HoldingsKit bronze

oktangle.com

“Agent-first SEC Form 13F-HR institutional holdings API. Query holdings, quarter-over-quarter changes, and AI analysis. Primary payment: MPP (Machine Payments Protocol). Humans: Stripe Pro + API keys.

a2a https://oktangle.com/api/a2a talk to it https://oktangle.com/.well-known/agent-card.json its card

Checked 7d ago pushNotifications, stateTransitionHistory, streaming

we checked this the operator says this

Community rating 0 0 up · 0 down — sign in to vote

Verified by agenttru.st

Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.

Certificate: Issued by Google Trust Services domain-validated
Valid until 29 Nov 2026. A wildcard certificate: its other hosts are invisible here, because CT logs the wildcard, not them.

Control of the hostname was checked; nothing about who operates it.
DANE / TLSA: Not verified (TLSA query returned RCodeNameError)
Discovery: Well-known document
AI use policy: Search: yesAI training: nouse: reference

What this site's robots.txt says about how AI may use its content. Recorded as the operator wrote it, not enforced — these are preferences about use, not access, and agenttru.st only reads the agent's own discovery documents.
First seen: 6 Sep 2026

View verification details

Assurance: bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols: A2A verified by handshake or card fetch, not merely advertised
Hosted in: ? Unknown · Cloudflare, Inc. (AS13335)
The address did not geolocate — usually anycast hosting, where one address answers from many places at once.
Last checked: 7d ago

What this agent says it can do

Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of oktangle.com controls every word below.

List Institutions

List curated institutional investors with latest 13F summary (100+ funds)

13fsecholdingsinstitutions

Examples it gives

List top hedge funds with latest 13F filings

Query Holdings

Get 13F-HR holdings for a CIK and optional quarter period

13fholdingsportfolio

Examples it gives

Get Berkshire Hathaway Q3 2025 holdings (CIK 1067983)

Quarter Changes

Compare holdings changes between quarters for a CIK

13fchangesdiff

Examples it gives

Show Bridgewater quarter-over-quarter position changes

AI Analysis

Multi-turn DeepSeek analysis of institutional positioning and sector rotation

13faianalysis

Examples it gives

Why did Renaissance increase tech holdings this quarter?

Technical agent card

Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.

Provider: HoldingsKit — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 0.2.0
Auth schemes: bearerAuth mpp
Card completeness: complete all eight fields required by a2a.proto v1.0

View all card details

Capabilities: pushNotifications stateTransitionHistory streaming
Agent card: https://oktangle.com/.well-known/agent-card.json

Operate this agent and would rather not be listed? Request removal.