Conestoga Capital Advisors, LLC

Position in CWST — Casella Waste Systems Inc

CIK 1163744 WAYNE, PA

Back to CWST Full portfolio

Position in CWST

as of Mar 31, 2026 · filed Apr 24, 2026 Compact

Position Value

$222,507,046

-$49,504,360 QoQ

Shares Held

2,804,475

+1.0% QoQ

Ownership

4.41%

of shares outstanding

% of Portfolio

4.48%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 95% Shared 0% None 5%

Common Shares in CWST Over Time

Shares Held

Position Value (USD)

Position in Waste Management

Industrials · as of Mar 31, 2026

Conestoga Capital Advisors, LLC holds $224,839,077 across 3 Waste Management names. CWST ranks #1 (99.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CWST	Casella Waste Systems Inc This page	2,804,475	$222,507,046
2	ONT	Onterris, Inc.	83,515	$1,828,143
3	WCN	Waste Connections, Inc.	3,102	$503,888

All Filings in CWST

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$222,507,046	2,804,475	+1.0%	Shares	Sole	2026-04-24
2025-12-31	$272,011,406	2,777,327	-3.4%	Shares	Sole	2026-02-02
2025-09-30	$272,880,667	2,876,061	+7.3%	Shares	Sole	2025-10-24
2025-06-30	$309,231,553	2,680,114	-6.9%	Shares	Sole	2025-07-30
2025-03-31	$321,085,462	2,879,432	-11.0%	Shares	Sole	2025-04-17
2024-12-31	$342,308,787	3,235,127	-0.3%	Shares	Sole	2025-01-24
2024-09-30	$322,715,713	3,243,700	-4.2%	Shares	Sole	2024-10-28
2024-06-30	$336,055,163	3,386,970	+3.1%	Shares	Sole	2024-07-26
2024-03-31	$324,785,478	3,284,975	+7.7%	Shares	Sole	2024-04-26
2023-12-31	$260,628,643	3,049,715	+0.1%	Shares	Sole	2024-01-26
2023-09-30	$232,383,476	3,045,655	-0.3%	Shares	Sole	2023-10-30
2023-06-30	$276,177,768	3,053,375	-0.1%	Shares	Sole	2023-07-28
2023-03-31	$252,654,175	3,056,547	+1.0%	Shares	Sole	2023-04-24
2022-12-31	$240,069,070	3,026,971	-0.3%	Shares	Sole	2023-02-01
2022-09-30	$231,841,816	3,034,976	-0.1%	Shares	Sole	2022-10-24
2022-06-30	$220,707,792	3,036,706	-0.7%	Shares	Sole	2022-07-22
2022-03-31	$267,934,743	3,056,871	-13.6%	Shares	Sole	2022-04-25
2021-12-31	$302,332,302	3,539,362	+0.0%	Shares	Sole	2022-01-21
2021-09-30	$268,701,311	3,538,337	+3.3%	Shares	Sole	2021-10-22
2021-06-30	$217,210,136	3,424,407	-0.0%	Shares	Sole	2021-07-27
2021-03-31	$217,694,320	3,424,482	+25.5%	Shares	Sole	2021-04-23
2020-12-31	$169,090,356	2,729,465	+12.7%	Shares	Sole	2021-01-26
2020-09-30	$135,301,595	2,422,589	+18.4%	Shares	Sole	2020-10-23
2020-06-30	$106,663,319	2,046,495	+4.4%	Shares	Sole	2020-08-03
2020-03-31	$76,557,795	1,960,005	—	Shares	Sole	2020-04-17
No filing history on record for this holder in this stock.