# ISHARES TR OPTION

ISHARES TR OPTION is a security (CUSIP 464288903) tracked across SEC portfolio filings. 8 institutional managers reported $1.8B on Form 13F as of 2026-06-30.

## Summary

- Issuer: ISHARES TR
- Class: OPTION
- CUSIP: 464288903
- 13F holders: 8
- 13F value: $1.8B
- 13F period: 2026-06-30
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| JPMORGAN CHASE & CO | NEW YORK, NY | $924.0M | — |
| [Compass Rose Asset Management, LP](https://search.stillhousedata.com/firm/297010) | New York, NY | $636.5M | — |
| IMC-Chicago, LLC | CHICAGO, IL | $123.7M | — |
| Optiver Holding B.V. | AMSTERDAM, P7 | $80.2M | — |
| [GROUP ONE TRADING, L.P.](https://search.stillhousedata.com/firm/37484) | CHICAGO, IL | $4.7M | — |
| [HRT FINANCIAL LP](https://search.stillhousedata.com/firm/152144) | NEW YORK, NY | $245K | 3,084,700 |
| Marathon Trading Investment Management LLC | RADNOR, PA | $16K | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/464288903.md)
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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.