ISHARES TR OPTION is a security (CUSIP 464287904) tracked across SEC portfolio filings. 10 institutional managers reported $1.2B on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| JPMORGAN CHASE & CO | NEW YORK, NY | $609.6M | — |
| Optiver Holding B.V. | AMSTERDAM, P7 | $229.3M | — |
| IMC-Chicago, LLC | CHICAGO, IL | $180.9M | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $134.4M | — |
| Maven Securities LTD | ST HELIER, Y9 | $28.6M | — |
| FARLEY CAPITAL L.P. | NEW YORK, NY | $2.7M | 74,000 |
| HRT FINANCIAL LP | NEW YORK, NY | $310K | 6,949,100 |
| Northwest & Ethical Investments L.P. | TORONTO, A6 | $67K | — |
| SG Americas Securities, LLC | NEW YORK, NY | $182 | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |