HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

Pension

Position in MTZ — Mastec Inc

CIK 1535845 TORONTO, A6

Back to MTZ Full portfolio

Position in MTZ

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

Position Value

$5,051,318

+$4,485,058 QoQ

Shares Held

15,700

+241.3% QoQ

Ownership

0.020%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2022

9 quarters on record

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

Common Shares in MTZ Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Mar 31, 2026

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $235,329,091 across 13 Engineering & Construction names. MTZ ranks #8 (2.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PWR	Quanta Services, Inc.	221,485	$121,599,694
2	LGN	Legence Corp.	655,000	$36,981,300
3	FIX	Comfort Systems USA Inc	14,214	$19,600,963
4	ECG	Everus Construction Group, Inc.	114,800	$13,553,288
5	FER	Ferrovial N.V.	206,854	$13,455,852
6	EME	EMCOR Group, Inc.	9,017	$6,657,341
7	GVA	Granite Construction Inc	55,100	$6,605,388
8	MTZ	Mastec Inc This page	15,700	$5,051,318

All Filings in MTZ

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9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$5,051,318	15,700	+241.3%	Shares	Sole	2026-05-14
2024-09-30	$566,260	4,600	-52.3%	Shares	Sole	2024-11-13
2024-06-30	$1,031,811	9,644	-78.0%	Shares	Sole	2024-09-20
2023-09-30	$3,156,316	43,856	-7.6%	Shares	Sole	2023-11-13
2023-06-30	$5,598,502	47,457	-4.7%	Shares	Sole	2023-08-11
2023-03-31	$4,704,906	49,819	+71.5%	Shares	Sole	2023-05-12
2022-12-31	$2,478,495	29,046	+12.6%	Shares	Sole	2023-02-13
2022-09-30	$1,638,490	25,803	-27.5%	Shares	Sole	2022-11-14
2022-06-30	$2,551,525	35,606	—	Shares	Sole	2022-08-11
No filing history on record for this holder in this stock.