Market Intelligence API
Activist investors and large holders of a US stock: SEC Schedule 13D (activist) and 13G (passive) filings of holders above 5% over days=1-1095, with holder names, type and percent of class. Use to find who owns 5% or more.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 91 ms
- Price
- $0.010 per call
- Paying buyers, last 30 days
- 3 (directory's own records)
- Paid calls, last 30 days
- 5
- Category
- Blockchain reads
- Address
- https://api.marketintelligenceapi.com/api/v1/sec/ownership/:symbol
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
For agents
This page as JSON: /sellers/810bac999ccc.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).