GP-Act III Acquisition Corp.
GPAT- 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; 24 institutions reported holding it in 13F filings for Q2 2026, worth $96.2M in total; no superinvestor holds it.
Q1 2026 vs. Q4 2025
How the institutions holding GP-Act III Acquisition Corp. changed between Q4 2025 and Q1 2026.
All holders in Q1 2026All holders in Q4 2025
| Measure | Q4 2025 | Of which not filed for Q1 2026 | Q1 2026 | Change |
|---|---|---|---|---|
| Holders | 52 | 1 | 51 | 0 |
| Shares | 28.6M | 250.0K | 26.6M | −1.79M (−6.3%) |
| Value | $305.7M | $2.67M | $287.8M | −$15.2M (−5.0%) |
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (5)
Institutions that held GP-Act III Acquisition Corp. at the end of Q1 2026 but not at the end of Q4 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Highbridge Capital Management LLC | 452,072 | $4.89M | 0.31% |
| O'Connor Alternative Investments LLC | 250,000 | $2.71M | 0.14% |
| Sona Asset Management (US) LLC | 200,000 | $2.17M | 0.08% |
| Geode Capital Management, LLC | 11,395 | $123.5K | 0.00% |
| Royal Bank of Canada | 900 | $10.0K | 0.00% |
Sold out (5)
Institutions that held GP-Act III Acquisition Corp. at the end of Q4 2025 and filed for Q1 2026 without it.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| HGC Investment Management Inc. | 1,375,000 | $14.7M |
| Healthcare of Ontario Pension Plan Trust Fund | 295,938 | $3.17M |
| Shaolin Capital Management LLC | 125,000 | $1.34M |
| Schonfeld Strategic Advisors LLC | 18,053 | $193.0K |
| Condor Capital Management | 10,632 | $113.7K |
Not filed for Q1 2026 yet (1)
Institutions that held GP-Act III Acquisition Corp. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| UBS Oconnor LLC | 250,000 | $2.67M |