Blackrock shares owned by Custom Index Systems
Quarter-by-quarter ownership of Blackrock (BLK) shares owned by Custom Index Systems
from 13F filings
Historical chart of Custom Index Systems investment in Blackrock
Tip: Access up to 7 years of quarterly data
All positions including Blackrock held by Custom Index Systems consolidated in one spreadsheet with up to 7 years of data
Download as csvQuarterly reported holdings in Blackrock by Custom Index Systems
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $272k | 233 | 1165.87 |