# Get Institutional Holdings
- Python
- Proto
- C#
- Java
- C++
- JavaScript
get_shareholders_institutional(code, next_key=None, num=None)
Description
Get the institutional holding count and share quantity history for a stock, with pagination support
Parameters
Parameter Type Description code str Stock code e.g. US.AAPL; supports HK stocks, US stocks, and fundsnext_key str Pagination key Leave empty for the first request; pass the next_key returned from the previous response for subsequent pages; "-1" means no more datanum int Items per page Default 10, range 1~50Return
Parameter Type Description ret RET_CODE API call result data pd.DataFrame When ret == RET_OK, returns institutional holdings DataFrame str When ret != RET_OK, returns error description DataFrame field description:
Field Type Description period_text str Reporting period e.g. "2026/Q1"institution_quantity int Number of institutions Unit: institution countinstitution_quantity_change int Institution count change Positive means increase, negative means decreaseholder_quantity int Total shares held Unit: sharesholder_quantity_change int Share count change Unit: shares; positive means added, negative means reducedholder_pct float Holding percentage Value before the percent sign, e.g. 12.34 means 12.34%holder_pct_change float Holding percentage change Value before the percent sign, e.g. 12.34 means a change of 12.34%; negative means decreaseupdate_time_str str Data update time Format YYYY-MM-DD HH:MM:SS, in the corresponding market timezonenext_key str Pagination key "-1" means no more data; pass as-is in next_key for subsequent requests
Example
from futu import *
quote_ctx = OpenQuoteContext(host='127.0.0.1', port=11111)
ret, data = quote_ctx.get_shareholders_institutional("HK.00700")
if ret == RET_OK:
print(data[['period_text', 'institution_quantity', 'holder_quantity', 'holder_pct']].to_string(index=False))
print('next_key:', data.attrs.get('next_key', '-1'))
else:
print('error:', data)
quote_ctx.close()
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- Output
period_text institution_quantity holder_quantity holder_pct
2026/Q1 863 4192178205 46.474
2025/Q4 873 4195284653 46.444
2025/Q3 854 4219387239 46.614
2025/Q2 839 4254708217 46.881
2025/Q1 809 4236696253 46.491
2024/Q4 808 4331865949 47.431
2024/Q3 803 4404605110 47.919
2024/Q2 846 4438538978 47.926
2024/Q1 824 4484844061 48.055
2023/Q4 857 4472729401 47.717
next_key: -1
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# Qot_GetShareholdersInstitutional.proto
Description
Get institutional holdings
Parameters
message C2S
{
required Qot_Common.Security security = 1;
optional string nextKey = 2; // Pagination key; leave empty for first request; pass nextKey from last response for subsequent pages; "-1" means no more data
optional int32 num = 3; // Number of items per page, default 10, range 1~50
}
message Request
{
required C2S c2s = 1;
}
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- Security structure, see Security
- Return
message InstitutionHolderItem
{
optional string periodText = 1; // Reporting period, e.g. "2025/Q3"
optional int64 institutionQuantity = 2; // Number of institutional holders
optional int64 institutionQuantityChange = 3; // Change in number of institutional holders
optional int64 holderQuantity = 4; // Total shares held by institutions (shares)
optional int64 holderQuantityChange = 5; // Change in total shares held
optional double holderPct = 6; // Holding percentage (%), e.g. 12.34 means 12.34%
optional double holderPctChange = 7; // Change in holding percentage (%), e.g. 12.34 means a change of 12.34%
}
message S2C
{
optional uint64 updateTime = 1; // Data update timestamp (seconds)
optional string updateTimeStr = 2; // Data update time string, format YYYY-MM-DD HH:MM:SS, in the corresponding market timezone
optional string nextKey = 3; // Pagination key; "-1" means no more data
repeated InstitutionHolderItem itemList = 4;
}
message Response
{
required int32 retType = 1 [default = -400]; // Return result, see Common.RetType
optional string retMsg = 2; // Return result description
optional int32 errCode = 3; // Error code
optional S2C s2c = 4;
}
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- API call result, see RetType
Protocol ID
3240
uint GetShareholdersInstitutional(QotGetShareholdersInstitutional.Request req);
virtual void OnReply_GetShareholdersInstitutional(FTAPI_Conn client, uint nSerialNo, QotGetShareholdersInstitutional.Response rsp);
Description
Get institutional holdings
Parameters
message C2S
{
required Qot_Common.Security security = 1;
optional string nextKey = 2; // Pagination key; leave empty for first request; pass nextKey from last response for subsequent pages; "-1" means no more data
optional int32 num = 3; // Number of items per page, default 10, range 1~50
}
message Request
{
required C2S c2s = 1;
}
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- Security structure, see Security
- Return
message InstitutionHolderItem
{
optional string periodText = 1; // Reporting period, e.g. "2025/Q3"
optional int64 institutionQuantity = 2; // Number of institutional holders
optional int64 institutionQuantityChange = 3; // Change in number of institutional holders
optional int64 holderQuantity = 4; // Total shares held by institutions (shares)
optional int64 holderQuantityChange = 5; // Change in total shares held
optional double holderPct = 6; // Holding percentage (%), e.g. 12.34 means 12.34%
optional double holderPctChange = 7; // Change in holding percentage (%), e.g. 12.34 means a change of 12.34%
}
message S2C
{
optional uint64 updateTime = 1; // Data update timestamp (seconds)
optional string updateTimeStr = 2; // Data update time string, format YYYY-MM-DD HH:MM:SS, in the corresponding market timezone
optional string nextKey = 3; // Pagination key; "-1" means no more data
repeated InstitutionHolderItem itemList = 4;
}
message Response
{
required int32 retType = 1 [default = -400]; // Return result, see Common.RetType
optional string retMsg = 2; // Return result description
optional int32 errCode = 3; // Error code
optional S2C s2c = 4;
}
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- API call result, see RetType
- Example
public class Program : FTSPI_Qot, FTSPI_Conn
{
FTAPI_Qot qot = new FTAPI_Qot();
public Program()
{
qot.SetClientInfo("csharp", 1);
qot.SetConnCallback(this);
qot.SetQotCallback(this);
}
public void Start()
{
qot.InitConnect("127.0.0.1", (ushort)11111, false);
}
public void OnInitConnect(FTAPI_Conn client, long errCode, String desc)
{
Console.Write("Qot onInitConnect: ret={0} desc={1} connID={2}\n", errCode, desc, client.GetConnectID());
if (errCode != 0)
return;
QotCommon.Security sec = QotCommon.Security.CreateBuilder()
.SetMarket((int)QotCommon.QotMarket.QotMarket_HK_Security)
.SetCode("00700")
.Build();
QotGetShareholdersInstitutional.C2S c2s = QotGetShareholdersInstitutional.C2S.CreateBuilder()
.SetSecurity(sec)
.Build();
QotGetShareholdersInstitutional.Request req = QotGetShareholdersInstitutional.Request.CreateBuilder().SetC2S(c2s).Build();
uint seqNo = qot.GetShareholdersInstitutional(req);
Console.Write("Send QotGetShareholdersInstitutional: {0}\n", seqNo);
}
public void OnDisconnect(FTAPI_Conn client, long errCode)
{
Console.Write("Qot onDisConnect: {0}\n", errCode);
}
public void OnReply_GetShareholdersInstitutional(FTAPI_Conn client, uint nSerialNo, QotGetShareholdersInstitutional.Response rsp)
{
Console.Write("Reply: QotGetShareholdersInstitutional: {0} {1}\n", nSerialNo, rsp.ToString());
}
public static void Main(String[] args)
{
FTAPI.Init();
Program qot = new Program();
qot.Start();
while (true)
Thread.Sleep(1000 * 600);
}
}
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- Output
sent seqNo=3
retType: 0
retMsg: ""
errCode: 0
s2c {
updateTime: 1778414881
updateTimeStr: "2026-05-10 20:08:01"
nextKey: "1696089599"
itemList {
periodText: "2026/Q1"
institutionQuantity: 864
institutionQuantityChange: -9
holderQuantity: 4190299486
holderQuantityChange: -3883834
holderPct: 46.453
holderPctChange: 0.021
}
itemList {
//...
}
}
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int getShareholdersInstitutional(QotGetShareholdersInstitutional.Request req);
void onReply_GetShareholdersInstitutional(FTAPI_Conn client, int nSerialNo, QotGetShareholdersInstitutional.Response rsp);
Description
Get institutional holdings
Parameters
message C2S
{
required Qot_Common.Security security = 1;
optional string nextKey = 2; // Pagination key; leave empty for first request; pass nextKey from last response for subsequent pages; "-1" means no more data
optional int32 num = 3; // Number of items per page, default 10, range 1~50
}
message Request
{
required C2S c2s = 1;
}
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- Security structure, see Security
- Return
message InstitutionHolderItem
{
optional string periodText = 1; // Reporting period, e.g. "2025/Q3"
optional int64 institutionQuantity = 2; // Number of institutional holders
optional int64 institutionQuantityChange = 3; // Change in number of institutional holders
optional int64 holderQuantity = 4; // Total shares held by institutions (shares)
optional int64 holderQuantityChange = 5; // Change in total shares held
optional double holderPct = 6; // Holding percentage (%), e.g. 12.34 means 12.34%
optional double holderPctChange = 7; // Change in holding percentage (%), e.g. 12.34 means a change of 12.34%
}
message S2C
{
optional uint64 updateTime = 1; // Data update timestamp (seconds)
optional string updateTimeStr = 2; // Data update time string, format YYYY-MM-DD HH:MM:SS, in the corresponding market timezone
optional string nextKey = 3; // Pagination key; "-1" means no more data
repeated InstitutionHolderItem itemList = 4;
}
message Response
{
required int32 retType = 1 [default = -400]; // Return result, see Common.RetType
optional string retMsg = 2; // Return result description
optional int32 errCode = 3; // Error code
optional S2C s2c = 4;
}
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- API call result, see RetType
- Example
public class QotDemo implements FTSPI_Qot, FTSPI_Conn {
FTAPI_Conn_Qot qot = new FTAPI_Conn_Qot();
public QotDemo() {
qot.setClientInfo("javaclient", 1);
qot.setConnSpi(this);
qot.setQotSpi(this);
}
public void start() {
qot.initConnect("127.0.0.1", (short)11111, false);
}
@Override
public void onInitConnect(FTAPI_Conn client, long errCode, String desc)
{
System.out.printf("Qot onInitConnect: ret=%b desc=%s connID=%d\n", errCode, desc, client.getConnectID());
if (errCode != 0)
return;
QotCommon.Security sec = QotCommon.Security.newBuilder()
.setMarket(QotCommon.QotMarket.QotMarket_HK_Security_VALUE)
