MAIRS & POWER INC

Position in GLW — Corning Inc /Ny

CIK 1070134 St Paul, MN

Position in GLW

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$21,825,727

+$9,826,375 QoQ

Shares Held

85,447

-3.2% QoQ

Ownership

0.010%

of shares outstanding

% of Portfolio

0.20%

of 13F equity value

Holder Rank

#367

of 2,671 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 86% Shared 0% None 14%

Technology · as of Jun 30, 2026

MAIRS & POWER INC holds $307,790,855 across 3 Electronic Components names. GLW ranks #2 (7.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LFUS	Littelfuse Inc /De	602,104	$274,156,014
2	GLW	Corning Inc /Ny This page	85,447	$21,825,727
3	PLXS	Plexus Corp	39,276	$11,809,114

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$21,825,727	85,447	-3.2%	Shares	Sole	2026-08-14
2026-03-31	$11,999,352	88,250	-2.3%	Shares	Sole	2026-05-14
2025-12-31	$7,911,046	90,350	-2.5%	Shares	Sole	2026-02-17
2025-09-30	$7,598,110	92,626	-0.6%	Shares	Sole	2025-11-14
2025-06-30	$4,902,439	93,220	+4.5%	Shares	Sole	2025-08-14
2025-03-31	$4,085,636	89,245	-3.3%	Shares	Sole	2025-05-15
2024-12-31	$4,384,670	92,270	-7.0%	Shares	Sole	2025-02-14
2024-09-30	$4,478,247	99,186	-7.4%	Shares	Sole	2024-11-14
2024-06-30	$4,159,086	107,055	-14.7%	Shares	Sole	2024-08-14
2024-03-31	$4,135,161	125,460	-23.6%	Shares	Sole	2024-05-15
2023-12-31	$4,999,768	164,196	-14.3%	Shares	Sole	2024-02-14
2023-09-30	$5,835,340	191,511	-13.0%	Shares	Sole	2023-11-14
2023-06-30	$7,714,441	220,161	-22.3%	Shares	Sole	2023-08-14
2023-03-31	$9,990,343	283,173	-15.0%	Shares	Sole	2023-05-15
2022-12-31	$10,641,258	333,164	-4.0%	Shares	Sole	2023-02-14
2022-09-30	$10,072,000	347,071	-0.3%	Shares	Sole	2022-11-14
2022-06-30	$10,974,523	348,287	-17.4%	Shares	Sole	2022-08-15
2022-03-31	$15,572,513	421,905	-75.2%	Shares	Sole	2022-05-16
2021-12-31	$63,382,920	1,702,469	-0.9%	Shares	Sole	2022-02-14
2021-09-30	$62,673,837	1,717,562	+0.0%	Shares	Sole	2021-11-15
2021-06-30	$70,241,169	1,717,388	-0.5%	Shares	Sole	2021-08-16
2021-03-31	$75,132,676	1,726,791	-1.8%	Shares	Sole	2021-05-14
2020-12-31	$63,312,696	1,758,686	-13.2%	Shares	Sole	2021-02-16
2020-09-30	$65,695,685	2,027,019	-8.2%	Shares	Sole	2020-11-16
2020-06-30	$57,167,516	2,207,240	-8.3%	Shares	Sole	2020-08-14
2020-03-31	$49,438,527	2,406,939	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.