Westchester Capital Management (New York)’s AA Mission Acquisition Corp AAM Stock Holding History

Westchester Capital Management (New York)’s Portfolio AAM Stock Details AAM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-2,701,172	Closed	-$28.8M	–	337
2025 Q4	$28.8M	Hold	2,701,172	–	–	1.21%	16
2025 Q3	$28.4M	Buy	2,701,172 +511,172	+23%	+$5.35M	1.3%	14
2025 Q2	$22.8M	Hold	2,190,000	–	–	1.19%	16
2025 Q1	$22.8M	Hold	2,190,000	–	–	1.18%	20
2024 Q4	$22.1M	Buy	2,190,000 +1,940,000	+776%	+$19.5M	1.2%	21
2024 Q3	$2.5M	Buy	+250,000	New	+$2.5M	0.11%	89

Other funds holding AAM

KIM

Karpus Investment Management Pittsford, New York $3.21B AUM 6.83% 1-Year Est. Return

Westchester Capital Management (New York)'s AAM Position: Q1 2026 in Review

Westchester Capital Management (New York) sold out of AA Mission Acquisition Corp (AAM) in Q1 2026, closing a stake of 2,701,172 shares — an estimated $28.8M sold.

Westchester Capital Management (New York) first reported a position in AAM in Q3 2024 and held it in 6 quarters. The position peaked at $28.8M in Q4 2025. 1 fund tracked by Wall St. Rank holds AAM as of Q1 2026.

Westchester Capital Management (New York) reported no remaining AA Mission Acquisition Corp position as of Q1 2026 after selling out during the quarter.
Westchester Capital Management (New York) sold 2,701,172 AA Mission Acquisition Corp shares in Q1 2026, an estimated $28.8M.
Westchester Capital Management (New York) first reported a position in AA Mission Acquisition Corp in Q3 2024 and held it in 6 quarters.
Westchester Capital Management (New York)'s AA Mission Acquisition Corp position peaked at $28.8M in Q4 2025.
1 fund tracked by Wall St. Rank held AA Mission Acquisition Corp as of Q1 2026.

Based on Westchester Capital Management (New York)'s 13F filing for Q1 2026, filed 15 May 2026.