Acadian Asset Management
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Acadian Asset Management’s Century Aluminum CENX Stock Holding History

Acadian Asset 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
Q1 		$464K Buy
+7,947
New +$398K ﹤0.01% 1375
2024
Q4 		– Sell
-5,353
Closed -$86K – 1694
2024
Q3 		$86K Buy
+5,353
New +$81.1K ﹤0.01% 1639
2017
Q4 		– Sell
-28,583
Closed -$474K – 1583
2017
Q3 		$474K Buy
+28,583
New +$493K ﹤0.01% 794
2017
Q2 		– Sell
-188,224
Closed -$2.39M – 1454
2017
Q1 		$2.39M Buy
+188,224
New +$2.5M 0.01% 576
2016
Q3 		– Sell
-319,494
Closed -$2.02M – 1429
2016
Q2 		$2.02M Sell
319,494
-491,045
-61% -$3.45M 0.01% 520
2016
Q1 		$5.71M Sell
810,539
-1,269,177
-61% -$7.03M 0.03% 377
2015
Q4 		$9.19M Buy
2,079,716
+658,539
+46% +$2.82M 0.05% 303
2015
Q3 		$6.54M Buy
1,421,177
+781,441
+122% +$5.45M 0.04% 348
2015
Q2 		$6.67M Buy
+639,736
New +$8.15M 0.03% 350
2015
Q1 		– Sell
-9,969
Closed -$244K – 1360
2014
Q4 		$244K Buy
+9,969
New +$257K ﹤0.01% 863

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
SG
Sourcerock Group Denver, Colorado $2.48B AUM 72.25% 1-Year Est. Return
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

Acadian Asset Management's CENX Position: Q1 2026 in Review

Acadian Asset Management opened a new position in Century Aluminum (CENX) in Q1 2026: 7,947 shares worth $464K. The stake represents ﹤0.01% of the portfolio and ranks #1375 among its holdings. This is a return to the name: Acadian Asset Management previously reported a position in CENX as recently as Q3 2024.

Acadian Asset Management first reported a position in CENX in Q4 2014 and has held it in 10 quarters since. The position peaked at $9.19M in Q4 2015. 386 funds tracked by Wall St. Rank hold CENX as of Q1 2026.

  • Acadian Asset Management held 7,947 shares of Century Aluminum worth $464K as of Q1 2026.
  • Century Aluminum was a new Acadian Asset Management position in Q1 2026.
  • Century Aluminum made up ﹤0.01% of Acadian Asset Management's portfolio in Q1 2026, its #1375 holding.
  • Acadian Asset Management first reported a position in Century Aluminum in Q4 2014 and has held it in 10 quarters since.
  • Acadian Asset Management's Century Aluminum position peaked at $9.19M in Q4 2015.
  • 386 funds tracked by Wall St. Rank held Century Aluminum as of Q1 2026.

Based on Acadian Asset Management's 13F filing for Q1 2026, filed 13 May 2026.