# OSTERWEIS CAPITAL MANAGEMENT INC

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 1007524. Source: https://holderbook.com/funds/1007524-osterweis-capital-management-inc/

- Reported value: $2.1B
- Positions: 231
- Weight of the ten largest: 29.7%
- Filed: 2026-08-14

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| ALPHABET INC | [GOOG](https://holderbook.com/stocks/GOOG/) | $113.8M | 322,182 | 5.4% | 31 |
| APPLE INC | [AAPL](https://holderbook.com/stocks/AAPL/) | $69.4M | 239,818 | 3.3% | 31 |
| MARRIOTT VACATIONS WORLDWIDE | - | $62.2M | 63,260,000 | 2.9% | 2 |
| AMAZON COM INC | [AMZN](https://holderbook.com/stocks/AMZN/) | $60.2M | 252,721 | 2.8% | 25 |
| APPLIED MATLS INC | [AMAT](https://holderbook.com/stocks/AMAT/) | $58.8M | 81,318 | 2.8% | 6 |
| AFFIRM HLDGS INC | - | $56.6M | 57,500,000 | 2.7% | 2 |
| ANALOG DEVICES INC | [ADI](https://holderbook.com/stocks/ADI/) | $53.7M | 135,169 | 2.5% | 24 |
| MICROSOFT CORP | [MSFT](https://holderbook.com/stocks/MSFT/) | $52.6M | 140,900 | 2.5% | 31 |
| ELI LILLY & CO | [LLY](https://holderbook.com/stocks/LLY/) | $52.3M | 43,596 | 2.5% | 31 |
| BROADCOM INC | [AVGO](https://holderbook.com/stocks/AVGO/) | $51.1M | 135,358 | 2.4% | 16 |
| VISA INC | [V](https://holderbook.com/stocks/V/) | $48.8M | 142,213 | 2.3% | 31 |
| WASTE CONNECTIONS INC | [WCN](https://holderbook.com/stocks/WCN/) | $46.4M | 278,498 | 2.2% | 31 |
| JPMORGAN CHASE & CO | [JPM](https://holderbook.com/stocks/JPM/) | $45.8M | 140,002 | 2.2% | 7 |
| NVIDIA CORPORATION | [NVDA](https://holderbook.com/stocks/NVDA/) | $44.5M | 222,332 | 2.1% | 16 |
| PEBBLEBROOK HOTEL TR | - | $40.3M | 40,571,000 | 1.9% | 4 |
| AUTOZONE INC | [AZO](https://holderbook.com/stocks/AZO/) | $40.0M | 12,513 | 1.9% | 10 |
| US FOODS HLDG CORP | [USFD](https://holderbook.com/stocks/USFD/) | $36.1M | 353,146 | 1.7% | 3 |
| DANAHER CORP DEL | [DHR](https://holderbook.com/stocks/DHR/) | $35.4M | 186,015 | 1.7% | 31 |
| REDFIN CORP | - | $34.1M | 35,377,000 | 1.6% | 1 |
| ABBVIE INC | [ABBV](https://holderbook.com/stocks/ABBV/) | $34.0M | 134,915 | 1.6% | 23 |
| TERRENO RLTY CORP | [TRNO](https://holderbook.com/stocks/TRNO/) | $32.9M | 508,667 | 1.6% | 5 |
| AMERICAN WTR WKS CO INC NEW | [AWK](https://holderbook.com/stocks/AWK/) | $32.8M | 249,175 | 1.5% | 7 |
| BOEING CO | [BA](https://holderbook.com/stocks/BA/) | $31.8M | 146,792 | 1.5% | 13 |
| PROGRESSIVE CORP | [PGR](https://holderbook.com/stocks/PGR/) | $31.1M | 142,193 | 1.5% | 27 |
| LAMAR ADVERTISING CO | [LAMR](https://holderbook.com/stocks/LAMR/) | $30.8M | 197,476 | 1.5% | 17 |
| ZIFF DAVIS INC | - | $30.3M | 30,595,000 | 1.4% | 6 |
