GP-Act III Acquisition-AGPAT
13F holders, Q3 2025 (September 30)52holders +4
6new positions
2sold out
2famous investors
$10.60avg. 13F price*
At the end of Q3 2025, 52 institutions reported holding GP-Act III Acquisition-A (GPAT) in their 13F filings, up 4 from Q2 2025. 6 opened new positions and 2 sold out. The largest holders were Karpus Management, Inc. ($24.5M), First Trust Capital Management L.P. ($22.2M) and Picton Mahoney Asset Management ($19.9M). 2 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- GP-Act III Acquisition-A
- CUSIP
- G4035N103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $9.1M |
| Exits | 2 | $794K |
All 13F filers, Q2 2025 → Q3 2025: 2,393,139 shares bought and 2,242,770 shares sold, net +150,369 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 52 holders
| Karpus Management, Inc. | 0.77% | Reduce -1.4% | 2,306,816 | $24.5M |
| First Trust Capital Management L.P. | 1.43% | No change | 2,091,077 | $22.2M |
| Picton Mahoney Asset Management | 0.26% | No change | 1,875,000 | $19.9M |
| Alberta Investment Management Corp | 0.14% | No change | 1,625,000 | $17.2M |
| AQR Arbitrage LLC | 0.59% | Reduce -0.6% | 1,576,119 | $16.7M |
| D. E. Shaw & Co. | 0.01% | No change | 1,423,125 | $15.1M |
| HGC Investment Management Inc. | 3.58% | No change | 1,375,000 | $14.6M |
| MMCAP International Inc. SPC | 1.61% | No change | 1,275,000 | $13.5M |
| LMR Partners LLP | 0.25% | No change | 1,225,000 | $13.0M |
| Polar Asset Management Partners Inc. | 0.36% | No change | 1,174,996 | $12.5M |
| Westchester Capital Management, LLC | 0.61% | Reduce -4.3% | 1,110,852 | $11.8M |
| Wealthspring Capital LLC | 2.66% | Reduce -2.6% | 1,031,863 | $10.9M |
| Wolverine Asset Management LLC | 0.71% | Add +90.6% | 954,866 | $10.1M |
| Toronto Dominion Bank | 0.02% | Add +102.4% | 861,649 | $9.1M |
| Linden Advisors LP | 0.80% | New | 797,584 | $8.5M |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 0.86% | No change | 750,000 | $8.0M |
| Two Sigma Investments, LP | 0.01% | No change | 625,000 | $6.6M |
| Radcliffe Capital Management, L.P. | 1.24% | Add +287.8% | 572,895 | $6.1M |
| Aristeia Capital, L.L.C. | 0.27% | No change | 490,750 | $5.2M |
| Heights Capital Management, Inc. | 1.48% | Reduce -8.3% | 421,175 | $4.5M |
| Rivernorth Capital Management, LLC | 0.26% | Reduce -0.2% | 420,932 | $4.5M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.02% | No change | 412,264 | $4.4M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.12% | Add +40.0% | 350,000 | $3.7M |
| Periscope Capital Inc. | 0.93% | Add +46.4% | 344,000 | $3.6M |
| Berkley W R Corp. | 0.21% | No change | 297,992 | $3.2M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | No change | 295,938 | $3.1M |
| Deutsche Bank AG | 0.00% | No change | 290,000 | $3.1M |
| Glazer Capital, LLC | 0.10% | No change | 260,100 | $2.8M |
| Meteora Capital, LLC | 0.29% | Reduce -87.0% | 251,030 | $2.7M |
| Jain Global LLC | 0.04% | No change | 250,000 | $2.6M |
| Verition Fund Management LLC | 0.01% | Add +2.2% | 227,624 | $2.4M |
| Moore Capital Management, LP | 0.04% | No change | 200,000 | $2.1M |
| Mizuho Securities USA LLC | 0.04% | Reduce -34.9% | 200,000 | $2.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +0.3% | 137,823 | $1.5M |
| Shaolin Capital Management LLC | 0.20% | No change | 100,000 | $1.1M |
| PNC Financial Services Group, Inc. | 0.00% | No change | 80,000 | $848K |
| Quarry LP | 0.18% | Reduce -43.6% | 64,977 | $689K |
| JPMorgan Chase & Co. | 0.00% | Reduce -77.9% | 49,734 | $527K |
| Dakota Wealth Management | 0.01% | No change | 48,400 | $513K |
| Kepos Capital LP | 2.65% | No change | 42,500 | $451K |
| Robinson Capital Management, LLC | 0.17% | No change | 22,250 | $236K |
| Wellspring Financial Advisors, LLC | 0.02% | No change | 21,200 | $225K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 19,191 | $203K |
| Citadel Advisors | 0.00% | Add +4.0% | 18,766 | $199K |
| TrueMark Investments, LLC | 0.03% | New | 16,838 | $178K |
| UBS Group AG | 0.00% | Add +38.9% | 11,157 | $118K |
| Condor Capital Management | 0.01% | Reduce -7.7% | 10,632 | $113K |
| Cannon Global Investment Management, LLC | 0.28% | New | 10,500 | $111K |
| Clear Street Group Inc. | 0.00% | — | 10,321 | $109K |
| Bank of America Corp. | 0.00% | New | 8,000 | $85K |
| Longfellow Investment Management Co. LLC | 0.02% | New | 7,800 | $83K |
| Morgan Stanley | 0.00% | Reduce -58.5% | 56 | $594 |
"% of holder's portfolio" is GPAT's weight in each manager's 13F, not the share of GP-Act III Acquisition-A the manager owns.