HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

Pension

Position in ATKR — Atkore Inc.

CIK 1535845 TORONTO, A6

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Position in ATKR

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

Position Value

$7,410,878

+$3,426,128 QoQ

Shares Held

125,800

+99.7% QoQ

Ownership

0.373%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2020

9 quarters on record

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

Common Shares in ATKR Over Time

Shares Held

Position Value (USD)

Position in Electrical Equipment & Parts

Industrials · as of Mar 31, 2026

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $78,038,692 across 7 Electrical Equipment & Parts names. ATKR ranks #4 (9.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	FPS	Forgent Power Solutions, Inc.	710,000	$20,781,700
2	VRT	Vertiv Holdings Co	76,358	$19,133,787
3	BE	Bloom Energy Corp	115,340	$15,627,416
4	ATKR	Atkore Inc. This page	125,800	$7,410,878
5	NVT	nVent Electric plc	59,971	$7,093,369
6	ENS	EnerSys	36,556	$6,350,508
7	HUBB	Hubbell Inc	3,344	$1,641,034

All Filings in ATKR

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9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$7,410,878	125,800	+99.7%	Shares	Sole	2026-05-14
2025-12-31	$3,984,750	63,000	+84.8%	Shares	Sole	2026-02-13
2025-09-30	$2,139,434	34,100	-29.0%	Shares	Sole	2025-11-13
2024-12-31	$4,005,600	48,000	+122.2%	Shares	Sole	2025-02-14
2024-06-30	$2,914,488	21,600	-50.5%	Shares	Sole	2024-09-20
2021-09-30	$3,789,712	43,600	-46.8%	Shares	Sole	2021-11-10
2021-06-30	$5,814,900	81,900	+519.2%	Shares	Sole	2021-08-12
2021-03-31	$951,021	13,227	-79.3%	Shares	Sole	2021-05-13
2020-12-31	$2,631,040	64,000	—	Shares	Sole	2021-03-01
No filing history on record for this holder in this stock.