Among active 13F managers last quarter, 3 opened and 3 added, while 6 reduced; the largest holder to move was Picton Mahoney Asset Management (+1.5%). No open-market insider trades in the last 180 days.
No leg leans either way.
43 tracked 13F filers disclose a position in GPAC as of the latest SEC 13F filings, a combined $180.5M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Adage Capital Partners GP, L.L.C. | 1.8M | $17.8M | —Held | Q1 2026 | |
| 2 | Alberta Investment Management Corp | 1.2M | $12.0M | —Held | Q2 2026 | |
| 3 | Healthcare Of Ontario Pension Plan Trust Fund | 1.1M | $11.4M | ▼−4.2% Reduced · −50K sh | Q1 2026 | |
| 4 | Picton Mahoney Asset Management | 1.0M | $10.2M | ▲+1.5% Added · +15K sh | Q2 2026 | |
| 5 | Magnetar Financial LLC | 922K | $9.2M | —Held | Q2 2026 | |
| 6 | AQR Arbitrage LLC | 883K | $8.8M | ▲+1.7% Added · +15K sh | Q2 2026 | |
| 7 | D. E. Shaw & Co., Inc. | 801K | $7.9M | ▲New +801K sh | Q1 2026 | |
| 8 | Tenor Capital Management Co., L.P. | 800K | $8.0M | —Held | Q2 2026 | |
| 9 | Millennium Management LLC | 800K | $7.9M | ▼−33% Reduced · −400K sh | Q1 2026 | |
| 10 | Linden Advisors LP | 750K | $7.4M | ▲New +750K sh | Q1 2026 | |
| 11 | Aristeia Capital, L.L.C. | 701K | $7.0M | —Held | Q2 2026 | |
| 12 | Hudson Bay Capital Management LP | 654K | $6.5M | —Held | Q2 2026 | |
| 13 | Radcliffe Capital Management, L.P. | 550K | $5.5M | —Held | Q2 2026 | |
| 14 | BNP Paribas Financial Markets | 539K | $5.3M | ▲New +539K sh | Q1 2026 | |
| 15 | Berkley W R Corp | 519K | $5.1M | ▼~0% Reduced · −1 sh | Q1 2026 | |
| 16 | Kryger Capital LLC | 501K | $5.0M | ▼−1.7% Reduced · −9K sh | Q2 2026 | |
| 17 | Lineage Point Capital LP | 495K | $5.0M | —Held | Q2 2026 | |
| 18 | Two Sigma Investments, LP | 363K | $3.6M | —Held | Q1 2026 | |
| 19 | BlueCrest Capital Management Ltd | 335K | $3.4M | —Held | Q2 2026 | |
| 20 | Whitebox Advisors LLC | 300K | $3.0M | —Held | Q2 2026 | |
| 21 | Moore Capital Management, LP | 300K | $3.0M | —Held | Q2 2026 | |
| 22 | Commonwealth Of Pennsylvania Public School Empls Retrmt Sys | 300K | $3.0M | ▲New +300K sh | Q1 2026 | |
| 23 | Periscope Capital Inc. | 290K | $2.9M | —Held | Q2 2026 | |
| 24 | Shaolin Capital Management LLC | 286K | $2.9M | ▼−33% Reduced · −139K sh | Q2 2026 | |
| 25 | Ghisallo Capital Management LLC | 250K | $2.5M | —Held | Q2 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, 3 funds opened a new position in GPAC and 3 added to an existing one, while 6 reduced. 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 | Their position there |
|---|---|---|
| Activate Energy Acquisitio-AAEAQ | 29 funds | $127.9M |
| Eqv Ventures Acquisition C-AEVAC | 28 funds | $228.3M |
| Safeguard Acquisition C-CL ASAC | 27 funds | $120.6M |
| Ithax Acquisition Corp-CL AITHA | 27 funds | $120.6M |
| Cantor Equity Partners-CL ACEPF | 26 funds | $154.9M |
| Meshflow Acquisition Co-CL AMESH | 26 funds | $152.9M |
| M3-Brigade Acquisition-CL AMBVI | 26 funds | $150.6M |
| Crane Harbor Acquisitio-CL ACRAN | 26 funds | $150.3M |
| Evolution Global Acquis-CL AEVOX | 26 funds | $131.0M |
| Daedalus Special Acquis-CL ADSAC | 26 funds | $108.4M |
| Tailwind 2.0 Acquisitio-CL ATDWD | 26 funds | $96.4M |
| Cantor Equity Partners-CL ACEPV | 26 funds | $82.7M |
Ranked by how many of GPAC's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in GPAC.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 4 | 8 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
| Class | 13F holders | Value held |
|---|---|---|
| GPACthis pageUSD CL A ORD SHS | 43 funds | $180.5M |
| GPACWWarrant | 33 funds | $2.2M |
| GPACUUnit | 12 funds | $14.6M |
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.