Mizuho Securities USA’s BEST SPAC I Acquisition Corp BSAA Stock Holding History

Mizuho Securities USA’s Portfolio BSAA Stock Details BSAA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-533,699	Closed	-$5.4M	–	740
2026 Q1	$5.4M	Hold	533,699	–	–	0.13%	173
2025 Q4	$5.36M	Sell	533,699 -8,301	-2%	-$83.9K	0.09%	198
2025 Q3	$5.37M	Buy	+542,000	New	+$5.43M	0.11%	187

Other funds holding BSAA

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Clear Street New York $39.5B AUM 124.03% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Mizuho Securities USA's BSAA Position: Q2 2026 in Review

Mizuho Securities USA sold out of BEST SPAC I Acquisition Corp (BSAA) in Q2 2026, closing a stake of 533,699 shares — an estimated $5.4M sold.

Mizuho Securities USA first reported a position in BSAA in Q3 2025 and held it in 3 quarters. The position peaked at $5.4M in Q1 2026. 4 funds tracked by Wall St. Rank hold BSAA as of Q2 2026.

Mizuho Securities USA reported no remaining BEST SPAC I Acquisition Corp position as of Q2 2026 after selling out during the quarter.
Mizuho Securities USA sold 533,699 BEST SPAC I Acquisition Corp shares in Q2 2026, an estimated $5.4M.
Mizuho Securities USA first reported a position in BEST SPAC I Acquisition Corp in Q3 2025 and held it in 3 quarters.
Mizuho Securities USA's BEST SPAC I Acquisition Corp position peaked at $5.4M in Q1 2026.
4 funds tracked by Wall St. Rank held BEST SPAC I Acquisition Corp as of Q2 2026.

Based on Mizuho Securities USA's 13F filing for Q2 2026, filed 24 Jul 2026.