Custom Index Systems, LLC
- SEC CIK
- 0002003672
- Latest filing
- Aug 14, 2026
BLK holding history
BlackRock, Inc. in every 13F filed by Custom Index Systems, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
BLK overviewAll 13F holders of BLKFull Q2 2026 holdings
- Shares (Q2 2026)
- 166
- Value
- $159.6K
- % of portfolio
- 0.1%
- Quarters held
- 3
- Since Q3 2025