Tsakos Energy Navigation
Operates energy carriers through chartered international shipping services.
$42.52
After-hours close−0.05 (−0.12%)
At close$42.57(+1.14%)
Something off on this page? Send us feedback.
Breakdown13F · Form 4
Institutions 32.95%9.93M sharesInsiders 2.54%766.3K sharesOther 64.51%19.43M shares
Shares outstanding 30.13M · Float 20.96M · 69.6% free float
Institutions13F, as of Mar 31, 2026
116 holders · 9.93M shares · 39 new positions · 74 increased · 26 reduced · 13 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Arrowstreet Capital, Limited Partnership | 813.8K | 2.70% | +151.2K | May 14, 2026 |
| Castleknight Management LP | 799.4K | 2.65% | −431.3K | May 15, 2026 |
| Mirae Asset Global Etfs Holdings Ltd. | 661.6K | 2.20% | +16.7K | May 15, 2026 |
| Acadian Asset Management LLC | 620.2K | 2.06% | +586.7K | May 13, 2026 |
| Renaissance Technologies LLC | 466.2K | 1.55% | +61.4K | May 14, 2026 |
| Morgan Stanley | 439.8K | 1.46% | +103.5K | May 15, 2026 |
| Cooper Creek Partners Management LLC | 397.6K | 1.32% | +397.6Knew | May 15, 2026 |
| Main Street Financial Solutions, LLC | 396.6K | 1.32% | −279 | Jul 29, 2026 |
Beneficial owners13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Nikolaos Tsakos | director, officer: Chief Executive Officer | 581.6K | 1.93% | Jul 10, 2026 |
| Georgios Saroglou | director, officer: President and COO | 42.0K | 0.14% | Mar 18, 2026 |
| Aristides Athanassios Nicholas Patrinos | director | 32.1K | 0.11% | Mar 18, 2026 |
| Theoharrys Evgenios Kosmatos | officer: CFO and CAO | 24.7K | 0.08% | Mar 18, 2026 |
| Efstratios Georgios Arapoglou | director | 19.0K | 0.06% | Mar 18, 2026 |
| Michael Jolliffe | director | 18.4K | 0.06% | Mar 18, 2026 |
| Efthimios Mitropoulos | director | 15.6K | 0.05% | Mar 18, 2026 |
| Denis Andreas Petropoulos | director | 10.0K | 0.03% | Mar 18, 2026 |
| Karen Jane Purnell | director | 10.0K | 0.03% | Mar 18, 2026 |
| Clio Hatzimichalis | director | 5.0K | 0.02% | Aug 17, 2026 |
1 ten-percent owner holds 7.64M shares by Form 4, outside the officers-and-directors figure above · 43 people have not refiled in the last 18 months (1.31M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 13, 2026 | Clio Hatzimichalisdirector | Sale | 5,000 | $41.07 | 5,000 |
| Jul 14, 2026 | Nicholas Francis Tommasinodirector | Sale | 2,490 | $40.07 | 2,874 |
| Apr 28, 2026 | Nikolaos Tsakosdirector, officer: Chief Executive Officer | Purchase | 12,500 | $39.92 | 906,000 |
| Apr 29, 2026 | Nikolaos Tsakosdirector, officer: Chief Executive Officer | Purchase | 12,500 | $39.95 | 918,500 |
CongressHouse and Senate disclosures
Not reported.