Institutional Manager · CIK 0001007524
OSTERWEIS CAPITAL MANAGEMENT INC
SAN FRANCISCO, CA · File #028-04483
Latest AUM
$2.36B
Positions
331
Top-10 Concentration
41.2%
Filings
14
Sector Allocation
Filing History
View all filings →- 13F HOLDINGS REPORTQ/E Dec 2025331 pos · $2.36B
- 13F HOLDINGS REPORTQ/E Sep 2025320 pos · $2.22B
- 13F HOLDINGS REPORTQ/E Jun 2025327 pos · $2.09B
- 13F HOLDINGS REPORT (Amended)Q/E Jun 2025383 pos · $2.03B
- 13F HOLDINGS REPORT (Amended)Q/E Jun 2025246 pos · $2.15B
- 13F HOLDINGS REPORTQ/E Mar 2025383 pos · $20.26B
- 13F HOLDINGS REPORTQ/E Dec 2024246 pos · $2.1M
- 13F HOLDINGS REPORTQ/E Sep 2024240 pos · $1.97B
- 13F HOLDINGS REPORTQ/E Jun 2024243 pos · $1.94B
- 13F HOLDINGS REPORTQ/E Mar 2024236 pos · $1.70B
- 13F HOLDINGS REPORTQ/E Dec 2023251 pos · $1.36B
- 13F HOLDINGS REPORTQ/E Sep 2023256 pos · $1.51B
- 13F HOLDINGS REPORTQ/E Jun 2023259 pos · $1.47B
- 13F HOLDINGS REPORTQ/E Mar 2023284 pos · $1.38B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | ALPHABET INC | GOOG | 265,989 | $83.5M | 5.01% |
| 2 | AIRBNB INC | ABNB | 76,750,000 | $76.1M | 4.57% |
| 3 | BENTLEY SYS INC | BSY | 75,804,000 | $75.7M | 4.54% |
| 4 | MARRIOTT VACATIONS WORLDWIDE | VAC | 71,011,000 | $70.9M | 4.26% |
| 5 | SUMMIT HOTEL PPTYS | 866082AA8 | 70,537,000 | $70.3M | 4.22% |
| 6 | CABLE ONE INC | CABO | 70,305,000 | $69.4M | 4.17% |
| 7 | ENPHASE ENERGY INC | ENPH | 68,500,000 | $67.8M | 4.07% |
| 8 | MICROSOFT CORP | MSFT | 133,896 | $64.8M | 3.89% |
| 9 | AMAZON COM INC | AMZN | 255,675 | $59.0M | 3.54% |
| 10 | HAEMONETICS CORP MASS | HAE | 48,570,000 | $48.2M | 2.89% |
| 11 | BROADCOM INC | AVGO | 138,628 | $48.0M | 2.88% |
| 12 | VAIL RESORTS INC | MTN | 41,704,000 | $41.7M | 2.51% |
| 13 | ALARM COM HLDGS INC | ALRM | 41,165,000 | $41.3M | 2.48% |
| 14 | VISA INC | V | 106,019 | $37.2M | 2.23% |
| 15 | JPMORGAN CHASE & CO. | VYLD | 106,243 | $34.2M | 2.06% |
| 16 | DANAHER CORPORATION | 235851102 | 142,433 | $32.6M | 1.96% |
| 17 | WASTE CONNECTIONS INC | WCN | 178,599 | $31.3M | 1.88% |
| 18 | ANALOG DEVICES INC | ADI | 113,501 | $30.8M | 1.85% |
| 19 | APPLIED MATLS INC | 038222105 | 116,588 | $30.0M | 1.80% |
| 20 | ALPHABET INC | GOOG | 93,218 | $29.3M | 1.76% |