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, 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 | $96.2M |
| 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, 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 |
|---|---|---|---|---|---|
| Morgan Stanley | 135 | $1.42K | 0.00% | +103+321.9% | Added |
| UBS Group AG | 8,033 | $84.7K | 0.00% | +3,883+93.6% | Added |
| Clear Street LLC | 10,321 | $108.9K | 0.00% | +10,200+8,429.8% | Added |
| Condor Capital Management | 11,518 | $121.5K | 0.01% | 00.0% | Unchanged |
| Bardin Hill Management Partners LP | 16,474 | $173.8K | 0.11% | +16,474 | New |
| Citadel Advisors LLC | 18,044 | $190.4K | 0.00% | +6,266+53.2% | Added |
| Wellspring Financial Advisors, LLC | 21,200 | $223.7K | 0.02% | +3,200+17.8% | Added |
| Robinson Capital Management, LLC | 22,250 | $234.7K | 0.10% | 00.0% | Unchanged |
| Kepos Capital LP | 42,500 | $448.0K | 0.60% | 00.0% | Unchanged |
| Dakota Wealth Management | 48,400 | $510.6K | 0.01% | 00.0% | Unchanged |
| Virtu Financial LLC | 58,731 | $620.0K | 0.03% | +58,731 | New |
| The PNC Financial Services Group, Inc. | 80,000 | $844.0K | 0.00% | −80,000−50.0% | Reduced |
| Shaolin Capital Management LLC | 100,000 | $1.05M | 0.05% | +100,000 | New |
| Quarry LP | 115,252 | $1.22M | 0.28% | +115,252 | New |
| Goldman Sachs Group Inc | 137,424 | $1.45M | 0.00% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 147,743 | $1.56M | 0.12% | +147,743 | New |
| Moore Capital Management, LP | 200,000 | $2.11M | 0.04% | 00.0% | Unchanged |
| Verition Fund Management LLC | 222,650 | $2.35M | 0.01% | +96,124+76.0% | Added |
| JPMorgan Chase & Co | 225,275 | $2.38M | 0.00% | +225,275 | New |
| Periscope Capital Inc. | 235,000 | $2.48M | 0.94% | +10,000+4.4% | Added |
| UBS Oconnor LLC | 250,000 | $2.64M | 0.07% | +250,000 | New |
| Jain Global LLC | 250,000 | $2.64M | 0.04% | +250,000 | New |
| Glazer Capital, LLC | 260,100 | $2.74M | 0.10% | −16,126−5.8% | Reduced |
| Deutsche Bank AG | 290,000 | $3.06M | 0.00% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 295,938 | $3.12M | 0.01% | 00.0% | Unchanged |
| Berkley W R Corp | 297,992 | $3.14M | 0.19% | 00.0% | Unchanged |
| Mizuho Securities USA LLC | 307,200 | $3.21M | 0.07% | +307,200 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 412,264 | $4.35M | 0.02% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 421,842 | $4.45M | 0.25% | 00.0% | Unchanged |
| Toronto Dominion Bank | 425,660 | $4.49M | 0.01% | +284,449+201.4% | Added |
| Heights Capital Management, Inc | 459,501 | $4.85M | 1.52% | −499−0.1% | Reduced |
| Aristeia Capital LLC | 490,750 | $5.18M | 0.15% | −9,250−1.8% | Reduced |
| Wolverine Asset Management LLC | 501,000 | $5.29M | 0.09% | +191,950+62.1% | Added |
| Two Sigma Investments, LP | 625,000 | $6.59M | 0.01% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 750,000 | $7.80M | 0.11% | +750,000 | New |
| Wealthspring Capital LLC | 1,059,042 | $11.2M | 2.95% | +849,783+406.1% | Added |
| Westchester Capital Management, LLC | 1,160,852 | $12.2M | 0.72% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 1,174,996 | $12.4M | 0.31% | −500,000−29.9% | Reduced |
| LMR Partners LLP | 1,225,000 | $12.9M | 0.20% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 1,275,000 | $13.5M | 1.62% | −800,000−38.6% | Reduced |
| HGC Investment Management Inc. | 1,375,000 | $14.5M | 4.03% | −1,100,000−44.4% | Reduced |
| D. E. Shaw & Co., Inc. | 1,423,125 | $15.0M | 0.01% | +185,625+15.0% | Added |
| CNH Partners LLC | 1,585,119 | $16.7M | 0.39% | −25,000−1.6% | Reduced |
| Alberta Investment Management Corp | 1,625,000 | $17.1M | 0.13% | +1,625,000 | New |
| Picton Mahoney Asset Management | 1,875,000 | $19.8M | 0.28% | 00.0% | Unchanged |
| Meteora Capital, LLC | 1,926,999 | $20.3M | 3.80% | +1,926,999 | New |
| Vivaldi Asset Management, LLC | 2,091,077 | $22.1M | 1.49% | −496,423−19.2% | Reduced |
| Karpus Management, Inc. | 2,339,016 | $24.7M | 0.80% | −1,269,161−35.2% | Reduced |
| 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 |