SELLAS LIFE SCIENCES GROUP I COM NEW is a security (CUSIP 81642T909) tracked across SEC portfolio filings. 5 institutional managers reported $42.2M on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $36.6M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $5.1M | — |
| Marathon Trading Investment Management LLC | RADNOR, PA | $447K | — |
| HRT FINANCIAL LP | NEW YORK, NY | $3K | 663,800 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |