Twin Securities’s Arcellx ACLX Stock Holding History

Twin Securities’s Portfolio ACLX Stock Details ACLX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-53,982	Closed	-$6.2M	–	14
2026 Q1	$6.2M	Buy	+53,982	New	+$4.76M	3.01%	6

Other funds holding ACLX

DekaBank Deutsche Girozentrale Frankfurt, Germany $59.2B AUM 26.02% 1-Year Est. Return

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

Twin Securities's ACLX Position: Q2 2026 in Review

Twin Securities sold out of Arcellx (ACLX) in Q2 2026, closing a stake of 53,982 shares — an estimated $6.2M sold.

Twin Securities first reported a position in ACLX in Q1 2026 and held it in 1 quarter. The position peaked at $6.2M in Q1 2026. 2 funds tracked by Wall St. Rank hold ACLX as of Q2 2026.

Twin Securities reported no remaining Arcellx position as of Q2 2026 after selling out during the quarter.
Twin Securities sold 53,982 Arcellx shares in Q2 2026, an estimated $6.2M.
Twin Securities first reported a position in Arcellx in Q1 2026 and held it in 1 quarter.
Twin Securities's Arcellx position peaked at $6.2M in Q1 2026.
2 funds tracked by Wall St. Rank held Arcellx as of Q2 2026.

Based on Twin Securities's 13F filing for Q2 2026, filed 14 Aug 2026.