Brevan Howard Capital Management’s Arcellx ACLX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-60,178
Closed -$3.92M 2118
2025
Q4
$3.92M Buy
60,178
+56,373
+1,482% +$4.5M 0.04% 294
2025
Q3
$312K Sell
3,805
-10,631
-74% -$765K ﹤0.01% 1545
2025
Q2
$951K Buy
+14,436
New +$899K 0.01% 1091
2025
Q1
Sell
-6,079
Closed -$466K 1126
2024
Q4
$466K Buy
+6,079
New +$525K ﹤0.01% 647

Other funds holding ACLX

Brevan Howard Capital Management's ACLX Position: Q1 2026 in Review

Brevan Howard Capital Management sold out of Arcellx (ACLX) in Q1 2026, closing a stake of 60,178 shares — an estimated $3.92M sold.

Brevan Howard Capital Management first reported a position in ACLX in Q4 2024 and held it in 4 quarters. The position peaked at $3.92M in Q4 2025. 239 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

  • Brevan Howard Capital Management reported no remaining Arcellx position as of Q1 2026 after selling out during the quarter.
  • Brevan Howard Capital Management sold 60,178 Arcellx shares in Q1 2026, an estimated $3.92M.
  • Brevan Howard Capital Management first reported a position in Arcellx in Q4 2024 and held it in 4 quarters.
  • Brevan Howard Capital Management's Arcellx position peaked at $3.92M in Q4 2025.
  • 239 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

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