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, Q1 2025
Institutional positions in GP-Act III Acquisition Corp. as of Mar 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
- 40
- −2 vs. Q4 2024
- Shares held
- 26.2M
- −151.0K (−0.6%) vs. Q4 2024
- Total value
- $269.5M
- +$2.74M (+1.0%) vs. Q4 2024
- New holders
- 2
- 5 more added
- Sold out
- 4
- 9 more reduced
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding GP-Act III Acquisition Corp.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Karpus Management, Inc. | 3,608,177 | $37.1M | 1.20% | −33,287−0.9% | Reduced |
| Vivaldi Asset Management, LLC | 2,587,500 | $26.7M | 1.93% | 00.0% | Unchanged |
| HGC Investment Management Inc. | 2,475,000 | $25.5M | 9.08% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 2,075,000 | $21.4M | 3.64% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 1,875,000 | $19.3M | 0.66% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 1,674,996 | $17.3M | 0.57% | 00.0% | Unchanged |
| CNH Partners LLC | 1,610,119 | $16.6M | 0.40% | −100,000−5.8% | Reduced |
| D. E. Shaw & Co., Inc. | 1,237,500 | $12.8M | 0.02% | 00.0% | Unchanged |
| LMR Partners LLP | 1,225,000 | $12.6M | 0.25% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 1,160,852 | $12.0M | 0.70% | +250,852+27.6% | Added |
| Schechter Investment Advisors, LLC | 893,299 | $9.19M | 0.76% | −46,292−4.9% | Reduced |
| Two Sigma Investments, LP | 625,000 | $6.43M | 0.01% | 00.0% | Unchanged |
| Aristeia Capital LLC | 500,000 | $5.15M | 0.16% | 00.0% | Unchanged |
| Heights Capital Management, Inc | 460,000 | $4.75M | 2.27% | 00.0% | Unchanged |
| Gritstone Asset Management LLC | 439,911 | $4.53M | 4.76% | −1,492−0.3% | Reduced |
| Rivernorth Capital Management, LLC | 421,842 | $4.34M | 0.23% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 412,264 | $4.25M | 0.03% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 309,050 | $3.19M | 0.06% | +10,497+3.5% | Added |
| Berkley W R Corp | 297,992 | $3.07M | 0.22% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 295,938 | $3.06M | 0.01% | 00.0% | Unchanged |
| Deutsche Bank AG | 290,000 | $2.98M | 0.00% | 00.0% | Unchanged |
| Glazer Capital, LLC | 276,226 | $2.84M | 0.13% | +3,992+1.5% | Added |
| Periscope Capital Inc. | 225,000 | $2.32M | 1.29% | 00.0% | Unchanged |
| Wealthspring Capital LLC | 209,259 | $2.15M | 3.32% | −12,575−5.7% | Reduced |
| Moore Capital Management, LP | 200,000 | $2.07M | 0.07% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 160,000 | $1.65M | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 141,211 | $1.46M | 0.00% | −176,052−55.5% | Reduced |
| Goldman Sachs Group Inc | 137,424 | $1.41M | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 126,526 | $1.31M | 0.01% | −3,452−2.7% | Reduced |
| Dakota Wealth Management | 48,400 | $498.0K | 0.01% | 00.0% | Unchanged |
| Kepos Capital LP | 42,500 | $438.0K | 0.36% | 00.0% | Unchanged |
| Mizuho Securities USA LLC | 30,000 | $303.0K | 0.01% | +30,000 | New |
| Robinson Capital Management, LLC | 22,250 | $229.8K | 0.09% | −19,548−46.8% | Reduced |
| Wellspring Financial Advisors, LLC | 18,000 | $185.2K | 0.02% | 00.0% | Unchanged |
| TrueMark Investments, LLC | 17,748 | $183.3K | 0.05% | 00.0% | Unchanged |
| Citadel Advisors LLC | 11,778 | $121.7K | 0.00% | +1,638+16.2% | Added |
| Condor Capital Management | 11,518 | $118.5K | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 4,150 | $42.7K | 0.00% | +3,750+937.5% | Added |
| Clear Street LLC | 121 | $1.25K | 0.00% | −538−81.6% | Reduced |
| Morgan Stanley | 32 | $329 | 0.00% | +32 | New |
| Fir Tree Capital Management LP | 0 | $0 | 0.00% | −28,846−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −19,548−100.0% | Sold out |
| Highbridge Capital Management LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −120−100.0% | Sold out |