Osterweis Capital Management
SAN FRANCISCO, CAfiles as OSTERWEIS CAPITAL MANAGEMENT INC
$1.8bn in 200 US stocks at the end of 30 June 2026. The top 10 are 33.0% of the money. It changed about 16.2% of the portfolio this quarter.
Value
$1.8bn
Stocks
200
Top 10 share
33.0%
Turnover
16.2%
What changed this quarter
New
Bought for the first time this quarter.
- Arthur J. GallagherAJG1.1% of the fund
- Dutch BrosBROS0.8% of the fund
- SemtechSMTC0.5% of the fund
- NavanNAVN0.4% of the fund
- Bank of AmericaBAC0.4% of the fund
- DaveDAVE0.4% of the fund
- Mayville Engineering CompanyMEC0.4% of the fund
- AgilysysAGYS0.4% of the fund
- Waystar HoldingWAY0.3% of the fund
- Galaxy DigitalGLXY0.3% of the fund
- Arrowhead PharmaceuticalsARWR0.2% of the fund
- Space Exploration TechnologiesSPCX<0.1% of the fund
- Marriott Vacations WorldwideVAC<0.1% of the fund
- Host Hotels & ResortsHST<0.1% of the fund
Added
Bought more of a stock they already held.
- AppleAAPL3.8% of the fund+426%
- Waste ConnectionsWCN2.5% of the fund+16%
- AbbVieABBV1.8% of the fund+26%
- BoeingBA1.7% of the fund+35%
- Boston ScientificBSX1.6% of the fund+60%
- SynopsysSNPS1.6% of the fund+54%
- NVRNVR1.5% of the fund+45%
- SPX TechnologiesSPXC0.9% of the fund+45%
- Cardinal Infrastructure GroupCDNL0.9% of the fund+6%
- TwilioTWLO0.9% of the fund+22%
- Loar HoldingsLOAR0.8% of the fund+36%
- RepligenRGEN0.8% of the fund+20%
- Alignment HealthcareALHC0.8% of the fund+74%
- AtriCureATRC0.8% of the fund+43%
- Boot Barn HoldingsBOOT0.7% of the fund+38%
- FirstServiceFSV0.7% of the fund+41%
- Affirm HoldingsAFRM0.7% of the fund+159%
- TranscatTRNS0.7% of the fund+32%
- Micron TechnologyMU0.6% of the fund+4618%
- ServiceTitanTTAN0.5% of the fund+128%
- Cogent BiosciencesCOGT0.4% of the fund+14%
- Turning Point BrandsTPB0.4% of the fund+29%
- PROCEPT BioRoboticsPRCT0.2% of the fund+65%
- Marriott InternationalMAR<0.1% of the fund+192%
Cut
Sold some of their stake.
- Amazon.comAMZN3.3% of the fund-2%
- Applied MaterialsAMAT3.2% of the fund-43%
- Analog DevicesADI2.9% of the fund-10%
- MicrosoftMSFT2.9% of the fund-3%
- Eli LillyLLY2.8% of the fund-3%
- BroadcomAVGO2.8% of the fund-13%
- NvidiaNVDA2.4% of the fund-3%
- DanaherDHR1.9% of the fund-3%
- Terreno RealtyTRNO1.8% of the fund-8%
- American Water Works CompanyAWK1.8% of the fund-3%
- Canadian Pacific Kansas CityCP1.4% of the fund-5%
- Air Products & ChemicalsAPD1.1% of the fund-38%
- Life Time Group HoldingsLTH1.0% of the fund-17%
- SLB LimitedSLB0.9% of the fund-3%
- Keysight TechnologiesKEYS0.8% of the fund-63%
- Guardant HealthGH0.8% of the fund-35%
- DigitalOcean HoldingsDOCN0.8% of the fund-21%
- CorpayCPAY0.7% of the fund-2%
- SitimeSITM0.7% of the fund-34%
- Lattice SemiconductorLSCC0.7% of the fund-25%
- Casella Waste SystemsCWST0.6% of the fund-17%
- Twist BioscienceTWST0.6% of the fund-47%
- MACOM Technology Solutions HoldingsMTSI0.5% of the fund-31%
- Intercontinental ExchangeICE0.5% of the fund-57%
- NextpowerNXT0.5% of the fund-9%
Sold out
Sold their entire stake.
- Brown & BrownBRO-100%
- ArtivionAORT-100%
- Palomar HoldingsPLMR-100%
- Modine ManufacturingMOD-100%
- RambusRMBS-100%
- Cava GroupCAVA-100%
- FastlyFSLY-100%
- S&P GlobalSPGI-100%
- ServiceNowNOW-100%
- Palo Alto NetworksPANW-100%
- Costar GroupCSGP-100%
Holdings
- FirstServiceFSV
- Share
- 0.7%
- Value
- $13m
- Shares
- 91,739
+41%
- Berkshire Hathaway INC DELBRK-A
- Share
- 0.2%
- Value
- $4m
- Shares
- 5
Held
| Company | Share of fund | Value | Shares | Change |
|---|---|---|---|---|
| AlphabetGOOG | 6.2% | $114m | 322,182 | Held |
| AppleAAPL | 3.8% | $69m | 239,818 | +426% |
| Amazon.comAMZN | 3.3% | $60m | 252,721 | -2% |
| Applied MaterialsAMAT | 3.2% | $59m | 81,318 | -43% |
| Analog DevicesADI | 2.9% | $54m | 135,169 | -10% |
| MicrosoftMSFT | 2.9% | $53m | 140,900 | -3% |
| Eli LillyLLY | 2.8% | $52m | 43,596 | -3% |
| BroadcomAVGO | 2.8% | $51m | 135,358 | -13% |
| VisaV | 2.7% | $49m | 142,213 | Held |
| Waste ConnectionsWCN | 2.5% | $46m | 278,498 | +16% |
| JPMorgan ChaseJPM | 2.5% | $46m | 140,002 | Held |
| NvidiaNVDA | 2.4% | $44m | 222,332 | -3% |
| AutozoneAZO | 2.2% | $40m | 12,513 | Held |
| US Foods HoldingUSFD | 2.0% | $36m | 353,146 | Held |
| DanaherDHR | 1.9% | $35m | 186,015 | -3% |
| AbbVieABBV | 1.8% | $34m | 134,915 | +26% |
| Terreno RealtyTRNO | 1.8% | $33m | 508,667 | -8% |
| American Water Works CompanyAWK | 1.8% | $33m | 249,175 | -3% |
| BoeingBA | 1.7% | $32m | 146,792 | +35% |
| ProgressivePGR | 1.7% | $31m | 142,193 | Held |
| Lamar AdvertisingLAMR | 1.7% | $31m | 197,476 | Held |
| Boston ScientificBSX | 1.6% | $30m | 708,949 | +60% |
| SynopsysSNPS | 1.6% | $30m | 67,599 | +54% |
| AmetekAME | 1.5% | $28m | 115,696 | Held |
| Ferguson EnterprisesFERG | 1.5% | $27m | 115,641 | Held |
| DeereDE | 1.5% | $27m | 43,068 | Held |
| NVRNVR | 1.5% | $27m | 3,962 | +45% |
| Canadian Pacific Kansas CityCP | 1.4% | $26m | 304,752 | -5% |
| Arthur J. GallagherAJG | 1.1% | $21m | 91,965 | New |
| Air Products & ChemicalsAPD | 1.1% | $21m | 70,429 | -38% |
| VericelVCEL | 1.0% | $18m | 398,365 | Held |
| Life Time Group HoldingsLTH | 1.0% | $18m | 429,210 | -17% |
| SPX TechnologiesSPXC | 0.9% | $17m | 71,108 | +45% |
| NovantaNOVT | 0.9% | $17m | 105,125 | Held |
| Cardinal Infrastructure GroupCDNL | 0.9% | $17m | 179,516 | +6% |
| SLB LimitedSLB | 0.9% | $17m | 363,472 | -3% |
| TwilioTWLO | 0.9% | $17m | 80,590 | +22% |
| VSEVSEC | 0.9% | $16m | 71,699 | Held |
| Axos FinancialAX | 0.9% | $16m | 165,685 | Held |
| Loar HoldingsLOAR | 0.8% | $15m | 188,865 | +36% |
| RepligenRGEN | 0.8% | $15m | 110,995 | +20% |
| Keysight TechnologiesKEYS | 0.8% | $15m | 42,323 | -63% |
| Guardant HealthGH | 0.8% | $15m | 97,320 | -35% |
| Dutch BrosBROS | 0.8% | $14m | 201,610 | New |
| Alignment HealthcareALHC | 0.8% | $14m | 604,000 | +74% |
| DigitalOcean HoldingsDOCN | 0.8% | $14m | 91,535 | -21% |
| AtriCureATRC | 0.8% | $14m | 501,355 | +43% |
| Meta PlatformsMETA | 0.8% | $14m | 24,876 | Held |
| CorpayCPAY | 0.7% | $14m | 40,873 | -2% |
| Boot Barn HoldingsBOOT | 0.7% | $13m | 81,015 | +38% |
| FirstServiceFSV | 0.7% | $13m | 91,739 | +41% |
| Affirm HoldingsAFRM | 0.7% | $13m | 157,605 | +159% |
| SitimeSITM | 0.7% | $12m | 16,670 | -34% |
| TranscatTRNS | 0.7% | $12m | 132,797 | +32% |
| Lattice SemiconductorLSCC | 0.7% | $12m | 79,865 | -25% |
| Casella Waste SystemsCWST | 0.6% | $12m | 123,055 | -17% |
| Twist BioscienceTWST | 0.6% | $11m | 111,458 | -47% |
| Micron TechnologyMU | 0.6% | $10m | 8,964 | +4618% |
| SemtechSMTC | 0.5% | $10m | 60,445 | New |
| MACOM Technology Solutions HoldingsMTSI | 0.5% | $10m | 25,396 | -31% |
| ServiceTitanTTAN | 0.5% | $10m | 135,580 | +128% |
| Intercontinental ExchangeICE | 0.5% | $9m | 76,744 | -57% |
| NextpowerNXT | 0.5% | $9m | 74,675 | -9% |
| Hinge HealthHNGE | 0.5% | $9m | 103,545 | -51% |
| NavanNAVN | 0.4% | $8m | 337,640 | New |
| Bank of AmericaBAC | 0.4% | $7m | 128,256 | New |
| Labcorp HoldingsLH | 0.4% | $7m | 25,240 | -67% |
| Public StoragePSA | 0.4% | $7m | 20,963 | -73% |
| Cogent BiosciencesCOGT | 0.4% | $7m | 172,085 | +14% |
| DaveDAVE | 0.4% | $7m | 17,672 | New |
| Mayville Engineering CompanyMEC | 0.4% | $7m | 174,600 | New |
| AgilysysAGYS | 0.4% | $7m | 62,440 | New |
| L3harris TechnologiesLHX | 0.4% | $6m | 22,267 | -75% |
| Turning Point BrandsTPB | 0.4% | $6m | 76,076 | +29% |
| Waystar HoldingWAY | 0.3% | $6m | 281,360 | New |
| GlaukosGKOS | 0.3% | $6m | 40,539 | -57% |
| Galaxy DigitalGLXY | 0.3% | $5m | 194,339 | New |
| Ceco EnvironmentalCECO | 0.3% | $5m | 51,772 | -77% |
| Arrowhead PharmaceuticalsARWR | 0.2% | $4m | 50,315 | New |
| PROCEPT BioRoboticsPRCT | 0.2% | $4m | 167,095 | +65% |
| Berkshire Hathaway INC DELBRK-A | 0.2% | $4m | 5 | Held |
| Chime FinancialCHYM | 0.2% | $3m | 164,890 | -20% |
| Enterprise Products Partners L.P.EPD | 0.2% | $3m | 87,815 | Held |
| Berkshire HathawayBRK-B | 0.1% | $3m | 5,192 | Held |
| Procter & GamblePG | 0.1% | $2m | 15,963 | Held |
| AutodeskADSK | 0.1% | $2m | 12,000 | -14% |
| AlphabetGOOGL | <0.1% | $2m | 4,511 | -9% |
| Fair IsaacFICO | <0.1% | $2m | 1,292 | Held |
| ExxonMobil HoldingsXOM | <0.1% | $1m | 9,494 | -12% |
| Essex Property TrustESS | <0.1% | $1m | 4,000 | Held |
| Johnson & JohnsonJNJ | <0.1% | $1m | 4,431 | Held |
| Union PacificUNP | <0.1% | $1m | 4,003 | Held |
| Palantir TechnologiesPLTR | <0.1% | $1m | 9,042 | Held |
| WorkdayWDAY | <0.1% | $794,873 | 6,493 | -49% |
| KLAKLAC | <0.1% | $657,728 | 2,180 | Held |
| American ExpressAXP | <0.1% | $512,449 | 1,515 | Held |
| Berkley W RWRB | <0.1% | $446,525 | 6,331 | Held |
| Morgan StanleyMS | <0.1% | $444,837 | 2,128 | -7% |
| TeslaTSLA | <0.1% | $434,900 | 1,034 | Held |
| CloroxCLX | <0.1% | $420,986 | 4,411 | Held |
Showing the largest 100 of 200.
Over time and by industry
Value over time
Jun '25
Dec '25
Jun '26
Value is up 14.2% since 30 June 2025.
Where the money is
Technology28.5%
Health care13.8%
Industrials13.5%
Financial services13.1%
Retail & consumer9.5%
Media & telecom7.0%
Utilities5.1%
Real estate4.6%
Everyday goods2.5%
Materials1.1%
Energy1.0%
Other0.2%
From the fund's 13F filings. They list US stocks and options only, 45 days after each quarter, and leave out cash, bonds, shorts and foreign shares.