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Steamboat Capital Partners’s Century Aluminum CENX Stock Holding History

Steamboat Capital Partners’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 		$13.6M Buy
296,666
+20,418
+7% +$1.23M 2.92% 9
2026
Q1 		$16.2M Sell
276,248
-147,560
-35% -$7.4M 4.03% 3
2025
Q4 		$16.6M Sell
423,808
-48,121
-10% -$1.5M 4.56% 3
2025
Q3 		$13.9M Buy
471,929
+280,548
+147% +$6.36M 3.61% 5
2025
Q2 		$3.45M Sell
191,381
-3,597
-2% -$61.1K 0.98% 39
2025
Q1 		$3.62M Buy
194,978
+146,962
+306% +$2.82M 1.09% 31
2024
Q4 		$875K Sell
48,016
-971
-2% -$19.1K 0.27% 49
2024
Q3 		$795K Sell
48,987
-118,078
-71% -$1.79M 0.25% 44
2024
Q2 		$2.8M Sell
167,065
-230,006
-58% -$3.92M 1.03% 32
2024
Q1 		$6.11M Sell
397,071
-350,783
-47% -$3.94M 2.11% 21
2023
Q4 		$9.08M Buy
+747,854
New +$5.87M 3.41% 11

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 $3.37T AUM 44.26% 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

Steamboat Capital Partners's CENX Position: Q2 2026 in Review

Steamboat Capital Partners increased its Century Aluminum (CENX) stake by 7.4% in Q2 2026, buying an estimated $1.23M and bringing the position to 296,666 shares worth $13.6M. The position accounts for 2.92% of the portfolio, ranked #9.

Steamboat Capital Partners first reported a position in CENX in Q4 2023 and has held it in 11 quarters since. The position peaked at $16.6M in Q4 2025. 413 funds tracked by Wall St. Rank hold CENX as of Q2 2026.

  • Steamboat Capital Partners held 296,666 shares of Century Aluminum worth $13.6M as of Q2 2026.
  • Steamboat Capital Partners bought 20,418 Century Aluminum shares in Q2 2026, an estimated $1.23M.
  • Century Aluminum made up 2.92% of Steamboat Capital Partners's portfolio in Q2 2026, its #9 holding.
  • Steamboat Capital Partners first reported a position in Century Aluminum in Q4 2023 and has held it in 11 quarters since.
  • Steamboat Capital Partners's Century Aluminum position peaked at $16.6M in Q4 2025.
  • 413 funds tracked by Wall St. Rank held Century Aluminum as of Q2 2026.

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