KARYOPHARM THERAPEUTICS INC COM NEW is a security (CUSIP 48576U905) tracked across SEC portfolio filings. 4 institutional managers reported $3.3M on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $1.8M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $1.5M | — |
| HRT FINANCIAL LP | NEW YORK, NY | $389 | 70,000 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |