PCM
ACLX

Pentwater Capital Management’s Arcellx ACLX Stock Holding History

Pentwater Capital 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
2026
Q1 		$330M Buy
+2,870,000
New +$253M 1.71% 15

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
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
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Pentwater Capital Management's ACLX Position: Q1 2026 in Review

Pentwater Capital Management opened a new position in Arcellx (ACLX) in Q1 2026: 2,870,000 shares worth $330M. The stake represents 1.71% of the portfolio and ranks #15 among its holdings.

239 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

  • Pentwater Capital Management held 2,870,000 shares of Arcellx worth $330M as of Q1 2026.
  • Arcellx was a new Pentwater Capital Management position in Q1 2026.
  • Arcellx made up 1.71% of Pentwater Capital Management's portfolio in Q1 2026, its #15 holding.
  • 239 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

Based on Pentwater Capital Management's 13F filing for Q1 2026, filed 15 May 2026.