Advisors Asset Management’s Arcellx ACLX Stock Holding History

Advisors Asset Management’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 Q1	$457K	Sell	3,978 -692	-15%	-$61.1K	0.01%	990
2025 Q4	$304K	Sell	4,670 -3,405	-42%	-$272K	0.01%	1064
2025 Q3	$663K	Sell	8,075 -724	-8%	-$52.1K	0.01%	909
2025 Q2	$579K	Sell	8,799 -62	-0.7%	-$3.86K	0.01%	916
2025 Q1	$581K	Buy	8,861 +1,210	+16%	+$82K	0.01%	900
2024 Q4	$587K	Buy	7,651 +1,455	+23%	+$126K	0.01%	892
2024 Q3	$517K	Buy	6,196 +720	+13%	+$47.9K	0.01%	922
2024 Q2	$302K	Buy	5,476 +1,279	+30%	+$69.5K	0.01%	1025
2024 Q1	$292K	Buy	4,197 +3,798	+952%	+$241K	0.01%	1055
2023 Q4	$22.1K	Buy	+399	New	+$18K	﹤0.01%	1348

Other funds holding ACLX

Gilead Sciences Foster City, California $2.12B AUM 143.53% 1-Year Est. Return

PBA

Paradigm Biocapital Advisors New York $4.89B AUM 251.12% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

NMC

NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return

PCM

Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

SOCM

SR One Capital Management Wayne, Pennsylvania $915M AUM 209.71% 1-Year Est. Return

Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return

Advisors Asset Management's ACLX Position: Q1 2026 in Review

Advisors Asset Management reduced its Arcellx (ACLX) stake by 15% in Q1 2026, selling an estimated $61.1K and leaving 3,978 shares worth $457K. The position accounts for 0.01% of the portfolio, ranked #990.

Advisors Asset Management first reported a position in ACLX in Q4 2023 and has held it in 10 quarters since. The position peaked at $663K in Q3 2025. 239 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

Advisors Asset Management held 3,978 shares of Arcellx worth $457K as of Q1 2026.
Advisors Asset Management sold 692 Arcellx shares in Q1 2026, an estimated $61.1K.
Arcellx made up 0.01% of Advisors Asset Management's portfolio in Q1 2026, its #990 holding.
Advisors Asset Management first reported a position in Arcellx in Q4 2023 and has held it in 10 quarters since.
Advisors Asset Management's Arcellx position peaked at $663K in Q3 2025.
239 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

Based on Advisors Asset Management's 13F filing for Q1 2026, filed 15 May 2026.