Osterweis Capital Management

The firm has not publicly named its current portfolio managers or CIO. In past periods, John D. Osterweis was associated with the firm's value-oriented strategy, but no recent leadership details are available in public records.

The firm relies on bottom-up fundamental research, screening for small-cap companies with strong balance sheets and undervalued assets. It does not advertise a proprietary sourcing network or co-investment platform.

No publicly available evidence suggests the firm allocates to fixed income, private equity, hedge funds, or other alternative asset classes. Its documented focus has been exclusively US small-cap value equities.

The firm is known for a long-term holding period, often holding positions for five years or more. It does not engage in short-term trading or frequent portfolio turnover based on available sector literature.

Public records from the U.S. Securities and Exchange Commission and industry databases classify Osterweis Capital Management as a registered investment adviser (RIA), not a single- or multi-family office. Its reported entity type is an asset manager.

The firm typically runs concentrated portfolios with fewer than 50 equity positions. Top holdings may account for a significant percentage of assets, reflecting a high-conviction approach within the small-cap value universe.

The firm's historical focus on small-cap value suggests it avoids large-cap growth companies, highly speculative biotech names without earnings, and sectors like cryptocurrency or special-purpose acquisition companies (SPACs). No explicit negative screening is publicly documented.