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 BLRKW 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/BLRKW"
Use Arkolith to show who owns BLRKW, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | AQR Arbitrage LLC | $86K | 261K | ▼−66% Reduced · −515K sh | Q1 2026 | |
| 2 | Magnetar Financial LLC | $77K | 267K | ▲New +267K sh | Q1 2026 | |
| 3 | Alberta Investment Management Corp | $55K | 167K | ▲New +167K sh | Q1 2026 | |
| 4 | PICTON MAHONEY ASSET MANAGEMENT | $55K | 167K | ▼−67% Reduced · −333K sh | Q1 2026 | |
| 5 | Polar Asset Management Partners Inc. | $55K | 167K | ▲New +167K sh | Q1 2026 | |
| 6 | ARISTEIA CAPITAL, L.L.C. | $49K | 170K | ▲New +170K sh | Q1 2026 | |
| 7 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $48K | 144K | ▲+83% Added · +65K sh | Q1 2026 | |
| 8 | CSS LLC/IL | $44K | 134K | ▲New +134K sh | Q1 2026 | |
| 9 | TENOR CAPITAL MANAGEMENT Co., L.P. | $44K | 133K | ▲New +133K sh | Q1 2026 | |
| 10 | Ilex Capital Partners (UK) LLP | $39K | 133K | ▼−67% Reduced · −267K sh | Q1 2026 | |
| 11 | Hudson Bay Capital Management LP | $39K | 117K | ▲New +117K sh | Q1 2026 | |
| 12 | Verition Fund Management LLC | $37K | 112K | ▼−68% Reduced · −238K sh | Q1 2026 | |
| 13 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $33K | 100K | ▼−67% Reduced · −200K sh | Q1 2026 | |
| 14 | Shaolin Capital Management LLC | $28K | 83K | ▼−67% Reduced · −167K sh | Q1 2026 | |
| 15 | Context Capital Management, LLC | $25K | 83K | ▲New +83K sh | Q1 2026 | |
| 16 | WHITEBOX ADVISORS LLC | $24K | 73K | ▲New +73K sh | Q1 2026 | |
| 17 | Clear Street Group Inc. | $24K | 71K | ▲New +71K sh | Q1 2026 | |
| 18 | MOORE CAPITAL MANAGEMENT, LP | $17K | 50K | ▲New +50K 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 |
|---|---|---|
| BLRKUSD CL A ORD SHS | 30 funds | $93.2M |
| BLRKWthis pageWarrant | 26 funds | $1.1M |
| BLRKUUnit | 16 funds | $19.6M |
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 ACEPV | 18 funds | $67.2M |
| EQV VENTURES ACQUISITION C-AEVAC | 17 funds | $125.8M |
| CANTOR EQUITY PARTNERS-CL ACEPF | 17 funds | $83.8M |
| CAL REDWOOD ACQUISIT-CL ACRAQ | 17 funds | $73.6M |
| BTC DEVELOPMENT CORP-CL ABDCI | 17 funds | $72.4M |
| TRAILBLAZER ACQUISITION-CL ABLZR | 17 funds | $72.3M |
| REAL ASSET AQC Corp -30RAAQW | 17 funds | $5.1M |
| M3-BRIGADE ACQUISITION VI COMBVIW | 17 funds | $1.7M |
| ACTIVATE ENERGY ACQUISITIONAEAQW | 17 funds | $1.3M |
| DIGITAL ASSET ACQUISITION-30DAAQW | 17 funds | $1.3M |
| EVOLUTION GLOBAL ACQUISITIONEVOXW | 17 funds | $1.3M |
| HIGHVIEW MERGER CORP - 30HVMCW | 17 funds | $1.2M |
Ranked by how many of BLRKW'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 BLRKW. 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.