ISHARES TR OPTION is a security (CUSIP 464287952) tracked across SEC portfolio filings. 13 institutional managers reported $3.2B on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| JPMORGAN CHASE & CO | NEW YORK, NY | $1.2B | — |
| Optiver Holding B.V. | AMSTERDAM, P7 | $1.2B | — |
| IMC-Chicago, LLC | CHICAGO, IL | $700.4M | — |
| OnyxPoint Global Management LP | NEW YORK, NY | $72.5M | — |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | NEW YORK, NY | $60.7M | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $32.5M | — |
| CIBC WORLD MARKETS CORP | NEW YORK, NY | $30.5M | — |
| Ninepoint Partners LP | TORONTO, A6 | $25.7M | — |
| Warberg Asset Management LLC | WINNETKA, IL | $4.3M | — |
| Marathon Trading Investment Management LLC | RADNOR, PA | $876K | — |
| DEARBORN PARTNERS LLC | Chicago, IL | $677K | 1,036 |
| SG Americas Securities, LLC | NEW YORK, NY | $2K | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |