DF DENT & CO INC

Position in ECL — Ecolab Inc.

CIK 934999 BALTIMORE, MD

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Position in ECL

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

Position Value

$130,325,678

-$7,638,146 QoQ

Shares Held

467,771

-9.8% QoQ

Ownership

0.167%

of shares outstanding

% of Portfolio

4.89%

of 13F equity value

Holder Rank

#74

of 1,700 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in ECL Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Jun 30, 2026

DF DENT & CO INC holds $148,694,893 across 3 Specialty Chemicals names. ECL ranks #1 (87.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ECL	Ecolab Inc. This page	467,771	$130,325,678
2	SHW	Sherwin Williams Co	52,171	$17,963,518
3	RPM	Rpm International Inc/De/	3,650	$405,697

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	$130,325,678	467,771	-9.8%	Shares	Sole	2026-08-14
2026-03-31	$137,963,824	518,622	-26.9%	Shares	Sole	2026-05-15
2025-12-31	$186,368,985	709,923	-9.8%	Shares	Sole	2026-02-17
2025-09-30	$215,620,932	787,340	-4.2%	Shares	Sole	2025-11-14
2025-06-30	$221,494,768	822,056	-1.4%	Shares	Sole	2025-08-14
2025-03-31	$211,290,666	833,428	-6.7%	Shares	Sole	2025-05-15
2024-12-31	$209,224,796	892,902	-2.2%	Shares	Sole	2025-02-12
2024-09-30	$233,005,221	912,565	-9.9%	Shares	Sole	2024-11-15
2024-06-30	$241,038,546	1,012,767	-9.0%	Shares	Sole	2024-08-14
2024-03-31	$256,957,526	1,112,852	-2.6%	Shares	Sole	2024-05-15
2023-12-31	$226,594,246	1,142,396	-5.6%	Shares	Sole	2024-02-14
2023-09-30	$204,966,038	1,209,953	-0.7%	Shares	Sole	2023-11-14
2023-06-30	$227,513,688	1,218,671	-4.3%	Shares	Sole	2023-08-14
2023-03-31	$210,800,634	1,273,489	+1.5%	Shares	Sole	2023-05-15
2022-12-31	$182,704,728	1,255,185	-2.6%	Shares	Sole	2023-02-15
2022-09-30	$186,061,485	1,288,336	-2.3%	Shares	Sole	2022-11-14
2022-06-30	$202,850,801	1,319,269	+8.4%	Shares	Sole	2022-08-15
2022-03-31	$214,918,719	1,217,256	-0.1%	Shares	Sole	2022-05-16
2021-12-31	$285,949,492	1,218,933	-4.7%	Shares	Sole	2022-02-14
2021-09-30	$266,700,016	1,278,401	+3.7%	Shares	Sole	2021-11-15
2021-06-30	$253,966,777	1,233,028	+0.0%	Shares	Sole	2021-08-16
2021-03-31	$263,837,207	1,232,481	+0.8%	Shares	Sole	2021-05-17
2020-12-31	$264,439,735	1,222,221	+1.4%	Shares	Sole	2021-02-16
2020-09-30	$240,895,928	1,205,444	+5.9%	Shares	Sole	2020-11-16
2020-06-30	$226,466,376	1,138,308	+1.0%	Shares	Sole	2020-08-14
2020-03-31	$175,709,544	1,127,572	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.