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
2026 Q2	$1,000K	Buy	21,727 +11,727	+117%	+$705K	0.13%	190
2026 Q1	$587K	Sell	10,000 -20,000	-67%	-$1M	0.06%	351
2025 Q4	$1.18M	Buy	30,000 +20,703	+223%	+$647K	0.12%	210
2025 Q3	$273K	Sell	9,297 -14,203	-60%	-$322K	0.03%	638
2025 Q2	$423K	Sell	23,500 -2,197	-9%	-$37.3K	0.05%	316
2025 Q1	$477K	Buy	25,697 +2,197	+9%	+$42.2K	0.12%	182
2024 Q4	$428K	Buy	+23,500	New	+$462K	0.12%	119

Other funds holding CENX

Glencore Baar, Switzerland $4.87B AUM 67.38% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

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. 413 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.
413 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.