OSTERWEIS CAPITAL MANAGEMENT INC
CIK: 0001007524Latest portfolio: $2.4B · Q4 2025
Holdings
285
Total Value
$2.4B
New Positions
51
Closed Positions
40
Top Holdings
View All 285 Holdings →| # | Stock | Shares | Value | % Portfolio | Change | Type |
|---|---|---|---|---|---|---|
| 1 | GOOGALPHABET INC | 359,207 | $112.0M | 4.74% | -80,323 | |
| 2 | MSFTMICROSOFT CORP | 176,624 | $84.0M | 3.56% | -15,140 | |
| 3 | AMZNAMAZON COM INC | 336,333 | $77.0M | 3.26% | -17,868 | |
| 4 | ABNB 0 03/15/26AIRBNB INC | 76,750,000 | $76.0M | 3.22% | +6.0M | |
| 5 | BSY 0.125 01/15/26BENTLEY SYS INC | 75,804,000 | $75.0M | 3.18% | NEW | |
| 6 | VAC 0 01/15/26MARRIOTT VACATIONS WORLDWIDE | 71,011,000 | $70.0M | 2.96% | NEW | |
| 7 | INN 1.5 02/15/26SUMMIT HOTEL PPTYS | 70,537,000 | $70.0M | 2.96% | +16.5M | |
| 8 | CABO 0 03/15/26CABLE ONE INC | 70,305,000 | $69.0M | 2.92% | — | |
| 9 | ENPH 0 03/01/26ENPHASE ENERGY INC | 68,500,000 | $67.0M | 2.84% | +58.5M | |
| 10 | AVGOBROADCOM INC | 182,116 | $62.0M | 2.62% | -29,249 | |
| 11 | VVISA INC | 141,242 | $49.0M | 2.07% | -849 | |
| 12 | HAE 0 03/01/26HAEMONETICS CORP MASS | 48,570,000 | $48.0M | 2.03% | — | |
| 13 | LLYELI LILLY & CO | 44,778 | $47.0M | 1.99% | -3,204 | |
| 14 | JPMJPMORGAN CHASE & CO. | 138,995 | $44.0M | 1.86% | -3,291 | |
| 15 | DHRDANAHER CORPORATION | 188,105 | $42.0M | 1.78% | -53,137 | |
| 16 | ALRM 0 01/15/26ALARM COM HLDGS INC | 41,165,000 | $41.0M | 1.74% | +12.5M | |
| 17 | WCNWASTE CONNECTIONS INC | 237,665 | $41.0M | 1.74% | +24K | |
| 18 | MTN 0 01/01/26VAIL RESORTS INC | 41,704,000 | $41.0M | 1.74% | +10.0M | |
| 19 | ADIANALOG DEVICES INC | 151,936 | $40.0M | 1.69% | -4,884 | |
| 20 | AWCAMERICAN WTR WKS CO INC NEW | 303,095 | $38.0M | 1.61% | +5K | |
| 21 | AMATAPPLIED MATLS INC | 152,877 | $38.0M | 1.61% | -32,869 | |
| 22 | AZOAUTOZONE INC | 11,327 | $38.0M | 1.61% | -342 | |
| 23 | APDAIR PRODS & CHEMS INC | 143,308 | $34.0M | 1.44% | -5,749 | |
| 24 | PGRPROGRESSIVE CORP | 151,278 | $33.0M | 1.40% | +295 | |
| 25 | BROBROWN & BROWN INC | 425,746 | $33.0M | 1.40% | +2K |
Quarterly Changes
New Positions
Closed Positions
- FVRR 0 11/01/25CLOSED$59.0B
- DXCM 0.25 11/15/25CLOSED$54.1B
- RDFN 0 10/15/25CLOSED$27.4B
- JAMF 0.125 09/01/26CLOSED$11.2B
- TREXCLOSED$10.1B
- CWANCLOSED$8.0B
- RBRKCLOSED$6.3B
- ENSGCLOSED$5.0B
- ADMACLOSED$4.5B
- LADCLOSED$3.4B
Increased Positions
| Name | Shares | Change |
|---|---|---|
| ENPH 0 03/01/26 | 68.5M | +58.5M |
| INN 1.5 02/15/26 | 70.5M | +16.5M |
| ALRM 0 01/15/26 | 41.2M | +12.5M |
| MTN 0 01/01/26 | 41.7M | +10.0M |
| ABNB 0 03/15/26 | 76.8M | +6.0M |
| PEB 1.75 12/15/26 | 8.9M | +2.2M |
| AMPX | 455K | +267K |
| CHYM | 422K | +231K |
| LTH | 483K | +152K |
| VITL | 336K | +104K |
Sector Breakdown
