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 CUB 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/CUB"
Use Arkolith to show who owns CUB, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | First Trust Capital Management L.P. | $23.1M | 2.1M | —Held | Q1 2026 | |
| 2 | LMR Partners LLP | $21.3M | 2.0M | —Held | Q1 2026 | |
| 3 | Magnetar Financial LLC | $20.6M | 1.9M | —Held | Q1 2026 | |
| 4 | AQR Arbitrage LLC | $16.7M | 1.6M | ▼−1.3% Reduced · −21K sh | Q1 2026 | |
| 5 | PICTON MAHONEY ASSET MANAGEMENT | $16.1M | 1.5M | —Held | Q1 2026 | |
| 6 | Karpus Management, Inc. | $11.1M | 1.0M | ▼−4.2% Reduced · −45K sh | Q1 2026 | |
| 7 | Polar Asset Management Partners Inc. | $10.6M | 985K | —Held | Q1 2026 | |
| 8 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $5.6M | 516K | ▼−5.2% Reduced · −28K sh | Q1 2026 | |
| 9 | Westchester Capital Management, LLC | $4.3M | 400K | —Held | Q1 2026 | |
| 10 | TENOR CAPITAL MANAGEMENT Co., L.P. | $2.7M | 250K | —Held | Q1 2026 | |
| 11 | Jain Global LLC | $2.7M | 250K | —Held | Q1 2026 | |
| 12 | ARISTEIA CAPITAL, L.L.C. | $2.6M | 245K | —Held | Q1 2026 | |
| 13 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $2.0M | 183K | ▲New +183K sh | Q1 2026 | |
| 14 | Verition Fund Management LLC | $1.2M | 109K | ▼~0% Reduced · −23 sh | Q1 2026 | |
| 15 | WHITEBOX ADVISORS LLC | $1.1M | 100K | —Held | Q1 2026 | |
| 16 | Hudson Bay Capital Management LP | $1.1M | 100K | —Held | Q1 2026 | |
| 17 | Dakota Wealth Management | $393K | 37K | ▼−2.5% Reduced · −925 sh | Q1 2026 | |
| 18 | Clear Street Group Inc. | $274K | 25K | ▼−24% Reduced · −8K sh | Q1 2026 | |
| 19 | Evercore Wealth Management, LLC | $162K | 15K | —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 |
|---|---|---|
| ANDRETTI ACQUISITION CORP -APOLE | 18 funds | $112.2M |
| CAL REDWOOD ACQUISIT-CL ACRAQ | 18 funds | $90.8M |
| D. BORAL ARC ACQUISIT - CL ABCAR | 18 funds | $86.7M |
| DRUGS MADE IN AMERICA ACQUISDMII | 17 funds | $162.2M |
| K&F GROWTH ACQUISITION COR-AKFII | 17 funds | $130.9M |
| GRAF GLOBAL CORP-CL AGRAF | 17 funds | $125.6M |
| SOULPOWER ACQUISITION CO-ASOUL | 17 funds | $118.2M |
| OYSTER ENTERPRISES II ACQ-AOYSE | 17 funds | $107.2M |
| ARMADA ACQUISITION -CLASS AXRPN | 17 funds | $89.6M |
| BLUE WATER ACQUISITION C-ABLUW | 17 funds | $89.6M |
| ENHANCED GROUP INCENHA | 17 funds | $87.7M |
| PLUM ACQUISITION CORP IVPLMK | 17 funds | $72.1M |
Ranked by how many of CUB'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 CUB. 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.