Balyasny Asset Management
ACLX

Balyasny Asset Management’s Arcellx ACLX Stock Holding History

Balyasny 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
2026
Q1 		$55.1M Buy
+479,763
New +$42.3M 0.07% 316
2025
Q4 		– Sell
-48,691
Closed -$4M – 3034
2025
Q3 		$4M Sell
48,691
-6,101
-11% -$439K 0.01% 1477
2025
Q2 		$3.61M Buy
+54,792
New +$3.41M 0.01% 1445
2023
Q1 		– Sell
-250,477
Closed -$7.76M – 2580
2022
Q4 		$7.76M Sell
250,477
-112,281
-31% -$2.58M 0.02% 838
2022
Q3 		$6.81M Sell
362,758
-49,812
-12% -$953K 0.02% 864
2022
Q2 		$7.46M Buy
412,570
+261,304
+173% +$3.37M 0.02% 761
2022
Q1 		$2.12M Buy
+151,266
New +$2.53M 0.01% 1328

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

Balyasny Asset Management's ACLX Position: Q1 2026 in Review

Balyasny Asset Management opened a new position in Arcellx (ACLX) in Q1 2026: 479,763 shares worth $55.1M. The stake represents 0.07% of the portfolio and ranks #316 among its holdings. This is a return to the name: Balyasny Asset Management previously reported a position in ACLX as recently as Q3 2025.

Balyasny Asset Management first reported a position in ACLX in Q1 2022 and has held it in 7 quarters since. 239 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

  • Balyasny Asset Management held 479,763 shares of Arcellx worth $55.1M as of Q1 2026.
  • Arcellx was a new Balyasny Asset Management position in Q1 2026.
  • Arcellx made up 0.07% of Balyasny Asset Management's portfolio in Q1 2026, its #316 holding.
  • Balyasny Asset Management first reported a position in Arcellx in Q1 2022 and has held it in 7 quarters since.
  • 239 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

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