HT
ACLX

Headlands Technologies’s Arcellx ACLX Stock Holding History

Headlands Technologies’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 		– Sell
-7,320
Closed -$477K – 716
2025
Q4 		$477K Buy
+7,320
New +$584K 0.04% 407
2025
Q1 		– Sell
-529
Closed -$40.6K – 1106
2024
Q4 		$40.6K Buy
+529
New +$45.7K ﹤0.01% 841

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

Headlands Technologies's ACLX Position: Q1 2026 in Review

Headlands Technologies sold out of Arcellx (ACLX) in Q1 2026, closing a stake of 7,320 shares — an estimated $477K sold.

Headlands Technologies first reported a position in ACLX in Q4 2024 and held it in 2 quarters. The position peaked at $477K in Q4 2025. 239 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

  • Headlands Technologies reported no remaining Arcellx position as of Q1 2026 after selling out during the quarter.
  • Headlands Technologies sold 7,320 Arcellx shares in Q1 2026, an estimated $477K.
  • Headlands Technologies first reported a position in Arcellx in Q4 2024 and held it in 2 quarters.
  • Headlands Technologies's Arcellx position peaked at $477K in Q4 2025.
  • 239 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

Based on Headlands Technologies's 13F filing for Q1 2026, filed 13 May 2026.