CAM
ACLX

Cormorant Asset Management’s Arcellx ACLX Stock Holding History

Cormorant Asset Management’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
2025
Q4 		– Sell
-775,000
Closed -$63.6M – 36
2025
Q3 		$63.6M Sell
775,000
-25,000
-3% -$1.8M 4.39% 8
2025
Q2 		$52.7M Sell
800,000
-250,000
-24% -$15.6M 3.92% 8
2025
Q1 		$68.9M Sell
1,050,000
-250,000
-19% -$16.9M 5.18% 4
2024
Q4 		$99.7M Buy
1,300,000
+50,000
+4% +$4.32M 5.48% 4
2024
Q3 		$104M Sell
1,250,000
-275,000
-18% -$18.3M 5.54% 3
2024
Q2 		$84.2M Sell
1,525,000
-255,000
-14% -$13.9M 4.86% 3
2024
Q1 		$124M Buy
1,780,000
+80,000
+5% +$5.07M 5.43% 3
2023
Q4 		$94.3M Sell
1,700,000
-450,000
-21% -$20.3M 4.51% 5
2023
Q3 		$77.1M Buy
2,150,000
+150,000
+8% +$5.17M 4.5% 4
2023
Q2 		$63.2M Buy
2,000,000
+400,000
+25% +$15.3M 3.54% 6
2023
Q1 		$49.3M Sell
1,600,000
-475,000
-23% -$14.4M 3.25% 7
2022
Q4 		$64.3M Sell
2,075,000
-974,173
-32% -$22.3M 4.3% 3
2022
Q3 		$57.2M Buy
3,049,173
+1,524,173
+100% +$29.2M 4% 5
2022
Q2 		$27.6M Buy
+1,525,000
New +$19.7M 2.08% 15

Other funds holding ACLX

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 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
VPC
Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return
SOCM
SR One Capital Management Wayne, Pennsylvania $915M AUM 209.71% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Cormorant Asset Management's ACLX Position: Q4 2025 in Review

Cormorant Asset Management sold out of Arcellx (ACLX) in Q4 2025, closing a stake of 775,000 shares — an estimated $63.6M sold.

Cormorant Asset Management first reported a position in ACLX in Q2 2022 and held it in 14 quarters. The position peaked at $124M in Q1 2024. 218 funds tracked by Wall St. Rank hold ACLX as of Q4 2025.

  • Cormorant Asset Management reported no remaining Arcellx position as of Q4 2025 after selling out during the quarter.
  • Cormorant Asset Management sold 775,000 Arcellx shares in Q4 2025, an estimated $63.6M.
  • Cormorant Asset Management first reported a position in Arcellx in Q2 2022 and held it in 14 quarters.
  • Cormorant Asset Management's Arcellx position peaked at $124M in Q1 2024.
  • 218 funds tracked by Wall St. Rank held Arcellx as of Q4 2025.

Based on Cormorant Asset Management's 13F filing for Q4 2025, filed 17 Feb 2026.