WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in LFUS — Littelfuse Inc /De

CIK 1644956 CHICAGO, IL

Position in LFUS

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

Position Value

$146,471,009

+$43,113,483 QoQ

Shares Held

321,681

+5.6% QoQ

Ownership

1.27%

of shares outstanding

% of Portfolio

0.44%

of 13F equity value

Holder Rank

#20

of 609 holders

Holding Since

Mar 2020

9 quarters on record

Voting authority Sole 89% Shared 0% None 11%

Technology · as of Jun 30, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $839,006,758 across 8 Electronic Components names. LFUS ranks #2 (17.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	APH	Amphenol Corp /De/	6,140,236	$541,323,205
2	LFUS	Littelfuse Inc /De This page	321,681	$146,471,009
3	OSIS	Osi Systems Inc	379,351	$82,964,063
4	FN	Fabrinet	59,519	$33,454,439
5	KN	Knowles Corp	494,516	$20,512,523
6	CLS	Celestica Inc	34,892	$12,728,601
7	FLEX	Flex Ltd.	6,397	$1,036,761
8	JBL	Jabil Inc	1,339	$516,157

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$146,471,009	321,681	+5.6%	Shares	Sole	2026-08-12
2026-03-31	$103,357,526	304,575	+530.9%	Shares	Sole	2026-05-08
2021-09-30	$13,193,202	48,279	+1.2%	Shares	Sole	2021-11-10
2021-06-30	$12,157,304	47,715	-51.7%	Shares	Sole	2021-08-12
2021-03-31	$26,100,492	98,701	+7.9%	Shares	Sole	2021-05-13
2020-12-31	$23,286,874	91,443	-21.2%	Shares	Sole	2021-02-09
2020-09-30	$20,571,085	115,998	+3.4%	Shares	Sole	2020-11-06
2020-06-30	$19,137,178	112,156	-3.8%	Shares	Sole	2020-08-12
2020-03-31	$15,558,239	116,611	—	Shares	Sole	2020-05-08
No filing history on record for this holder in this stock.