38 tracked 13F filers disclose a position in GPAC as of the latest SEC 13F filings, a combined $169.1M 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 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $17.8M | 1.8M | —Held | Q1 2026 | |
| 2 | Alberta Investment Management Corp | $11.9M | 1.2M | —Held | Q1 2026 | |
| 3 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $11.4M | 1.1M | ▼−4.2% Reduced · −50K sh | Q1 2026 | |
| 4 | PICTON MAHONEY ASSET MANAGEMENT | $9.9M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 5 | Magnetar Financial LLC | $9.2M | 922K | ▲New +922K sh | Q1 2026 | |
| 6 | AQR Arbitrage LLC | $8.6M | 868K | ▲New +868K sh | Q1 2026 | |
| 7 | D. E. Shaw & Co., Inc. | $7.9M | 801K | ▲New +801K sh | Q1 2026 | |
| 8 | MILLENNIUM MANAGEMENT LLC | $7.9M | 800K | ▼−33% Reduced · −400K sh | Q1 2026 | |
| 9 | TENOR CAPITAL MANAGEMENT Co., L.P. | $7.9M | 800K | —Held | Q1 2026 | |
| 10 | LINDEN ADVISORS LP | $7.4M | 750K | ▲New +750K sh | Q1 2026 | |
| 11 | ARISTEIA CAPITAL, L.L.C. | $7.0M | 701K | ▲New +701K sh | Q1 2026 | |
| 12 | Hudson Bay Capital Management LP | $6.5M | 654K | ▲+31% Added · +154K sh | Q1 2026 | |
| 13 | Radcliffe Capital Management, L.P. | $5.5M | 550K | —Held | Q1 2026 | |
| 14 | BNP PARIBAS FINANCIAL MARKETS | $5.3M | 539K | ▲New +539K sh | Q1 2026 | |
| 15 | BERKLEY W R CORP | $5.1M | 519K | ▼~0% Reduced · −1 sh | Q1 2026 | |
| 16 | Lineage Point Capital LP | $4.9M | 495K | ▲New +495K sh | Q1 2026 | |
| 17 | Shaolin Capital Management LLC | $4.2M | 425K | ▲New +425K sh | Q1 2026 | |
| 18 | TWO SIGMA INVESTMENTS, LP | $3.6M | 363K | —Held | Q1 2026 | |
| 19 | BlueCrest Capital Management Ltd | $3.3M | 335K | ▲New +335K sh | Q1 2026 | |
| 20 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $3.0M | 300K | ▲New +300K sh | Q1 2026 | |
| 21 | WHITEBOX ADVISORS LLC | $3.0M | 300K | —Held | Q1 2026 | |
| 22 | MOORE CAPITAL MANAGEMENT, LP | $3.0M | 300K | ▲New +300K sh | Q1 2026 | |
| 23 | Ghisallo Capital Management LLC | $2.5M | 250K | —Held | Q1 2026 | |
| 24 | HBK INVESTMENTS L P | $2.0M | 200K | ▲New +200K sh | Q1 2026 | |
| 25 | Verition Fund Management LLC | $2.0M | 200K | ▲New +200K 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, 13 funds opened a new position in GPAC and 2 added to an existing one, while 3 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 |
|---|---|---|
| ACTIVATE ENERGY ACQUISITIO-AAEAQ | 25 funds | $113.0M |
| EQV VENTURES ACQUISITION C-AEVAC | 24 funds | $211.1M |
| CANTOR EQUITY PARTNERS-CL ACEPF | 24 funds | $148.5M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 24 funds | $143.9M |
| RANGE CAPITAL ACQUISIT CL ARNGT | 24 funds | $134.6M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 24 funds | $78.4M |
| HCM IV ACQUISITION CORPHACQU | 23 funds | $125.1M |
| ITHAX ACQUISITION CORP-CL AITHA | 23 funds | $114.4M |
| TRAILBLAZER ACQUISITION-CL ABLZR | 23 funds | $113.1M |
| SAFEGUARD ACQUISITION C-CL ASAC | 23 funds | $112.0M |
| TAILWIND 2.0 ACQUISITIO-CL ATDWD | 23 funds | $91.4M |
| DRUGS MADE IN AMERICA ACQUISDMII | 22 funds | $214.6M |
Ranked by how many of GPAC'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 |
|---|---|---|
| GPACthis pageUSD CL A ORD SHS | 38 funds | $169.1M |
| GPACWWarrant | 29 funds | $1.8M |
| GPACUUnit | 13 funds | $14.4M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for GPAC
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/GPAC/capital-change-brief"
Use Arkolith's capital_change_brief for GPAC. 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 GPAC. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.