Osterweis Capital Management Q3 2025 Small Cap Growth Update

Core Insights - The small cap growth market performed well in Q3, with significant gains driven by speculative companies with weak fundamentals, indicating a potential broadening of the rally in the future [2][4][20] Market Performance - The Russell 2000 Growth Index returned 12.2% in Q3, marking its second consecutive quarter of 12% returns, outperforming the S&P 500's 8.1% [5] - The majority of gains in the Russell 2000 Growth Index were attributed to speculative companies lacking profitability, particularly those with high P/E ratios [5][6] Fund Performance - The Osterweis Opportunity Fund gained 5.14% in Q3 but underperformed the index due to a focus on avoiding speculative stocks [6] - The fund's long-term performance has outpaced the index since its inception and over the past decade, emphasizing a valuation discipline approach [6] Sector Analysis - Underperformance in Q3 was primarily due to security selection in Health Care, Consumer Discretionary, and Information Technology sectors [7] - Health Care stocks, particularly PROCEPT BioRobotics, faced challenges due to management changes, while Artivion saw strong growth driven by its Onyx heart valve product [8][9] - In Consumer Discretionary, Duolingo's user growth stagnated, leading to an exit from the stock, while Boot Barn performed well but was exited due to valuation concerns [10][11] - Information Technology saw mixed results, with semiconductors performing well while traditional software companies faced negative sentiment [12][13] - Rambus was a standout in IT, reporting a 43% year-over-year growth in product revenue, driven by demand for its memory interface chips [14][15] Sector Allocation - Sector allocation had a minor negative impact on relative performance, with underweights in Financials and Communication Services being beneficial, while underweights in Industrials and Materials detracted from returns [19] Future Outlook - The expectation is for a shift away from speculative stocks towards companies demonstrating sales and earnings growth, with a favorable environment for small cap stocks due to accommodative Fed policies [20][21]