HARBOUR INVESTMENTS, INC.

Position in MTZ — Mastec Inc

CIK 810121 MADISON, WI

Position in MTZ

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$990,638

+$447,541 QoQ

Shares Held

2,381

+41.1% QoQ

Ownership

0.003%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#474

of 911 holders

Holding Since

Mar 2021

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

HARBOUR INVESTMENTS, INC. holds $18,947,401 across 28 Engineering & Construction names. MTZ ranks #4 (5.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	STRL	Sterling Infrastructure, Inc.	9,619	$8,073,803
2	PWR	Quanta Services, Inc.	5,879	$4,233,115
3	FIX	Comfort Systems USA Inc	1,399	$2,772,748
4	MTZ	Mastec Inc This page	2,381	$990,638
5	TTEK	Tetra Tech Inc	23,475	$678,192
6	IESC	IES Holdings, Inc.	880	$646,500
7	EME	EMCOR Group, Inc.	740	$614,111
8	ACA	Arcosa, Inc.	1,935	$281,136

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$990,638	2,381	+41.1%	Shares	Sole	2026-08-12
2026-03-31	$543,097	1,688	+421.0%	Shares	Sole	2026-05-15
2025-12-31	$70,427	324	+671.4%	Shares	Sole	2026-02-09
2025-09-30	$8,938	42	0.0%	Shares	Sole	2025-11-12
2025-06-30	$7,158	42	0.0%	Shares	Sole	2025-07-28
2025-03-31	$4,901	42	+200.0%	Shares	Sole	2025-05-08
2024-12-31	$1,905	14	-12.5%	Shares	Sole	2025-02-10
2022-12-31	$1,365	16	+6.7%	Shares	Sole	2023-02-16
2022-09-30	$952	15	0.0%	Shares	Sole	2022-11-15
2022-06-30	$1,074	15	+15.4%	Shares	Sole	2022-08-15
2021-12-31	$1,199	13	0.0%	Shares	Sole	2022-02-16
2021-09-30	$1,121	13	0.0%	Shares	Sole	2021-11-15
2021-06-30	$1,379	13	0.0%	Shares	Sole	2021-08-16
2021-03-31	$1,218	13	—	Shares	Sole	2021-08-17
No filing history on record for this holder in this stock.