MAIRS & POWER INC

Position in LFUS — Littelfuse Inc /De

CIK 1070134 St Paul, MN

Position in LFUS

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$245,930,338

+$48,918,052 QoQ

Shares Held

724,710

-7.0% QoQ

Ownership

2.87%

of shares outstanding

% of Portfolio

2.65%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 87.39454402450635.ToString("F0")% Shared 0.ToString("F0")% None 12.605455975493646.ToString("F0")%

Technology · as of Mar 31, 2026

MAIRS & POWER INC holds $267,219,794 across 3 Electronic Components names. LFUS ranks #1 (92.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LFUS	Littelfuse Inc /De This page	724,710	$245,930,338
2	GLW	Corning Inc /Ny	88,250	$11,999,352
3	PLXS	Plexus Corp	45,868	$9,290,104

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$245,930,338	724,710	-7.0%	Shares	Sole	2026-05-14
2025-12-31	$197,012,286	778,951	-4.3%	Shares	Sole	2026-02-17
2025-09-30	$210,818,081	813,938	-6.1%	Shares	Sole	2025-11-14
2025-06-30	$196,453,382	866,464	-1.9%	Shares	Sole	2025-08-14
2025-03-31	$173,805,427	883,427	+0.9%	Shares	Sole	2025-05-15
2024-12-31	$206,283,532	875,381	+1.7%	Shares	Sole	2025-02-14
2024-09-30	$228,376,006	860,984	+1.4%	Shares	Sole	2024-11-14
2024-06-30	$216,976,996	848,926	-1.0%	Shares	Sole	2024-08-14
2024-03-31	$207,875,954	857,751	-0.2%	Shares	Sole	2024-05-15
2023-12-31	$229,899,592	859,245	-2.1%	Shares	Sole	2024-02-14
2023-09-30	$217,151,659	878,019	-1.6%	Shares	Sole	2023-11-14
2023-06-30	$259,899,499	892,175	-0.3%	Shares	Sole	2023-08-14
2023-03-31	$239,786,398	894,425	+0.0%	Shares	Sole	2023-05-15
2022-12-31	$196,921,997	894,287	+0.4%	Shares	Sole	2023-02-14
2022-09-30	$177,000,204	890,836	+3.5%	Shares	Sole	2022-11-14
2022-06-30	$218,604,468	860,512	+3.0%	Shares	Sole	2022-08-15
2022-03-31	$208,393,777	835,547	+4.1%	Shares	Sole	2022-05-16
2021-12-31	$252,569,720	802,624	+3.7%	Shares	Sole	2022-02-14
2021-09-30	$211,467,530	773,841	+2.6%	Shares	Sole	2021-11-15
2021-06-30	$192,153,700	754,165	+2.3%	Shares	Sole	2021-08-16
2021-03-31	$194,941,994	737,188	+2.5%	Shares	Sole	2021-05-14
2020-12-31	$183,221,503	719,475	+10.5%	Shares	Sole	2021-02-16
2020-09-30	$115,427,591	650,883	+2.3%	Shares	Sole	2020-11-16
2020-06-30	$108,591,150	636,413	+5.2%	Shares	Sole	2020-08-14
2020-03-31	$80,731,508	605,093	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.