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 BLRK 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/BLRK"
Use Arkolith to show who owns BLRK, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Magnetar Financial LLC | $7.9M | 800K | ▲New +800K sh | Q1 2026 | |
| 2 | AQR Arbitrage LLC | $7.3M | 740K | ▲New +740K sh | Q1 2026 | |
| 3 | ARISTEIA CAPITAL, L.L.C. | $5.1M | 511K | ▲New +511K sh | Q1 2026 | |
| 4 | Alberta Investment Management Corp | $5.0M | 500K | —Held | Q1 2026 | |
| 5 | PICTON MAHONEY ASSET MANAGEMENT | $5.0M | 500K | ▲New +500K sh | Q1 2026 | |
| 6 | Polar Asset Management Partners Inc. | $5.0M | 500K | —Held | Q1 2026 | |
| 7 | TENOR CAPITAL MANAGEMENT Co., L.P. | $4.0M | 400K | —Held | Q1 2026 | |
| 8 | Hudson Bay Capital Management LP | $3.5M | 350K | ▼~0% Reduced · −2 sh | Q1 2026 | |
| 9 | Verition Fund Management LLC | $3.5M | 350K | ▲New +350K sh | Q1 2026 | |
| 10 | First Trust Capital Management L.P. | $3.3M | 333K | ▼~0% Reduced · −3 sh | Q1 2026 | |
| 11 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $3.0M | 300K | ▲New +300K sh | Q1 2026 | |
| 12 | Context Capital Management, LLC | $2.5M | 250K | —Held | Q1 2026 | |
| 13 | Shaolin Capital Management LLC | $2.5M | 250K | ▲New +250K sh | Q1 2026 | |
| 14 | WHITEBOX ADVISORS LLC | $2.2M | 219K | —Held | Q1 2026 | |
| 15 | Clear Street Group Inc. | $1.9M | 193K | ▲New +193K sh | Q1 2026 | |
| 16 | MOORE CAPITAL MANAGEMENT, LP | $1.5M | 150K | —Held | Q1 2026 | |
| 17 | Karpus Management, Inc. | $842K | 85K | ▲New +85K sh | Q1 2026 | |
| 18 | Centiva Capital, LP | $248K | 25K | —Held | Q1 2026 | |
| 19 | Schonfeld Strategic Advisors LLC | $99K | 10K | ▲New +10K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jan 23, 2026 | KAMFAR RAMIN | CEO and Chairman, Director, 10% Owner | Other (J) | 35K | $3.7M |
| Jan 23, 2026 | KAMFAR RAMIN | CEO and Chairman, Director, 10% Owner | Other (J) | 35K | $0 |
| Class | 13F holders | Value held |
|---|---|---|
| BLRKthis pageUSD CL A ORD SHS | 30 funds | $93.2M |
| BLRKWWarrant | 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 |
|---|---|---|
| HIGHVIEW MERGER CORP-CL AHVMC | 19 funds | $89.0M |
| CAL REDWOOD ACQUISIT-CL ACRAQ | 19 funds | $85.2M |
| CSLM DIGITAL ASSET ACQU - AKOYN | 19 funds | $78.5M |
| TAILWIND 2.0 ACQUISITIO-CL ATDWD | 19 funds | $69.5M |
| AXIOM INTELLIGENCE-CL AAXIN | 19 funds | $67.4M |
| DRUGS MADE IN AMERICA ACQUISDMII | 18 funds | $174.8M |
| SIDDHI ACQUISITION CORP-ASDHI | 18 funds | $139.7M |
| EQV VENTURES ACQUISITION C-AEVAC | 18 funds | $135.5M |
| SOULPOWER ACQUISITION CO-ASOUL | 18 funds | $117.6M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 18 funds | $114.4M |
| SIZZLE ACQUISITION CORP-CL ASZZL | 18 funds | $111.6M |
| APEX TREASURY CORP-CL AAPXT | 18 funds | $104.1M |
Ranked by how many of BLRK's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for BLRK. 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.