South Dakota Investment Council’s Century Aluminum CENX Stock Holding History

South Dakota Investment Council’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	$1.79M	Sell	30,487 -286,874	-90%	-$14.4M	0.03%	329
2025 Q4	$12.4M	Sell	317,361 -63,800	-17%	-$1.99M	0.24%	91
2025 Q3	$11.2M	Sell	381,161 -57,258	-13%	-$1.3M	0.22%	99
2025 Q2	$7.9M	Buy	438,419 +159,745	+57%	+$2.71M	0.15%	140
2025 Q1	$5.17M	Buy	+278,674	New	+$5.35M	0.11%	180
2016 Q4	–	Sell	-40,500	Closed	-$281K	–	600
2016 Q3	$281K	Hold	40,500	–	–	0.01%	512
2016 Q2	$256K	Hold	40,500	–	–	0.01%	497
2016 Q1	$286K	Hold	40,500	–	–	0.01%	483
2015 Q4	$179K	Hold	40,500	–	–	﹤0.01%	511
2015 Q3	$186K	Hold	40,500	–	–	﹤0.01%	498
2015 Q2	$422K	Hold	40,500	–	–	0.01%	473
2015 Q1	$559K	Hold	40,500	–	–	0.01%	454
2014 Q4	$988K	Hold	40,500	–	–	0.02%	368
2014 Q3	$1.05M	Buy	+40,500	New	+$892K	0.02%	350

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

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 Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

South Dakota Investment Council's CENX Position: Q1 2026 in Review

South Dakota Investment Council reduced its Century Aluminum (CENX) stake by 90% in Q1 2026, selling an estimated $14.4M and leaving 30,487 shares worth $1.79M. The position accounts for 0.03% of the portfolio, ranked #329.

South Dakota Investment Council first reported a position in CENX in Q3 2014 and has held it in 14 quarters since. The position peaked at $12.4M in Q4 2025. 386 funds tracked by Wall St. Rank hold CENX as of Q1 2026.

South Dakota Investment Council held 30,487 shares of Century Aluminum worth $1.79M as of Q1 2026.
South Dakota Investment Council sold 286,874 Century Aluminum shares in Q1 2026, an estimated $14.4M.
Century Aluminum made up 0.03% of South Dakota Investment Council's portfolio in Q1 2026, its #329 holding.
South Dakota Investment Council first reported a position in Century Aluminum in Q3 2014 and has held it in 14 quarters since.
South Dakota Investment Council's Century Aluminum position peaked at $12.4M in Q4 2025.
386 funds tracked by Wall St. Rank held Century Aluminum as of Q1 2026.

Based on South Dakota Investment Council's 13F filing for Q1 2026, filed 18 May 2026.