# BLACKROCK INC COM

BLACKROCK INC COM is a security (CUSIP 09290D951) tracked across SEC portfolio filings. 6 institutional managers reported $223.4M on Form 13F as of 2026-06-30.

## Summary

- Issuer: BLACKROCK INC
- Class: COM
- CUSIP: 09290D951
- 13F holders: 6
- 13F value: $223.4M
- 13F period: 2026-06-30
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| IMC-Chicago, LLC | CHICAGO, IL | $105.4M | — |
| Optiver Holding B.V. | AMSTERDAM, P7 | $85.6M | — |
| JPMORGAN CHASE & CO | NEW YORK, NY | $16.2M | — |
| [SIMPLEX TRADING, LLC](https://search.stillhousedata.com/firm/153585) | CHICAGO, IL | $12.2M | — |
| [GROUP ONE TRADING, L.P.](https://search.stillhousedata.com/firm/37484) | CHICAGO, IL | $4.0M | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/09290D951.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.