MAIRS & POWER INC

Position in ECL — Ecolab Inc.

CIK 1070134 St Paul, MN

Position in ECL

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

Position Value

$202,658,824

+$368,526 QoQ

Shares Held

761,818

-1.1% QoQ

Ownership

0.271%

of shares outstanding

% of Portfolio

2.19%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 82.5022511938547.ToString("F0")% Shared 0.ToString("F0")% None 17.4977488061453.ToString("F0")%

Basic Materials · as of Mar 31, 2026

MAIRS & POWER INC holds $494,327,123 across 5 Specialty Chemicals names. ECL ranks #1 (41.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ECL	Ecolab Inc. This page	761,818	$202,658,824
2	FUL	Fuller H B Co	2,361,617	$145,664,536
3	SHW	Sherwin Williams Co	437,760	$140,323,968
4	HWKN	Hawkins Inc	25,951	$3,986,073
5	SOLS	Solstice Advanced Materials Inc.	22,239	$1,693,722

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$202,658,824	761,818	-1.1%	Shares	Sole	2026-05-14
2025-12-31	$202,290,298	770,571	-0.8%	Shares	Sole	2026-02-17
2025-09-30	$212,797,161	777,029	-1.5%	Shares	Sole	2025-11-14
2025-06-30	$212,569,029	788,929	+2.0%	Shares	Sole	2025-08-14
2025-03-31	$196,018,114	773,186	-1.3%	Shares	Sole	2025-05-15
2024-12-31	$183,544,964	783,309	-1.4%	Shares	Sole	2025-02-14
2024-09-30	$202,905,389	794,679	-4.8%	Shares	Sole	2024-11-14
2024-06-30	$198,585,058	834,391	-15.9%	Shares	Sole	2024-08-14
2024-03-31	$228,952,127	991,564	-19.2%	Shares	Sole	2024-05-15
2023-12-31	$243,282,225	1,226,530	-12.5%	Shares	Sole	2024-02-14
2023-09-30	$237,471,865	1,401,841	-7.0%	Shares	Sole	2023-11-14
2023-06-30	$281,516,198	1,507,934	-10.9%	Shares	Sole	2023-08-14
2023-03-31	$280,278,541	1,693,219	-4.8%	Shares	Sole	2023-05-15
2022-12-31	$258,845,563	1,778,274	-0.3%	Shares	Sole	2023-02-14
2022-09-30	$257,597,332	1,783,668	-0.9%	Shares	Sole	2022-11-14
2022-06-30	$276,852,568	1,800,550	-0.4%	Shares	Sole	2022-08-15
2022-03-31	$319,053,630	1,807,055	-0.4%	Shares	Sole	2022-05-16
2021-12-31	$425,419,581	1,813,460	-0.8%	Shares	Sole	2022-02-14
2021-09-30	$381,325,649	1,827,848	+1.5%	Shares	Sole	2021-11-15
2021-06-30	$370,984,307	1,801,157	+7.0%	Shares	Sole	2021-08-16
2021-03-31	$360,250,910	1,682,865	+6.0%	Shares	Sole	2021-05-14
2020-12-31	$343,584,439	1,588,022	-0.5%	Shares	Sole	2021-02-16
2020-09-30	$318,844,320	1,595,498	-3.8%	Shares	Sole	2020-11-16
2020-06-30	$329,870,440	1,658,057	-4.3%	Shares	Sole	2020-08-14
2020-03-31	$270,028,924	1,732,843	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.