.setCode("00700")
.build();
QotGetShareholdersInstitutional.C2S c2s = QotGetShareholdersInstitutional.C2S.newBuilder()
.setSecurity(sec)
.build();
QotGetShareholdersInstitutional.Request req = QotGetShareholdersInstitutional.Request.newBuilder().setC2S(c2s).build();
int seqNo = qot.getShareholdersInstitutional(req);
System.out.printf("Send QotGetShareholdersInstitutional: %d\n", seqNo);
}
@Override
public void onDisconnect(FTAPI_Conn client, long errCode) {
System.out.printf("Qot onDisConnect: %d\n", errCode);
}
@Override
public void onReply_GetShareholdersInstitutional(FTAPI_Conn client, int nSerialNo, QotGetShareholdersInstitutional.Response rsp) {
if (rsp.getRetType() != 0) {
System.out.printf("QotGetShareholdersInstitutional failed: %s\n", rsp.getRetMsg());
}
else {
try {
String json = JsonFormat.printer().print(rsp);
System.out.printf("Receive QotGetShareholdersInstitutional: %s\n", json);
} catch (InvalidProtocolBufferException e) {
e.printStackTrace();
}
}
}
public static void main(String[] args) {
FTAPI.init();
QotDemo qot = new QotDemo();
qot.start();
while (true) {
try {
Thread.sleep(1000 * 600);
} catch (InterruptedException exc) {
}
}
}
}
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- Output
Qot onInitConnect: ret=0 desc= connID=7459212653227655938
Send Qot_GetShareholdersInstitutional: 2
Receive Qot_GetShareholdersInstitutional: retType: 0
retMsg: ""
errCode: 0
s2c {
updateTime: 1778414882
updateTimeStr: "2026-05-10 20:08:02"
nextKey: "1696089599"
itemList {
periodText: "2026/Q1"
institutionQuantity: 864
institutionQuantityChange: -9
holderQuantity: 4190299486
holderQuantityChange: -3883834
holderPct: 46.453
holderPctChange: 0.021
}
itemList {
//...
}
}
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Futu::u32_t GetShareholdersInstitutional(const Qot_GetShareholdersInstitutional::Request &stReq);
virtual void OnReply_GetShareholdersInstitutional(Futu::u32_t nSerialNo, const Qot_GetShareholdersInstitutional::Response &stRsp) = 0;
Description
Get institutional holdings
Parameters
message C2S
{
required Qot_Common.Security security = 1;
optional string nextKey = 2; // Pagination key; leave empty for first request; pass nextKey from last response for subsequent pages; "-1" means no more data
optional int32 num = 3; // Number of items per page, default 10, range 1~50
}
message Request
{
required C2S c2s = 1;
}
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- Security structure, see Security
- Return
message InstitutionHolderItem
{
optional string periodText = 1; // Reporting period, e.g. "2025/Q3"
optional int64 institutionQuantity = 2; // Number of institutional holders
optional int64 institutionQuantityChange = 3; // Change in number of institutional holders
optional int64 holderQuantity = 4; // Total shares held by institutions (shares)
optional int64 holderQuantityChange = 5; // Change in total shares held
optional double holderPct = 6; // Holding percentage (%), e.g. 12.34 means 12.34%
optional double holderPctChange = 7; // Change in holding percentage (%), e.g. 12.34 means a change of 12.34%
}
message S2C
{
optional uint64 updateTime = 1; // Data update timestamp (seconds)
optional string updateTimeStr = 2; // Data update time string, format YYYY-MM-DD HH:MM:SS, in the corresponding market timezone
optional string nextKey = 3; // Pagination key; "-1" means no more data
repeated InstitutionHolderItem itemList = 4;
}
message Response
{
required int32 retType = 1 [default = -400]; // Return result, see Common.RetType
optional string retMsg = 2; // Return result description
optional int32 errCode = 3; // Error code
optional S2C s2c = 4;
}
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- API call result, see RetType
- Example
class Program : public FTSPI_Qot, public FTSPI_Trd, public FTSPI_Conn
{
public:
Program() {
m_pQotApi = FTAPI::CreateQotApi();
m_pQotApi->RegisterQotSpi(this);
m_pQotApi->RegisterConnSpi(this);
}
~Program() {
if (m_pQotApi != nullptr)
{
m_pQotApi->UnregisterQotSpi();
m_pQotApi->UnregisterConnSpi();
FTAPI::ReleaseQotApi(m_pQotApi);
m_pQotApi = nullptr;
}
}
void Start() {
m_pQotApi->InitConnect("127.0.0.1", 11111, false);
}
virtual void OnInitConnect(FTAPI_Conn* pConn, Futu::i64_t nErrCode, const char* strDesc) {
cout << "connect" << endl;
// construct request message
Qot_GetShareholdersInstitutional::Request req;
Qot_GetShareholdersInstitutional::C2S *c2s = req.mutable_c2s();
Qot_Common::Security *sec = c2s->mutable_security();
sec->set_code("00700");
sec->set_market(Qot_Common::QotMarket::QotMarket_HK_Security);
m_pQotApi->GetShareholdersInstitutional(req);
cout << "GetShareholdersInstitutional" << endl;
}
virtual void OnReply_GetShareholdersInstitutional(Futu::u32_t nSerialNo, const Qot_GetShareholdersInstitutional::Response &stRsp){
cout << "OnReply_GetShareholdersInstitutional:" << endl;
// print response
// ProtoBufToBodyData and UTF8ToLocal refer to tool.h in Samples
string resp_str;
ProtoBufToBodyData(stRsp, resp_str);
cout << UTF8ToLocal(resp_str) << endl;
}
protected:
FTAPI_Qot *m_pQotApi;
};
int32_t main(int32_t argc, char** argv)
{
FTAPI::Init();
{
Program program;
program.Start();
getchar();
}
protobuf::ShutdownProtobufLibrary();
FTAPI::UnInit();
return 0;
}
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- Output
onInitConnect: ret=0 desc=Succeed!
