Millennium Management’s Century Aluminum CENX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-15,000
Closed -$588K 5778
2025
Q4
$588K Buy
+15,000
New +$469K ﹤0.01% 4841

Other funds holding CENX

Millennium Management's CENX Position: Q1 2026 in Review

Millennium Management increased its Century Aluminum (CENX) stake by 40% in Q1 2026, buying an estimated $28.6M and bringing the position to 1,987,625 shares worth $117M. The position accounts for 0.05% of the portfolio, ranked #384.

Millennium Management first reported a position in CENX in Q2 2013 and has held it in 42 quarters since. 386 funds tracked by Wall St. Rank hold CENX as of Q1 2026.

  • Millennium Management held 1,987,625 shares of Century Aluminum worth $117M as of Q1 2026.
  • Millennium Management bought 569,593 Century Aluminum shares in Q1 2026, an estimated $28.6M.
  • Century Aluminum made up 0.05% of Millennium Management's portfolio in Q1 2026, its #384 holding.
  • Millennium Management first reported a position in Century Aluminum in Q2 2013 and has held it in 42 quarters since.
  • 386 funds tracked by Wall St. Rank held Century Aluminum as of Q1 2026.

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