Morgan Stanley
ACLX

Morgan Stanley’s Arcellx ACLX Stock Holding History

Morgan Stanley’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 		$106M Buy
925,813
+407,409
+79% +$36M 0.01% 1392
2025
Q4 		$33.8M Buy
518,404
+85,522
+20% +$6.82M ﹤0.01% 2462
2025
Q3 		$35.5M Sell
432,882
-84,631
-16% -$6.09M ﹤0.01% 2329
2025
Q2 		$34.1M Buy
517,513
+55,180
+12% +$3.44M ﹤0.01% 2276
2025
Q1 		$30.3M Sell
462,333
-155,784
-25% -$10.6M ﹤0.01% 2278
2024
Q4 		$47.4M Sell
618,117
-139,035
-18% -$12M ﹤0.01% 1882
2024
Q3 		$63.2M Buy
757,152
+212,075
+39% +$14.1M ﹤0.01% 1618
2024
Q2 		$30.1M Sell
545,077
-151,685
-22% -$8.25M ﹤0.01% 2226
2024
Q1 		$48.5M Sell
696,762
-649,808
-48% -$41.2M ﹤0.01% 1785
2023
Q4 		$74.7M Buy
1,346,570
+1,241,312
+1,179% +$56M ﹤0.01% 2022
2023
Q3 		$3.78M Sell
105,258
-173,853
-62% -$5.99M ﹤0.01% 3941
2023
Q2 		$8.83M Buy
279,111
+170,713
+157% +$6.53M ﹤0.01% 3287
2023
Q1 		$3.34M Sell
108,398
-15,097
-12% -$458K ﹤0.01% 4101
2022
Q4 		$3.83M Buy
123,495
+26,790
+28% +$614K ﹤0.01% 3982
2022
Q3 		$1.81M Buy
96,705
+19,562
+25% +$374K ﹤0.01% 4509
2022
Q2 		$1.4M Buy
77,143
+76,105
+7,332% +$982K ﹤0.01% 4793
2022
Q1 		$14K Buy
+1,038
New +$17.4K ﹤0.01% 7277

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

Morgan Stanley's ACLX Position: Q1 2026 in Review

Morgan Stanley increased its Arcellx (ACLX) stake by 79% in Q1 2026, buying an estimated $36M and bringing the position to 925,813 shares worth $106M. The position accounts for 0.01% of the portfolio, ranked #1392.

Morgan Stanley 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.

  • Morgan Stanley held 925,813 shares of Arcellx worth $106M as of Q1 2026.
  • Morgan Stanley bought 407,409 Arcellx shares in Q1 2026, an estimated $36M.
  • Arcellx made up 0.01% of Morgan Stanley's portfolio in Q1 2026, its #1392 holding.
  • Morgan Stanley 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 Morgan Stanley's 13F filing for Q1 2026, filed 15 May 2026.