| BOSTON SCIENTIFIC CORP | [BSX](https://holderbook.com/stocks/BSX/) | $30.3M | 708,949 | 1.4% | 20 |
| SYNOPSYS INC | [SNPS](https://holderbook.com/stocks/SNPS/) | $30.2M | 67,599 | 1.4% | 5 |
| AMETEK INC | [AME](https://holderbook.com/stocks/AME/) | $28.0M | 115,696 | 1.3% | 19 |
| FERGUSON ENTERPRISES INC | [FERG](https://holderbook.com/stocks/FERG/) | $27.4M | 115,641 | 1.3% | 6 |
| DEERE & CO | [DE](https://holderbook.com/stocks/DE/) | $27.3M | 43,068 | 1.3% | 8 |
| NVR INC | [NVR](https://holderbook.com/stocks/NVR/) | $27.0M | 3,962 | 1.3% | 3 |
| CANADIAN PACIFIC KANSAS CITY | [CP](https://holderbook.com/stocks/CP/) | $26.4M | 304,752 | 1.2% | 4 |
| GALLAGHER ARTHUR J & CO | [AJG](https://holderbook.com/stocks/AJG/) | $21.1M | 91,965 | 1.0% | 1 |
| AIR PRODUCTS AND CHEMICALS I | [APD](https://holderbook.com/stocks/APD/) | $20.6M | 70,429 | 1.0% | 26 |
| VERICEL CORP | [VCEL](https://holderbook.com/stocks/VCEL/) | $17.7M | 398,365 | 0.8% | 5 |
| LIFE TIME GROUP HOLDINGS INC | [LTH](https://holderbook.com/stocks/LTH/) | $17.5M | 429,210 | 0.8% | 7 |
| SPX TECHNOLOGIES INC | [SPXC](https://holderbook.com/stocks/SPXC/) | $17.4M | 71,108 | 0.8% | 5 |
| NOVANTA INC | [NOVT](https://holderbook.com/stocks/NOVT/) | $17.1M | 105,125 | 0.8% | 3 |
| CARDINAL INFRASTRUCTURE GROU | [CDNL](https://holderbook.com/stocks/CDNL/) | $16.9M | 179,516 | 0.8% | 3 |
| SLB LIMITED | [SLB](https://holderbook.com/stocks/SLB/) | $16.9M | 363,472 | 0.8% | 2 |
| TWILIO INC | [TWLO](https://holderbook.com/stocks/TWLO/) | $16.6M | 80,590 | 0.8% | 3 |
| VSE CORP | [VSEC](https://holderbook.com/stocks/VSEC/) | $16.4M | 71,699 | 0.8% | 3 |
| AXOS FINANCIAL INC | [AX](https://holderbook.com/stocks/AX/) | $16.1M | 165,685 | 0.8% | 5 |
| LOAR HOLDINGS INC | [LOAR](https://holderbook.com/stocks/LOAR/) | $15.2M | 188,865 | 0.7% | 2 |
| REPLIGEN CORP | [RGEN](https://holderbook.com/stocks/RGEN/) | $15.1M | 110,995 | 0.7% | 4 |
| KEYSIGHT TECHNOLOGIES INC | [KEYS](https://holderbook.com/stocks/KEYS/) | $14.8M | 42,323 | 0.7% | 11 |
| GUARDANT HEALTH INC | [GH](https://holderbook.com/stocks/GH/) | $14.6M | 97,320 | 0.7% | 6 |
| UPWORK INC | - | $14.6M | 14,680,000 | 0.7% | 2 |
| DUTCH BROS INC | [BROS](https://holderbook.com/stocks/BROS/) | $14.5M | 201,610 | 0.7% | 1 |
| ALIGNMENT HEALTHCARE INC | [ALHC](https://holderbook.com/stocks/ALHC/) | $14.4M | 604,000 | 0.7% | 2 |
| DIGITALOCEAN HLDGS INC | [DOCN](https://holderbook.com/stocks/DOCN/) | $14.4M | 91,535 | 0.7% | 2 |
| ATRICURE INC | [ATRC](https://holderbook.com/stocks/ATRC/) | $14.0M | 501,355 | 0.7% | 6 |
| META PLATFORMS INC | [META](https://holderbook.com/stocks/META/) | $14.0M | 24,876 | 0.7% | 23 |
