Driehaus Capital Management LLC

Position in MTZ — Mastec Inc

CIK 938206 Chicago, IL

Position in MTZ

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$33,461,603

+$10,812,736 QoQ

Shares Held

104,002

-0.2% QoQ

Ownership

0.132%

of shares outstanding

% of Portfolio

0.25%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

9 quarters on record

Voting authority Sole 98.91059787311782.ToString("F0")% Shared 0.ToString("F0")% None 1.0894021268821754.ToString("F0")%

Industrials · as of Mar 31, 2026

Driehaus Capital Management LLC holds $577,942,495 across 12 Engineering & Construction names. MTZ ranks #9 (5.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ROAD	Construction Partners, Inc.	794,464	$88,280,839
2	STRL	Sterling Infrastructure, Inc.	168,209	$68,506,479
3	MYRG	Myr Group Inc.	238,185	$67,244,389
4	ECG	Everus Construction Group, Inc.	515,769	$60,891,688
5	FIX	Comfort Systems USA Inc	41,105	$56,683,383
6	PWR	Quanta Services, Inc.	100,573	$55,216,588
7	LGN	Legence Corp.	914,566	$51,636,396
8	DY	Dycom Industries Inc	137,343	$46,534,555

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$33,461,603	104,002	-0.2%	Shares	Sole	2026-05-15
2025-12-31	$22,648,867	104,195	+6.5%	Shares	Sole	2026-02-17
2025-09-30	$20,826,225	97,863	+144.7%	Shares	Sole	2025-11-14
2021-06-30	$4,244,000	40,000	-50.7%	Shares	Sole	2021-08-16
2021-03-31	$7,599,070	81,100	+119.2%	Shares	Sole	2021-05-17
2020-12-31	$2,522,660	37,000	+22.5%	Shares	Sole	2021-02-16
2020-09-30	$1,274,440	30,200	-42.3%	Shares	Sole	2020-11-16
2020-06-30	$2,346,701	52,300	+302.3%	Shares	Sole	2020-08-14
2020-03-31	$425,490	13,000	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.