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 CLBR 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/CLBR"
Use Arkolith to show who owns CLBR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Hudson Bay Capital Management LP | $13.8M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 2 | HBK INVESTMENTS L P | $5.0M | 500K | ▲New +500K sh | Q1 2026 | |
| 3 | TENOR CAPITAL MANAGEMENT Co., L.P. | $5.0M | 500K | ▲New +500K sh | Q1 2026 | |
| 4 | Ghisallo Capital Management LLC | $5.0M | 500K | ▲New +500K sh | Q1 2026 | |
| 5 | Lighthouse Investment Partners, LLC | $5.0M | 500K | ▲New +500K sh | Q1 2026 | |
| 6 | Verition Fund Management LLC | $4.0M | 400K | ▲New +400K sh | Q1 2026 | |
| 7 | First Trust Capital Management L.P. | $4.0M | 400K | ▲New +400K sh | Q1 2026 | |
| 8 | WHITEBOX ADVISORS LLC | $3.0M | 300K | ▲New +300K sh | Q1 2026 | |
| 9 | Clear Street Group Inc. | $2.4M | 239K | ▲New +239K sh | Q1 2026 | |
| 10 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $10K | 1K | ▲New +1K sh | 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.
| Class | 13F holders | Value held |
|---|---|---|
| CLBR/UUnit | 32 funds | $126.5M |
| CLBRthis pageORD SHS CL A | 15 funds | $88.9M |
| G2284A111WARRANT | 13 funds | $916K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
| Company | Co-held by | Combined value |
|---|---|---|
| CANTOR EQUITY PARTNERS-CL ACEPF | 10 funds | $57.2M |
| DRUGS MADE IN AMERICA ACQUISDMII | 9 funds | $66.6M |
| HCM IV ACQUISITION CORPHACQU | 9 funds | $43.8M |
| CANTOR EQUITY PARTNERS III-ACAEP | 9 funds | $43.6M |
| KRAKACQUISITION CORP-CL AKRAQ | 9 funds | $41.0M |
| BAIN CAPITAL GSS INV- ABCSS | 9 funds | $35.1M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 9 funds | $30.3M |
| ALUSSA ENERGY ACQUISITION COALUB/U | 9 funds | $583K |
| DRUGS MADE IN AMERICA ACQ-RTDMIIR | 9 funds | $509K |
| GORES HOLDINGS X INC-CL AGTEN | 8 funds | $49.5M |
| BOLD EAGLE ACQUISITION COR-ABEAG | 8 funds | $48.1M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 8 funds | $47.6M |
Ranked by how many of CLBR'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 CLBR. 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.