Holdings of Osterweis Opportunity Fund
Professionally Managed Portfolios · 42 declared positions · as of Mar 31, 2026
Original filing · Net assets 287.4M $ · Ten largest lines: 36.5 % of the equity sleeve
Country breakdown
Shares computed on the equity sleeve, the only part this site carries.
| Country | Lines | Value (USD) | Share |
|---|---|---|---|
| US | 38 | 236M $ | 90.65 % |
| KY | 2 | 10.9M $ | 4.19 % |
| CA | 1 | 9M $ | 3.44 % |
| BM | 1 | 4.5M $ | 1.72 % |
Sector breakdown is published in no regulatory filing: neither Form N-PORT nor the LEI reference data carries an activity code. It is absent rather than estimated.
Positions
| Company | Shares | Value (USD) | Weight |
|---|---|---|---|
| Life Time Group Holdings Inc | 390,980 | 10.5M $ | 3.67 % |
| Axos Financial Inc | 123,365 | 10.5M $ | 3.65 % |
| Guardant Health Inc | 112,200 | 10.4M $ | 3.61 % |
| VSE Corp | 52,521 | 9.7M $ | 3.37 % |
| Vericel Corp | 300,640 | 9.7M $ | 3.37 % |
| CECO Environmental Corp | 161,355 | 9.6M $ | 3.35 % |
| Fabrinet | 17,556 | 9.2M $ | 3.19 % |
| Novanta Inc | 75,795 | 9M $ | 3.12 % |
| Casella Waste Systems Inc | 111,570 | 8.9M $ | 3.08 % |
| Glaukos Corp | 71,230 | 7.7M $ | 2.67 % |
| Repligen Corp | 64,760 | 7.6M $ | 2.66 % |
| AtriCure Inc | 264,285 | 7.5M $ | 2.62 % |
| DigitalOcean Holdings Inc | 87,665 | 7.5M $ | 2.62 % |
| Twist Bioscience Corp | 158,005 | 7.5M $ | 2.61 % |
| Nextpower Inc | 61,875 | 7.5M $ | 2.60 % |
| Lattice Semiconductor Corp | 80,065 | 7.4M $ | 2.58 % |
| SPX Technologies Inc | 36,740 | 7.3M $ | 2.56 % |
| FirstService Corp | 48,920 | 6.8M $ | 2.37 % |
| Artivion Inc | 180,842 | 6.6M $ | 2.30 % |
| SiTime Corp | 18,835 | 6.5M $ | 2.26 % |
| Boot Barn Holdings Inc | 44,395 | 6.5M $ | 2.26 % |
| MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC | 27,622 | 6.1M $ | 2.13 % |
| Hinge Health Inc | 158,995 | 6.1M $ | 2.13 % |
| Palomar Holdings Inc | 51,015 | 6.1M $ | 2.12 % |
| Twilio Inc | 47,495 | 6M $ | 2.08 % |
| Modine Manufacturing Co | 25,887 | 5.6M $ | 1.95 % |
| Transcat Inc | 76,010 | 5.6M $ | 1.94 % |
| Rambus Inc | 63,675 | 5.5M $ | 1.91 % |
| Loar Holdings Inc | 92,560 | 5.3M $ | 1.85 % |
| Cava Group Inc | 63,275 | 5.1M $ | 1.78 % |
| Cardinal Infrastructure Group Inc | 128,455 | 5.1M $ | 1.77 % |
| Alignment Healthcare Inc | 262,285 | 4.6M $ | 1.61 % |
| Kestra Medical Technologies Ltd | 224,070 | 4.5M $ | 1.55 % |
| Cogent Biosciences Inc | 113,670 | 4.4M $ | 1.52 % |
| Turning Point Brands Inc | 44,550 | 3.9M $ | 1.35 % |
| Chime Financial Inc | 155,005 | 2.9M $ | 1.01 % |
| Fastly Inc | 94,860 | 2.8M $ | 0.96 % |
| Silicon Motion Technology Corp | 15,715 | 1.8M $ | 0.61 % |
| ServiceTitan Inc | 22,890 | 1.5M $ | 0.51 % |
| Affirm Holdings Inc | 30,590 | 1.4M $ | 0.49 % |
| PROCEPT BIOROBOTICS CORP | 54,655 | 1.4M $ | 0.48 % |
| NeuroPace Inc | 74,885 | 984.7K $ | 0.34 % |