# TSAKOS ENERGY NAVIGATION LTD (TENPRE)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/TENPRE/

- Reporting holders: 3
- Reported value: $4.7M
- Held through calls: 32.9%
- Held through puts: 67.1%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [IMC-Chicago, LLC](https://holderbook.com/funds/1452861-imc-chicago-llc/) | $3.2M | 0 | 0.0% | 5 |
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $820.6K | 0 | 0.0% | 24 |
| [SIMPLEX TRADING, LLC](https://holderbook.com/funds/1488542-simplex-trading-llc/) | $732.2K | 0 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 3 | $4.7M |
| Q1 2026 | 3 | $7.1M |
| Q4 2025 | 2 | $2.5M |
| Q3 2025 | 3 | $4.7M |
| Q2 2025 | 3 | $2.7M |
| Q1 2025 | 3 | $3.2M |
| Q4 2024 | 2 | $4.5M |
| Q3 2024 | 2 | $8.1M |
| Q2 2024 | 3 | $6.4M |
| Q1 2024 | 3 | $9.8M |
| Q4 2023 | 3 | $14.5M |
| Q3 2023 | 3 | $10.1M |