Harbor Capital Advisors’s Century Aluminum CENX Stock Holding History

Harbor Capital Advisors’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	$9K	Buy	159 +12	+8%	+$602	﹤0.01%	1002
2025 Q4	$6K	Sell	147 -3	-2%	-$94	﹤0.01%	1084
2025 Q3	$4K	Sell	150 -257	-63%	-$5.83K	﹤0.01%	1191
2025 Q2	$7K	Sell	407 -20	-5%	-$340	﹤0.01%	1058
2025 Q1	$8K	Buy	+427	New	+$8.2K	﹤0.01%	1017

Other funds holding CENX

Glencore Baar, Switzerland $4.87B AUM 67.38% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 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

Harbor Capital Advisors's CENX Position: Q1 2026 in Review

Harbor Capital Advisors increased its Century Aluminum (CENX) stake by 8.2% in Q1 2026, buying an estimated $602 and bringing the position to 159 shares worth $9K. The position accounts for ﹤0.01% of the portfolio, ranked #1002.

Harbor Capital Advisors first reported a position in CENX in Q1 2025 and has held it in 5 quarters since. 386 funds tracked by Wall St. Rank hold CENX as of Q1 2026.

Harbor Capital Advisors held 159 shares of Century Aluminum worth $9K as of Q1 2026.
Harbor Capital Advisors bought 12 Century Aluminum shares in Q1 2026, an estimated $602.
Century Aluminum made up ﹤0.01% of Harbor Capital Advisors's portfolio in Q1 2026, its #1002 holding.
Harbor Capital Advisors first reported a position in Century Aluminum in Q1 2025 and has held it in 5 quarters since.
386 funds tracked by Wall St. Rank held Century Aluminum as of Q1 2026.

Based on Harbor Capital Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.