| Investor | Value | Of portfolio | Shares | Change | Quarter |
|---|---|---|---|---|---|
| Renaissance Technologies | $16.7M | 0.02% | 472.20K | +1.3% | Q2 2026 |
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
No member of Congress has disclosed a TEN trade since 2025.
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Aug 12, 2026 | Hatzimichalis ClioDirector | Sale at price 41.07 per share. | 5K | $205.33K |
| Jul 13, 2026 | Tommasino Nicholas F.Director | Sale at price 40.06 per share. | 2.5K | $99.76K |
| Jul 7, 2026 | Tsakos Nikolas PChief Executive Officer | Stock Gift at price 0.00 per share. | 500K | — |
| Apr 28, 2026 | Tsakos Nikolas PChief Executive Officer | Purchase at price 39.92 - 39.95 per share. | 25K | $998.34K |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 21.2 | 29.9 | 11.8 | 3.1 | -7.6 | -5.9 | 13.4 | 5.7 | 11.4 | 17.5 | +147.6% | ||
| 2025 | 3.1 | -11.1 | 7.3 | -2.0 | 8.6 | 5.7 | 0.6 | 15.3 | -0.1 | 9.7 | 0.5 | -8.5 | +29.3% |
| 2024 | 10.6 | -3.3 | 6.8 | 1.5 | 21.0 | -6.2 | -11.5 | -3.6 | 0.5 | -13.1 | -16.7 | -4.6 | −22.0% |
| 2023 | 1.4 | 38.5 | -18.3 | -11.7 | -0.1 | 4.0 | 17.6 | -3.3 | 2.5 | 6.0 | -8.4 | 10.2 | +31.2% |
| 2022 | 2.1 | 10.3 | 7.9 | 37.1 | -10.7 | -16.6 | 37.7 | 24.9 | -1.0 | 13.3 | 8.3 | -9.6 | +133.8% |
| 2021 | 3.9 | 10.9 | 2.4 | -2.3 | -2.1 | -5.1 | -7.6 | -4.4 | 40.8 | -13.6 | -21.4 | -0.4 | −9.8% |
| 2020 | -28.9 | -11.6 | 19.0 | 5.8 | -22.6 | -24.7 | -13.4 | 1.0 | -9.9 | -1.9 | 13.4 | -8.9 | −63.2% |
| 2019 | 21.1 | 5.3 | -8.6 | 3.9 | -3.7 | 6.1 | -7.3 | -1.6 | -1.7 | 20.3 | 0.0 | 22.8 | +63.9% |
| 2018 | -6.6 | -9.3 | -0.3 | 9.7 | 0.6 | 2.2 | -5.9 | -1.4 | -1.7 | -2.7 | 2.1 | -21.1 | −32.0% |
| 2017 | 0.9 | -2.1 | 3.5 | -4.2 | -7.0 | 12.4 | 2.7 | -8.7 | -0.2 | 0.0 | -14.5 | 1.8 | −16.6% |
| 2016 | -26.5 | 1.7 | 4.4 | 2.9 | 1.7 | -27.5 | 9.2 | -3.5 | -2.4 | -6.6 | -2.4 | 6.8 | −40.8% |
| 2015 | -1.1 | 8.7 | 9.1 | 12.2 | 4.1 | -0.3 | -4.3 | -17.7 | 8.3 | 10.3 | -13.4 | 1.9 | +13.5% |
| 2014 | 13.1 | 1.5 | 12.5 | -8.1 | 0.7 | -6.8 | 5.8 | 8.8 | -17.1 | 6.1 | 5.6 | -2.4 | +16.1% |
| 2013 | 12.5 | -11.6 | 16.6 | -13.1 | 28.6 | -1.9 | 7.5 | -9.9 | 12.8 | -3.8 | 0.0 | 20.0 | +60.3% |
| 2012 | 39.7 | -3.9 | 35.2 | -26.8 | -15.7 | -9.0 | 0.6 | 9.8 | -3.7 | -16.0 | -22.1 | 10.6 | −21.5% |
| 2011 | -7.0 | 5.6 | 11.8 | -5.4 | -2.1 | -1.7 | -9.4 | -28.3 | -14.2 | 7.2 | -16.4 | -4.4 | −52.2% |
| 2010 | 10.0 | -7.6 | -1.1 | -0.7 | -2.4 | -0.8 | 4.3 | -14.3 | 5.1 | -22.4 | -5.0 | 1.8 | −31.8% |
| 2009 | 5.1 | -13.2 | -15.7 | 11.1 | 43.9 | -28.4 | 10.2 | -9.6 | -2.7 | -0.8 | 7.2 | -11.9 | −20.0% |
| 2008 | -7.3 | -4.6 | -6.0 | 5.7 | 10.8 | 3.0 | -6.7 | 0.6 | -14.8 | -16.6 | -18.6 | -9.0 | −50.5% |
| 2007 | -1.2 | 2.5 | 11.8 | 9.9 | 12.5 | 8.8 | 4.0 | -6.4 | 3.4 | -1.2 | 3.8 | 2.6 | +61.4% |
Tsakos Energy Navigation Limited, together with its subsidiaries, provides seaborne crude oil and petroleum product transportation services in Greece and internationally. The company owns and operates various vessels, including VLCC, Suezmax, Aframax, Panamax, Handysize, MR, LNG carrier, and shuttle DP2 tankers. It also provides marine transportation services for national, major, and other independent oil companies and refiners. The company was formerly known as MIF Limited and changed its name to Tsakos Energy Navigation Limited in July 2001. Tsakos Energy Navigation Limited was incorporated in 1993 and is based in Athens, Greece.
Buy / hold / sell counts