HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

Pension

Position in KALU — Kaiser Aluminum Corp

CIK 1535845 TORONTO, A6

Position in KALU

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$11,404,446

+$10,564,371 QoQ

Shares Held

58,296

+736.3% QoQ

Ownership

0.357%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#45

of 335 holders

Holding Since

Dec 2025

3 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $99,033,008 across 3 Aluminum names. KALU ranks #3 (11.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CSTM	Constellium SE	2,278,202	$72,606,297
2	CENX	Century Aluminum Co	326,500	$15,022,265
3	KALU	Kaiser Aluminum Corp This page	58,296	$11,404,446

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$11,404,446	58,296	+736.3%	Shares	Sole	2026-08-13
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.