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13F Institutional Holdings - Top Managers Leaderboard
x402
13F Institutional Holdings - Top Managers Leaderboard is a paid API for AI agents from x402.professorsausages.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Returns the largest 13F institutional asset managers ranked by total reported portfolio value for a given quarter
Price / call$0.01
Success—
StatusUnknown
How this service works
Largest 13F managers for a quarter by total reported value — institutional leaderboard and discovery surface
Output
A ranked list of the largest 13F institutional managers for the specified quarter, each with their name and total reported portfolio value, ordered from largest to smallest — functioning as an institutional investor discovery and benchmarking surface.
Example use cases
Biggest 13F filers this quarter
“Who are the largest institutional investors by total portfolio value reported in their 13F filings this quarter? Give me the full leaderboard ranked from biggest to smallest.”
Benchmark against top asset managers
“I want to see how the major institutional asset managers stack up against each other — can you pull the ranked list of the biggest 13F filers for Q4 2024 so I can compare them by total reported AUM?”
Discover top institutional shareholders
“Which hedge funds and asset managers hold the most assets according to SEC 13F filings right now? I'm trying to identify the biggest players I should be researching for my market analysis.”
Technical details
Endpoint
GEThttps://x402.professorsausages.com/13f-holdings/topWhen to prefer
Use this endpoint when you need a ranked leaderboard of the largest institutional investors by 13F-reported AUM for a specific quarter, particularly for competitive benchmarking, investor discovery, or identifying which major institutions to research further. Prefer this over individual holding lookups when you want a broad market-wide view of who the biggest players are rather than what a specific fund holds.
Side effects
- Quarter not yet available or filings not yet processed — returns empty or stale data
- Invalid or missing quarter parameter — may return a default quarter or an error
- Rate limit or payment failure (x402) — HTTP 402 response requiring USDC payment
- No data for an obscure or future quarter — empty result set
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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