Sourcerock Group’s Century Aluminum CENX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$104M Sell
2,266,085
-421,164
-16% -$25.3M 5.42% 7
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

Sourcerock Group's CENX Position: Q2 2026 in Review

Sourcerock Group reduced its Century Aluminum (CENX) stake by 16% in Q2 2026, selling an estimated $25.3M and leaving 2,266,085 shares worth $104M. The position accounts for 5.42% of the portfolio, ranked #7.

Sourcerock Group first reported a position in CENX in Q2 2021 and has held it in 9 quarters since. The position peaked at $158M in Q1 2026. 414 funds tracked by Wall St. Rank hold CENX as of Q2 2026.

  • Sourcerock Group held 2,266,085 shares of Century Aluminum worth $104M as of Q2 2026.
  • Sourcerock Group sold 421,164 Century Aluminum shares in Q2 2026, an estimated $25.3M.
  • Century Aluminum made up 5.42% of Sourcerock Group's portfolio in Q2 2026, its #7 holding.
  • Sourcerock Group first reported a position in Century Aluminum in Q2 2021 and has held it in 9 quarters since.
  • Sourcerock Group's Century Aluminum position peaked at $158M in Q1 2026.
  • 414 funds tracked by Wall St. Rank held Century Aluminum as of Q2 2026.

Based on Sourcerock Group's 13F filing for Q2 2026, filed 14 Aug 2026.