Technology0.0% ($8.400062000400004e+135T)
Unknown0.0% ($7.600075000700006e+95T)
Industrials0.0% ($4.100031000290003e+87T)
Financial Services0.0% ($4.900044000330004e+81T)
Healthcare0.0% ($4.700042000250001e+67T)
Consumer Cyclical0.0% ($7.700038000180002e+33T)
Communication Services0.0% ($1120001600070001.0T)
Consumer Defensive0.0% ($290001000090001.0T)
Real Estate0.0% ($33000320001.5T)
Energy0.0% ($700020000.0T)
Basic Materials0.0% ($3.4T)
Utilities0.0% ($0)
Filing History
| Quarter | Filing Date | Portfolio Value | Holdings |
|---|---|---|---|
| Q4 2025 | Feb 17, 2026 | $2.4B | 331 |
| Q3 2025 | Nov 14, 2025 | $2.2T | 320 |
| Q2 2025 | Aug 14, 2025 | $2.1T | 327 |
| Q1 2025 | May 14, 2025 | $20.3T | 383 |
| Q4 2024 | Feb 13, 2025 | $2.1B | 246 |
| Q3 2024 | Nov 14, 2024 | $1973.9T | 240 |
| Q2 2024 | Aug 14, 2024 | $1935.4T | 243 |
| Q1 2024 | May 15, 2024 | $1702.6T | 236 |
| Q4 2023 | Feb 14, 2024 | $1575.5T | 244 |
| Q3 2023 | Nov 14, 2023 | $1365.0T | 251 |
| Q2 2023 | Aug 14, 2023 | $1510.7T | 256 |
| Q1 2023 | May 15, 2023 | $1470.2T | 259 |
| Q4 2022 | Feb 14, 2023 | $1377.3T | 284 |
| Q3 2022 | Nov 14, 2022 | $1.3T | 285 |
| Q2 2022 | Aug 15, 2022 | $1.3T | 181 |
| Q1 2022 | May 16, 2022 | $1.8T | 194 |
| Q4 2021 | Feb 14, 2022 | $2.0T | 197 |
| Q3 2021 | Nov 15, 2021 | $1.8T | 196 |
| Q2 2021 | Aug 16, 2021 | $1.9T | 194 |
| Q1 2021 | May 14, 2021 | $1.8T | 185 |
| Q4 2020 | Feb 12, 2021 | $1.7T | 175 |
| Q3 2020 | Nov 13, 2020 | $1.5T | 161 |
| Q2 2020 | Aug 14, 2020 | $1.4T | 157 |
| Q1 2020 | May 15, 2020 | $1.2T | 151 |
| Q4 2019 | Feb 14, 2020 | $1.4T | 155 |
| Q3 2019 | Nov 14, 2019 | $1.4T | 152 |
| Q2 2019 | Aug 14, 2019 | $1.4T | 150 |
| Q1 2019 | May 15, 2019 | $1.6T | 156 |
| Q4 2018 | Feb 14, 2019 | $1.3T | 141 |
| Q3 2018 | Nov 13, 2018 | $1.6T | 163 |
| Q2 2018 | Aug 13, 2018 | $1.5T | 153 |
| Q1 2018 | May 14, 2018 | $1.4T | 151 |
| Q4 2017 | Feb 14, 2018 | $1.4T | 146 |
| Q3 2017 | Nov 13, 2017 | $1.3T | 142 |
| Q2 2017 | Aug 15, 2017 | $1.3T | 137 |
| Q1 2017 | May 15, 2017 | $1.3T | 139 |
| Q4 2016 | Feb 13, 2017 | $1.4T | 133 |
| Q3 2016 | Nov 14, 2016 | $1.7T | 134 |
| Q2 2016 | Aug 12, 2016 | $1.6T | 124 |
| Q1 2016 | May 16, 2016 | $1.7T | 118 |
Fund Information
OSTERWEIS CAPITAL MANAGEMENT INC is an institutional investment manager that files 13F reports with the SEC. As of the Q4 2025 filing, the fund reported a portfolio valued at $2.4B across 285 holdings. The largest position is ALPHABET INC (GOOG), representing 4.7% of the portfolio. Compared to the previous quarter, the fund opened 51 new positions and closed 41 positions. 13F filings are required quarterly disclosures that provide transparency into the holdings of institutional investment managers with at least $100 million in qualifying assets.