Alberta Investment Management Corp (AIMCo)’s GP-Act III Acquisition Corp GPAT Stock Holding History

Alberta Investment Management Corp (AIMCo)’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	$10.9M	Sell	1,000,000 -625,000	-38%	-$6.78M	0.06%	193
2026 Q1	$17.6M	Hold	1,625,000	–	–	0.11%	123
2025 Q4	$17.4M	Hold	1,625,000	–	–	0.1%	141
2025 Q3	$17.2M	Hold	1,625,000	–	–	0.12%	117
2025 Q2	$17.1M	Buy	+1,625,000	New	+$17M	0.13%	110

Other funds holding GPAT

MSU

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

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

LIM

Longfellow Investment Management Boston, Massachusetts $489M AUM 9.58% 1-Year Est. Return

Alberta Investment Management Corp (AIMCo)'s GPAT Position: Q2 2026 in Review

Alberta Investment Management Corp (AIMCo) reduced its GP-Act III Acquisition Corp (GPAT) stake by 38% in Q2 2026, selling an estimated $6.78M and leaving 1,000,000 shares worth $10.9M. The position accounts for 0.06% of the portfolio, ranked #193.

Alberta Investment Management Corp (AIMCo) first reported a position in GPAT in Q2 2025 and has held it in 5 quarters since. The position peaked at $17.6M in Q1 2026. 4 funds tracked by Wall St. Rank hold GPAT as of Q2 2026.

Alberta Investment Management Corp (AIMCo) held 1,000,000 shares of GP-Act III Acquisition Corp worth $10.9M as of Q2 2026.
Alberta Investment Management Corp (AIMCo) sold 625,000 GP-Act III Acquisition Corp shares in Q2 2026, an estimated $6.78M.
GP-Act III Acquisition Corp made up 0.06% of Alberta Investment Management Corp (AIMCo)'s portfolio in Q2 2026, its #193 holding.
Alberta Investment Management Corp (AIMCo) first reported a position in GP-Act III Acquisition Corp in Q2 2025 and has held it in 5 quarters since.
Alberta Investment Management Corp (AIMCo)'s GP-Act III Acquisition Corp position peaked at $17.6M in Q1 2026.
4 funds tracked by Wall St. Rank held GP-Act III Acquisition Corp as of Q2 2026.

Based on Alberta Investment Management Corp (AIMCo)'s 13F filing for Q2 2026, filed 6 Aug 2026.