State Street
ACLX

State Street’s Arcellx ACLX Stock Holding History

State Street’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 		$192M Sell
1,675,895
-322,608
-16% -$28.5M 0.01% 959
2025
Q4 		$130M Buy
1,998,503
+472,476
+31% +$37.7M ﹤0.01% 1204
2025
Q3 		$125M Sell
1,526,027
-66,286
-4% -$4.77M ﹤0.01% 1209
2025
Q2 		$105M Sell
1,592,313
-74,138
-4% -$4.62M ﹤0.01% 1286
2025
Q1 		$109M Sell
1,666,451
-108,921
-6% -$7.38M ﹤0.01% 1214
2024
Q4 		$136M Buy
1,775,372
+230,433
+15% +$19.9M 0.01% 1162
2024
Q3 		$129M Sell
1,544,939
-210,725
-12% -$14M 0.01% 1180
2024
Q2 		$96.9M Sell
1,755,664
-129,454
-7% -$7.04M ﹤0.01% 1280
2024
Q1 		$131M Buy
1,885,118
+111,279
+6% +$7.06M 0.01% 1138
2023
Q4 		$98.4M Sell
1,773,839
-240,406
-12% -$10.8M ﹤0.01% 1295
2023
Q3 		$72.3M Buy
2,014,245
+82,480
+4% +$2.84M ﹤0.01% 1401
2023
Q2 		$61.1M Buy
1,931,765
+57,309
+3% +$2.19M ﹤0.01% 1539
2023
Q1 		$57.8M Buy
1,874,456
+258,365
+16% +$7.84M ﹤0.01% 1552
2022
Q4 		$50.1M Buy
1,616,091
+102,066
+7% +$2.34M ﹤0.01% 1639
2022
Q3 		$28.4M Buy
1,514,025
+1,338,208
+761% +$25.6M ﹤0.01% 1977
2022
Q2 		$3.18M Buy
175,817
+104,812
+148% +$1.35M ﹤0.01% 3317
2022
Q1 		$995K Buy
+71,005
New +$1.19M ﹤0.01% 3816

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

State Street's ACLX Position: Q1 2026 in Review

State Street reduced its Arcellx (ACLX) stake by 16% in Q1 2026, selling an estimated $28.5M and leaving 1,675,895 shares worth $192M. The position accounts for 0.01% of the portfolio, ranked #959.

State Street first reported a position in ACLX in Q1 2022 and has held it in 17 quarters since. 239 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

  • State Street held 1,675,895 shares of Arcellx worth $192M as of Q1 2026.
  • State Street sold 322,608 Arcellx shares in Q1 2026, an estimated $28.5M.
  • Arcellx made up 0.01% of State Street's portfolio in Q1 2026, its #959 holding.
  • State Street first reported a position in Arcellx in Q1 2022 and has held it in 17 quarters since.
  • 239 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

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