GP-Act III Acquisition Corp.
GPATW- 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; 32 institutions reported holding it in 13F filings for Q2 2026, worth $2.54M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in GP-Act III Acquisition Corp. as of Dec 31, 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
- 32
- +1 vs. Q3 2025
- Shares held
- 13.2M
- −2.14M (−14.0%) vs. Q3 2025
- Total value
- $3.54M
- −$529.5K (−13.0%) vs. Q3 2025
- New holders
- 4
- 5 more added
- Sold out
- 3
- 6 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GPATW 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 | 32 | $2.54M |
| Q1 2026 | 32 | $1.82M |
| Q4 2025 | 32 | $3.54M |
| Q3 2025 | 31 | $4.07M |
| Q2 2025 | 28 | $4.94M |
| Q1 2025 | 27 | $3.00M |
| Q4 2024 | 29 | $2.23M |
| Q3 2024 | 28 | $1.62M |
| 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, Q4 2025
Shares, value and share of portfolio for each institution holding GP-Act III Acquisition Corp.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harraden Circle Investments, LLC | 1,637,305 | $441.4K | 0.08% | +290,166+21.5% | Added |
| Polar Asset Management Partners Inc. | 1,237,500 | $333.6K | 0.01% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 1,037,500 | $279.7K | 0.03% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 937,500 | $252.8K | 0.00% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 937,500 | $252.8K | 0.00% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 812,500 | $219.1K | 0.00% | 00.0% | Unchanged |
| Wealthspring Capital LLC | 785,089 | $211.7K | 0.05% | −2,900−0.4% | Reduced |
| Meteora Capital, LLC | 776,900 | $209.5K | 0.02% | −83,402−9.7% | Reduced |
| LMR Partners LLP | 612,500 | $165.1K | 0.00% | 00.0% | Unchanged |
| CSS LLC | 538,657 | $145.2K | 0.01% | −291,800−35.1% | Reduced |
| Shaolin Capital Management LLC | 517,966 | $139.6K | 0.01% | +67,909+15.1% | Added |
| Toronto Dominion Bank | 475,968 | $128.5K | 0.00% | +250,968+111.5% | Added |
| CNH Partners LLC | 463,173 | $124.9K | 0.00% | 00.0% | Unchanged |
| Linden Advisors LP | 360,400 | $92.4K | 0.00% | 00.0% | Unchanged |
| Aristeia Capital LLC | 245,375 | $62.8K | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 230,000 | $62.0K | 0.00% | −23,710−9.3% | Reduced |
| Rivernorth Capital Management, LLC | 225,599 | $60.8K | 0.00% | 00.0% | Unchanged |
| Gritstone Asset Management LLC | 217,248 | $58.6K | 0.06% | 00.0% | Unchanged |
| Periscope Capital Inc. | 210,700 | $56.8K | 0.01% | +25,000+13.5% | Added |
| Clear Street Group Inc. | 199,494 | $53.8K | 0.00% | −100−0.1% | Reduced |
| Saba Capital Management, L.P. | 193,229 | $52.1K | 0.00% | 00.0% | Unchanged |
| K2 Principal Fund, L.P. | 121,798 | $32.9K | 0.00% | 00.0% | Unchanged |
| Lineage Point Capital LP | 109,794 | $29.6K | 0.01% | +109,794 | New |
| Moore Capital Management, LP | 100,000 | $27.0K | 0.00% | 00.0% | Unchanged |
| DLD Asset Management, LP | 90,500 | $24.4K | 0.00% | +90,500 | New |
| BNP Paribas Arbitrage, SA | 30,923 | $8.34K | 0.00% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 25,159 | $6.78K | 0.00% | +25,159 | New |
| Schonfeld Strategic Advisors LLC | 14,954 | $4.03K | 0.00% | −46−0.3% | Reduced |
| Radcliffe Capital Management, L.P. | 13,070 | $3.34K | 0.00% | 00.0% | Unchanged |
| Longfellow Investment Management Co LLC | 3,900 | $1.05K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 900 | $243 | 0.00% | +627+229.7% | Added |
| National Bank of Canada | 369 | – | – | +369 | New |
| Cantor Fitzgerald, L. P. | 0 | $0 | 0.00% | −2,500,000−100.0% | Sold out |
| Highbridge Capital Management LLC | 0 | $0 | 0.00% | – | Sold out |
| Heights Capital Management, Inc | 0 | $0 | 0.00% | −95,375−100.0% | Sold out |