ISHARES TR OPTION is a security (CUSIP 464288953) tracked across SEC portfolio filings. 15 institutional managers reported $2.8B on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| JPMORGAN CHASE & CO | NEW YORK, NY | $1.1B | — |
| IMC-Chicago, LLC | CHICAGO, IL | $549.7M | — |
| Optiver Holding B.V. | AMSTERDAM, P7 | $435.1M | — |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | NEW YORK, NY | $433.5M | — |
| Bracebridge Capital, LLC | BOSTON, MA | $214.8M | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $40.4M | — |
| 1832 Asset Management L.P. | TORONTO, A6 | $40.1M | — |
| Maven Securities LTD | ST HELIER, Y9 | $8.3M | — |
| Warberg Asset Management LLC | WINNETKA, IL | $955K | — |
| HRT FINANCIAL LP | NEW YORK, NY | $655K | 8,231,800 |
| CI INVESTMENTS INC. | TORONTO, A6 | $378K | 8,500 |
| Marathon Trading Investment Management LLC | RADNOR, PA | $56K | — |
| Boussard & Gavaudan Investment Management LLP | London, X0 | $15K | — |
| SG Americas Securities, LLC | NEW YORK, NY | $175 | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |