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, Q1 2026
Institutional positions in GP-Act III Acquisition Corp. as of Mar 31, 2026. 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
- 0 vs. Q4 2025
- Shares held
- 12.9M
- −268.0K (−2.0%) vs. Q4 2025
- Total value
- $1.82M
- −$1.72M (−48.5%) vs. Q4 2025
- New holders
- 2
- 2 more added
- Sold out
- 2
- 10 more reduced
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding GP-Act III Acquisition Corp.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harraden Circle Investments, LLC | 1,520,737 | $213.2K | 0.04% | −116,568−7.1% | Reduced |
| Polar Asset Management Partners Inc. | 1,237,500 | $173.5K | 0.00% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 1,037,500 | $145.5K | 0.01% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 937,500 | $131.4K | 0.00% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 937,500 | $131.4K | 0.00% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 812,500 | $113.9K | 0.00% | 00.0% | Unchanged |
| Wealthspring Capital LLC | 763,964 | $107.1K | 0.03% | −21,125−2.7% | Reduced |
| LMR Partners LLP | 612,500 | $85.9K | 0.00% | 00.0% | Unchanged |
| Lineage Point Capital LP | 507,184 | $71.1K | 0.02% | +397,390+361.9% | Added |
| Shaolin Capital Management LLC | 499,349 | $70.0K | 0.00% | −18,617−3.6% | Reduced |
| Toronto Dominion Bank | 476,642 | $66.7K | 0.00% | +674+0.1% | Added |
| CNH Partners LLC | 457,602 | $64.2K | 0.00% | −5,571−1.2% | Reduced |
| CSS LLC | 441,672 | $61.9K | 0.00% | −96,985−18.0% | Reduced |
| Linden Advisors LP | 360,400 | $57.7K | 0.00% | 00.0% | Unchanged |
| Aristeia Capital LLC | 245,375 | $39.3K | 0.00% | 00.0% | Unchanged |
| Meteora Capital, LLC | 238,185 | $33.4K | 0.00% | −538,715−69.3% | Reduced |
| Rivernorth Capital Management, LLC | 225,599 | $31.6K | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 225,400 | $31.6K | 0.00% | −4,600−2.0% | Reduced |
| Saba Capital Management, L.P. | 193,229 | $30.9K | 0.00% | 00.0% | Unchanged |
| Gritstone Asset Management LLC | 217,248 | $30.5K | 0.03% | 00.0% | Unchanged |
| Periscope Capital Inc. | 210,700 | $29.5K | 0.01% | 00.0% | Unchanged |
| Clear Street Group Inc. | 198,794 | $27.9K | 0.00% | −700−0.4% | Reduced |
| Lepercq De Neuflize Asset Management LLC | 150,000 | $21.0K | 0.02% | +150,000 | New |
| K2 Principal Fund, L.P. | 121,798 | $17.1K | 0.00% | 00.0% | Unchanged |
| Moore Capital Management, LP | 100,000 | $14.0K | 0.00% | 00.0% | Unchanged |
| DLD Asset Management, LP | 90,500 | $12.7K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 30,923 | $4.33K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 18,105 | $2.54K | 0.00% | +18,105 | New |
| Radcliffe Capital Management, L.P. | 13,070 | $2.09K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 10,000 | $1.40K | 0.00% | −4,954−33.1% | Reduced |
| Longfellow Investment Management Co LLC | 3,900 | $547 | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 109 | – | – | −260−70.5% | Reduced |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −25,159−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −900−100.0% | Sold out |