Blackrock shares owned by Osterweis Capital Management
Quarter-by-quarter ownership of Blackrock (BLK) shares owned by Osterweis Capital Management
from 13F filings
Historical chart of Osterweis Capital Management investment in Blackrock
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Quarterly reported holdings in Blackrock by Osterweis Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $108k | 93 | 1165.87 |
| 2025-06-30 | $98k | 93 | 1049.25 |
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