Institutional ownership
Ownership API
Track who owns the security, not just who reported last quarter.
Query 13F filings, institutional holders, manager portfolios, 13D/13G beneficial ownership, and ownership comparisons from one family of endpoints.
Category
Ownership and governance
Grouped for navigation, not for access control.
Primary use
Investor workflow
Built around diligence, monitoring, and source-backed analysis.
Access
API key
Use the x-api-key header for authenticated requests.
Investor use cases
Where it earns its keep
- Monitor crowding and institutional ownership changes.
- Compare manager exposure across quarters.
- Track activist and passive beneficial ownership filings.
Workflow
How to use it without losing provenance
- Query by ticker or manager CIK, then compare periods or holders.
- Use filing dates and report dates separately when interpreting ownership timing.
Example request
Code
curl "https://api.secapi.ai/v1/owners/institutional/ticker?ticker=AAPL" \
-H "x-api-key: $SECAPI_API_KEY"Endpoints
/v1/owners/13f/v1/owners/13f/filings/v1/owners/13f/compare/v1/owners/institutional/ticker/v1/owners/13d-13gLimitations
What to check before relying on the output
- 13F is delayed and excludes many short, derivative, and non-reportable positions.
- Report date and filing date answer different questions.
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Form 3, 4, and 5
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Insider transactions, restricted-sale notices, board composition, and compensation context.
Portfolio surveillance
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Dataset analytics
Analytics Query API
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All APIs
SEC filing discovery
EDGAR Filing Search API
Search and retrieve SEC filings with canonical metadata, accession numbers, and source links.
Disclosure retrieval
Full-Text and Semantic Search API
Full-text and semantic search across filing text and sections for research and agent workflows.
Financial statement extraction
Statements and XBRL Facts API
Structured financial statements, XBRL facts, segmented revenues, and share-float reads.
Issuer profile
Company Intelligence API
Company overview, identifiers, segments, subsidiaries, and issuer context.
Institutional ownership
Ownership API
13F, institutional ownership, 13D/13G, manager portfolios, and ownership comparison workflows.
Form 3, 4, and 5
Insider Trading API
Insider transactions, restricted-sale notices, board composition, and compensation context.
Financing and share count risk
Dilution API
Dilution Score, offerings, share float, warrants, convertibles, cash runway, and financing-risk context.
Factor context
Factor Data API
Factor returns, exposures, valuations, decomposition, related stocks, and regime context.
Portfolio surveillance
Portfolio API
Portfolio analysis, attribution, stress testing, hedge construction, and optimization workflows.
Agent-ready analysis
Investor Intelligence API
Company, security, portfolio, earnings, country, query, and footnote intelligence workflows.
Macro regime context
Macro API
Macro indicators, releases, calendars, forecasts, regimes, and high-signal context.
Market reference
Market Utilities API
Market calendars, snapshots, bars, corporate actions, indices, financials, estimates, and reference utilities.
Disclosure events
Events API
Enforcement, auditor changes, officer changes, restatements, voting results, and M&A event workflows.
Identity graph
Entity Resolution API
Resolve CIK, ticker, FIGI, ISIN, CUSIP, names, and canonical entity context.
Monitoring operations
Streams and Webhooks API
Stream subscriptions, monitors, webhooks, delivery controls, and operational notifications.
Research outputs
Artifacts API
Create, retrieve, export, download, summarize, and reconcile artifacts.
Dataset analytics
Analytics Query API
Tenant-safe analytical query workflows over supported SEC API history datasets.