Citigroup
ACLX

Citigroup’s Arcellx ACLX Stock Holding History

Citigroup’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 		$897K Sell
7,816
-148,703
-95% -$13.1M ﹤0.01% 3186
2025
Q4 		$10.2M Buy
156,519
+63,674
+69% +$5.08M ﹤0.01% 1513
2025
Q3 		$7.62M Sell
92,845
-13,427
-13% -$967K ﹤0.01% 1682
2025
Q2 		$7M Buy
106,272
+26,193
+33% +$1.63M ﹤0.01% 1634
2025
Q1 		$5.25M Buy
80,079
+10,671
+15% +$723K ﹤0.01% 1844
2024
Q4 		$5.32M Buy
69,408
+26,254
+61% +$2.27M ﹤0.01% 1892
2024
Q3 		$3.6M Buy
43,154
+21,262
+97% +$1.42M ﹤0.01% 2127
2024
Q2 		$1.21M Sell
21,892
-93,055
-81% -$5.06M ﹤0.01% 2769
2024
Q1 		$7.99M Buy
114,947
+62,616
+120% +$3.97M 0.01% 1388
2023
Q4 		$2.9M Sell
52,331
-16,685
-24% -$753K ﹤0.01% 1961
2023
Q3 		$2.48M Buy
69,016
+5,618
+9% +$194K ﹤0.01% 1854
2023
Q2 		$2M Sell
63,398
-50,205
-44% -$1.92M ﹤0.01% 2214
2023
Q1 		$3.5M Buy
113,603
+64,275
+130% +$1.95M ﹤0.01% 1680
2022
Q4 		$1.53M Sell
49,328
-34,934
-41% -$801K ﹤0.01% 2254
2022
Q3 		$1.58M Sell
84,262
-31,629
-27% -$605K ﹤0.01% 2328
2022
Q2 		$2.1M Buy
115,891
+114,037
+6,151% +$1.47M ﹤0.01% 2068
2022
Q1 		$26K Buy
+1,854
New +$31K ﹤0.01% 5014

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

Citigroup's ACLX Position: Q1 2026 in Review

Citigroup reduced its Arcellx (ACLX) stake by 95% in Q1 2026, selling an estimated $13.1M and leaving 7,816 shares worth $897K. The position accounts for ﹤0.01% of the portfolio, ranked #3186.

Citigroup first reported a position in ACLX in Q1 2022 and has held it in 17 quarters since. The position peaked at $10.2M in Q4 2025. 239 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

  • Citigroup held 7,816 shares of Arcellx worth $897K as of Q1 2026.
  • Citigroup sold 148,703 Arcellx shares in Q1 2026, an estimated $13.1M.
  • Arcellx made up ﹤0.01% of Citigroup's portfolio in Q1 2026, its #3186 holding.
  • Citigroup first reported a position in Arcellx in Q1 2022 and has held it in 17 quarters since.
  • Citigroup's Arcellx position peaked at $10.2M in Q4 2025.
  • 239 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.