30 tracked 13F filers disclose a position in BLRKW as of the latest SEC 13F filings, a combined $1.2M in reported value. 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.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Magnetar Financial LLC | $77K | 267K | ▲New +267K sh | Q1 2026 | |
| 2 | AQR Arbitrage LLC | $86K | 261K | ▼−66% Reduced · −515K sh | Q1 2026 | |
| 3 | LINDEN ADVISORS LP | $73K | 250K | ▲New +250K sh | Q1 2026 | |
| 4 | ARISTEIA CAPITAL, L.L.C. | $49K | 170K | ▲New +170K sh | Q1 2026 | |
| 5 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $55K | 167K | ▲New +167K sh | Q1 2026 | |
| 6 | Alberta Investment Management Corp | $55K | 167K | ▲New +167K sh | Q1 2026 | |
| 7 | PICTON MAHONEY ASSET MANAGEMENT | $55K | 167K | ▼−67% Reduced · −333K sh | Q1 2026 | |
| 8 | Polar Asset Management Partners Inc. | $55K | 167K | ▲New +167K sh | Q1 2026 | |
| 9 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $50K | 150K | ▼−67% Reduced · −300K sh | Q1 2026 | |
| 10 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $48K | 144K | ▲+83% Added · +65K sh | Q1 2026 | |
| 11 | BNP PARIBAS FINANCIAL MARKETS | $41K | 141K | ▼−61% Reduced · −223K sh | Q1 2026 | |
| 12 | Wealthspring Capital LLC | $49K | 139K | ▼−3.2% Reduced · −5K sh | Q2 2026 | |
| 13 | CSS LLC/IL | $44K | 134K | ▲New +134K sh | Q1 2026 | |
| 14 | Radcliffe Capital Management, L.P. | $39K | 133K | ▲New +133K sh | Q1 2026 | |
| 15 | TENOR CAPITAL MANAGEMENT Co., L.P. | $44K | 133K | ▲New +133K sh | Q1 2026 | |
| 16 | Ilex Capital Partners (UK) LLP | $39K | 133K | ▼−67% Reduced · −267K sh | Q1 2026 | |
| 17 | Hudson Bay Capital Management LP | $39K | 117K | ▲New +117K sh | Q1 2026 | |
| 18 | Verition Fund Management LLC | $37K | 112K | ▼−68% Reduced · −238K sh | Q1 2026 | |
| 19 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $29K | 100K | ▲New +100K sh | Q1 2026 | |
| 20 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $33K | 100K | ▼−67% Reduced · −200K sh | Q1 2026 | |
| 21 | TORONTO DOMINION BANK | $30K | 90K | ▲New +90K sh | Q1 2026 | |
| 22 | METEORA CAPITAL, LLC | $22K | 87K | ▼−65% Reduced · −163K sh | Q1 2026 | |
| 23 | Context Capital Management, LLC | $38K | 83K | —Held | Q2 2026 | |
| 24 | Shaolin Capital Management LLC | $28K | 83K | ▼−67% Reduced · −167K sh | Q1 2026 | |
| 25 | WHITEBOX ADVISORS LLC | $24K | 73K | ▲New +73K 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.
Last quarter, 11 funds opened a new position in BLRKW and 1 added to an existing one, while 11 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| TRAILBLAZER ACQUI CORP -30BLZRW | 23 funds | $1.6M |
| CRANE HARBOR ACQUISITIO-CL ACRAN | 22 funds | $181.5M |
| CANTOR EQUITY PARTNERS-CL ACEPF | 22 funds | $126.0M |
| TRAILBLAZER ACQUISITION-CL ABLZR | 22 funds | $124.0M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 22 funds | $88.7M |
| APEX TREASURY CORP -30APXTW | 22 funds | $1.9M |
| ITHAX ACQUISITION CORP IIIITHAW | 22 funds | $1.4M |
| EQV VENTURES ACQUISITION C-AEVAC | 21 funds | $175.2M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 21 funds | $170.1M |
| MESHFLOW ACQUISITION CO-CL AMESH | 21 funds | $140.7M |
| INFLECTION POINT ACQUISITI-AIPCX | 21 funds | $136.5M |
| REPUBLIC DIGITAL ACQUIS-CL ARDAG | 21 funds | $132.1M |
Ranked by how many of BLRKW's institutional holders also hold each name, a cross-fund conviction signal.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
| Class | 13F holders | Value held |
|---|---|---|
| BLRKUSD CL A ORD SHS | 36 funds | $109.4M |
| BLRKWthis pageWarrant | 30 funds | $1.2M |
| BLRKUUnit | 18 funds | $22.1M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
No filings captured for this ticker in the live stream yet.
Connected entities for BLRKW
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/BLRKW/capital-change-brief"
Use Arkolith's capital_change_brief for BLRKW. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
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.