Structured SEC Data API
for Developers
Access financials, ownership, ETF exposure, and filings - all structured directly from SEC XBRL. No adjusted metrics. Fully traceable.
Built for investors, quant developers, and research platforms.
Build ownership intelligence in one request
const response = await fetch(
'https://api.stockfit.io/v1/api/ownership/summary?symbol=AAPL',
{ headers: { 'Authorization': 'Bearer fl_your_token' } }
);
const data = await response.json();{
"sharesOutstanding": 14700000000,
"institutional": {
"holderCount": 2847,
"totalShares": 10234567890,
"totalValue": 2891234567000,
"pctOfSharesOutstanding": 69.62,
"reportDate": "2025-12-31",
"topHolders": [{
"managerName": "BlackRock, Inc.",
"managerCik": 2012383,
"shares": 1157054556,
"value": 314465315556,
"pctOfShares": 7.87
}]
},
"beneficialOwnerCount": 3,
"insiderCount": 12
}No joins. No parsing filings. Ready to use.
Everything you need to build
Comprehensive coverage of US equities and ETFs, sourced from official SEC filings.
Financials
From raw filings, fully traceable. Income statements, balance sheets, cash flow, growth rates, health scores, and chart-ready data.
Ownership
Institutional + insider flows in one view. 13F holders, beneficial owners, Form 3/4/5 transactions, and share class data.
ETF Exposure
Look-through and overlap analysis. Full holdings, portfolio composition, fund flows, fee history, and AI exposure models.
Filing Intelligence
Events, timelines, and signals. 8-K categorization, predicted filing calendar, S-1 pipeline, section extraction, and search.
Business Models
AI-classified economic structure. Competitive advantages, operating levers, peer comparables, flywheels, and failure modes.
Earnings
EPS history, quality metrics, margin trajectories, predicted earnings dates, and calendar for up to 50 symbols.
Executives
CEO and officer compensation vs performance, governance flags, and company-selected KPIs from proxy statements.
Symbol Lookup
Search by ticker, CIK, CUSIP, or company name. Batch lookups, cross-reference identifiers, and former name search.
Screeners
Filter stocks and ETFs by AI-classified business model, pricing power, capital intensity, and margin structure.
Updated Daily
Fresh data from SEC EDGAR every trading day
Official Source
Parsed directly from XBRL filings — fully traceable
Developer First
Simple REST API with clear JSON responses