Send Qot_GetShareholdersInstitutional seqNo=3
retType: 0
retMsg: ""
errCode: 0
s2c {
updateTime: 1778414880
updateTimeStr: "2026-05-10 20:08:00"
nextKey: "1696089599"
itemList {
periodText: "2026/Q1"
institutionQuantity: 864
institutionQuantityChange: -9
holderQuantity: 4190299486
holderQuantityChange: -3883834
holderPct: 46.453
holderPctChange: 0.021
}
itemList {
//...
}
}
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GetShareholdersInstitutional(req);
Description
Get institutional holdings
Parameters
message C2S
{
required Qot_Common.Security security = 1;
optional string nextKey = 2; // Pagination key; leave empty for first request; pass nextKey from last response for subsequent pages; "-1" means no more data
optional int32 num = 3; // Number of items per page, default 10, range 1~50
}
message Request
{
required C2S c2s = 1;
}
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- Security structure, see Security
- Return
message InstitutionHolderItem
{
optional string periodText = 1; // Reporting period, e.g. "2025/Q3"
optional int64 institutionQuantity = 2; // Number of institutional holders
optional int64 institutionQuantityChange = 3; // Change in number of institutional holders
optional int64 holderQuantity = 4; // Total shares held by institutions (shares)
optional int64 holderQuantityChange = 5; // Change in total shares held
optional double holderPct = 6; // Holding percentage (%), e.g. 12.34 means 12.34%
optional double holderPctChange = 7; // Change in holding percentage (%), e.g. 12.34 means a change of 12.34%
}
message S2C
{
optional uint64 updateTime = 1; // Data update timestamp (seconds)
optional string updateTimeStr = 2; // Data update time string, format YYYY-MM-DD HH:MM:SS, in the corresponding market timezone
optional string nextKey = 3; // Pagination key; "-1" means no more data
repeated InstitutionHolderItem itemList = 4;
}
message Response
{
required int32 retType = 1 [default = -400]; // Return result, see Common.RetType
optional string retMsg = 2; // Return result description
optional int32 errCode = 3; // Error code
optional S2C s2c = 4;
}
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- API call result, see RetType
- Example
import ftWebsocket from "futu-api";
import { Common, Qot_Common } from "futu-api/proto";
import beautify from "js-beautify";
function QotGetShareholdersInstitutional(){
const { RetType } = Common
const { QotMarket } = Qot_Common
let [addr, port, enable_ssl, key] = ["127.0.0.1", 33333, false, '7522027ccf5a06b1'];
let websocket = new ftWebsocket();
websocket.onlogin = (ret, msg)=>{
if (ret) {
const req = {
c2s: {
security: {
market: QotMarket.QotMarket_HK_Security,
code: "00700",
},
},
};
websocket.GetShareholdersInstitutional(req)
.then((res) => {
let { errCode, retMsg, retType,s2c } = res
console.log("GetShareholdersInstitutional: errCode %d, retMsg %s, retType %d", errCode, retMsg, retType);
if(retType == RetType.RetType_Succeed){
let data = beautify(JSON.stringify(s2c), {
indent_size: 2,
space_in_empty_paren: true,
});
console.log(data);
}
})
.catch((error) => {
console.log("error:", error);
});
} else {
console.log("error", msg);
}
};
websocket.start(addr, port, enable_ssl, key);
setTimeout(()=>{
websocket.stop();
console.log("stop");
}, 5000);
}
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- Output
GetShareholdersInstitutional: errCode 0, retMsg , retType 0
{
"updateTime": "1778429032",
"updateTimeStr": "2026-05-11 00:03:52",
"nextKey": "1696089599",
"itemList": [{
"periodText": "2026/Q1",
"institutionQuantity": "864",
"institutionQuantityChange": "-9",
"holderQuantity": "4190299486",
"holderQuantityChange": "-3883834",
"holderPct": 46.453,
"holderPctChange": 0.021
//...
}]
}
stop
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API Limits
- Maximum 30 requests per 30 seconds.
- Supports HK stocks, US stocks, and funds.
- Supports pagination; default 10 items per page; pagination key is a string type.
