WOODSTOCK CORP

Position in ECL — Ecolab Inc.

CIK 1008877 BOSTON, MA

Position in ECL

as of Jun 30, 2026 · filed Jul 13, 2026 Compact

Position Value

$13,241,218

+$461,884 QoQ

Shares Held

47,526

-1.1% QoQ

Ownership

0.017%

of shares outstanding

% of Portfolio

1.19%

of 13F equity value

Holder Rank

#319

of 1,701 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 96% Shared 0% None 4%

Basic Materials · as of Jun 30, 2026

WOODSTOCK CORP holds $27,388,173 across 4 Specialty Chemicals names. ECL ranks #1 (48.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ECL	Ecolab Inc. This page	47,526	$13,241,218
2	APD	Air Products & Chemicals, Inc.	33,930	$9,947,597
3	SHW	Sherwin Williams Co	11,227	$3,865,680
4	LIN	Linde PLC	643	$333,678

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$13,241,218	47,526	-1.1%	Shares	Sole	2026-07-13
2026-03-31	$12,779,334	48,039	-0.8%	Shares	Sole	2026-04-08
2025-12-31	$12,708,593	48,410	-0.2%	Shares	Sole	2026-01-14
2025-09-30	$13,279,197	48,489	-0.0%	Shares	Sole	2025-10-07
2025-06-30	$13,067,570	48,499	-0.6%	Shares	Sole	2025-07-09
2025-03-31	$12,375,325	48,814	-1.2%	Shares	Sole	2025-04-09
2024-12-31	$11,581,266	49,425	-0.3%	Shares	Sole	2025-01-15
2024-09-30	$12,660,538	49,585	-2.0%	Shares	Sole	2024-10-11
2024-06-30	$12,040,658	50,591	-0.2%	Shares	Sole	2024-07-08
2024-03-31	$11,706,860	50,701	-0.8%	Shares	Sole	2024-04-09
2023-12-31	$10,132,908	51,086	+0.1%	Shares	Sole	2024-01-08
2023-09-30	$8,648,886	51,056	+0.2%	Shares	Sole	2023-10-10
2023-06-30	$9,508,681	50,933	+2.3%	Shares	Sole	2023-07-07
2023-03-31	$8,240,248	49,781	-4.2%	Shares	Sole	2023-04-06
2022-12-31	$7,562,569	51,955	+15.5%	Shares	Sole	2023-01-10
2022-09-30	$6,497,455	44,990	-0.5%	Shares	Sole	2022-10-11
2022-06-30	$6,949,952	45,200	+0.9%	Shares	Sole	2022-07-11
2022-03-31	$7,910,770	44,805	-13.1%	Shares	Sole	2022-04-07
2021-12-31	$12,098,275	51,572	-1.2%	Shares	Sole	2022-01-07
2021-09-30	$10,891,424	52,207	-0.3%	Shares	Sole	2021-10-05
2021-06-30	$10,783,353	52,354	+2.8%	Shares	Sole	2021-07-06
2021-03-31	$10,897,019	50,904	-2.1%	Shares	Sole	2021-04-05
2020-12-31	$11,250,287	51,998	-0.1%	Shares	Sole	2021-01-06
2020-09-30	$10,400,273	52,043	-2.5%	Shares	Sole	2020-10-02
2020-06-30	$10,624,526	53,403	-0.4%	Shares	Sole	2020-07-07
2020-03-31	$8,359,188	53,643	—	Shares	Sole	2020-04-03
No filing history on record for this holder in this stock.