LMR Partners’s GP-Act III Acquisition Corp GPAT Stock Holding History

LMR 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	–	Sell	-1,225,000	Closed	-$13.3M	–	1851
2026 Q1	$13.3M	Hold	1,225,000	–	–	0.03%	325
2025 Q4	$13.1M	Hold	1,225,000	–	–	0.02%	286
2025 Q3	$13M	Hold	1,225,000	–	–	0.06%	256
2025 Q2	$12.9M	Hold	1,225,000	–	–	0.09%	220
2025 Q1	$12.6M	Hold	1,225,000	–	–	0.12%	196
2024 Q4	$12.4M	Buy	+1,225,000	New	+$12.4M	0.1%	195

Other funds holding GPAT

PAMP

Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return

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

LMR Partners's GPAT Position: Q2 2026 in Review

LMR Partners sold out of GP-Act III Acquisition Corp (GPAT) in Q2 2026, closing a stake of 1,225,000 shares — an estimated $13.3M sold.

LMR Partners first reported a position in GPAT in Q4 2024 and held it in 6 quarters. The position peaked at $13.3M in Q1 2026. 24 funds tracked by Wall St. Rank hold GPAT as of Q2 2026.

LMR Partners reported no remaining GP-Act III Acquisition Corp position as of Q2 2026 after selling out during the quarter.
LMR Partners sold 1,225,000 GP-Act III Acquisition Corp shares in Q2 2026, an estimated $13.3M.
LMR Partners first reported a position in GP-Act III Acquisition Corp in Q4 2024 and held it in 6 quarters.
LMR Partners's GP-Act III Acquisition Corp position peaked at $13.3M in Q1 2026.
24 funds tracked by Wall St. Rank held GP-Act III Acquisition Corp as of Q2 2026.

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