IONIS PHARMACEUTICALS INC OPTION is a security (CUSIP 462222950) tracked across SEC portfolio filings. 5 institutional managers reported $19.8M on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| JPMORGAN CHASE & CO | NEW YORK, NY | $12.0M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $4.8M | — |
| IMC-Chicago, LLC | CHICAGO, IL | $2.1M | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $991K | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |