Westchester Capital Management (New York)’s BEST SPAC I Acquisition Corp Unit BSAAU Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-50,000	Closed	-$508K	–	338
2025 Q3	$508K	Hold	50,000	–	–	0.02%	189
2025 Q2	$502K	Buy	+50,000	New	+$502K	0.03%	148

Other funds holding BSAAU

Clear Street New York $24.6B AUM 56.26% 1-Year Est. Return

ACM

ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Westchester Capital Management (New York)'s BSAAU Position: Q4 2025 in Review

Westchester Capital Management (New York) sold out of BEST SPAC I Acquisition Corp Unit (BSAAU) in Q4 2025, closing a stake of 50,000 shares — an estimated $508K sold.

Westchester Capital Management (New York) first reported a position in BSAAU in Q2 2025 and held it in 2 quarters. The position peaked at $508K in Q3 2025. 5 funds tracked by Wall St. Rank hold BSAAU as of Q4 2025.

Westchester Capital Management (New York) reported no remaining BEST SPAC I Acquisition Corp Unit position as of Q4 2025 after selling out during the quarter.
Westchester Capital Management (New York) sold 50,000 BEST SPAC I Acquisition Corp Unit shares in Q4 2025, an estimated $508K.
Westchester Capital Management (New York) first reported a position in BEST SPAC I Acquisition Corp Unit in Q2 2025 and held it in 2 quarters.
Westchester Capital Management (New York)'s BEST SPAC I Acquisition Corp Unit position peaked at $508K in Q3 2025.
5 funds tracked by Wall St. Rank held BEST SPAC I Acquisition Corp Unit as of Q4 2025.

Based on Westchester Capital Management (New York)'s 13F filing for Q4 2025, filed 13 Feb 2026.