Mizuho Securities USA’s Artius II Acquisition Inc AACB Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.04M	Hold	100,196	–	–	0.02%	567
2026 Q1	$1.03M	Sell	100,196 -51,822	-34%	-$536K	0.02%	537
2025 Q4	$1.54M	Buy	152,018 +2,000	+1%	+$20.5K	0.03%	487
2025 Q3	$1.5M	Hold	150,018	–	–	0.03%	501
2025 Q2	$1.5M	Buy	+150,018	New	+$1.5M	0.03%	465

Other funds holding AACB

COPPSERS

Commonwealth of Pennsylvania Public School Employees Retirement System Harrisburg, Pennsylvania $20.6B AUM 37.37% 1-Year Est. Return

CCM

Context Capital Management Lajolla, California $5.15B AUM 1.28% 1-Year Est. Return

ABC Arbitrage Paris, France $926M AUM 45.9% 1-Year Est. Return

FIA

FNY Investment Advisers New York $278M AUM 98.95% 1-Year Est. Return

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

Mizuho Securities USA held its Artius II Acquisition Inc (AACB) position steady in Q2 2026 at 100,196 shares worth $1.04M. The position accounts for 0.02% of the portfolio, ranked #567.

Mizuho Securities USA first reported a position in AACB in Q2 2025 and has held it in 5 quarters since. The position peaked at $1.54M in Q4 2025. 5 funds tracked by Wall St. Rank hold AACB as of Q2 2026.

Mizuho Securities USA held 100,196 shares of Artius II Acquisition Inc worth $1.04M as of Q2 2026.
Mizuho Securities USA left its Artius II Acquisition Inc share count unchanged in Q2 2026.
Artius II Acquisition Inc made up 0.02% of Mizuho Securities USA's portfolio in Q2 2026, its #567 holding.
Mizuho Securities USA first reported a position in Artius II Acquisition Inc in Q2 2025 and has held it in 5 quarters since.
Mizuho Securities USA's Artius II Acquisition Inc position peaked at $1.54M in Q4 2025.
5 funds tracked by Wall St. Rank held Artius II Acquisition Inc as of Q2 2026.

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