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 |
|---|---|---|---|---|---|
| UBS Group AG | 900 | $243 | 0.00% | +627+229.7% | Added |
| Longfellow Investment Management Co LLC | 3,900 | $1.05K | 0.00% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 13,070 | $3.34K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 14,954 | $4.03K | 0.00% | −46−0.3% | Reduced |
| Parallax Volatility Advisers, L.P. | 25,159 | $6.78K | 0.00% | +25,159 | New |
| BNP Paribas Arbitrage, SA | 30,923 | $8.34K | 0.00% | 00.0% | Unchanged |
| DLD Asset Management, LP | 90,500 | $24.4K | 0.00% | +90,500 | New |
| Moore Capital Management, LP | 100,000 | $27.0K | 0.00% | 00.0% | Unchanged |
| Lineage Point Capital LP | 109,794 | $29.6K | 0.01% | +109,794 | New |
| K2 Principal Fund, L.P. | 121,798 | $32.9K | 0.00% | 00.0% | Unchanged |
| Saba Capital Management, L.P. | 193,229 | $52.1K | 0.00% | 00.0% | Unchanged |
| Clear Street Group Inc. | 199,494 | $53.8K | 0.00% | −100−0.1% | Reduced |
| Periscope Capital Inc. | 210,700 | $56.8K | 0.01% | +25,000+13.5% | Added |
| Gritstone Asset Management LLC | 217,248 | $58.6K | 0.06% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 225,599 | $60.8K | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 230,000 | $62.0K | 0.00% | −23,710−9.3% | Reduced |
| Aristeia Capital LLC | 245,375 | $62.8K | 0.00% | 00.0% | Unchanged |
| Linden Advisors LP | 360,400 | $92.4K | 0.00% | 00.0% | Unchanged |
| CNH Partners LLC | 463,173 | $124.9K | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 475,968 | $128.5K | 0.00% | +250,968+111.5% | Added |
| Shaolin Capital Management LLC | 517,966 | $139.6K | 0.01% | +67,909+15.1% | Added |
| CSS LLC | 538,657 | $145.2K | 0.01% | −291,800−35.1% | Reduced |
| LMR Partners LLP | 612,500 | $165.1K | 0.00% | 00.0% | Unchanged |
| Meteora Capital, LLC | 776,900 | $209.5K | 0.02% | −83,402−9.7% | Reduced |
| Wealthspring Capital LLC | 785,089 | $211.7K | 0.05% | −2,900−0.4% | Reduced |
| Alberta Investment Management Corp | 812,500 | $219.1K | 0.00% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 937,500 | $252.8K | 0.00% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 937,500 | $252.8K | 0.00% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 1,037,500 | $279.7K | 0.03% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 1,237,500 | $333.6K | 0.01% | 00.0% | Unchanged |
| Harraden Circle Investments, LLC | 1,637,305 | $441.4K | 0.08% | +290,166+21.5% | 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 |