WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in HAYW — Hayward Holdings, Inc.

CIK 1644956 CHICAGO, IL

Position in HAYW

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

Position Value

$26,828,093

+$13,525,309 QoQ

Shares Held

1,549,861

+55.9% QoQ

Ownership

0.714%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

#33

of 283 holders

Holding Since

Sep 2025

4 quarters on record

Voting authority Sole 62% Shared 0% None 38%

Industrials · as of Jun 30, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $365,451,217 across 3 Electrical Equipment & Parts names. HAYW ranks #3 (7.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NVT	nVent Electric plc	1,167,763	$198,064,282
2	FPS	Forgent Power Solutions, Inc.	2,516,270	$140,558,842
3	HAYW	Hayward Holdings, Inc. This page	1,549,861	$26,828,093

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$26,828,093	1,549,861	+55.9%	Shares	Sole	2026-08-12
2026-03-31	$13,302,784	994,229	-45.4%	Shares	Sole	2026-05-08
2025-12-31	$28,153,654	1,822,243	-9.4%	Shares	Sole	2026-02-09
2025-09-30	$30,402,388	2,010,740	—	Shares	Sole	2025-11-12
No filing history on record for this holder in this stock.