OSTERWEIS CAPITAL MANAGEMENT INC

Position in CWST — Casella Waste Systems Inc

CIK 1007524 SAN FRANCISCO, CA

Position in CWST

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$11,763,741

-$3,978,644 QoQ

Shares Held

148,270

-7.8% QoQ

Ownership

0.233%

of shares outstanding

% of Portfolio

0.77%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2025

3 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Industrials · as of Mar 31, 2026

OSTERWEIS CAPITAL MANAGEMENT INC holds $50,914,710 across 3 Waste Management names. CWST ranks #2 (23.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WCN	Waste Connections, Inc.	240,762	$39,109,378
2	CWST	Casella Waste Systems Inc This page	148,270	$11,763,741
3	WM	Waste Management Inc	181	$41,591

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$11,763,741	148,270	-7.8%	Shares	Sole	2026-05-15
2025-12-31	$15,742,385	160,735	+30.5%	Shares	Sole	2026-02-17
2025-09-30	$11,687,792	123,185	—	Shares	Sole	2025-11-14
No filing history on record for this holder in this stock.