| CORPAY INC | [CPAY](https://holderbook.com/stocks/CPAY/) | $13.6M | 40,873 | 0.6% | 5 |
| WORKIVA INC | - | $13.4M | 13,436,000 | 0.6% | 1 |
| BOOT BARN HLDGS INC | [BOOT](https://holderbook.com/stocks/BOOT/) | $13.3M | 81,015 | 0.6% | 2 |
| FIRSTSERVICE CORP NEW | [FSV](https://holderbook.com/stocks/FSV/) | $13.0M | 91,739 | 0.6% | 28 |
| NOVARTIS AG | [NVS](https://holderbook.com/stocks/NVS/) | $12.9M | 82,396 | 0.6% | 31 |
| AFFIRM HLDGS INC | [AFRM](https://holderbook.com/stocks/AFRM/) | $12.9M | 157,605 | 0.6% | 5 |
| SITIME CORP | [SITM](https://holderbook.com/stocks/SITM/) | $12.4M | 16,670 | 0.6% | 5 |
| TRANSCAT INC | [TRNS](https://holderbook.com/stocks/TRNS/) | $12.3M | 132,797 | 0.6% | 2 |
| LATTICE SEMICONDUCTOR CORP | [LSCC](https://holderbook.com/stocks/LSCC/) | $12.2M | 79,865 | 0.6% | 4 |
| CASELLA WASTE SYS INC | [CWST](https://holderbook.com/stocks/CWST/) | $11.9M | 123,055 | 0.6% | 4 |
| TWIST BIOSCIENCE CORP | [TWST](https://holderbook.com/stocks/TWST/) | $11.5M | 111,458 | 0.5% | 3 |
| MICRON TECHNOLOGY INC | [MU](https://holderbook.com/stocks/MU/) | $10.3M | 8,964 | 0.5% | 15 |
| SEMTECH CORP | [SMTC](https://holderbook.com/stocks/SMTC/) | $9.8M | 60,445 | 0.5% | 1 |
| MACOM TECH SOLUTIONS HLDGS I | [MTSI](https://holderbook.com/stocks/MTSI/) | $9.7M | 25,396 | 0.5% | 4 |
| SERVICETITAN INC | [TTAN](https://holderbook.com/stocks/TTAN/) | $9.6M | 135,580 | 0.5% | 5 |
| INTERCONTINENTAL EXCHANGE IN | [ICE](https://holderbook.com/stocks/ICE/) | $9.4M | 76,744 | 0.4% | 4 |
| NEXTPOWER INC | [NXT](https://holderbook.com/stocks/NXT/) | $8.9M | 74,675 | 0.4% | 3 |
| HINGE HEALTH INC | [HNGE](https://holderbook.com/stocks/HNGE/) | $8.6M | 103,545 | 0.4% | 3 |
| NAVAN INC | [NAVN](https://holderbook.com/stocks/NAVN/) | $7.7M | 337,640 | 0.4% | 1 |
| BANK OF AMER CORP | [BAC](https://holderbook.com/stocks/BAC/) | $7.3M | 128,256 | 0.3% | 1 |
| ETSY INC | - | $7.1M | 7,750,000 | 0.3% | 17 |
| LABCORP HOLDINGS INC | [LH](https://holderbook.com/stocks/LH/) | $7.1M | 25,240 | 0.3% | 5 |
| PUBLIC STORAGE | [PSA](https://holderbook.com/stocks/PSA/) | $6.7M | 20,963 | 0.3% | 2 |
| COGENT BIOSCIENCES INC | [COGT](https://holderbook.com/stocks/COGT/) | $6.7M | 172,085 | 0.3% | 2 |
| DAVE INC | [DAVE](https://holderbook.com/stocks/DAVE/) | $6.6M | 17,672 | 0.3% | 1 |
| MAYVILLE ENGR CO INC | [MEC](https://holderbook.com/stocks/MEC/) | $6.5M | 174,600 | 0.3% | 1 |
| AGILYSYS INC | [AGYS](https://holderbook.com/stocks/AGYS/) | $6.5M | 62,440 | 0.3% | 1 |
| L3HARRIS TECHNOLOGIES INC | [LHX](https://holderbook.com/stocks/LHX/) | $6.5M | 22,267 | 0.3% | 22 |
| TURNING PT BRANDS INC | [TPB](https://holderbook.com/stocks/TPB/) | $6.5M | 76,076 | 0.3% | 5 |
