Get market-wide institution leaderboards
GET
/api/v1/public/intelligence/institutions/discovery10 credits / callAPI key required
Return two market-wide institution leaderboards in one call: topByAum (largest holders by assets under management, name-deduped) and mostActive (highest 13F position-change volume). No CIK required.
Parameters
Query
Max results per leaderboard section (default 10, max 50).
Code example
cURL
curl -X GET 'https://api.signal8.ai/api/v1/public/intelligence/institutions/discovery?limit=10' \
-H "X-Api-Key: $SIGNAL8_API_KEY"Request URL
GET
https://api.signal8.ai/api/v1/public/intelligence/institutions/discovery?limit=10example · 200
{
"success": true,
"data": {
"topByAum": [
{
"cik": "102909",
"name": "VANGUARD GROUP INC",
"urlSlug": "vanguard-group-inc",
"lastFiledAt": "2026-05-08T23:25:43.000Z",
"period": "2025-12-30T23:00:00.000Z",
"holdingsCount": 4329,
"totalAum": 6897676080637
},
{
"cik": "2012383",
"name": "BlackRock, Inc.",
"urlSlug": "blackrock-inc-2012383",
"lastFiledAt": "2026-05-13T22:52:46.000Z",
"period": "2026-03-30T22:00:00.000Z",
"holdingsCount": 5606,
"totalAum": 5699208581266
}
],
"mostActive": [
{
"cik": "1610520",
"name": "UBS Group AG",
"urlSlug": "ubs-group-ag",
"lastFiledAt": "2026-05-05T19:54:09.000Z",
"period": "2026-03-30T22:00:00.000Z",
"positionChanges": {
"newPositions": 1304,
"increasedPositions": 4423,
"decreasedPositions": 3197,
"exitedPositions": 1277,
"total": 10201
}
},
{
"cik": "895421",
"name": "MORGAN STANLEY",
"urlSlug": "morgan-stanley",
"lastFiledAt": "2026-05-28T00:34:13.000Z",
"period": "2026-03-30T22:00:00.000Z",
"positionChanges": {
"newPositions": 527,
"increasedPositions": 3463,
"decreasedPositions": 3481,
"exitedPositions": 436,
"total": 7907
}
}
]
}
}