Polar Asset Management Partners’s GP-Act III Acquisition Corp GPAT Stock Holding History

Polar Asset Management Partners’s Portfolio GPAT Stock Details GPAT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$19.6M	Buy	1,800,000 +625,004	+53%	+$6.78M	0.32%	66
2026 Q1	$12.7M	Hold	1,174,996	–	–	0.25%	80
2025 Q4	$12.6M	Hold	1,174,996	–	–	0.16%	113
2025 Q3	$12.5M	Hold	1,174,996	–	–	0.14%	119
2025 Q2	$12.4M	Sell	1,174,996 -500,000	-30%	-$5.23M	0.19%	88
2025 Q1	$17.3M	Hold	1,674,996	–	–	0.4%	53
2024 Q4	$17M	Hold	1,674,996	–	–	0.2%	95
2024 Q3	$16.9M	Buy	+1,674,996	New	+$16.8M	0.36%	66

Other funds holding GPAT

AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return

MMCAP International Grand Cayman, Cayman Islands $1.18B AUM 50.44% 1-Year Est. Return

AIMCA

Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $17.9B AUM 27.56% 1-Year Est. Return

MSU

Mizuho Securities USA New York $6.2B AUM 35.46% 1-Year Est. Return

WRBC

W.R. Berkley Corp Greenwich, Connecticut $2.18B AUM 13.58% 1-Year Est. Return

Verition Fund Management Greenwich, Connecticut $19.7B AUM 39.39% 1-Year Est. Return

HIM

HGC Investment Management Toronto, Ontario, Canada $507M AUM 6.15% 1-Year Est. Return

Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $86.4B AUM 59.51% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return

PMAM

Picton Mahoney Asset Management Toronto, Ontario, Canada $13.5B AUM 51.46% 1-Year Est. Return

Polar Asset Management Partners's GPAT Position: Q2 2026 in Review

Polar Asset Management Partners increased its GP-Act III Acquisition Corp (GPAT) stake by 53% in Q2 2026, buying an estimated $6.78M and bringing the position to 1,800,000 shares worth $19.6M. The position accounts for 0.32% of the portfolio, ranked #66.

Polar Asset Management Partners first reported a position in GPAT in Q3 2024 and has held it in 8 quarters since. 24 funds tracked by Wall St. Rank hold GPAT as of Q2 2026.

Polar Asset Management Partners held 1,800,000 shares of GP-Act III Acquisition Corp worth $19.6M as of Q2 2026.
Polar Asset Management Partners bought 625,004 GP-Act III Acquisition Corp shares in Q2 2026, an estimated $6.78M.
GP-Act III Acquisition Corp made up 0.32% of Polar Asset Management Partners's portfolio in Q2 2026, its #66 holding.
Polar Asset Management Partners first reported a position in GP-Act III Acquisition Corp in Q3 2024 and has held it in 8 quarters since.
24 funds tracked by Wall St. Rank held GP-Act III Acquisition Corp as of Q2 2026.

Based on Polar Asset Management Partners's 13F filing for Q2 2026, filed 14 Aug 2026.