Blackrock shares owned by Costello Asset Management
Quarter-by-quarter ownership of Blackrock (BLK) shares owned by Costello Asset Management
from 13F filings
Historical chart of Costello Asset Management investment in Blackrock
Tip: Access up to 7 years of quarterly data
All positions including Blackrock held by Costello Asset Management consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Blackrock by Costello Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $87k | 75 | 1160.23 |
| 2025-06-30 | $78k | 75 | 1042.60 |
| 2025-03-31 | $81k | 85 | 948.58 |
| 2024-12-31 | $67k | 65 | 1025.11 |