- Python
- Proto
- C#
- Java
- C++
- JavaScript
get_shareholders_institutional(code, next_key=None, num=None)
Description
Get the institutional holding count and share quantity history for a stock, with pagination support
Parameters
Parameter Type Description code str Stock code e.g. US.AAPL; supports HK stocks, US stocks, and fundsnext_key str Pagination key Leave empty for the first request; pass the next_key returned from the previous response for subsequent pages; "-1" means no more datanum int Items per page Default 10, range 1~50Return
Parameter Type Description ret RET_CODE API call result data pd.DataFrame When ret == RET_OK, returns institutional holdings DataFrame str When ret != RET_OK, returns error description DataFrame field description:
Field Type Description period_text str Reporting period e.g. "2026/Q1"institution_quantity int Number of institutions Unit: institution countinstitution_quantity_change int Institution count change Positive means increase, negative means decreaseholder_quantity int Total shares held Unit: sharesholder_quantity_change int Share count change Unit: shares; positive means added, negative means reducedholder_pct float Holding percentage Value before the percent sign, e.g. 12.34 means 12.34%holder_pct_change float Holding percentage change Value before the percent sign, e.g. 12.34 means a change of 12.34%; negative means decreaseupdate_time_str str Data update time Format YYYY-MM-DD HH:MM:SS, in the corresponding market timezonenext_key str Pagination key "-1" means no more data; pass as-is in next_key for subsequent requests
Example
from moomoo import *
quote_ctx = OpenQuoteContext(host='127.0.0.1', port=11111)
ret, data = quote_ctx.get_shareholders_institutional("HK.00700")
if ret == RET_OK:
print(data[['period_text', 'institution_quantity', 'holder_quantity', 'holder_pct']].to_string(index=False))
print('next_key:', data.attrs.get('next_key', '-1'))
else:
print('error:', data)
quote_ctx.close()
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- Output
period_text institution_quantity holder_quantity holder_pct
2026/Q1 863 4192178205 46.474
2025/Q4 873 4195284653 46.444
2025/Q3 854 4219387239 46.614
2025/Q2 839 4254708217 46.881
2025/Q1 809 4236696253 46.491
2024/Q4 808 4331865949 47.431
2024/Q3 803 4404605110 47.919
2024/Q2 846 4438538978 47.926
2024/Q1 824 4484844061 48.055
2023/Q4 857 4472729401 47.717
next_key: -1
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# Qot_GetShareholdersInstitutional.proto
Description
Get institutional holdings
Parameters
message C2S
{
required Qot_Common.Security security = 1;
optional string nextKey = 2; // Pagination key; leave empty for first request; pass nextKey from last response for subsequent pages; "-1" means no more data
optional int32 num = 3; // Number of items per page, default 10, range 1~50
}
message Request
{
required C2S c2s = 1;
}
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- Security structure, see Security
- Return
message InstitutionHolderItem
{
optional string periodText = 1; // Reporting period, e.g. "2025/Q3"
optional int64 institutionQuantity = 2; // Number of institutional holders
optional int64 institutionQuantityChange = 3; // Change in number of institutional holders
optional int64 holderQuantity = 4; // Total shares held by institutions (shares)
optional int64 holderQuantityChange = 5; // Change in total shares held
optional double holderPct = 6; // Holding percentage (%), e.g. 12.34 means 12.34%
optional double holderPctChange = 7; // Change in holding percentage (%), e.g. 12.34 means a change of 12.34%
}
message S2C
{
optional uint64 updateTime = 1; // Data update timestamp (seconds)
optional string updateTimeStr = 2; // Data update time string, format YYYY-MM-DD HH:MM:SS, in the corresponding market timezone
optional string nextKey = 3; // Pagination key; "-1" means no more data
repeated InstitutionHolderItem itemList = 4;
}
message Response
{
required int32 retType = 1 [default = -400]; // Return result, see Common.RetType
optional string retMsg = 2; // Return result description
optional int32 errCode = 3; // Error code
optional S2C s2c = 4;
}
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- API call result, see RetType
Protocol ID
3240
uint GetShareholdersInstitutional(QotGetShareholdersInstitutional.Request req);
virtual void OnReply_GetShareholdersInstitutional(MMAPI_Conn client, uint nSerialNo, QotGetShareholdersInstitutional.Response rsp);
Description
Get institutional holdings
Parameters
message C2S
{
required Qot_Common.Security security = 1;
optional string nextKey = 2; // Pagination key; leave empty for first request; pass nextKey from last response for subsequent pages; "-1" means no more data
optional int32 num = 3; // Number of items per page, default 10, range 1~50
}
message Request
{
required C2S c2s = 1;
}
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- Security structure, see Security
- Return
message InstitutionHolderItem
{
optional string periodText = 1; // Reporting period, e.g. "2025/Q3"
optional int64 institutionQuantity = 2; // Number of institutional holders
optional int64 institutionQuantityChange = 3; // Change in number of institutional holders
optional int64 holderQuantity = 4; // Total shares held by institutions (shares)
optional int64 holderQuantityChange = 5; // Change in total shares held
