Osterweis Capital Management Inc

Investment Portfolio & 13F Holdings Analysis

About

OSTERWEIS CAPITAL MANAGEMENT INC is an institutional investment manager that filed its latest Form 13F for 2025Q1, reporting 383 holdings worth $20.3 billion. Form 13F filings provide transparency into the equity holdings of institutional investment managers with over $100 million in assets under management. This page displays the most recent portfolio holdings, allowing investors to track position changes, new investments, and portfolio composition.

Filing Details

13F-HR • 2025-03-31

SEC FilingSEC DataHachi Filing

Report Date: 2025-03-31
Filing Date: 2025-05-14
Total Holdings: 383
Total Value: 20260502981
Accession Number: 0001085146-25-003082
Form Type: 13F-HR
CIK: 0001007524
Manager Name: Osterweis Capital Management Inc

Data Enrichment

93% identified

357 identified26 unidentified

Holdings

SEC FilingSEC DataHachi Filing

Manager:

383 positions • $20,260,502.981K total value

383 positions

Manager:

SEC FilingSEC DataHachi Filing

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55087PAB0

Value:

$849.0B(+1170164.1%)

MICROSOFT CORP

MSFT|594918104

204234(-5.1%)

Value:

$766.7B(+844731.1%)

Alphabet Inc.

GOOG|02079K107

483754(-0.6%)

Value:

$755.8B(+815518.5%)

009066AB7

Value:

$677.1B(+1017449.6%)

12685JAE5

Value:

$658.4B(+4410387.0%)

AMAZON COM INC

AMZN|023135106

334765(-3.2%)

Value:

$636.9B(+839592.9%)

92940WAD1

Value:

$510.3B(+1013303.7%)

VISA INC.

V|92826C839

137963(-6.0%)

Value:

$483.5B(+1042837.1%)

405024AB6

Value:

$466.0B(+1013743.2%)

UNITEDHEALTH GROUP INC

UNH|91324P102

85563(+25.5%)

Value:

$448.1B(+1299372.9%)

AUTOZONE INC

AZO|053332102

11576(-0.3%)

Value:

$441.4B(+1187361.1%)

American Water Works Company, Inc.

AWK|030420103

293206(+44.4%)

Value:

$432.5B(+1710886.9%)

Waste Connections, Inc.

WCN|94106B101

209225(-2.7%)

Value:

$408.4B(+1106428.0%)

THERMO FISHER SCIENTIFIC INC.

TMO|883556102

77455(+20.5%)

Value:

$385.4B(+1152356.6%)

BROWN & BROWN, INC.

BRO|115236101

300979(-2.5%)

Value:

$374.4B(+1188074.5%)

EASTGROUP PROPERTIES INC

EGP|277276101

212509(+1.3%)

Value:

$374.3B(+1111542.8%)

PROGRESSIVE CORP/OH/

PGR|743315103

130747(-9.8%)

Value:

$370.0B(+1064820.7%)

NVIDIA CORP

NVDA|67066G104

339121(+20.3%)

Value:

$367.5B(+971172.8%)

52603BAD9

Value:

$341.7B(+1078089.6%)

JPMORGAN CHASE & CO

JPM|46625H100

138416(+0.3%)

Value:

$339.5B(+1026117.9%)

