IMC Chicago’s Century Aluminum CENX Stock Holding History

IMC Chicago’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	$7.67M	Buy	166,700 +56,800	+52%	+$3.42M	﹤0.01%	1749
2026 Q1	$6.45M	Buy	109,900 +8,500	+8%	+$426K	﹤0.01%	1592
2025 Q4	$3.97M	Buy	101,400 +15,500	+18%	+$484K	﹤0.01%	1904
2025 Q3	$2.52M	Buy	85,900 +48,200	+128%	+$1.09M	﹤0.01%	2067
2025 Q2	$679K	Buy	37,700 +15,700	+71%	+$267K	﹤0.01%	2704
2025 Q1	$408K	Sell	22,000 -8,800	-29%	-$169K	﹤0.01%	2780
2024 Q4	$561K	Sell	30,800 -14,500	-32%	-$285K	﹤0.01%	2689
2024 Q3	$735K	Buy	45,300 +4,700	+12%	+$71.2K	﹤0.01%	2210
2024 Q2	$680K	Buy	40,600 +8,700	+27%	+$148K	﹤0.01%	2170
2024 Q1	$491K	Sell	31,900 -16,400	-34%	-$184K	﹤0.01%	2051
2023 Q4	$586K	Buy	+48,300	New	+$379K	﹤0.01%	1597

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

IMC Chicago's CENX Position: Q2 2026 in Review

IMC Chicago increased its Century Aluminum (CENX) stake by 488% in Q2 2026, buying an estimated $3.72M and bringing the position to 74,506 shares worth $3.43M. The position accounts for ﹤0.01% of the portfolio, ranked #2510.

IMC Chicago first reported a position in CENX in Q4 2025 and has held it in 3 quarters since. 415 funds tracked by Wall St. Rank hold CENX as of Q2 2026.

IMC Chicago held 74,506 shares of Century Aluminum worth $3.43M as of Q2 2026.
IMC Chicago bought 61,826 Century Aluminum shares in Q2 2026, an estimated $3.72M.
Century Aluminum made up ﹤0.01% of IMC Chicago's portfolio in Q2 2026, its #2510 holding.
IMC Chicago first reported a position in Century Aluminum in Q4 2025 and has held it in 3 quarters since.
415 funds tracked by Wall St. Rank held Century Aluminum as of Q2 2026.

Based on IMC Chicago's 13F filing for Q2 2026, filed 6 Aug 2026.