Citadel Advisors’s BEST SPAC I Acquisition Corp Unit BSAAU Stock Holding History

Citadel Advisors’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
2026 Q1	$260K	Hold	25,000	–	–	﹤0.01%	10803
2025 Q4	$258K	Sell	25,000 -30,736	-55%	-$315K	﹤0.01%	10475
2025 Q3	$566K	Sell	55,736 -210	-0.4%	-$2.12K	﹤0.01%	8829
2025 Q2	$562K	Buy	+55,946	New	+$562K	﹤0.01%	8366

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

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

Citadel Advisors's BSAAU Position: Q1 2026 in Review

Citadel Advisors held its BEST SPAC I Acquisition Corp Unit (BSAAU) position steady in Q1 2026 at 25,000 shares worth $260K. The position accounts for ﹤0.01% of the portfolio, ranked #10803.

Citadel Advisors first reported a position in BSAAU in Q2 2025 and has held it in 4 quarters since. The position peaked at $566K in Q3 2025. 5 funds tracked by Wall St. Rank hold BSAAU as of Q1 2026.

Citadel Advisors held 25,000 shares of BEST SPAC I Acquisition Corp Unit worth $260K as of Q1 2026.
Citadel Advisors left its BEST SPAC I Acquisition Corp Unit share count unchanged in Q1 2026.
BEST SPAC I Acquisition Corp Unit made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #10803 holding.
Citadel Advisors first reported a position in BEST SPAC I Acquisition Corp Unit in Q2 2025 and has held it in 4 quarters since.
Citadel Advisors's BEST SPAC I Acquisition Corp Unit position peaked at $566K in Q3 2025.
5 funds tracked by Wall St. Rank held BEST SPAC I Acquisition Corp Unit as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.