TSAKOS ENERGY NAVIGATION LTD
TENNYSEIndustrials · Deep Sea Foreign Transportation of Freight · J3 · SEC filings ↗ · Compare ⊕
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SEC XBRL · annualNo structured XBRL financials available (common for pre-2009 filers, foreign issuers, or companies that never reported as a US public company).
5%+ owners
SEC Schedule 13D / 13G · last 3 yrs- Castleknight Master Fund LpPassive (13G)Feb 17, 2026
- Tsakos Holdings FoundationActivist (13D)May 16, 2025
- Sea Consolidation S A Of PanamaActivist (13D)May 16, 2025
Holders who disclosed a 5%+ stake. 13D signals intent to influence or control; 13G is a passive holding. Latest filing per holder — open it for the exact stake.
Short interest
FINRA · bi-monthly| Settlement | Shares short | Days to cover | Δ vs prior |
|---|---|---|---|
| May 15, 2026 | 389,199 | 1.3 | -10.8% |
| Apr 30, 2026 | 436,238 | 1.6 | -2.9% |
| Apr 15, 2026 | 449,319 | 1.1 | +4.0% |
| Mar 31, 2026 | 432,110 | 1.0 | +44.6% |
| Mar 13, 2026 | 298,727 | 1.0 | -14.9% |
Shares sold short as reported to FINRA. Days-to-cover = short shares ÷ average daily volume — higher means more potential squeeze pressure.