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Polymer Capital Management’s Century Aluminum CENX Stock Holding History

Polymer Capital Management’s Portfolio CENX Stock Details CENX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-50,000
Closed -$911K – 510
2024
Q4 		$911K Buy
+50,000
New +$983K 0.25% 70

Other funds holding CENX

G
Glencore Baar, Switzerland $4.87B AUM 67.38% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
SG
Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Polymer Capital Management's CENX Position: Q2 2026 in Review

Polymer Capital Management increased its Century Aluminum (CENX) stake by 117% in Q2 2026, buying an estimated $705K and bringing the position to 21,727 shares worth $1,000K. The position accounts for 0.13% of the portfolio, ranked #190.

Polymer Capital Management first reported a position in CENX in Q4 2024 and has held it in 7 quarters since. The position peaked at $1.18M in Q4 2025. 415 funds tracked by Wall St. Rank hold CENX as of Q2 2026.

  • Polymer Capital Management held 21,727 shares of Century Aluminum worth $1,000K as of Q2 2026.
  • Polymer Capital Management bought 11,727 Century Aluminum shares in Q2 2026, an estimated $705K.
  • Century Aluminum made up 0.13% of Polymer Capital Management's portfolio in Q2 2026, its #190 holding.
  • Polymer Capital Management first reported a position in Century Aluminum in Q4 2024 and has held it in 7 quarters since.
  • Polymer Capital Management's Century Aluminum position peaked at $1.18M in Q4 2025.
  • 415 funds tracked by Wall St. Rank held Century Aluminum as of Q2 2026.

Based on Polymer Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.