TANDEM DIABETES CARE INC COM NEW is a security (CUSIP 875372903) tracked across SEC portfolio filings. 5 institutional managers reported $1.8M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $1.5M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $213K | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $109K | — |
| HRT FINANCIAL LP | NEW YORK, NY | $2K | 83,700 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |