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 RIBBR 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/RIBBR"
Use Arkolith to show who owns RIBBR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $82K | 430K | ▲+7.4% Added · +30K sh | Q1 2026 | |
| 2 | Polar Asset Management Partners Inc. | $70K | 400K | —Held | Q1 2026 | |
| 3 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $70K | 400K | —Held | Q1 2026 | |
| 4 | Clear Street Group Inc. | $51K | 289K | —Held | Q1 2026 | |
| 5 | Hudson Bay Capital Management LP | $43K | 246K | ▼−1.6% Reduced · −4K sh | Q1 2026 | |
| 6 | AQR Arbitrage LLC | $33K | 185K | ▼−2.4% Reduced · −5K sh | Q1 2026 | |
| 7 | WHITEBOX ADVISORS LLC | $22K | 125K | —Held | Q1 2026 | |
| 8 | BOOTHBAY FUND MANAGEMENT, LLC | $12K | 70K | —Held | Q1 2026 | |
| 9 | Centiva Capital, LP | $7K | 40K | —Held | Q1 2026 |
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.
No Form 4 insider transactions on file yet.
| Company | Co-held by | Combined value |
|---|---|---|
| CRANE HARBOR ACQUISITIO-CL ACRAN | 9 funds | $53.7M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 9 funds | $49.9M |
| D. BORAL ARC ACQUISIT - CL ABCAR | 9 funds | $42.3M |
| EQV VENTURES ACQUISITION C-AEVAC | 9 funds | $37.9M |
| K&F GROWTH ACQUISITION COR-AKFII | 9 funds | $37.3M |
| MOZAYYX ACQUISITION CORPMZYX/U | 9 funds | $37.1M |
| RANGE CAPITAL ACQUISIT CL ARNGT | 9 funds | $34.9M |
| CAL REDWOOD ACQUISIT-CL ACRAQ | 9 funds | $25.9M |
| BTC DEVELOPMENT CORP-CL ABDCI | 9 funds | $25.3M |
| COLLECTIVE ACQUISITION CORPCCAQ | 9 funds | $24.2M |
| CO2 ENERGY TRANSITION -28NOEMW | 9 funds | $3.4M |
| D. BORAL ACQUISITION I CORPDBCAW | 9 funds | $2.6M |
Ranked by how many of RIBBR's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for RIBBR. 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.