optional double holderPct = 6; // Holding percentage (%), e.g. 12.34 means 12.34%
optional double holderPctChange = 7; // Change in holding percentage (%), e.g. 12.34 means a change of 12.34%
}
message S2C
{
optional uint64 updateTime = 1; // Data update timestamp (seconds)
optional string updateTimeStr = 2; // Data update time string, format YYYY-MM-DD HH:MM:SS, in the corresponding market timezone
optional string nextKey = 3; // Pagination key; "-1" means no more data
repeated InstitutionHolderItem itemList = 4;
}
message Response
{
required int32 retType = 1 [default = -400]; // Return result, see Common.RetType
optional string retMsg = 2; // Return result description
optional int32 errCode = 3; // Error code
optional S2C s2c = 4;
}
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- API call result, see RetType
- Example
public class Program : MMSPI_Qot, MMSPI_Conn
{
MMAPI_Qot qot = new MMAPI_Qot();
public Program()
{
qot.SetClientInfo("csharp", 1);
qot.SetConnCallback(this);
qot.SetQotCallback(this);
}
public void Start()
{
qot.InitConnect("127.0.0.1", (ushort)11111, false);
}
public void OnInitConnect(MMAPI_Conn client, long errCode, String desc)
{
Console.Write("Qot onInitConnect: ret={0} desc={1} connID={2}\n", errCode, desc, client.GetConnectID());
if (errCode != 0)
return;
QotCommon.Security sec = QotCommon.Security.CreateBuilder()
.SetMarket((int)QotCommon.QotMarket.QotMarket_HK_Security)
.SetCode("00700")
.Build();
QotGetShareholdersInstitutional.C2S c2s = QotGetShareholdersInstitutional.C2S.CreateBuilder()
.SetSecurity(sec)
.Build();
QotGetShareholdersInstitutional.Request req = QotGetShareholdersInstitutional.Request.CreateBuilder().SetC2S(c2s).Build();
uint seqNo = qot.GetShareholdersInstitutional(req);
Console.Write("Send QotGetShareholdersInstitutional: {0}\n", seqNo);
}
public void OnDisconnect(MMAPI_Conn client, long errCode)
{
Console.Write("Qot onDisConnect: {0}\n", errCode);
}
public void OnReply_GetShareholdersInstitutional(MMAPI_Conn client, uint nSerialNo, QotGetShareholdersInstitutional.Response rsp)
{
Console.Write("Reply: QotGetShareholdersInstitutional: {0} {1}\n", nSerialNo, rsp.ToString());
}
public static void Main(String[] args)
{
MMAPI.Init();
Program qot = new Program();
qot.Start();
while (true)
Thread.Sleep(1000 * 600);
}
}
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- Output
sent seqNo=3
retType: 0
retMsg: ""
errCode: 0
s2c {
updateTime: 1778414881
updateTimeStr: "2026-05-10 20:08:01"
nextKey: "1696089599"
itemList {
periodText: "2026/Q1"
institutionQuantity: 864
institutionQuantityChange: -9
holderQuantity: 4190299486
holderQuantityChange: -3883834
holderPct: 46.453
holderPctChange: 0.021
}
itemList {
//...
}
}
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int getShareholdersInstitutional(QotGetShareholdersInstitutional.Request req);
void onReply_GetShareholdersInstitutional(MMAPI_Conn client, int nSerialNo, QotGetShareholdersInstitutional.Response rsp);
Description
Get institutional holdings
Parameters
message C2S
{
required Qot_Common.Security security = 1;
optional string nextKey = 2; // Pagination key; leave empty for first request; pass nextKey from last response for subsequent pages; "-1" means no more data
optional int32 num = 3; // Number of items per page, default 10, range 1~50
}
message Request
{
required C2S c2s = 1;
}
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- Security structure, see Security
- Return
message InstitutionHolderItem
{
optional string periodText = 1; // Reporting period, e.g. "2025/Q3"
optional int64 institutionQuantity = 2; // Number of institutional holders
optional int64 institutionQuantityChange = 3; // Change in number of institutional holders
optional int64 holderQuantity = 4; // Total shares held by institutions (shares)
optional int64 holderQuantityChange = 5; // Change in total shares held
optional double holderPct = 6; // Holding percentage (%), e.g. 12.34 means 12.34%
optional double holderPctChange = 7; // Change in holding percentage (%), e.g. 12.34 means a change of 12.34%
}
message S2C
{
optional uint64 updateTime = 1; // Data update timestamp (seconds)
optional string updateTimeStr = 2; // Data update time string, format YYYY-MM-DD HH:MM:SS, in the corresponding market timezone
optional string nextKey = 3; // Pagination key; "-1" means no more data
repeated InstitutionHolderItem itemList = 4;
}
message Response
{
required int32 retType = 1 [default = -400]; // Return result, see Common.RetType
optional string retMsg = 2; // Return result description
optional int32 errCode = 3; // Error code
optional S2C s2c = 4;
}
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- API call result, see RetType
- Example
public class QotDemo implements MMSPI_Qot, MMSPI_Conn {
MMAPI_Conn_Qot qot = new MMAPI_Conn_Qot();
public QotDemo() {
qot.setClientInfo("javaclient", 1);
qot.setConnSpi(this);
qot.setQotSpi(this);
}
public void start() {
qot.initConnect("127.0.0.1", (short)11111, false);
}
@Override
public void onInitConnect(MMAPI_Conn client, long errCode, String desc)
{
System.out.printf("Qot onInitConnect: ret=%b desc=%s connID=%d\n", errCode, desc, client.getConnectID());
if (errCode != 0)
return;
QotCommon.Security sec = QotCommon.Security.newBuilder()
.setMarket(QotCommon.QotMarket.QotMarket_HK_Security_VALUE)
