SEC filings & market structure

Institutional Holdings (13F)

Returns 13F holdings, quarterly snapshots of equity positions held by institutional investment managers with $100M+ AUM, filed with the SEC. Each record is one (fund, security, quarter) tuple.

EndpointGET /v1/institutional-holdings

SourceSEC Form 13F

Authx-api-key, a free key works

Live from the data

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What it returns

One record per result. Fields (from a live response):

Identity: issuer_name, fund_cik, position_change, fund_name
Subject: cusip, ticker
Dates: filing_date
The trade / event: verification_status
Amounts: market_value, shares_held, market_value_thousands, share_type, shares_change_pct, verification_value_expected, shares_change, verification_value_actual
Provenance: filing_url, data_source, accession_number
Details: investment_discretion, id, quarter, verification_expected, verification_actual

verification_status: VERIFIED means the filing matches its own totals (its rows add up to the row count and total value it declares) and passed the check for values filed in thousands. It is not a check against market prices: a filer's own consistent but wrong numbers still read VERIFIED. INSUFFICIENT_DATA means one of those checks failed or could not run.

Filters

ticker	Filter to holdings of one stock by US ticker, e.g. 'AAPL'. Case-insensitive.
cusip	Alternative to ticker, 9-character SEC CUSIP identifier. Useful when a security has multiple share classes with different tickers.
fund_name	Full or partial fund name; case-insensitive substring match. Examples: 'Berkshire', 'Bridgewater', 'Citadel'.
fund_cik	SEC CIK of the fund (10-digit, padded). Preferred over fund_name when known. Berkshire Hathaway = '0001067983'.
quarter	Period ending date in YYYY-MM-DD form (e.g. '2026-03-31'). Defaults to all quarters available in the database.
position_change	Filter to position-change type. Common queries: 'increased' for funds adding to a position, 'closed' for funds that exited.
min_value	Filter to positions with market_value >= this amount (USD). Use to focus on large positions.
sort_by	Field used for ordering. Default: market_value (largest positions first).
sort_order	Default: desc (largest first).
limit	Maximum records to return. Default 50, max 500.
cursor	Pass the `next_cursor` from the previous response VERBATIM to fetch the next page. Keep every other filter and the sort identical while paging. Omit to start from the top. A quarter of 13F filings runs to far more than 500 rows, so a complete picture requires paging.

Example request

curl "https://api.keyvex.com/v1/institutional-holdings?ticker=AAPL&limit=1" \
  -H "x-api-key: YOUR_KEY"

Response

{
  "results": [
    {
      "cusip": "67066G104",
      "market_value": 422736430797,
      "ticker": "NVDA",
      "shares_held": 2266683275,
      "filing_url": "https://www.sec.gov/Archives/edgar/data/102909/000010290926000031/13F_0000102909_20251231.xml",
      "filing_date": "2026-01-29",
      "market_value_thousands": 422736431,
      "data_source": "SEC_EDGAR_13F",
      "issuer_name": "NVIDIA CORPORATION",
      "accession_number": "0000102909-26-000031",
      "investment_discretion": "DFND",
      "share_type": "SH",
      "fund_cik": "0000102909",
      "shares_change_pct": null,
      "id": "13f-0000102909-67066G104-2025-12-31",
      "quarter": "2025-12-31",
      "verification_expected": 17686,
      "verification_value_expected": 6897676080637,
      "shares_change": null,
      "verification_status": "VERIFIED",
      "verification_value_actual": 6897676080637,
      "verification_actual": 17686,
      "position_change": null,
      "fund_name": "Vanguard Group"
    }
  ],
  "count": 1,
  "has_more": true
}

Example questions you can answer

Which funds hold the most of a given stock this quarter?
Track an institution's position changes across quarters.

Related datasets

Insider TransactionsSEC Form 4 / 5 insider buys and sells.Planned Insider SalesSEC Form 144 Activist Stakes (13D / 13G)SEC Schedule 13D / 13G Fund Filings (N-PORT)SEC Form N-PORT

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