SERES THERAPEUTICS INC COM NEW is a security (CUSIP 81750R951) tracked across SEC portfolio filings. 2 institutional managers reported $244K on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $180K | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $64K | — |