OSTERWEIS CAPITAL MANAGEMENT INC

Position in WCN — Waste Connections, Inc.

CIK 1007524 SAN FRANCISCO, CA

Position in WCN

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

Position Value

$39,109,378

-$2,567,555 QoQ

Shares Held

240,762

+1.3% QoQ

Ownership

0.095%

of shares outstanding

% of Portfolio

2.55%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Mar 31, 2026

OSTERWEIS CAPITAL MANAGEMENT INC holds $50,914,710 across 3 Waste Management names. WCN ranks #1 (76.8% of the industry book) .

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

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$39,109,378	240,762	+1.3%	Shares	Sole	2026-05-15
2025-12-31	$41,676,933	237,665	+11.2%	Shares	Sole	2026-02-17
2025-09-30	$37,585,511	213,797	+1.7%	Shares	Sole	2025-11-14
2025-06-30	$39,259,933	210,261	+0.5%	Shares	Sole	2025-08-14
2025-03-31	$40,838,627	209,225	-2.7%	Shares	Sole	2025-06-05
2024-12-31	$36,907,372	215,103	-3.9%	Shares	Sole	2025-06-05
2024-09-30	$40,037,261	223,897	+0.2%	Shares	Sole	2024-11-14
2024-06-30	$39,172,617	223,384	+1.1%	Shares	Sole	2024-08-14
2024-03-31	$38,010,080	220,976	-10.4%	Shares	Sole	2024-05-15
2023-12-31	$36,793,562	246,490	-0.1%	Shares	Sole	2024-02-14
2023-09-30	$33,122,946	246,634	-8.4%	Shares	Sole	2023-11-14
2023-06-30	$38,474,182	269,182	+0.7%	Shares	Sole	2023-08-14
2023-03-31	$37,177,999	267,333	+4.7%	Shares	Sole	2023-05-15
2022-12-31	$33,853,172	255,380	+0.5%	Shares	Sole	2023-02-14
2022-09-30	$34,354,099	254,230	-11.5%	Shares	Sole	2022-11-14
2022-06-30	$35,627,962	287,415	-1.4%	Shares	Sole	2022-08-15
2022-03-31	$40,714,307	291,441	-0.4%	Shares	Other	2022-05-16
2021-12-31	$39,893,178	292,751	-0.9%	Shares	Other	2022-02-14
2021-09-30	$37,187,254	295,301	-7.7%	Shares	Other	2021-11-15
2021-06-30	$38,222,496	320,041	+0.6%	Shares	Other	2021-08-16
2021-03-31	$34,353,405	318,146	+0.3%	Shares	Other	2021-05-14
2020-12-31	$32,523,510	317,086	-3.7%	Shares	Other	2021-02-12
2020-09-30	$34,161,306	329,107	-1.8%	Shares	Other	2020-11-13
2020-06-30	$31,448,067	335,303	-1.1%	Shares	Other	2020-08-14
2020-03-31	$26,284,202	339,151	—	Shares	Other	2020-05-15
No filing history on record for this holder in this stock.