HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

Pension

Position in KALU — Kaiser Aluminum Corp

CIK 1535845 TORONTO, A6

Position in KALU

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$840,075

-$328,280 QoQ

Shares Held

6,971

-31.5% QoQ

Ownership

0.043%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2025

2 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Basic Materials · as of Mar 31, 2026

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $62,187,353 across 3 Aluminum names. KALU ranks #3 (1.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CSTM	Constellium SE	2,056,336	$50,544,738
2	CENX	Century Aluminum Co	184,061	$10,802,540
3	KALU	Kaiser Aluminum Corp This page	6,971	$840,075

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$840,075	6,971	-31.5%	Shares	Sole	2026-05-14
2025-12-31	$1,168,355	10,172	—	Shares	Sole	2026-02-13
No filing history on record for this holder in this stock.