Alpine Associates 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
Q2
Sell
-378,000
Closed -$43.4M 67
2026
Q1
$43.4M Buy
+378,000
New +$33.4M 2.56% 10

Other funds holding ACLX

Alpine Associates Management's ACLX Position: Q2 2026 in Review

Alpine Associates Management sold out of Arcellx (ACLX) in Q2 2026, closing a stake of 378,000 shares — an estimated $43.4M sold.

Alpine Associates Management first reported a position in ACLX in Q1 2026 and held it in 1 quarter. The position peaked at $43.4M in Q1 2026. 2 funds tracked by Wall St. Rank hold ACLX as of Q2 2026.

  • Alpine Associates Management reported no remaining Arcellx position as of Q2 2026 after selling out during the quarter.
  • Alpine Associates Management sold 378,000 Arcellx shares in Q2 2026, an estimated $43.4M.
  • Alpine Associates Management first reported a position in Arcellx in Q1 2026 and held it in 1 quarter.
  • Alpine Associates Management's Arcellx position peaked at $43.4M in Q1 2026.
  • 2 funds tracked by Wall St. Rank held Arcellx as of Q2 2026.

Based on Alpine Associates Management's 13F filing for Q2 2026, filed 6 Aug 2026.