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, Q3 2025
Institutional positions in GP-Act III Acquisition Corp. as of Sep 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
- 52
- +5 vs. Q2 2025
- Shares held
- 28.0M
- +160.7K (+0.6%) vs. Q2 2025
- Total value
- $297.2M
- +$3.22M (+1.1%) vs. Q2 2025
- New holders
- 7
- 9 more added
- Sold out
- 2
- 12 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding GP-Act III Acquisition Corp.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Morgan Stanley | 56 | $594 | 0.00% | −79−58.5% | Reduced |
| Longfellow Investment Management Co LLC | 7,800 | $82.7K | 0.02% | +7,800 | New |
| Bank of America Corp | 8,000 | $84.8K | 0.00% | +8,000 | New |
| Clear Street Group Inc. | 10,321 | $109.4K | 0.00% | +10,321 | New |
| Cannon Global Investment Management, LLC | 10,500 | $111.3K | 0.28% | +10,500 | New |
| Condor Capital Management | 10,632 | $112.7K | 0.01% | −886−7.7% | Reduced |
| UBS Group AG | 11,157 | $118.3K | 0.00% | +3,124+38.9% | Added |
| TrueMark Investments, LLC | 16,838 | $178.5K | 0.03% | +16,838 | New |
| Citadel Advisors LLC | 18,766 | $198.9K | 0.00% | +722+4.0% | Added |
| Schonfeld Strategic Advisors LLC | 19,191 | $203.4K | 0.00% | +19,191 | New |
| Wellspring Financial Advisors, LLC | 21,200 | $224.7K | 0.02% | 00.0% | Unchanged |
| Robinson Capital Management, LLC | 22,250 | $235.8K | 0.17% | 00.0% | Unchanged |
| Kepos Capital LP | 42,500 | $451.0K | 2.40% | 00.0% | Unchanged |
| Dakota Wealth Management | 48,400 | $513.0K | 0.01% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 49,734 | $527.2K | 0.00% | −175,541−77.9% | Reduced |
| Quarry LP | 64,977 | $688.8K | 0.17% | −50,275−43.6% | Reduced |
| The PNC Financial Services Group, Inc. | 80,000 | $848.0K | 0.00% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 100,000 | $1.06M | 0.05% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 137,823 | $1.46M | 0.00% | +399+0.3% | Added |
| Mizuho Securities USA LLC | 200,000 | $2.10M | 0.04% | −107,200−34.9% | Reduced |
| Moore Capital Management, LP | 200,000 | $2.12M | 0.04% | 00.0% | Unchanged |
| Verition Fund Management LLC | 227,624 | $2.41M | 0.01% | +4,974+2.2% | Added |
| Jain Global LLC | 250,000 | $2.65M | 0.03% | 00.0% | Unchanged |
| Meteora Capital, LLC | 251,030 | $2.66M | 0.28% | −1,675,969−87.0% | Reduced |
| Glazer Capital, LLC | 260,100 | $2.76M | 0.09% | 00.0% | Unchanged |
| Deutsche Bank AG | 290,000 | $3.07M | 0.00% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 295,938 | $3.14M | 0.01% | 00.0% | Unchanged |
| Berkley W R Corp | 297,992 | $3.16M | 0.20% | 00.0% | Unchanged |
| Periscope Capital Inc. | 344,000 | $3.65M | 0.89% | +109,000+46.4% | Added |
| UBS Oconnor LLC | 350,000 | $3.71M | 0.11% | +100,000+40.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 412,264 | $4.37M | 0.02% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 420,932 | $4.46M | 0.25% | −910−0.2% | Reduced |
| Heights Capital Management, Inc | 421,175 | $4.46M | 1.42% | −38,326−8.3% | Reduced |
| Aristeia Capital LLC | 490,750 | $5.20M | 0.16% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 572,895 | $6.07M | 0.38% | +425,152+287.8% | Added |
| Two Sigma Investments, LP | 625,000 | $6.63M | 0.01% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 750,000 | $7.95M | 0.10% | 00.0% | Unchanged |
| Linden Advisors LP | 797,584 | $8.45M | 0.06% | +797,584 | New |
| Toronto Dominion Bank | 861,649 | $9.13M | 0.02% | +435,989+102.4% | Added |
| Wolverine Asset Management LLC | 954,866 | $10.1M | 0.15% | +453,866+90.6% | Added |
| Wealthspring Capital LLC | 1,031,863 | $10.9M | 2.60% | −27,179−2.6% | Reduced |
| Westchester Capital Management, LLC | 1,110,852 | $11.8M | 0.61% | −50,000−4.3% | Reduced |
| Polar Asset Management Partners Inc. | 1,174,996 | $12.5M | 0.25% | 00.0% | Unchanged |
| LMR Partners LLP | 1,225,000 | $13.0M | 0.17% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 1,275,000 | $13.5M | 1.57% | 00.0% | Unchanged |
| HGC Investment Management Inc. | 1,375,000 | $14.6M | 3.55% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 1,423,125 | $15.1M | 0.01% | 00.0% | Unchanged |
| CNH Partners LLC | 1,576,119 | $16.7M | 0.42% | −9,000−0.6% | Reduced |
| Alberta Investment Management Corp | 1,625,000 | $17.2M | 0.13% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 1,875,000 | $19.9M | 0.25% | 00.0% | Unchanged |
| Vivaldi Asset Management, LLC | 2,091,077 | $22.2M | 1.43% | 00.0% | Unchanged |
| Karpus Management, Inc. | 2,306,816 | $24.5M | 0.77% | −32,200−1.4% | Reduced |
| Virtu Financial LLC | 0 | $0 | 0.00% | −58,731−100.0% | Sold out |
| Bardin Hill Management Partners LP | 0 | $0 | 0.00% | −16,474−100.0% | Sold out |
| Clear Street LLC | – | – | – | – | Not filed |