HBK Investments’s Arcellx ACLX Stock Holding History

HBK Investments’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	-2,278,517	Closed	-$262M	–	281
2026 Q1	$262M	Buy	+2,278,517	New	+$201M	2.65%	13

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

HBK Investments's ACLX Position: Q2 2026 in Review

HBK Investments sold out of Arcellx (ACLX) in Q2 2026, closing a stake of 2,278,517 shares — an estimated $262M sold.

HBK Investments first reported a position in ACLX in Q1 2026 and held it in 1 quarter. The position peaked at $262M in Q1 2026. 2 funds tracked by Wall St. Rank hold ACLX as of Q2 2026.

HBK Investments reported no remaining Arcellx position as of Q2 2026 after selling out during the quarter.
HBK Investments sold 2,278,517 Arcellx shares in Q2 2026, an estimated $262M.
HBK Investments first reported a position in Arcellx in Q1 2026 and held it in 1 quarter.
HBK Investments's Arcellx position peaked at $262M in Q1 2026.
2 funds tracked by Wall St. Rank held Arcellx as of Q2 2026.

Based on HBK Investments's 13F filing for Q2 2026, filed 14 Aug 2026.