David M. Knott Jr’s Arcellx ACLX Stock Holding History

David M. Knott Jr’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	-19,433	Closed	-$2.23M	–	85
2026 Q1	$2.23M	Sell	19,433 -6,267	-24%	-$553K	1.33%	19
2025 Q4	$1.68M	Hold	25,700	–	–	0.78%	21
2025 Q3	$2.11M	Hold	25,700	–	–	0.85%	21
2025 Q2	$1.69M	Buy	25,700 +10,700	+71%	+$666K	0.77%	23
2025 Q1	$984K	Buy	+15,000	New	+$1.02M	0.46%	32
2023 Q4	–	Sell	-20,000	Closed	-$718K	–	114
2023 Q3	$718K	Sell	20,000 -20,000	-50%	-$690K	0.27%	46
2023 Q2	$1.26M	Buy	40,000 +12,000	+43%	+$459K	0.5%	34
2023 Q1	$863K	Buy	+28,000	New	+$849K	0.34%	45

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

David M. Knott Jr's ACLX Position: Q2 2026 in Review

David M. Knott Jr sold out of Arcellx (ACLX) in Q2 2026, closing a stake of 19,433 shares — an estimated $2.23M sold.

David M. Knott Jr first reported a position in ACLX in Q1 2023 and held it in 8 quarters. The position peaked at $2.23M in Q1 2026. 2 funds tracked by Wall St. Rank hold ACLX as of Q2 2026.

David M. Knott Jr reported no remaining Arcellx position as of Q2 2026 after selling out during the quarter.
David M. Knott Jr sold 19,433 Arcellx shares in Q2 2026, an estimated $2.23M.
David M. Knott Jr first reported a position in Arcellx in Q1 2023 and held it in 8 quarters.
David M. Knott Jr's Arcellx position peaked at $2.23M in Q1 2026.
2 funds tracked by Wall St. Rank held Arcellx as of Q2 2026.

Based on David M. Knott Jr's 13F filing for Q2 2026, filed 12 Aug 2026.