Healthcare of Ontario Pension Plan (HOOPP) Trust Fund’s Century Aluminum CENX Stock Holding History

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund’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	$10.8M	Buy	184,061 +126,461	+220%	+$6.34M	0.02%	529
2025 Q4	$2.26M	Buy	+57,600	New	+$1.8M	﹤0.01%	877
2025 Q1	–	Sell	-119,400	Closed	-$2.18M	–	1133
2024 Q4	$2.18M	Buy	+119,400	New	+$2.35M	﹤0.01%	677
2022 Q2	–	Sell	-132,800	Closed	-$3.49M	–	1588
2022 Q1	$3.49M	Buy	+132,800	New	+$2.79M	0.01%	685
2021 Q4	–	Sell	-46,200	Closed	-$621K	–	1713
2021 Q3	$621K	Sell	46,200 -81,200	-64%	-$1.02M	﹤0.01%	1179
2021 Q2	$1.64M	Sell	127,400 -1,349,600	-91%	-$19.4M	﹤0.01%	1096
2021 Q1	$26.1M	Buy	1,477,000 +165,100	+13%	+$2.35M	0.06%	186
2020 Q4	$14.5M	Sell	1,311,900 -288,100	-18%	-$2.61M	0.04%	284
2020 Q3	$11.4M	Hold	1,600,000	–	–	0.09%	143
2020 Q2	$11.4M	Buy	+1,600,000	New	+$8.46M	0.09%	156

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 $552B AUM 44.19% 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

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's CENX Position: Q1 2026 in Review

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund increased its Century Aluminum (CENX) stake by 220% in Q1 2026, buying an estimated $6.34M and bringing the position to 184,061 shares worth $10.8M. The position accounts for 0.02% of the portfolio, ranked #529.

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in CENX in Q2 2020 and has held it in 10 quarters since. The position peaked at $26.1M in Q1 2021. 386 funds tracked by Wall St. Rank hold CENX as of Q1 2026.

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund held 184,061 shares of Century Aluminum worth $10.8M as of Q1 2026.
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund bought 126,461 Century Aluminum shares in Q1 2026, an estimated $6.34M.
Century Aluminum made up 0.02% of Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's portfolio in Q1 2026, its #529 holding.
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in Century Aluminum in Q2 2020 and has held it in 10 quarters since.
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's Century Aluminum position peaked at $26.1M in Q1 2021.
386 funds tracked by Wall St. Rank held Century Aluminum as of Q1 2026.

Based on Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's 13F filing for Q1 2026, filed 14 May 2026.