SG
CENX icon

Sourcerock Group’s Century Aluminum CENX Stock Holding History

Sourcerock Group’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
Q1 		$158M Sell
2,687,249
-934,735
-26% -$46.9M 6.36% 6
2025
Q4 		$142M Buy
3,621,984
+981,519
+37% +$30.7M 7.92% 3
2025
Q3 		$77.5M Buy
2,640,465
+1,216,377
+85% +$27.6M 5.27% 6
2025
Q2 		$25.7M Buy
1,424,088
+1,224,088
+612% +$20.8M 1.34% 19
2025
Q1 		$3.71M Sell
200,000
-94,397
-32% -$1.81M 0.21% 35
2024
Q4 		$5.36M Sell
294,397
-637,994
-68% -$12.5M 0.38% 34
2024
Q3 		$15.1M Buy
+932,391
New +$14.1M 1.22% 21
2021
Q3 		– Sell
-300,000
Closed -$3.87M – 15
2021
Q2 		$3.87M Buy
+300,000
New +$4.32M 1.53% 13

Other funds holding CENX

G
Glencore Baar, Switzerland $4.87B AUM 67.38% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

Sourcerock Group's CENX Position: Q1 2026 in Review

Sourcerock Group reduced its Century Aluminum (CENX) stake by 26% in Q1 2026, selling an estimated $46.9M and leaving 2,687,249 shares worth $158M. The position accounts for 6.36% of the portfolio, ranked #6.

Sourcerock Group first reported a position in CENX in Q2 2021 and has held it in 8 quarters since. 386 funds tracked by Wall St. Rank hold CENX as of Q1 2026.

  • Sourcerock Group held 2,687,249 shares of Century Aluminum worth $158M as of Q1 2026.
  • Sourcerock Group sold 934,735 Century Aluminum shares in Q1 2026, an estimated $46.9M.
  • Century Aluminum made up 6.36% of Sourcerock Group's portfolio in Q1 2026, its #6 holding.
  • Sourcerock Group first reported a position in Century Aluminum in Q2 2021 and has held it in 8 quarters since.
  • 386 funds tracked by Wall St. Rank held Century Aluminum as of Q1 2026.

Based on Sourcerock Group's 13F filing for Q1 2026, filed 15 May 2026.