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 $96.9M in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in GP-Act III Acquisition Corp. as of Jun 30, 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
- 48
- +10 vs. Q1 2025
- Shares held
- 27.9M
- +2.66M (+10.5%) vs. Q1 2025
- Total value
- $294.1M
- +$34.1M (+13.1%) vs. Q1 2025
- New holders
- 12
- 11 more added
- Sold out
- 2
- 10 more reduced
2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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 | $96.9M |
| Q1 2026 | 51 | $287.8M |
| Q4 2025 | 52 | $305.7M |
| Q3 2025 | 52 | $297.8M |
| 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, Q2 2025
Shares, value and share of portfolio for each institution holding GP-Act III Acquisition Corp.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Karpus Management, Inc. | 2,339,016 | $24.7M | 0.80% | −1,269,161−35.2% | Reduced |
| Vivaldi Asset Management, LLC | 2,091,077 | $22.1M | 1.49% | −496,423−19.2% | Reduced |
| Meteora Capital, LLC | 1,926,999 | $20.3M | 3.80% | +1,926,999 | New |
| Picton Mahoney Asset Management | 1,875,000 | $19.8M | 0.28% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 1,625,000 | $17.1M | 0.13% | +1,625,000 | New |
| CNH Partners LLC | 1,585,119 | $16.7M | 0.39% | −25,000−1.6% | Reduced |
| D. E. Shaw & Co., Inc. | 1,423,125 | $15.0M | 0.01% | +185,625+15.0% | Added |
| HGC Investment Management Inc. | 1,375,000 | $14.5M | 4.03% | −1,100,000−44.4% | Reduced |
| MMCAP International Inc. SPC | 1,275,000 | $13.5M | 1.62% | −800,000−38.6% | Reduced |
| LMR Partners LLP | 1,225,000 | $12.9M | 0.20% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 1,174,996 | $12.4M | 0.31% | −500,000−29.9% | Reduced |
| Westchester Capital Management, LLC | 1,160,852 | $12.2M | 0.72% | 00.0% | Unchanged |
| Wealthspring Capital LLC | 1,059,042 | $11.2M | 2.95% | +849,783+406.1% | Added |
| Tenor Capital Management Co., L.P. | 750,000 | $7.80M | 0.11% | +750,000 | New |
| Two Sigma Investments, LP | 625,000 | $6.59M | 0.01% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 501,000 | $5.29M | 0.09% | +191,950+62.1% | Added |
| Aristeia Capital LLC | 490,750 | $5.18M | 0.15% | −9,250−1.8% | Reduced |
| Heights Capital Management, Inc | 459,501 | $4.85M | 1.52% | −499−0.1% | Reduced |
| Toronto Dominion Bank | 425,660 | $4.49M | 0.01% | +284,449+201.4% | Added |
| Rivernorth Capital Management, LLC | 421,842 | $4.45M | 0.25% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 412,264 | $4.35M | 0.02% | 00.0% | Unchanged |
| Mizuho Securities USA LLC | 307,200 | $3.21M | 0.07% | +307,200 | New |
| Berkley W R Corp | 297,992 | $3.14M | 0.19% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 295,938 | $3.12M | 0.01% | 00.0% | Unchanged |
| Deutsche Bank AG | 290,000 | $3.06M | 0.00% | 00.0% | Unchanged |
| Glazer Capital, LLC | 260,100 | $2.74M | 0.10% | −16,126−5.8% | Reduced |
| UBS Oconnor LLC | 250,000 | $2.64M | 0.07% | +250,000 | New |
| Jain Global LLC | 250,000 | $2.64M | 0.04% | +250,000 | New |
| Periscope Capital Inc. | 235,000 | $2.48M | 0.94% | +10,000+4.4% | Added |
| JPMorgan Chase & Co | 225,275 | $2.38M | 0.00% | +225,275 | New |
| Verition Fund Management LLC | 222,650 | $2.35M | 0.01% | +96,124+76.0% | Added |
| Moore Capital Management, LP | 200,000 | $2.11M | 0.04% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 147,743 | $1.56M | 0.12% | +147,743 | New |
| Goldman Sachs Group Inc | 137,424 | $1.45M | 0.00% | 00.0% | Unchanged |
| Quarry LP | 115,252 | $1.22M | 0.28% | +115,252 | New |
| Shaolin Capital Management LLC | 100,000 | $1.05M | 0.05% | +100,000 | New |
| The PNC Financial Services Group, Inc. | 80,000 | $844.0K | 0.00% | −80,000−50.0% | Reduced |
| Virtu Financial LLC | 58,731 | $620.0K | 0.03% | +58,731 | New |
| Dakota Wealth Management | 48,400 | $510.6K | 0.01% | 00.0% | Unchanged |
| Kepos Capital LP | 42,500 | $448.0K | 0.60% | 00.0% | Unchanged |
| Robinson Capital Management, LLC | 22,250 | $234.7K | 0.10% | 00.0% | Unchanged |
| Wellspring Financial Advisors, LLC | 21,200 | $223.7K | 0.02% | +3,200+17.8% | Added |
| Citadel Advisors LLC | 18,044 | $190.4K | 0.00% | +6,266+53.2% | Added |
| Bardin Hill Management Partners LP | 16,474 | $173.8K | 0.11% | +16,474 | New |
| Condor Capital Management | 11,518 | $121.5K | 0.01% | 00.0% | Unchanged |
| Clear Street LLC | 10,321 | $108.9K | 0.00% | +10,200+8,429.8% | Added |
| UBS Group AG | 8,033 | $84.7K | 0.00% | +3,883+93.6% | Added |
| Morgan Stanley | 135 | $1.42K | 0.00% | +103+321.9% | Added |
| Gritstone Asset Management LLC | 0 | $0 | 0.00% | −439,911−100.0% | Sold out |
| TrueMark Investments, LLC | 0 | $0 | 0.00% | −17,748−100.0% | Sold out |
| Schechter Investment Advisors, LLC | – | – | – | – | Not filed |
| Mizuho Securities USA LLC | – | – | – | – | Not filed |