WP
ACLX

Woodline Partners’s Arcellx ACLX Stock Holding History

Woodline Partners’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 		$14.2M Sell
123,750
-614,074
-83% -$54.2M 0.05% 424
2025
Q4 		$48.1M Buy
737,824
+496,435
+206% +$39.6M 0.19% 140
2025
Q3 		$19.8M Hold
241,389
– – 0.09% 287
2025
Q2 		$15.9M Buy
241,389
+76,084
+46% +$4.74M 0.08% 336
2025
Q1 		$10.8M Buy
165,305
+39,656
+32% +$2.69M 0.07% 349
2024
Q4 		$9.64M Buy
125,649
+14,660
+13% +$1.27M 0.07% 351
2024
Q3 		$9.27M Buy
110,989
+3,290
+3% +$219K 0.08% 313
2024
Q2 		$5.94M Buy
107,699
+3,639
+3% +$198K 0.06% 319
2024
Q1 		$7.24M Hold
104,060
– – 0.07% 317
2023
Q4 		$5.78M Buy
+104,060
New +$4.69M 0.06% 301

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

Woodline Partners's ACLX Position: Q1 2026 in Review

Woodline Partners reduced its Arcellx (ACLX) stake by 83% in Q1 2026, selling an estimated $54.2M and leaving 123,750 shares worth $14.2M. The position accounts for 0.05% of the portfolio, ranked #424.

Woodline Partners first reported a position in ACLX in Q4 2023 and has held it in 10 quarters since. The position peaked at $48.1M in Q4 2025. 239 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

  • Woodline Partners held 123,750 shares of Arcellx worth $14.2M as of Q1 2026.
  • Woodline Partners sold 614,074 Arcellx shares in Q1 2026, an estimated $54.2M.
  • Arcellx made up 0.05% of Woodline Partners's portfolio in Q1 2026, its #424 holding.
  • Woodline Partners first reported a position in Arcellx in Q4 2023 and has held it in 10 quarters since.
  • Woodline Partners's Arcellx position peaked at $48.1M in Q4 2025.
  • 239 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

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