GP-Act III Acquisition Corp.
GPAT- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0001834526
No open-market purchases or sales by GP-Act III Acquisition Corp. insiders were filed in the last 90 days; 24 institutions reported holding it in 13F filings for Q2 2026, worth $96.2M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in GP-Act III Acquisition Corp. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 52
- 0 vs. Q3 2025
- Shares held
- 28.6M
- +548.4K (+2.0%) vs. Q3 2025
- Total value
- $305.7M
- +$8.45M (+2.8%) vs. Q3 2025
- New holders
- 2
- 11 more added
- Sold out
- 2
- 12 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GPAT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 24 | $96.2M |
| Q1 2026 | 51 | $287.8M |
| Q4 2025 | 52 | $305.7M |
| Q3 2025 | 52 | $297.2M |
| Q2 2025 | 48 | $294.1M |
| Q1 2025 | 40 | $269.5M |
| Q4 2024 | 42 | $266.8M |
| Q3 2024 | 37 | $248.5M |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding GP-Act III Acquisition Corp.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Karpus Management, Inc. | 2,331,866 | $24.9M | 0.77% | +25,050+1.1% | Added |
| Vivaldi Asset Management, LLC | 2,091,077 | $22.4M | 1.35% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 1,875,000 | $20.0M | 0.22% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 1,625,000 | $17.4M | 0.10% | 00.0% | Unchanged |
| CNH Partners LLC | 1,576,119 | $16.9M | 0.35% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 1,423,125 | $15.2M | 0.01% | 00.0% | Unchanged |
| HGC Investment Management Inc. | 1,375,000 | $14.7M | 3.12% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 1,360,852 | $14.6M | 0.68% | +250,000+22.5% | Added |
| MMCAP International Inc. SPC | 1,275,000 | $13.6M | 1.36% | 00.0% | Unchanged |
| LMR Partners LLP | 1,225,000 | $13.1M | 0.13% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 1,174,996 | $12.6M | 0.25% | 00.0% | Unchanged |
| Wealthspring Capital LLC | 1,018,282 | $10.9M | 2.57% | −13,581−1.3% | Reduced |
| Wolverine Asset Management LLC | 951,749 | $10.2M | 0.14% | −3,117−0.3% | Reduced |
| Linden Advisors LP | 797,584 | $8.53M | 0.05% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 750,000 | $8.02M | 0.11% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 625,000 | $6.68M | 0.01% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 573,222 | $6.13M | 0.33% | +327+0.1% | Added |
| L1 Global Manager Pty Ltd | 567,566 | $6.07M | 3.97% | +567,566 | New |
| Aristeia Capital LLC | 490,750 | $5.25M | 0.15% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 420,111 | $4.49M | 0.21% | −821−0.2% | Reduced |
| Heights Capital Management, Inc | 416,096 | $4.45M | 1.68% | −5,079−1.2% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 412,264 | $4.41M | 0.02% | 00.0% | Unchanged |
| Meteora Capital, LLC | 408,719 | $4.37M | 0.37% | +157,689+62.8% | Added |
| Toronto Dominion Bank | 400,000 | $4.28M | 0.01% | −461,649−53.6% | Reduced |
| Periscope Capital Inc. | 344,000 | $3.68M | 0.71% | 00.0% | Unchanged |
| Mizuho Securities USA LLC | 319,909 | $3.38M | 0.06% | +119,909+60.0% | Added |
| Berkley W R Corp | 312,290 | $3.34M | 0.19% | +14,298+4.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 295,938 | $3.17M | 0.01% | 00.0% | Unchanged |
| Deutsche Bank AG | 290,000 | $3.10M | 0.00% | 00.0% | Unchanged |
| UBS Oconnor LLC | 250,000 | $2.67M | 0.07% | −100,000−28.6% | Reduced |
| Jain Global LLC | 250,000 | $2.67M | 0.03% | 00.0% | Unchanged |
| Glazer Capital, LLC | 250,100 | $2.67M | 0.07% | −10,000−3.8% | Reduced |
| Verition Fund Management LLC | 229,124 | $2.45M | 0.01% | +1,500+0.7% | Added |
| Moore Capital Management, LP | 200,000 | $2.14M | 0.04% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 137,739 | $1.47M | 0.00% | −84−0.1% | Reduced |
| Shaolin Capital Management LLC | 125,000 | $1.34M | 0.05% | +25,000+25.0% | Added |
| The PNC Financial Services Group, Inc. | 80,000 | $855.2K | 0.00% | 00.0% | Unchanged |
| Lineage Point Capital LP | 65,000 | $694.9K | 0.26% | +65,000 | New |
| JPMorgan Chase & Co | 49,816 | $533.0K | 0.00% | +82+0.2% | Added |
| Dakota Wealth Management | 48,400 | $517.4K | 0.01% | 00.0% | Unchanged |
| Kepos Capital LP | 42,500 | $454.0K | 2.58% | 00.0% | Unchanged |
| Robinson Capital Management, LLC | 22,250 | $238.1K | 0.10% | 00.0% | Unchanged |
| Wellspring Financial Advisors, LLC | 21,200 | $226.6K | 0.02% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 18,053 | $193.0K | 0.00% | −1,138−5.9% | Reduced |
| TrueMark Investments, LLC | 16,017 | $171.4K | 0.03% | −821−4.9% | Reduced |
| Citadel Advisors LLC | 14,909 | $159.5K | 0.00% | −3,857−20.6% | Reduced |
| Cannon Global Investment Management, LLC | 14,500 | $155.0K | 0.41% | +4,000+38.1% | Added |
| Condor Capital Management | 10,632 | $113.7K | 0.01% | 00.0% | Unchanged |
| Clear Street Group Inc. | 10,321 | $110.3K | 0.00% | 00.0% | Unchanged |
| Longfellow Investment Management Co LLC | 7,800 | $83.4K | 0.02% | 00.0% | Unchanged |
| UBS Group AG | 2,231 | $23.8K | 0.00% | −8,926−80.0% | Reduced |
| Morgan Stanley | 79 | $845 | 0.00% | +23+41.1% | Added |
| Quarry LP | 0 | $0 | 0.00% | −64,977−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −8,000−100.0% | Sold out |