Russell Investments Group
ACLX

Russell Investments Group’s Arcellx ACLX Stock Holding History

Russell Investments Group’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 		$7.11M Sell
61,905
-68,615
-53% -$6.06M 0.01% 1133
2025
Q4 		$8.51M Sell
130,520
-13,014
-9% -$1.04M 0.01% 1018
2025
Q3 		$11.8M Buy
143,534
+15,469
+12% +$1.11M 0.01% 830
2025
Q2 		$8.43M Sell
128,065
-23,958
-16% -$1.49M 0.01% 928
2025
Q1 		$9.97M Sell
152,023
-117,363
-44% -$7.95M 0.01% 824
2024
Q4 		$20.7M Sell
269,386
-51,284
-16% -$4.43M 0.03% 572
2024
Q3 		$26.8M Buy
320,670
+85,079
+36% +$5.67M 0.04% 472
2024
Q2 		$13M Buy
235,591
+40,154
+21% +$2.18M 0.02% 692
2024
Q1 		$13.6M Buy
195,437
+5,895
+3% +$374K 0.02% 694
2023
Q4 		$10.5M Buy
189,542
+11,200
+6% +$505K 0.02% 767
2023
Q3 		$6.4M Buy
178,342
+62,000
+53% +$2.14M 0.01% 967
2023
Q2 		$3.68M Buy
116,342
+66,210
+132% +$2.53M 0.01% 1224
2023
Q1 		$1.54M Buy
50,132
+25,589
+104% +$776K ﹤0.01% 1731
2022
Q4 		$760K Buy
+24,543
New +$563K ﹤0.01% 2113

Other funds holding ACLX

GS
Gilead Sciences Foster City, California $1.65B AUM 166.99% 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

Russell Investments Group's ACLX Position: Q1 2026 in Review

Russell Investments Group reduced its Arcellx (ACLX) stake by 53% in Q1 2026, selling an estimated $6.06M and leaving 61,905 shares worth $7.11M. The position accounts for 0.01% of the portfolio, ranked #1133.

Russell Investments Group first reported a position in ACLX in Q4 2022 and has held it in 14 quarters since. The position peaked at $26.8M in Q3 2024. 239 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

  • Russell Investments Group held 61,905 shares of Arcellx worth $7.11M as of Q1 2026.
  • Russell Investments Group sold 68,615 Arcellx shares in Q1 2026, an estimated $6.06M.
  • Arcellx made up 0.01% of Russell Investments Group's portfolio in Q1 2026, its #1133 holding.
  • Russell Investments Group first reported a position in Arcellx in Q4 2022 and has held it in 14 quarters since.
  • Russell Investments Group's Arcellx position peaked at $26.8M in Q3 2024.
  • 239 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

Based on Russell Investments Group's 13F filing for Q1 2026, filed 8 May 2026.