OSTERWEIS CAPITAL MANAGEMENT INC

Position in AWK — American Water Works Company, Inc.

CIK 1007524 SAN FRANCISCO, CA

Position in AWK

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$32,786,445

-$2,111,385 QoQ

Shares Held

249,175

-2.8% QoQ

Ownership

0.125%

of shares outstanding

% of Portfolio

1.77%

of 13F equity value

Holder Rank

#93

of 1,121 holders

Holding Since

Mar 2020

18 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Utilities · as of Jun 30, 2026

OSTERWEIS CAPITAL MANAGEMENT INC holds $32,786,445 across 1 Utilities - Regulated Water name. AWK ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	AWK	American Water Works Company, Inc. This page	249,175	$32,786,445

18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$32,786,445	249,175	-2.8%	Shares	Sole	2026-08-14
2026-03-31	$34,897,830	256,432	-15.4%	Shares	Sole	2026-05-15
2025-12-31	$39,553,897	303,095	+1.7%	Shares	Sole	2026-02-17
2025-09-30	$41,486,831	298,059	+1.1%	Shares	Sole	2025-11-14
2025-06-30	$41,029,520	294,943	+0.6%	Shares	Sole	2025-08-14
2025-03-31	$43,253,749	293,206	+44.4%	Shares	Sole	2025-06-05
2024-12-31	$25,279,685	203,066	+70902.1%	Shares	Sole	2025-06-05
2023-03-31	$41,896	286	0.0%	Shares	Sole	2023-05-15
2022-12-31	$43,592	286	0.0%	Shares	Sole	2023-02-14
2022-09-30	$37,225	286	-99.5%	Shares	Sole	2022-11-14
2021-12-31	$10,231,867	54,177	-6.3%	Shares	Other	2022-02-14
2021-09-30	$9,772,709	57,813	-0.2%	Shares	Other	2021-11-15
2021-06-30	$8,929,213	57,933	-2.9%	Shares	Other	2021-08-16
2021-03-31	$8,945,126	59,666	-10.6%	Shares	Other	2021-05-14
2020-12-31	$10,241,820	66,735	-53.5%	Shares	Other	2021-02-12
2020-09-30	$20,791,438	143,508	-10.6%	Shares	Other	2020-11-13
2020-06-30	$20,652,888	160,523	-4.5%	Shares	Other	2020-08-14
2020-03-31	$20,103,893	168,149	—	Shares	Other	2020-05-15
No filing history on record for this holder in this stock.