UBS AM
ACLX

UBS AM’s Arcellx ACLX Stock Holding History

UBS AM’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 		$6.58M Sell
57,289
-103,746
-64% -$9.16M ﹤0.01% 1425
2025
Q4 		$10.5M Sell
161,035
-7,596
-5% -$606K ﹤0.01% 1102
2025
Q3 		$13.8M Sell
168,631
-98,480
-37% -$7.09M ﹤0.01% 961
2025
Q2 		$17.6M Buy
267,111
+2,355
+0.9% +$147K ﹤0.01% 1101
2025
Q1 		$17.4M Sell
264,756
-2,628
-1% -$178K ﹤0.01% 1012
2024
Q4 		$20.5M Sell
267,384
-15,471
-5% -$1.34M ﹤0.01% 934
2024
Q3 		$23.6M Sell
282,855
-27,527
-9% -$1.83M 0.01% 887
2024
Q2 		$17.1M Buy
310,382
+44,972
+17% +$2.44M ﹤0.01% 921
2024
Q1 		$18.5M Buy
265,410
+135,274
+104% +$8.58M 0.01% 814
2023
Q4 		$7.22M Sell
130,136
-55,457
-30% -$2.5M ﹤0.01% 1109
2023
Q3 		$6.66M Buy
185,593
+168,993
+1,018% +$5.83M ﹤0.01% 1112
2023
Q2 		$511K Hold
16,600
– – ﹤0.01% 2311
2023
Q1 		$511K Buy
16,600
+2,900
+21% +$88K ﹤0.01% 2311
2022
Q4 		$424K Buy
+13,700
New +$314K ﹤0.01% 2238

Other funds holding ACLX

GS
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
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
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return

UBS AM's ACLX Position: Q1 2026 in Review

UBS AM reduced its Arcellx (ACLX) stake by 64% in Q1 2026, selling an estimated $9.16M and leaving 57,289 shares worth $6.58M. The position accounts for ﹤0.01% of the portfolio, ranked #1425.

UBS AM first reported a position in ACLX in Q4 2022 and has held it in 14 quarters since. The position peaked at $23.6M in Q3 2024. 239 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

  • UBS AM held 57,289 shares of Arcellx worth $6.58M as of Q1 2026.
  • UBS AM sold 103,746 Arcellx shares in Q1 2026, an estimated $9.16M.
  • Arcellx made up ﹤0.01% of UBS AM's portfolio in Q1 2026, its #1425 holding.
  • UBS AM first reported a position in Arcellx in Q4 2022 and has held it in 14 quarters since.
  • UBS AM's Arcellx position peaked at $23.6M in Q3 2024.
  • 239 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

Based on UBS AM's 13F filing for Q1 2026, filed 13 May 2026.