List institutional holdings
Retrieve institutional investment holdings from SEC Form 13F filings.
Data Source
Form 13F is a quarterly report filed by institutional investment managers with at least $100 million in assets under management. These filings reveal the equity holdings of major investors including hedge funds, mutual funds, pension funds, and other institutional investors.
Understanding 13F Data
What's Included
- Equity securities listed on US exchanges
- Options (put/call positions) on such securities
- Convertible debt that is convertible into equity
What's NOT Included
- Foreign securities (unless ADRs)
- Fixed income securities
- Privately held investments
- Short positions (13F only reports long positions)
Key Fields
| Field | Description |
|---|---|
| cusip | 9-character security identifier (first 6 = issuer, 7-8 = issue, 9 = check digit) |
| value | Market value in USD (as reported, typically in thousands) |
| shares | Number of shares held |
| sharesType | SH = Shares, PRN = Principal amount (for debt) |
| putCall | Put, Call, or null (for common stock) |
| investmentDiscretion | SOLE, DFND (defined/shared), or OTHER |
| votingSole/Shared/None | Breakdown of voting authority |
Filtering Strategies
Find All Holders of a Stock
?ticker=AAPL
?cusip=037833100
?companyCik=320193
Track a Specific Fund's Portfolio
?managerCik=1067983 # Berkshire Hathaway
?managerName=Bridgewater # Partial name match
Filter by Report Period
?reportPeriod=2024-09-30 # Exact quarter end
?startDate=2024-01-01&endDate=2024-12-31 # Date range
Find Large Positions
?minValue=1000000000 # Positions worth $1B+
?minShares=10000000 # Positions of 10M+ shares
Filter by Security Type
?putCall=put # Put options only
?putCall=call # Call options only
?putCall=equity # Common stock only (no options)
Report Period Timing
13F filings are due 45 days after quarter end:
- Q1 (Jan-Mar): Filed by May 15
- Q2 (Apr-Jun): Filed by Aug 14
- Q3 (Jul-Sep): Filed by Nov 14
- Q4 (Oct-Dec): Filed by Feb 14
Example Use Cases
- Track Warren Buffett's moves: Filter by managerCik=1067983 (Berkshire)
- Who owns Apple?: Filter by ticker=AAPL + minValue=1000000000
- Options activity: Filter by putCall=put or putCall=call
- New positions: Compare reportPeriod across quarters
- Sector analysis: Search by issuerName patterns
Notes
- Values are reported as of quarter end, not filing date
- Amendments (13F-HR/A) may update previously reported positions
- Some managers file confidential treatment requests to delay disclosure
Request
- Base URL: https://earningsfeed.com
- URL: https://earningsfeed.com/api/v1/institutional/holdings
- Auth: HTTP bearer
Query parameters
Number of items to return (1-100)
Cursor for pagination (opaque string from previous response)
Filter by institutional manager CIK
Search by manager name (partial match)
Filter by CUSIP to find all managers holding a specific security
Filter by company CIK to find institutional holders
Filter by stock ticker to find institutional holders
Search by issuer name (partial match)
Filter by specific quarter end date (YYYY-MM-DD). E.g., 2024-09-30 for Q3 2024
Filter filings on or after this date
Filter filings on or before this date
Minimum position value in USD
Minimum number of shares
Filter by position type: put options, call options, or equity only
Search across manager name, issuer name, or ticker
Response
Paginated list of institutional holdings
Example response
{
"items": [
{
"cusip": "037833100",
"issuerName": "APPLE INC",
"classTitle": "COM",
"companyCik": 320193,
"ticker": "AAPL",
"value": 69900000000,
"shares": 400000000,
"sharesType": "SH",
"investmentDiscretion": "SOLE",
"votingSole": 400000000,
"managerCik": 320193,
"filedAt": "2024-11-14T00:00:00.000Z"
}
]
}Changes
No recorded changes to this operation across all 1 revision of this API.