HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

Pension

Position in ATMU — Atmus Filtration Technologies Inc.

CIK 1535845 TORONTO, A6

Position in ATMU

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

Position Value

$25,809,799

+$23,041,803 QoQ

Shares Held

454,638

+752.6% QoQ

Ownership

0.557%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2024

7 quarters on record

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

Consumer Cyclical · as of Mar 31, 2026

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $106,092,315 across 14 Auto Parts names. ATMU ranks #1 (24.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ATMU	Atmus Filtration Technologies Inc. This page	454,638	$25,809,799
2	ORLY	O Reilly Automotive Inc	272,782	$25,180,506
3	MNRO	Monro, Inc.	900,000	$14,436,000
4	ADNT	Adient plc	527,356	$10,657,864
5	MGA	Magna International Inc	180,542	$10,076,049
6	ALSN	Allison Transmission Holdings Inc	38,700	$4,530,222
7	SLDP	Solid Power, Inc.	1,255,988	$3,767,964
8	AZO	Autozone Inc	1,045	$3,529,780

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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.