TSAKOS ENERGY NAVIGATION LTD SHS is a security (CUSIP G9108L953) tracked across SEC portfolio filings. 4 institutional managers reported $3.4M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $2.3M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $840K | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $256K | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |