Leeward Investments, LLC - MA

Position in CLH — Clean Harbors Inc

CIK 1923173 BOSTON, MA

Position in CLH

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

Position Value

$40,500,342

+$171,481 QoQ

Shares Held

135,566

-3.6% QoQ

Ownership

0.257%

of shares outstanding

% of Portfolio

1.86%

of 13F equity value

Holder Rank

#56

of 655 holders

Holding Since

Mar 2022

18 quarters on record

Voting authority Sole 91% Shared 0% None 9%

Industrials · as of Jun 30, 2026

Leeward Investments, LLC - MA holds $40,500,342 across 1 Waste Management name. CLH ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	CLH	Clean Harbors Inc This page	135,566	$40,500,342

18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$40,500,342	135,566	-3.6%	Shares	Sole	2026-07-30
2026-03-31	$40,328,861	140,651	-3.0%	Shares	Sole	2026-04-17
2025-12-31	$33,993,503	144,974	-2.8%	Shares	Sole	2026-02-05
2025-09-30	$34,651,403	149,218	-2.8%	Shares	Sole	2025-11-07
2025-06-30	$35,492,140	153,526	-2.8%	Shares	Sole	2025-07-31
2025-03-31	$31,132,733	157,954	-8.5%	Shares	Sole	2025-04-29
2024-12-31	$39,729,298	172,631	-16.7%	Shares	Sole	2025-02-04
2024-09-30	$50,090,288	207,233	-12.7%	Shares	Sole	2024-10-31
2024-06-30	$53,704,518	237,473	+0.2%	Shares	Sole	2024-07-19
2024-03-31	$47,697,988	236,938	-2.8%	Shares	Sole	2024-04-19
2023-12-31	$42,542,047	243,780	-1.7%	Shares	Sole	2024-02-02
2023-09-30	$41,515,154	248,059	-10.5%	Shares	Sole	2023-10-11
2023-06-30	$45,588,053	277,249	-17.0%	Shares	Sole	2023-07-27
2023-03-31	$47,612,759	333,984	-7.5%	Shares	Sole	2023-04-20
2022-12-31	$41,186,478	360,905	-13.6%	Shares	Sole	2023-02-02
2022-09-30	$45,946,344	417,770	-17.4%	Shares	Sole	2022-10-24
2022-06-30	$44,325,162	505,591	-1.9%	Shares	Sole	2022-07-19
2022-03-31	$57,553,322	515,526	—	Shares	Sole	2022-05-09
No filing history on record for this holder in this stock.