GP-ACT III ACQUISITION CORP
CUSIP G4035N129
GP-Act III Acquisition Corp has 31 institutional holders in Filings Flow’s 13F database, together reporting 12.90M shares worth $2M as of Q1 2026. The largest reported holders are Cantor Fitzgerald, L. P., Harraden Circle Investments, LLC, and Polar Asset Management Partners Inc..
Institutional Holders
31
Q1 2026
Reported Value
$2M
Ticker
unmapped
private placement or foreign
Quarters Tracked
7
Ownership Trend
Institutional holders
Total reported value
Holders
··Mixed quarters
| Manager | % of Portfolio | Value | Shares | Quarter |
|---|---|---|---|---|
| CANTOR FITZGERALD, L. P.$6.8B AUM | 0.01% | $650,000 | 2.50M | Q3 2025OLDER |
| Harraden Circle Investments, LLC$499M AUM | 0.04% | $213,207 | 1.52M | Q1 2026 |
| Polar Asset Management Partners Inc.$5.0B AUM | 0.00% | $173,498 | 1.24M | Q1 2026 |
| MMCAP International Inc. SPC$1.2B AUM | 0.01% | $145,458 | 1.04M | Q1 2026 |
| PICTON MAHONEY ASSET MANAGEMENT$13.5B AUM | 0.00% | $131,438 | 937.5K | Q1 2026 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND$62.2B AUM | 0.00% | $131,438 | 937.5K | Q1 2026 |
| Alberta Investment Management Corp$16.7B AUM | 0.00% | $113,913 | 812.5K | Q1 2026 |
| Wealthspring Capital LLC$421M AUM | 0.03% | $107,108 | 764.0K | Q1 2026 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC$3.1B AUM | 0.00% | $93,123 | 358.2K | Q3 2025OLDER |
| LMR Partners LLP$45.4B AUM | 0.00% | $85,873 | 612.5K | Q1 2026 |
| Lineage Point Capital LP$409M AUM | 0.02% | $71,107 | 507.2K | Q1 2026 |
| Shaolin Capital Management LLC$2.7B AUM | 0.00% | $70,009 | 499.3K | Q1 2026 |
| TORONTO DOMINION BANK$69.7B AUM | 0.00% | $66,730 | 476.6K | Q1 2026 |
| AQR Arbitrage LLC$6.1B AUM | 0.00% | $64,156 | 457.6K | Q1 2026 |
| CSS LLC/IL$2.1B AUM | 0.00% | $61,922 | 441.7K | Q1 2026 |
| CLEAR STREET LLC$25.1B AUM | 0.00% | $61,905 | 199.7K | Q2 2025OLDER |
| LINDEN ADVISORS LP$17.9B AUM | 0.00% | $57,700 | 360.4K | Q1 2026 |
| ARISTEIA CAPITAL, L.L.C.$4.8B AUM | 0.00% | $39,285 | 245.4K | Q1 2026 |
| METEORA CAPITAL, LLC$1.4B AUM | 0.00% | $33,394 | 238.2K | Q1 2026 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC$2.0B AUM | 0.00% | $31,629 | 225.6K | Q1 2026 |
| Verition Fund Management LLC$15.4B AUM | 0.00% | $31,601 | 225.4K | Q1 2026 |
| Saba Capital Management, L.P.$3.6B AUM | 0.00% | $30,936 | 193.2K | Q1 2026 |
| GRITSTONE ASSET MANAGEMENT LLC$94M AUM | 0.03% | $30,458 | 217.2K | Q1 2026 |
| PERISCOPE CAPITAL INC.$902M AUM | 0.00% | $29,540 | 210.7K | Q1 2026 |
| Clear Street Group Inc.$24.6B AUM | 0.00% | $27,871 | 198.8K | Q1 2026 |
| HEIGHTS CAPITAL MANAGEMENT, INC$359M AUM | 0.01% | $24,798 | 95.4K | Q3 2025OLDER |
| Lepercq De Neuflize Asset Management LLC$138M AUM | 0.02% | $21,030 | 150.0K | Q1 2026 |
| K2 PRINCIPAL FUND, L.P.$1.4B AUM | 0.00% | $17,052 | 121.8K | Q1 2026 |
| MOORE CAPITAL MANAGEMENT, LP$4.9B AUM | 0.00% | $14,020 | 100.0K | Q1 2026 |
| DLD Asset Management, LP$1.1B AUM | 0.00% | $12,688 | 90.5K | Q1 2026 |
| Parallax Volatility Advisers, L.P.$38.6B AUM | 0.00% | $6,783 | 25.2K | Q4 2025OLDER |
| BNP PARIBAS FINANCIAL MARKETS$205.8B AUM | 0.00% | $4,335 | 30.9K | Q1 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM | 0.00% | $2,538 | 18.1K | Q1 2026 |
| Radcliffe Capital Management, L.P.$1.3B AUM | 0.00% | $2,093 | 13.1K | Q1 2026 |
| Schonfeld Strategic Advisors LLC$14.2B AUM | 0.00% | $1,402 | 10.0K | Q1 2026 |
| LONGFELLOW INVESTMENT MANAGEMENT CO LLC$480M AUM | 0.00% | $547 | 3.9K | Q1 2026 |
| UBS Group AG$666.3B AUM | 0.00% | $243 | 900 | Q4 2025OLDER |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC.$0 AUM | — | $0 | 0 | Q2 2025OLDER |
Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.