Instrument	Shares		Other Manager	Value
(cusip55087PAB0)✕	—	QoQ - YoY NEW	All Managers (Combined)	$849.0M	QoQ +1170164.05% (+$848.9M) YoY NEW(+$849.0M)
Microsoft Corp(MSFTcusip594918104)	204.2K	QoQ -5.13% (-11.1K) YoY -18.06% (-45.0K)	All Managers (Combined)	$766.7M	QoQ +844731.10% (-$766.6M) YoY +631.09% (-$661.8M)
Alphabet Inc.(GOOGcusip02079K107)	483.8K	QoQ -0.57% (-2.8K) YoY -1.40% (-6.9K)	All Managers (Combined)	$755.8M	QoQ +815518.47% (-$755.7M) YoY +911.61% (-$681.1M)
(cusip009066AB7)✕	—	QoQ - YoY NEW	All Managers (Combined)	$677.1M	QoQ +1017449.59% (+$677.0M) YoY NEW(+$677.1M)
(cusip12685JAE5)✕	—	QoQ - YoY NEW	All Managers (Combined)	$658.4M	QoQ +4410387.00% (+$658.4M) YoY NEW(+$658.4M)
Amazon Com Inc(AMZNcusip023135106)	334.8K	QoQ -3.17% (-11.0K) YoY +5.33% (+17.0K)	All Managers (Combined)	$636.9M	QoQ +839592.94% (-$636.8M) YoY +1011.06% (+$579.6M)
(cusip92940WAD1)✕	—	QoQ - YoY NEW	All Managers (Combined)	$510.3M	QoQ +1013303.71% (+$510.3M) YoY NEW(+$510.3M)
Visa Inc.(Vcusip92826C839)	138.0K	QoQ -5.95% (-8.7K) YoY -1.80% (-2.5K)	All Managers (Combined)	$483.5M	QoQ +1042837.06% (-$483.5M) YoY +1133.12% (-$444.3M)
(cusip405024AB6)✕	—	QoQ - YoY -	All Managers (Combined)	$466.0M	QoQ +1013743.22% (+$465.9M) YoY +2704.45% (+$449.4M)
Unitedhealth Group Inc(UNHcusip91324P102)	85.6K	QoQ +25.50% (+17.4K) YoY +13248.36% (+84.9K)	All Managers (Combined)	$448.1M	QoQ +1299372.86% (+$448.1M) YoY +141221.97% (+$447.8M)
Autozone Inc(AZOcusip053332102)	11.6K	QoQ -0.27% (-32) YoY +385766.66% (+11.6K)	All Managers (Combined)	$441.4M	QoQ +1187361.09% (-$441.3M) YoY +4667984.74% (+$441.4M)
American Water Works Company, Inc.(AWKcusip030420103)	293.2K	QoQ +44.38% (+90.1K) YoY NEW(+293.2K)	All Managers (Combined)	$432.5M	QoQ +1710886.91% (+$432.5M) YoY NEW(+$432.5M)
Waste Connections, Inc.(WCNcusip94106B101)	209.2K	QoQ -2.73% (-5.9K) YoY -5.31% (-11.8K)	All Managers (Combined)	$408.4M	QoQ +1106427.97% (-$408.3M) YoY +974.41% (-$370.4M)
Thermo Fisher Scientific Inc.(TMOcusip883556102)	77.5K	QoQ +20.48% (+13.2K) YoY +44.19% (+23.7K)	All Managers (Combined)	$385.4M	QoQ +1152356.65% (+$385.4M) YoY +1134.55% (+$354.2M)
Brown & Brown, Inc.(BROcusip115236101)	301.0K	QoQ -2.55% (-7.9K) YoY -32.16% (-142.7K)	All Managers (Combined)	$374.4M	QoQ +1188074.49% (-$374.4M) YoY +864.03% (-$335.6M)
Eastgroup Properties Inc(EGPcusip277276101)	212.5K	QoQ +1.28% (+2.7K) YoY +9.59% (+18.6K)	All Managers (Combined)	$374.3M	QoQ +1111542.82% (+$374.3M) YoY +973.85% (+$339.5M)
Progressive Corp/Oh/(PGRcusip743315103)	130.7K	QoQ -9.83% (-14.3K) YoY -37.13% (-77.2K)	All Managers (Combined)	$370.0M	QoQ +1064820.74% (-$370.0M) YoY +760.30% (-$327.0M)
Nvidia Corp(NVDAcusip67066G104)	339.1K	QoQ +20.34% (+57.3K) YoY +24402.96% (+337.7K)	All Managers (Combined)	$367.5M	QoQ +971172.79% (+$367.5M) YoY +29290.75% (+$366.3M)
(cusip52603BAD9)✕	—	QoQ - YoY -	All Managers (Combined)	$341.7M	QoQ +1078089.61% (+$341.6M) YoY +1202.42% (+$315.4M)
Jpmorgan Chase & Co(JPMcusip46625H100)	138.4K	QoQ +0.28% (+391) YoY NEW(+138.4K)	All Managers (Combined)	$339.5M	QoQ +1026117.88% (+$339.5M) YoY NEW(+$339.5M)