Marnell 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
Q2
$3.29M Buy
71,516
+26,218
+58% +$1.58M 1.26% 27
2026
Q1
$2.66M Sell
45,298
-61,758
-58% -$3.1M 0.92% 24
2025
Q4
$4.19M Buy
+107,056
New +$3.34M 2.03% 15

Other funds holding CENX

Marnell Management's CENX Position: Q2 2026 in Review

Marnell Management increased its Century Aluminum (CENX) stake by 58% in Q2 2026, buying an estimated $1.58M and bringing the position to 71,516 shares worth $3.29M. The position accounts for 1.26% of the portfolio, ranked #27.

Marnell Management first reported a position in CENX in Q4 2025 and has held it in 3 quarters since. The position peaked at $4.19M in Q4 2025. 413 funds tracked by Wall St. Rank hold CENX as of Q2 2026.

  • Marnell Management held 71,516 shares of Century Aluminum worth $3.29M as of Q2 2026.
  • Marnell Management bought 26,218 Century Aluminum shares in Q2 2026, an estimated $1.58M.
  • Century Aluminum made up 1.26% of Marnell Management's portfolio in Q2 2026, its #27 holding.
  • Marnell Management first reported a position in Century Aluminum in Q4 2025 and has held it in 3 quarters since.
  • Marnell Management's Century Aluminum position peaked at $4.19M in Q4 2025.
  • 413 funds tracked by Wall St. Rank held Century Aluminum as of Q2 2026.

Based on Marnell Management's 13F filing for Q2 2026, filed 13 Aug 2026.