John Overdeck’s Century Aluminum CENX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2016
Q4
Sell
-19,200
Closed -$133K 3122
2016
Q3
$133K Buy
+19,200
New +$131K ﹤0.01% 3012

Other funds holding CENX

John Overdeck's CENX Position: Q2 2026 in Review

John Overdeck opened a new position in Century Aluminum (CENX) in Q2 2026: 27,571 shares worth $1.27M. The stake represents ﹤0.01% of the portfolio and ranks #3424 among its holdings. This is a return to the name: John Overdeck previously reported a position in CENX as recently as Q2 2025.

John Overdeck first reported a position in CENX in Q3 2014 and has held it in 33 quarters since. The position peaked at $27.6M in Q1 2022. 411 funds tracked by Wall St. Rank hold CENX as of Q2 2026.

  • John Overdeck held 27,571 shares of Century Aluminum worth $1.27M as of Q2 2026.
  • Century Aluminum was a new John Overdeck position in Q2 2026.
  • Century Aluminum made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #3424 holding.
  • John Overdeck first reported a position in Century Aluminum in Q3 2014 and has held it in 33 quarters since.
  • John Overdeck's Century Aluminum position peaked at $27.6M in Q1 2022.
  • 411 funds tracked by Wall St. Rank held Century Aluminum as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.