Osterweis Capital Management Inc

Investment Portfolio & 13F Holdings Analysis

About
CIK: 0001007524
Type: FundHoldings: 383Value: $20.3BLatest: 2025Q1

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-HR2025-03-31
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
Manager Name
Osterweis-Capital-Management
Data Enrichment
93% identified
357 identified26 unidentified

Holdings

383 positions • $20.3B total value
Manager:
Search and click to pin securities to the top
Page 1 of 17
55087PAB0
Shares:
Value:$849.0M
% of Portfolio:4.2% ($849.0M/$20.3B)
MICROSOFT CORP
Shares:204.2K
Value:$766.7M
% of Portfolio:3.8% ($766.7M/$20.3B)
Alphabet Inc.
Shares:483.8K
Value:$755.8M
% of Portfolio:3.7% ($755.8M/$20.3B)
009066AB7
Shares:
Value:$677.1M
% of Portfolio:3.3% ($677.1M/$20.3B)
12685JAE5
Shares:
Value:$658.4M
% of Portfolio:3.2% ($658.4M/$20.3B)
AMAZON COM INC
Shares:334.8K
Value:$636.9M
% of Portfolio:3.1% ($636.9M/$20.3B)
92940WAD1
Shares:
Value:$510.3M
% of Portfolio:2.5% ($510.3M/$20.3B)
VISA INC.
Shares:138.0K
Value:$483.5M
% of Portfolio:2.4% ($483.5M/$20.3B)
405024AB6
Shares:
Value:$466.0M
% of Portfolio:2.3% ($466.0M/$20.3B)
UNITEDHEALTH GROUP INC
Shares:85.6K
Value:$448.1M
% of Portfolio:2.2% ($448.1M/$20.3B)
AUTOZONE INC
Shares:11.6K
Value:$441.4M
% of Portfolio:2.2% ($441.4M/$20.3B)
American Water Works Company, Inc.
Shares:293.2K
Value:$432.5M
% of Portfolio:2.1% ($432.5M/$20.3B)
Waste Connections, Inc.
Shares:209.2K
Value:$408.4M
% of Portfolio:2.0% ($408.4M/$20.3B)
THERMO FISHER SCIENTIFIC INC.
Shares:77.5K
Value:$385.4M
% of Portfolio:1.9% ($385.4M/$20.3B)
BROWN & BROWN, INC.
Shares:301.0K
Value:$374.4M
% of Portfolio:1.8% ($374.4M/$20.3B)
EASTGROUP PROPERTIES INC
Shares:212.5K
Value:$374.3M
% of Portfolio:1.8% ($374.3M/$20.3B)
PROGRESSIVE CORP/OH/
Shares:130.7K
Value:$370.0M
% of Portfolio:1.8% ($370.0M/$20.3B)
NVIDIA CORP
Shares:339.1K
Value:$367.5M
% of Portfolio:1.8% ($367.5M/$20.3B)
52603BAD9
Shares:
Value:$341.7M
% of Portfolio:1.7% ($341.7M/$20.3B)
JPMORGAN CHASE & CO
Shares:138.4K
Value:$339.5M
% of Portfolio:1.7% ($339.5M/$20.3B)