SEC 13F Institutional Whale Holdings

Holdings are from quarterly SEC 13F-HR filings, not real-time. Track institutional smart money accumulation and quarterly hedge fund shifts.

API Endpoints

13F Institutional Holdings Dataset: `GET /api/data/sec`

Price: $0.10 USDC (via x402 pay-per-call on Base)

Data provenance: Holdings are from quarterly SEC 13F-HR filings, not real-time.

Payment Protocol

Settled via x402 protocol in USDC on Base (network: eip155:8453, contract: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913).

Machine Discovery & Specifications