| WAYSTAR HLDG CORP | [WAY](https://holderbook.com/stocks/WAY/) | $5.8M | 281,360 | 0.3% | 1 |
| GLAUKOS CORP | [GKOS](https://holderbook.com/stocks/GKOS/) | $5.7M | 40,539 | 0.3% | 6 |
| GALAXY DIGITAL INC. | [GLXY](https://holderbook.com/stocks/GLXY/) | $5.3M | 194,339 | 0.3% | 1 |
| CECO ENVIRONMENTAL CORP | [CECO](https://holderbook.com/stocks/CECO/) | $4.7M | 51,772 | 0.2% | 5 |
| ARROWHEAD PHARMACEUTICALS IN | [ARWR](https://holderbook.com/stocks/ARWR/) | $4.1M | 50,315 | 0.2% | 1 |
| PROCEPT BIOROBOTICS CORP | [PRCT](https://holderbook.com/stocks/PRCT/) | $3.8M | 167,095 | 0.2% | 10 |
| BERKSHIRE HATHAWAY INC DEL | [BRKA](https://holderbook.com/stocks/BRKA/) | $3.7M | 5 | 0.2% | 31 |
| CHIME FINL INC | [CHYM](https://holderbook.com/stocks/CHYM/) | $3.4M | 164,890 | 0.2% | 4 |
| ENTERPRISE PRODS PARTNERS L | [EPD](https://holderbook.com/stocks/EPD/) | $3.2M | 87,815 | 0.2% | 17 |
| BERKSHIRE HATHAWAY INC DEL | [BRKB](https://holderbook.com/stocks/BRKB/) | $2.6M | 5,192 | 0.1% | 31 |
| PROCTER & GAMBLE CO | [PG](https://holderbook.com/stocks/PG/) | $2.3M | 15,963 | 0.1% | 31 |
| AUTODESK INC | [ADSK](https://holderbook.com/stocks/ADSK/) | $2.3M | 12,000 | 0.1% | 15 |
| ALPHABET INC | [GOOGL](https://holderbook.com/stocks/GOOGL/) | $1.6M | 4,511 | 0.1% | 31 |
| VANGUARD INDEX FDS | [VOO](https://holderbook.com/stocks/VOO/) | $1.6M | 2,317 | 0.1% | 23 |
| FAIR ISAAC CORP | [FICO](https://holderbook.com/stocks/FICO/) | $1.5M | 1,292 | 0.1% | 9 |
| SCHWAB STRATEGIC TR | [SCHB](https://holderbook.com/stocks/SCHB/) | $1.4M | 49,067 | 0.1% | 23 |
| EXXON MOBIL CORP | [XOMXXXX](https://holderbook.com/stocks/XOMXXXX/) | $1.3M | 9,494 | 0.1% | 31 |

## What the disclosed book did

Not the fund's return. This is the change in value of the positions disclosed on Form 13F, had they been left untouched, against SPY over the same quarter ends.

| Quarter | Book | Market | Difference | Priced |
|---|---|---|---|---|
| Q2 2026 | +17.8% | +14.8% | +3.0% | 85% |
| Q1 2026 | -4.2% | -4.6% | +0.4% | 75% |
| Q4 2025 | +3.9% | +2.4% | +1.5% | 78% |
| Q3 2025 | +4.8% | +7.8% | -3.0% | 78% |
| Q2 2025 | +7.2% | +10.5% | -3.3% | 75% |
| Q1 2025 | -6.9% | -4.6% | -2.4% | 78% |
| Q4 2024 | -2.4% | +2.1% | -4.6% | 85% |
| Q3 2024 | +5.0% | +5.4% | -0.5% | 80% |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $2.1B | 231 |
| Q1 2026 | $1.9B | 229 |
| Q4 2025 | $2.4B | 285 |
| Q3 2025 | $2.2B | 275 |
| Q2 2025 | $2.1B | 283 |
| Q1 2025 | $2.0B | 337 |
| Q4 2024 | $2.1B | 196 |
| Q3 2024 | $2.0B | 190 |
| Q2 2024 | $1.9B | 195 |
| Q1 2024 | $1.7B | 190 |
| Q4 2023 | $1.6B | 197 |
| Q3 2023 | $1.4B | 204 |