GP-Act III Acquisition-AGPAT
13F holders, Q1 2026 (March 31)51holders −1
4new positions
4sold out
2famous investors
$10.84avg. 13F price*
At the end of Q1 2026, 51 institutions reported holding GP-Act III Acquisition-A (GPAT) in their 13F filings, down 1 from Q4 2025. 4 opened new positions and 4 sold out. The largest holders were Karpus Management, Inc. ($24.2M), First Trust Capital Management L.P. ($22.7M) and Alberta Investment Management Corp ($17.6M). 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 Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $7.2M |
| Exits | 4 | $4.8M |
All 13F filers, Q4 2025 → Q1 2026: 1,989,639 shares bought and 4,028,061 shares sold, net −2,038,422 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 51 holders
| Karpus Management, Inc. | 0.75% | Reduce -4.4% | 2,230,216 | $24.2M |
| First Trust Capital Management L.P. | 1.19% | No change | 2,091,077 | $22.7M |
| Alberta Investment Management Corp | 0.12% | No change | 1,625,000 | $17.6M |
| AQR Arbitrage LLC | 0.34% | Add +0.0% | 1,576,803 | $17.1M |
| D. E. Shaw & Co. | 0.01% | No change | 1,423,125 | $15.4M |
| Picton Mahoney Asset Management | 0.16% | Reduce -26.7% | 1,375,000 | $14.9M |
| MMCAP International Inc. SPC | 1.21% | No change | 1,275,000 | $13.8M |
| LMR Partners LLP | 0.16% | No change | 1,225,000 | $13.3M |
| Polar Asset Management Partners Inc. | 0.41% | No change | 1,174,996 | $12.7M |
| Wealthspring Capital LLC | 2.63% | Reduce -1.1% | 1,006,939 | $10.9M |
| Westchester Capital Management, LLC | 0.45% | Reduce -36.7% | 860,852 | $9.3M |
| Berkley W R Corp. | 0.49% | Add +171.2% | 846,823 | $9.2M |
| Linden Advisors LP | 0.50% | No change | 797,584 | $8.6M |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 0.55% | No change | 750,000 | $8.1M |
| Wolverine Asset Management LLC | 0.43% | Reduce -21.7% | 745,440 | $8.1M |
| Toronto Dominion Bank | 0.01% | Add +58.9% | 635,465 | $6.9M |
| Two Sigma Investments, LP | 0.01% | No change | 625,000 | $6.8M |
| Radcliffe Capital Management, L.P. | 0.76% | Add +8.7% | 623,267 | $6.8M |
| L1 Global Manager Pty Ltd | 4.97% | No change | 567,566 | $6.2M |
| JPMorgan Chase & Co. | 0.00% | Add +1003.9% | 549,898 | $5.9M |
| Aristeia Capital, L.L.C. | 0.21% | No change | 490,750 | $5.3M |
| Highbridge Capital Management LLC | 0.47% | New | 452,072 | $4.9M |
| Heights Capital Management, Inc. | 1.19% | Reduce -6.6% | 388,719 | $4.2M |
| Rivernorth Capital Management, LLC | 0.20% | Reduce -14.3% | 360,013 | $3.9M |
| Meteora Capital, LLC | 0.28% | Reduce -15.9% | 343,722 | $3.7M |
| Deutsche Bank AG | 0.00% | No change | 290,000 | $3.1M |
| Periscope Capital Inc. | 0.49% | Reduce -27.3% | 250,000 | $2.7M |
| O'Connor Alternative Investments LLC | 0.15% | — | 250,000 | $2.7M |
| Jain Global LLC | 0.04% | Reduce -0.0% | 249,980 | $2.7M |
| Glazer Capital, LLC | 0.06% | Reduce -5.5% | 236,227 | $2.6M |
| Verition Fund Management LLC | 0.03% | Reduce -0.7% | 227,588 | $2.5M |
| Sona Asset Management (us) LLC | 0.12% | New | 200,000 | $2.2M |
| Moore Capital Management, LP | 0.09% | No change | 200,000 | $2.2M |
| Goldman Sachs Group Inc. | 0.00% | No change | 137,739 | $1.5M |
| PNC Financial Services Group, Inc. | 0.00% | No change | 80,000 | $867K |
| Lineage Point Capital LP | 0.17% | No change | 65,000 | $705K |
| Mizuho Securities USA LLC | 0.02% | Reduce -81.2% | 60,098 | $649K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | Reduce -86.9% | 53,900 | $584K |
| Dakota Wealth Management | 0.01% | Reduce -4.1% | 46,400 | $503K |
| Kepos Capital LP | 0.77% | No change | 42,500 | $461K |
| Robinson Capital Management, LLC | 0.11% | No change | 22,250 | $240K |
| Wellspring Financial Advisors, LLC | 0.02% | No change | 21,200 | $230K |
| Citadel Advisors | 0.00% | Add +15.2% | 17,172 | $186K |
| Cannon Global Investment Management, LLC | 0.44% | Add +15.2% | 16,700 | $181K |
| TrueMark Investments, LLC | 0.03% | No change | 16,017 | $174K |
| Geode Capital Management, LLC | 0.00% | New | 11,395 | $124K |
| Clear Street Group Inc. | 0.00% | No change | 10,321 | $112K |
| Longfellow Investment Management Co. LLC | 0.02% | No change | 7,800 | $85K |
| Royal Bank of Canada | 0.00% | New | 900 | $10K |
| UBS Group AG | 0.00% | Reduce -91.7% | 186 | $2K |
| Morgan Stanley | 0.00% | Reduce -19.0% | 64 | $694 |
"% 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.