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TEN

Tsakos Energy Navigation Limited

Energy · Oil & Gas Midstream

47.30$ +0.2% vs. previous close Closing price · As of: Sep 30, 2026

Ownership

Ownership Structure

Who owns Tsakos Energy Navigation Limited (TEN)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 71.5% of the shares are freely tradable; institutional investors hold 32.6%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 32.6%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 28.1%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 71.5%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 0.8%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 30Mio.

Largest Shareholders

Institutions

Institutions TEN
Name Stake (%) Shares Change (%) Date
Arrowstreet Capital Limited Partnership 2.70 813,845 +22.8 03/31/2026
CastleKnight Management LP 2.65 799,391 -35.0 03/31/2026
Two Sigma Investments LLC 2.30 694,416 +94.5 06/30/2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 2.20 661,577 +2.6 03/31/2026
Acadian Asset Management LLC 2.06 620,202 +0.0 03/31/2026
Renaissance Technologies Corp 1.55 466,225 +15.2 03/31/2026
Morgan Stanley - Brokerage Accounts 1.46 439,776 +30.8 03/31/2026
Cooper Creek Partners Management LLC 1.32 397,557 +0.0 03/31/2026
Main Street Financial Solutions, LLC (PA) 1.32 397,235 +0.2 06/30/2026

Funds

Funds TEN
Name Stake (%) Shares Change (%) Date
Global X SuperDividend™ US ETF 1.81 545,112 +0.0 08/31/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Insider holdings

Insider holdings TEN
Person Role Shares Value As of Type
Kosmatos Theoharrys Evgenios CFO and CAO 14,700 695,310 $ Sep 18, 2026 direct

Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.

Insiders

Insider Transactions

Insider Transactions
Date Person Role Type Shares Price Value
Sep 18, 2026 Kosmatos Theoharrys Evgenios CFO and CAO Sell 10,000 53.00 530,014

Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →

Data as of: September 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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