StockDriftsStockDriftsTop 50 Osterweis Capital Management INC Holdings
| Stock | Company | % Port. | Shares | Value | Activity | Ownership | Avg. Cost | Date |
|---|---|---|---|---|---|---|---|---|
| GOOG | ALPHABET INC | 5.37% | 322.2K | $113.8M | -1.52%(-4.98K) | $46.91(+632.36%) | 2026-06-30 | |
| AAPL | APPLE INC | 3.27% | 239.8K | $69.4M | +426.19%(+194.24K) | $238.32(+28.37%) | 2026-06-30 | |
| AMZN | AMAZON COM INC | 2.84% | 252.7K | $60.2M | -2.45%(-6.34K) | $154.66(+69.82%) | 2026-06-30 | |
| AMAT | APPLIED MATLS INC | 2.77% | 81.3K | $58.8M | -42.79%(-60.81K) | $164.41(+208.48%) | 2026-06-30 | |
| ADI | ANALOG DEVICES INC | 2.53% | 135.2K | $53.7M | -10.04%(-15.09K) | $169.06(+130.33%) | 2026-06-30 | |
| MSFT | MICROSOFT CORP | 2.48% | 140.9K | $52.6M | -2.60%(-3.77K) | $129.68(+282.02%) | 2026-06-30 | |
| LLY | ELI LILLY & CO | 2.47% | 43.6K | $52.3M | -2.66%(-1.19K) | $606.01(+94.74%) | 2026-06-30 | |
| AVGO | BROADCOM INC | 2.41% | 135.4K | $51.1M | -12.73%(-19.74K) | $174.74(+124.90%) | 2026-06-30 | |
| V | VISA INC | 2.3% | 142.2K | $48.8M | -1.17%(-1.69K) | $151.54(+140.31%) | 2026-06-30 | |
| WCN | WASTE CONNECTIONS INC | 2.19% | 278.5K | $46.4M | +15.67%(+37.74K) | $90.90(+82.94%) | 2026-06-30 |
| Performance Metric | 3-Year Annualized | 3-Year Cumulative | 5-Year Annualized | 5-Year Cumulative |
|---|---|---|---|---|
| Top 20 Holdings Weighted | +15.18% | +52.82% | +8.08% | +47.47% |
| Top 20 Holdings Unweighted | +13.67% | +46.87% | +7.47% | +43.33% |
Osterweis Capital Management INC reports $2.12B in US-listed equity holdings across 231 positions in its most recent 13F filing. Its largest disclosed positions are GOOG (5.4%), AAPL (3.3%) and AMZN (2.8%). The top 20 holdings account for 45.81% of reported assets. Its disclosed equity book has returned +52.82% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.
Portfolio changes
Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.
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Holdings on this page are parsed from Osterweis Capital Management INC’s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1007524). View Osterweis Capital Management INC’s 13F filings on SEC