.setCode("00700")
.build();
QotGetShareholdersInstitutional.C2S c2s = QotGetShareholdersInstitutional.C2S.newBuilder()
.setSecurity(sec)
.build();
QotGetShareholdersInstitutional.Request req = QotGetShareholdersInstitutional.Request.newBuilder().setC2S(c2s).build();
int seqNo = qot.getShareholdersInstitutional(req);
System.out.printf("Send QotGetShareholdersInstitutional: %d\n", seqNo);
}
@Override
public void onDisconnect(MMAPI_Conn client, long errCode) {
System.out.printf("Qot onDisConnect: %d\n", errCode);
}
@Override
public void onReply_GetShareholdersInstitutional(MMAPI_Conn client, int nSerialNo, QotGetShareholdersInstitutional.Response rsp) {
if (rsp.getRetType() != 0) {
System.out.printf("QotGetShareholdersInstitutional failed: %s\n", rsp.getRetMsg());
}
else {
try {
String json = JsonFormat.printer().print(rsp);
System.out.printf("Receive QotGetShareholdersInstitutional: %s\n", json);
} catch (InvalidProtocolBufferException e) {
e.printStackTrace();
}
}
}
public static void main(String[] args) {
MMAPI.init();
QotDemo qot = new QotDemo();
qot.start();
while (true) {
try {
Thread.sleep(1000 * 600);
} catch (InterruptedException exc) {
}
}
}
}
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- Output
Qot onInitConnect: ret=0 desc= connID=7459212653227655938
Send Qot_GetShareholdersInstitutional: 2
Receive Qot_GetShareholdersInstitutional: retType: 0
retMsg: ""
errCode: 0
s2c {
updateTime: 1778414882
updateTimeStr: "2026-05-10 20:08:02"
nextKey: "1696089599"
itemList {
periodText: "2026/Q1"
institutionQuantity: 864
institutionQuantityChange: -9
holderQuantity: 4190299486
holderQuantityChange: -3883834
holderPct: 46.453
holderPctChange: 0.021
}
itemList {
//...
}
}
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moomoo::u32_t GetShareholdersInstitutional(const Qot_GetShareholdersInstitutional::Request &stReq);
virtual void OnReply_GetShareholdersInstitutional(moomoo::u32_t nSerialNo, const Qot_GetShareholdersInstitutional::Response &stRsp) = 0;
Description
Get institutional holdings
Parameters
message C2S
{
required Qot_Common.Security security = 1;
optional string nextKey = 2; // Pagination key; leave empty for first request; pass nextKey from last response for subsequent pages; "-1" means no more data
optional int32 num = 3; // Number of items per page, default 10, range 1~50
}
message Request
{
required C2S c2s = 1;
}
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- Security structure, see Security
- Return
message InstitutionHolderItem
{
optional string periodText = 1; // Reporting period, e.g. "2025/Q3"
optional int64 institutionQuantity = 2; // Number of institutional holders
optional int64 institutionQuantityChange = 3; // Change in number of institutional holders
optional int64 holderQuantity = 4; // Total shares held by institutions (shares)
optional int64 holderQuantityChange = 5; // Change in total shares held
optional double holderPct = 6; // Holding percentage (%), e.g. 12.34 means 12.34%
optional double holderPctChange = 7; // Change in holding percentage (%), e.g. 12.34 means a change of 12.34%
}
message S2C
{
optional uint64 updateTime = 1; // Data update timestamp (seconds)
optional string updateTimeStr = 2; // Data update time string, format YYYY-MM-DD HH:MM:SS, in the corresponding market timezone
optional string nextKey = 3; // Pagination key; "-1" means no more data
repeated InstitutionHolderItem itemList = 4;
}
message Response
{
required int32 retType = 1 [default = -400]; // Return result, see Common.RetType
optional string retMsg = 2; // Return result description
optional int32 errCode = 3; // Error code
optional S2C s2c = 4;
}
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- API call result, see RetType
- Example
class Program : public MMSPI_Qot, public MMSPI_Trd, public MMSPI_Conn
{
public:
Program() {
m_pQotApi = MMAPI::CreateQotApi();
m_pQotApi->RegisterQotSpi(this);
m_pQotApi->RegisterConnSpi(this);
}
~Program() {
if (m_pQotApi != nullptr)
{
m_pQotApi->UnregisterQotSpi();
m_pQotApi->UnregisterConnSpi();
MMAPI::ReleaseQotApi(m_pQotApi);
m_pQotApi = nullptr;
}
}
void Start() {
m_pQotApi->InitConnect("127.0.0.1", 11111, false);
}
virtual void OnInitConnect(MMAPI_Conn* pConn, moomoo::i64_t nErrCode, const char* strDesc) {
cout << "connect" << endl;
// construct request message
Qot_GetShareholdersInstitutional::Request req;
Qot_GetShareholdersInstitutional::C2S *c2s = req.mutable_c2s();
Qot_Common::Security *sec = c2s->mutable_security();
sec->set_code("00700");
sec->set_market(Qot_Common::QotMarket::QotMarket_HK_Security);
m_pQotApi->GetShareholdersInstitutional(req);
cout << "GetShareholdersInstitutional" << endl;
}
virtual void OnReply_GetShareholdersInstitutional(moomoo::u32_t nSerialNo, const Qot_GetShareholdersInstitutional::Response &stRsp){
cout << "OnReply_GetShareholdersInstitutional:" << endl;
// print response
// ProtoBufToBodyData and UTF8ToLocal refer to tool.h in Samples
string resp_str;
ProtoBufToBodyData(stRsp, resp_str);
cout << UTF8ToLocal(resp_str) << endl;
}
protected:
MMAPI_Qot *m_pQotApi;
};
int32_t main(int32_t argc, char** argv)
{
MMAPI::Init();
{
Program program;
program.Start();
getchar();
}
protobuf::ShutdownProtobufLibrary();
MMAPI::UnInit();
return 0;
}
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- Output
onInitConnect: ret=0 desc=Succeed!
