W.R. Berkley Corp’s GP-Act III Acquisition Corp GPAT Stock Holding History

W.R. Berkley Corp’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	$5.41M	Sell	497,064 -349,759	-41%	-$3.79M	0.25%	80
2026 Q1	$9.18M	Buy	846,823 +534,533	+171%	+$5.75M	0.49%	40
2025 Q4	$3.34M	Buy	312,290 +14,298	+5%	+$152K	0.16%	105
2025 Q3	$3.16M	Hold	297,992	–	–	0.18%	101
2025 Q2	$3.14M	Hold	297,992	–	–	0.16%	113
2025 Q1	$3.07M	Hold	297,992	–	–	0.18%	85
2024 Q4	$3.02M	Hold	297,992	–	–	0.12%	73
2024 Q3	$3M	Buy	+297,992	New	+$2.99M	0.17%	71

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

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

W.R. Berkley Corp's GPAT Position: Q2 2026 in Review

W.R. Berkley Corp reduced its GP-Act III Acquisition Corp (GPAT) stake by 41% in Q2 2026, selling an estimated $3.79M and leaving 497,064 shares worth $5.41M. The position accounts for 0.25% of the portfolio, ranked #80.

W.R. Berkley Corp first reported a position in GPAT in Q3 2024 and has held it in 8 quarters since. The position peaked at $9.18M in Q1 2026. 24 funds tracked by Wall St. Rank hold GPAT as of Q2 2026.

W.R. Berkley Corp held 497,064 shares of GP-Act III Acquisition Corp worth $5.41M as of Q2 2026.
W.R. Berkley Corp sold 349,759 GP-Act III Acquisition Corp shares in Q2 2026, an estimated $3.79M.
GP-Act III Acquisition Corp made up 0.25% of W.R. Berkley Corp's portfolio in Q2 2026, its #80 holding.
W.R. Berkley Corp first reported a position in GP-Act III Acquisition Corp in Q3 2024 and has held it in 8 quarters since.
W.R. Berkley Corp's GP-Act III Acquisition Corp position peaked at $9.18M in Q1 2026.
24 funds tracked by Wall St. Rank held GP-Act III Acquisition Corp as of Q2 2026.

Based on W.R. Berkley Corp's 13F filing for Q2 2026, filed 14 Aug 2026.