The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query ONYX owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/ONYX"
Use Arkolith to show who owns ONYX, which funds added or reduced it, and which SEC filings prove each claim.
Not held in any tracked 13F filing yet.
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Nov 14, 2024 | Kertesz Ana Soban Fernandes | Director | Disposed to issuer (D) | 30K | $0 |
| Nov 14, 2024 | Neto Edmar Prado Lopes | Director | Disposed to issuer (D) | 30K | $0 |
| Nov 14, 2024 | Lehmann Michael Ryan | Director | Disposed to issuer (D) | 30K | $0 |
| Nov 14, 2024 | Onyx Acquisition Sponsor Co. LLC | 10% Owner | Disposed to issuer (D) | 6.5M | $0 |
| Nov 13, 2024 | GROPPER DAN | 10% Owner | Other (J) | 814K | $9.3M |
| Apr 15, 2024 | CARRONADE CAPITAL MANAGEMENT, LP | 10% Owner | Sell (S) | 180K | $2.0M |
| Jul 24, 2023 | CARRONADE CAPITAL MANAGEMENT, LP | 10% Owner | Sell (S) | 6K | $67K |
| Jul 21, 2023 | VR Capital Holdings Ltd. | 10% Owner | Other (J) | 1.5M | $16.3M |
| Jan 26, 2023 | Kertesz Ana Soban Fernandes | Director | Conversion (C) | 30K | — |
| Jan 26, 2023 | Kertesz Ana Soban Fernandes | Director | Conversion (C) | 30K | — |
| Jan 26, 2023 | Lehmann Michael Ryan | Director | Conversion (C) | 30K | — |
| Jan 26, 2023 | Lehmann Michael Ryan | Director | Conversion (C) | 30K | — |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ONYX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.