Tsakos Energy Navigation Limited (TEN) Ownership

NYSE: TENTop holders, insider trades and short interest.

TEN ownership summary

as of October 18, 2026
Institutions
34.2%
of shares outstanding
Insiders
28.05%
of shares outstanding
Shares outstanding
30.1M
Float
21.5M
shares available to trade
Short interest
1.09%
291K shares short
Days to cover
0.55
short interest up 30.1% vs prior month
  • Institutions 34.20%
  • Insiders 28.05%
  • Other investors 37.75%

TEN top institutional holders

20 largest
Tsakos Energy Navigation Limited top institutional holders
#Holder% of sharesSharesValueChangeReported
1Acadian Asset Management LLC3.39%1.0M$52.3M+401,440 (+64.7%)June 30, 2026
2CastleKnight Management LP2.65%800K$40.9M+203 (+0.0%)June 30, 2026
3Arrowstreet Capital Limited Partnership2.54%765K$39.2M−48,734 (−6.0%)June 30, 2026
4Two Sigma Investments LLC2.30%694K$35.5M+337,401 (+94.5%)June 30, 2026
5MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.2.11%635K$32.5M−26,892 (−4.1%)June 30, 2026
6Morgan Stanley - Brokerage Accounts1.69%509K$26.0M+68,975 (+15.7%)June 30, 2026
7Jane Street Group LLC1.58%475K$24.3M+95,743 (+25.3%)June 30, 2026
8Renaissance Technologies Corp1.57%472K$24.2M+5,978 (+1.3%)June 30, 2026
9The Goldman Sachs Group Inc1.34%402K$20.6M+18,451 (+4.8%)June 30, 2026
10Main Street Financial Solutions, LLC (PA)1.32%397K$20.3M+605 (+0.2%)June 30, 2026
11Foundation Resource Management Inc1.12%336K$17.2M−6,332 (−1.8%)June 30, 2026
12Tudor Investment Corp Et AL0.85%256K$13.1M+29,023 (+12.8%)June 30, 2026
13D. E. Shaw & Co LP0.67%203K$10.4M−142,210 (−41.2%)June 30, 2026
14Point72 Asset Management, L.P.0.67%202K$10.3M+121,682 (+151.9%)June 30, 2026
15JPMorgan Chase & Co0.61%183K$9.3M+77,362 (+73.5%)June 30, 2026
16Condire Management LP0.58%175K$9.0M−16,050 (−8.4%)June 30, 2026
17Qube Research & Technologies0.54%163K$8.3M+163,018 (0.0%)June 30, 2026
18HRT FINANCIAL LLC0.54%163K$8.3M+71,102 (+77.5%)June 30, 2026
19UBS Group AG0.45%135K$6.9M+33,197 (+32.7%)June 30, 2026
20Millennium Management LLC0.40%120K$6.1M−26,237 (−18.0%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 1.4M shares and 6 cut 266K.

TEN top mutual fund and ETF holders

20 largest
Tsakos Energy Navigation Limited top fund holders
#Holder% of sharesSharesValueChangeReported
1Global X SuperDividend™ US ETF1.81%547K$28.0M—September 30, 2026
2Goldman Sachs Em Mkts Eq Insghts Intl0.40%120K$6.1M—July 31, 2026
3Acadian Emerg Mkts Eq II A USD Acc0.37%112K$5.7M+7,191 (+6.9%)September 30, 2026
4Global X MSCI Greece ETF0.36%108K$5.5M—September 30, 2026
5RAM (Lux) Sys Emg Mkts Equities B USD0.29%86K$4.4M−18,246 (−17.5%)June 30, 2026
6Indosuez Funds America Small&Mid Caps G0.28%84K$4.3M+44,325 (+110.8%)August 31, 2026
7Invesco Oil & Gas Services ETF0.28%84K$4.3M—September 30, 2026
8GS EM CORE Eq I Acc USD Close0.13%39K$2.0M−15,768 (−28.6%)July 31, 2026
9Acadian Emerging Markets Investor0.13%39K$2.0M—August 31, 2026
10Acadian Select Em Mkts Equity A GBP Acc0.10%30K$1.6M+6,534 (+27.4%)September 30, 2026
11SonicShares™ Global Shipping ETF0.07%20K$1.0M−570 (−2.8%)September 30, 2026
12VT De Lisle America B USD0.06%19K$989,719−2,500 (−11.4%)September 30, 2026
13Pacific Select Emerging Markets I0.06%17K$880,296+9,600 (+126.3%)July 31, 2026
14State Street® SPDR® S&P® Intl Sm Cp ETF0.04%12K$603,924—September 30, 2026
15Strategic Advisers Emerging Markets0.03%9,948$509,139—August 31, 2026
16Golden Eagle Dynamic Hypergrowth ETF0.03%8,382$428,991+8,382 (0.0%)September 30, 2026
17CapForce IBD® Breakout Opportunities ETF0.02%6,587$337,123+3,689 (+127.3%)September 30, 2026
18Goldman Sachs Absolute Ret Trckr Instl0.02%5,971$305,596+3,721 (+165.4%)June 30, 2026
19Acadian Em Mkts exChn Eq C2i0.7500USDAcc0.02%4,579$234,353—June 30, 2026
20BSF Systematic US Eq Abs Ret A2 USD0.01%3,584$183,429−3,348 (−48.3%)December 31, 2025

Funds report holdings monthly or quarterly; dates differ by fund.

TEN insider transactions

latest 1
Tsakos Energy Navigation Limited insider transactions
DateNameTransactionPriceSharesValue
2021-09-13Jane L WarnerBuy$13.8020,000$276,000

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

TEN shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns TEN

Institutional investors own 34.2% of Tsakos Energy Navigation's shares and insiders 28.05%. The largest holder is Acadian Asset Management LLC with 3.39% of the shares (1.0M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 6 reduced their stake in the latest filings. Short interest is 1.09% of the float, or 0.55 days of average trading volume. The share count fell 51.7% since 2014.

Related: TEN analyst forecast, TEN key metrics, TEN dividend history. See the TEN stock overview for the latest quote and news.

TEN ownership FAQ

Who owns the most Tsakos Energy Navigation stock?

The largest shareholders of Tsakos Energy Navigation are Acadian Asset Management LLC (3.39%), CastleKnight Management LP (2.65%), Arrowstreet Capital Limited Partnership (2.54%), Two Sigma Investments LLC (2.30%), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (2.11%).

What percentage of Tsakos Energy Navigation is owned by institutions?

Institutions hold 34.2% of Tsakos Energy Navigation's shares outstanding; insiders hold 28.05%.

Which funds own Tsakos Energy Navigation?

The largest fund holders of Tsakos Energy Navigation are Global X SuperDividend™ US ETF (1.81%), Goldman Sachs Em Mkts Eq Insghts Intl (0.40%), Acadian Emerg Mkts Eq II A USD Acc (0.37%), Global X MSCI Greece ETF (0.36%), RAM (Lux) Sys Emg Mkts Equities B USD (0.29%).

What is Tsakos Energy Navigation's short interest?

291K shares of Tsakos Energy Navigation were sold short, 1.09% of the float; at the average daily volume it would take 0.55 days to cover.

Are insiders buying or selling Tsakos Energy Navigation?

Of the latest 1 reported insider transactions in Tsakos Energy Navigation (since September 13, 2021), 1 were purchases and 0 were sales.

How many shares of Tsakos Energy Navigation are outstanding?

Tsakos Energy Navigation has 30.1M shares outstanding, of which 21.5M are in the public float.

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