Send Qot_GetShareholdersInstitutional seqNo=3
retType: 0
retMsg: ""
errCode: 0
s2c {
updateTime: 1778414880
updateTimeStr: "2026-05-10 20:08:00"
nextKey: "1696089599"
itemList {
periodText: "2026/Q1"
institutionQuantity: 864
institutionQuantityChange: -9
holderQuantity: 4190299486
holderQuantityChange: -3883834
holderPct: 46.453
holderPctChange: 0.021
}
itemList {
//...
}
}
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GetShareholdersInstitutional(req);
Description
Get institutional holdings
Parameters
message C2S
{
required Qot_Common.Security security = 1;
optional string nextKey = 2; // Pagination key; leave empty for first request; pass nextKey from last response for subsequent pages; "-1" means no more data
optional int32 num = 3; // Number of items per page, default 10, range 1~50
}
message Request
{
required C2S c2s = 1;
}
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- Security structure, see Security
- Return
message InstitutionHolderItem
{
optional string periodText = 1; // Reporting period, e.g. "2025/Q3"
optional int64 institutionQuantity = 2; // Number of institutional holders
optional int64 institutionQuantityChange = 3; // Change in number of institutional holders
optional int64 holderQuantity = 4; // Total shares held by institutions (shares)
optional int64 holderQuantityChange = 5; // Change in total shares held
optional double holderPct = 6; // Holding percentage (%), e.g. 12.34 means 12.34%
optional double holderPctChange = 7; // Change in holding percentage (%), e.g. 12.34 means a change of 12.34%
}
message S2C
{
optional uint64 updateTime = 1; // Data update timestamp (seconds)
optional string updateTimeStr = 2; // Data update time string, format YYYY-MM-DD HH:MM:SS, in the corresponding market timezone
optional string nextKey = 3; // Pagination key; "-1" means no more data
repeated InstitutionHolderItem itemList = 4;
}
message Response
{
required int32 retType = 1 [default = -400]; // Return result, see Common.RetType
optional string retMsg = 2; // Return result description
optional int32 errCode = 3; // Error code
optional S2C s2c = 4;
}
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- API call result, see RetType
- Example
import mmWebsocket from "moomoo-api";
import { Common, Qot_Common } from "moomoo-api/proto";
import beautify from "js-beautify";
function QotGetShareholdersInstitutional(){
const { RetType } = Common
const { QotMarket } = Qot_Common
let [addr, port, enable_ssl, key] = ["127.0.0.1", 33333, false, '7522027ccf5a06b1'];
let websocket = new mmWebsocket();
websocket.onlogin = (ret, msg)=>{
if (ret) {
const req = {
c2s: {
security: {
market: QotMarket.QotMarket_HK_Security,
code: "00700",
},
},
};
websocket.GetShareholdersInstitutional(req)
.then((res) => {
let { errCode, retMsg, retType,s2c } = res
console.log("GetShareholdersInstitutional: errCode %d, retMsg %s, retType %d", errCode, retMsg, retType);
if(retType == RetType.RetType_Succeed){
let data = beautify(JSON.stringify(s2c), {
indent_size: 2,
space_in_empty_paren: true,
});
console.log(data);
}
})
.catch((error) => {
console.log("error:", error);
});
} else {
console.log("error", msg);
}
};
websocket.start(addr, port, enable_ssl, key);
setTimeout(()=>{
websocket.stop();
console.log("stop");
}, 5000);
}
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- Output
GetShareholdersInstitutional: errCode 0, retMsg , retType 0
{
"updateTime": "1778429032",
"updateTimeStr": "2026-05-11 00:03:52",
"nextKey": "1696089599",
"itemList": [{
"periodText": "2026/Q1",
"institutionQuantity": "864",
"institutionQuantityChange": "-9",
"holderQuantity": "4190299486",
"holderQuantityChange": "-3883834",
"holderPct": 46.453,
"holderPctChange": 0.021
//...
}]
}
stop
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API Limits
- Maximum 30 requests per 30 seconds.
- Supports HK stocks, US stocks, and funds.
- Supports pagination; default 10 items per page; pagination key is a string type.