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 BLRKU 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/BLRKU"
Use Arkolith to show who owns BLRKU, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | LMR Partners LLP | $4.0M | 400K | —Held | Q1 2026 | |
| 2 | Westchester Capital Management, LLC | $2.5M | 250K | —Held | Q1 2026 | |
| 3 | Ghisallo Capital Management LLC | $1.0M | 100K | —Held | Q1 2026 | |
| 4 | TIG Advisors, LLC | $1.0M | 100K | —Held | Q1 2026 | |
| 5 | BlueCrest Capital Management Ltd | $251K | 25K | —Held | Q1 2026 | |
| 6 | BOOTHBAY FUND MANAGEMENT, LLC | $224K | 22K | —Held | Q1 2026 | |
| 7 | Clear Street Group Inc. | $61K | 6K | ▼−97% Reduced · −194K sh | Q1 2026 | |
| 8 | Magnetar Financial LLC | $80 | 8 | ▼−100% Reduced · −800K 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.
| Company | Co-held by | Combined value |
|---|---|---|
| CANTOR EQUITY PARTNERS-CL ACEPV | 22 funds | $69.4M |
| ACTIVATE ENERGY ACQUISITIONAEAQU | 22 funds | $18.7M |
| MESHFLOW ACQUISITION CORPMESHU | 22 funds | $16.2M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 21 funds | $108.6M |
| DAEDALUS SPECIAL ACQUISITIONDSACU | 21 funds | $15.7M |
| HCM IV ACQUISITION CORPHACQU | 20 funds | $111.0M |
| D. BORAL ARC ACQUISIT - CL ABCAR | 20 funds | $87.3M |
| ITHAX ACQUISITION CORP IIIITHAU | 20 funds | $8.1M |
| DRUGS MADE IN AMERICA ACQUISDMII | 19 funds | $152.5M |
| IDEA ACQUISITION CORPIACOU | 19 funds | $110.6M |
| BLUE WATER ACQUISITION C-ABLUW | 19 funds | $92.3M |
| CANTOR EQUITY PARTNERS-CL ACEPF | 19 funds | $90.4M |
Ranked by how many of BLRKU'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 BLRKU. 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.