Investment Management Corp of Ontario

Position in MTZ — Mastec Inc

CIK 1811568 Toronto, Z4

Position in MTZ

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$1,614,312

New position

Shares Held

3,880

first reported quarter

Ownership

0.005%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#417

of 908 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

Investment Management Corp of Ontario holds $36,707,314 across 6 Engineering & Construction names. MTZ ranks #4 (4.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	FIX	Comfort Systems USA Inc	11,990	$23,763,580
2	PWR	Quanta Services, Inc.	9,581	$6,898,703
3	EME	EMCOR Group, Inc.	2,845	$2,361,008
4	MTZ	Mastec Inc This page	3,880	$1,614,312
5	STN	Stantec Inc	16,305	$1,123,577
6	J	Jacobs Solutions Inc.	7,509	$946,134

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,614,312	3,880	—	Shares	Sole	2026-08-14
No filing history on record for this holder in this stock.