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OSTERWEIS CAPITAL MANAGEMENT INC

Position in CWST — Casella Waste Systems Inc

CIK 1007524 SAN FRANCISCO, CA

Position in CWST

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$11,932,643
+$168,902 QoQ
Shares Held
123,055
-17.0% QoQ
Ownership
0.193%
of shares outstanding
% of Portfolio
0.64%
of 13F equity value
Holder Rank
#85
of 417 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CWST Over Time

Shares Held

Position Value (USD)

Position in Waste Management

Industrials · as of Jun 30, 2026

OSTERWEIS CAPITAL MANAGEMENT INC holds $58,395,815 across 3 Waste Management names. CWST ranks #2 (20.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 CWST
Casella Waste Systems Inc
This page
123,055 $11,932,643

All Filings in CWST

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4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $11,932,643 123,055
2026-03-31 $11,763,741 148,270
2025-12-31 $15,742,385 160,735
2025-09-30 $11,687,792 123,185