BlackRock, Inc.

Position in MTZ — Mastec Inc

CIK 2012383 New York, NY

Position in MTZ

as of Jun 30, 2026 · filed Aug 7, 2026 Compact

Position Value

$3,178,068,892

+$826,275,302 QoQ

Shares Held

7,638,487

+4.5% QoQ

Ownership

9.51%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

of 910 holders

Holding Since

Sep 2024

8 quarters on record

Voting authority Sole 92% Shared 0% None 8%

Industrials · as of Jun 30, 2026

BlackRock, Inc. holds $43,917,927,900 across 42 Engineering & Construction names. MTZ ranks #4 (7.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PWR	Quanta Services, Inc.	13,061,264	$9,404,632,521
2	FIX	Comfort Systems USA Inc	3,397,683	$6,734,037,811
3	EME	EMCOR Group, Inc.	4,116,754	$3,416,411,801
4	MTZ	Mastec Inc This page	7,638,487	$3,178,068,892
5	STRL	Sterling Infrastructure, Inc.	3,233,353	$2,713,947,165
6	AGX	Argan Inc	2,209,112	$1,764,086,380
7	APG	APi Group Corp	36,185,639	$1,532,461,803
8	DY	Dycom Industries Inc	2,993,578	$1,513,523,093

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,662,848,489	6,400,155	—	Shares	Sole	2026-07-29
2026-06-30	$3,178,068,892	7,638,487	+4.5%	Shares	Sole	2026-08-07
2026-03-31	$2,351,793,590	7,309,609	+2.8%	Shares	Sole	2026-05-13
2025-12-31	$1,545,773,274	7,111,254	-8.2%	Shares	Sole	2026-02-12
2025-09-30	$1,647,865,496	7,743,365	-5.2%	Shares	Sole	2025-11-12
2025-06-30	$1,391,418,971	8,164,167	+6.4%	Shares	Sole	2025-08-12
2025-03-31	$895,310,294	7,671,239	+5.2%	Shares	Sole	2025-05-02
2024-12-31	$992,912,574	7,293,320	+20.6%	Shares	Sole	2025-02-07
2024-09-30	$744,172,235	6,045,266	—	Shares	Sole	2024-11-13
No filing history on record for this holder in this stock.