AllianceBernstein
ACLX

AllianceBernstein’s Arcellx ACLX Stock Holding History

AllianceBernstein’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 		$35.5M Buy
544,227
+503,436
+1,234% +$44.4M 0.01% 706
2025
Q4 		$2.66M Sell
40,791
-5,536
-12% -$442K ﹤0.01% 1848
2025
Q3 		$3.8M Sell
46,327
-1,828
-4% -$132K ﹤0.01% 1651
2025
Q2 		$3.17M Sell
48,155
-3,140
-6% -$195K ﹤0.01% 1700
2025
Q1 		$3.36M Buy
51,295
+45
+0.1% +$3.05K ﹤0.01% 1629
2024
Q4 		$3.93M Sell
51,250
-6,181
-11% -$534K ﹤0.01% 1599
2024
Q3 		$4.8M Buy
57,431
+1,620
+3% +$108K ﹤0.01% 1531
2024
Q2 		$3.08M Buy
55,811
+16,231
+41% +$882K ﹤0.01% 1720
2024
Q1 		$2.75M Buy
39,580
+2,580
+7% +$164K ﹤0.01% 1743
2023
Q4 		$2.05M Buy
37,000
+790
+2% +$35.6K ﹤0.01% 1921
2023
Q3 		$1.3M Hold
36,210
– – ﹤0.01% 2106
2023
Q2 		$1.14M Buy
36,210
+9,510
+36% +$364K ﹤0.01% 2212
2023
Q1 		$823K Hold
26,700
– – ﹤0.01% 2320
2022
Q4 		$827K Buy
26,700
+5,200
+24% +$119K ﹤0.01% 2375
2022
Q3 		$404K Buy
+21,500
New +$411K ﹤0.01% 2742

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

AllianceBernstein's ACLX Position: Q1 2026 in Review

AllianceBernstein increased its Arcellx (ACLX) stake by 1,234% in Q1 2026, buying an estimated $44.4M and bringing the position to 544,227 shares worth $35.5M. The position accounts for 0.01% of the portfolio, ranked #706.

AllianceBernstein first reported a position in ACLX in Q3 2022 and has held it in 15 quarters since. 239 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

  • AllianceBernstein held 544,227 shares of Arcellx worth $35.5M as of Q1 2026.
  • AllianceBernstein bought 503,436 Arcellx shares in Q1 2026, an estimated $44.4M.
  • Arcellx made up 0.01% of AllianceBernstein's portfolio in Q1 2026, its #706 holding.
  • AllianceBernstein first reported a position in Arcellx in Q3 2022 and has held it in 15 quarters since.
  • 239 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

Based on AllianceBernstein's 13F filing for Q1 2026, filed 15 May 2026.