WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in DY — Dycom Industries Inc

CIK 1644956 CHICAGO, IL

Position in DY

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$16,701,454

-$9,972,034 QoQ

Shares Held

49,293

-37.6% QoQ

Ownership

0.164%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2021

5 quarters on record

Voting authority Sole 83.04018826202504.ToString("F0")% Shared 0.ToString("F0")% None 16.959811737974967.ToString("F0")%

Industrials · as of Mar 31, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $253,727,498 across 5 Engineering & Construction names. DY ranks #4 (6.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	STRL	Sterling Infrastructure, Inc.	323,421	$131,719,670
2	APG	APi Group Corp	1,740,449	$70,522,993
3	AGX	Argan Inc	38,555	$20,998,980
4	DY	Dycom Industries Inc This page	49,293	$16,701,454
5	GVA	Granite Construction Inc	114,985	$13,784,401

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$16,701,454	49,293	-37.6%	Shares	Sole	2026-05-08
2025-12-31	$26,673,488	78,939	-6.5%	Shares	Sole	2026-02-09
2025-09-30	$24,633,588	84,431	-81.0%	Shares	Sole	2025-11-12
2021-09-30	$31,634,264	444,052	+68745.3%	Shares	Sole	2021-11-10
2021-06-30	$48,071	645	—	Shares	Sole	2021-08-12
No filing history on record for this holder in this stock.