MAIRS & POWER INC

Position in ECL — Ecolab Inc.

CIK 1070134 St Paul, MN

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Position in ECL

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

Position Value

$216,630,698

+$13,971,874 QoQ

Shares Held

777,541

+2.1% QoQ

Ownership

0.277%

of shares outstanding

% of Portfolio

2.00%

of 13F equity value

Holder Rank

#54

of 1,707 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 83% Shared 0% None 17%

Common Shares in ECL Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Jun 30, 2026

MAIRS & POWER INC holds $515,325,694 across 5 Specialty Chemicals names. ECL ranks #1 (42.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ECL	Ecolab Inc. This page	777,541	$216,630,698
2	SHW	Sherwin Williams Co	440,586	$151,702,571
3	FUL	Fuller H B Co	2,435,168	$141,945,942
4	HWKN	Hawkins Inc	25,136	$3,571,825
5	SOLS	Solstice Advanced Materials Inc.	16,644	$1,474,658

All Filings in ECL

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$216,630,698	777,541	+2.1%	Shares	Sole	2026-08-14
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.