HALLSTATT ADVISORS L.P.

Position in CWST — Casella Waste Systems Inc

CIK 2040638 NEW YORK, NY

Position in CWST

as of Jun 30, 2026 · filed Aug 4, 2026 Compact

Position Value

$18,378,433

+$5,256,788 QoQ

Shares Held

189,527

+14.6% QoQ

Ownership

0.298%

of shares outstanding

% of Portfolio

12.63%

of 13F equity value

Holder Rank

#72

of 417 holders

Holding Since

Dec 2025

3 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

HALLSTATT ADVISORS L.P. holds $40,096,729 across 3 Waste Management names. CWST ranks #1 (45.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CWST	Casella Waste Systems Inc This page	189,527	$18,378,433
2	CLH	Clean Harbors Inc	39,917	$11,925,203
3	GFL	GFL Environmental Inc.	266,189	$9,793,093

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$18,378,433	189,527	+14.6%	Shares	Sole	2026-08-04
2026-03-31	$13,121,645	165,385	+13.9%	Shares	Sole	2026-05-07
2025-12-31	$14,215,011	145,140	—	Shares	Sole	2026-02-10
No filing history on record for this holder in this stock.