HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

Pension

Position in ATMU — Atmus Filtration Technologies Inc.

CIK 1535845 TORONTO, A6

Position in ATMU

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

Position Value

$13,392,166

-$12,417,633 QoQ

Shares Held

262,643

-42.2% QoQ

Ownership

0.322%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#56

of 333 holders

Holding Since

Jun 2024

8 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Consumer Cyclical · as of Jun 30, 2026

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $138,468,411 across 21 Auto Parts names. ATMU ranks #2 (9.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ORLY	O Reilly Automotive Inc	553,210	$50,945,108
2	ATMU	Atmus Filtration Technologies Inc. This page	262,643	$13,392,166
3	ALSN	Allison Transmission Holdings Inc	115,000	$12,965,100
4	MNRO	Monro, Inc.	503,500	$8,614,885
5	AZO	Autozone Inc	2,630	$8,405,321
6	VC	Visteon Corp	82,000	$8,135,220
7	ADNT	Adient plc	400,047	$7,352,863
8	MBLY	Mobileye Global Inc.	683,388	$6,615,195

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$13,392,166	262,643	-42.2%	Shares	Sole	2026-08-13
2026-03-31	$25,809,799	454,638	+752.6%	Shares	Sole	2026-05-14
2025-12-31	$2,767,996	53,323	-21.4%	Shares	Sole	2026-02-13
2025-06-30	$2,469,276	67,800	0.0%	Shares	Sole	2025-08-13
2025-03-31	$2,490,294	67,800	0.0%	Shares	Sole	2025-05-14
2024-12-31	$2,656,404	67,800	-88.5%	Shares	Sole	2025-02-14
2024-09-30	$22,146,453	590,100	+18.9%	Shares	Sole	2024-11-13
2024-06-30	$14,280,636	496,200	—	Shares	Sole	2024-09-20
No filing history on record for this holder in this stock.