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Equibles

TEN

Tsakos Energy Navigation Ltd

Company with tickers: TEN, TEN-PE, TEN-PF

CIK
1166663
CUSIP
G9108L173
Shares Outstanding
30,127,603
13F Activity (30d)
50 filings 46 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 89
Total Value: $254,598,402
Total Shares: 6,452,064

Institutional Ownership Trend

27 quarters

Holder Concentration

Across 89 13F filers · Δ vs Dec 31, 2025
Top Holder
12.4%
Dec 2023 → Mar 2026 · range 10.3% – 17.9%
−5.6 pts
Top 5
47.1%
Dec 2023 → Mar 2026 · range 38.5% – 57.0%
−10.0 pts
Top 10
69.6%
Dec 2023 → Mar 2026 · range 61.1% – 78.4%
−8.8 pts
HHI
608
Dec 2023 → Mar 2026 · range 461 – 834
Broadly held−226

Quarterly Activity

vs Dec 31, 2025
New
35
Increased
25
Decreased
20
Sold Out
17
Unchanged
9
Holder count: +18
Institutional value: +65.5%
Shares held: -5.9%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Large ACADIAN ASSET MANAGEMENT LLC +586,674 620,202
Mega D. E. Shaw & Co., Inc. +279,465 345,272
Large Walleye Capital LLC +248,345 286,314
Large TUDOR INVESTMENT CORP ET AL +148,713 227,268
Mega TWO SIGMA INVESTMENTS, LP +122,586 357,015

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Small Sagil Capital LLP −611,366 250,000
Mid CastleKnight Management LP −431,257 799,391
Mid Jump Financial, LLC −78,804 12,190
Small GRATIA CAPITAL, LLC −43,200 100,028
Mega RAYMOND JAMES FINANCIAL INC −37,831 12,901

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC 121,608 $4,798,651
Large Russell Investments Group, Ltd. 98,281 $3,878,168
Large MARSHALL WACE, LLP 70,869 $2,796,490
Small Manatuck Hill Partners, LLC 70,000 $2,762,200
Mid Engineers Gate Manager LP 65,334 $2,578,079

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 662,650 $14,856,613
Small Main Street Financial Solutions, LLC 396,909 $8,898,699
Mid Pale Fire Capital SE 295,909 $6,634,279
Mid SPROTT INC. 55,000 $1,233,100
Mega UBS Group AG 44,364 $994,639
Filter: New 35 Increased 25 Reduced 20 Sold out 17 Unchanged 9
Showing 91 of 91
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mid CastleKnight Management LP $31,543,968 12.39% 799,391
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $26,105,828 10.25% 661,577
Large ACADIAN ASSET MANAGEMENT LLC $24,473,170 9.61% 620,202
Mega TWO SIGMA INVESTMENTS, LP $14,087,811 5.53% 357,015
Mega D. E. Shaw & Co., Inc. $13,624,433 5.35% 345,272
Small FOUNDATION RESOURCE MANAGEMENT INC Endowment $13,525,822 5.31% 342,773
Large Walleye Capital LLC $11,297,950 4.44% 286,314
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $11,182,964 4.39% 283,400
Small Sagil Capital LLP $9,865,000 3.87% 250,000
Large TUDOR INVESTMENT CORP ET AL $8,967,995 3.52% 227,268
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $8,077,462 3.17% 204,700
Small Condire Management, LP $7,535,952 2.96% 190,977
Mid GROUP ONE TRADING LLC $5,121,513 2.01% 129,790
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC $4,798,651 1.88% 121,608
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $4,387,281 1.72% 111,183
Mid Glenorchy Capital Ltd $4,380,770 1.72% 111,018
Small GRATIA CAPITAL, LLC $3,947,104 1.55% 100,028
Large Russell Investments Group, Ltd. $3,878,168 1.52% 98,281
Large HRT FINANCIAL LP $3,618,994 1.42% 91,713
Large MARSHALL WACE, LLP $2,796,490 1.10% 70,869
Small Manatuck Hill Partners, LLC $2,762,200 1.08% 70,000
Mid Susquehanna Portfolio Strategies, LLC $2,600,216 1.02% 65,895
Mid Engineers Gate Manager LP $2,578,079 1.01% 65,334
Mega STATE STREET CORP $2,531,950 0.99% 64,165
Large STIFEL FINANCIAL CORP $2,252,810 0.88% 57,091
Mid IMC-Chicago, LLC $2,071,255 0.81% 52,490
Small Hartree Partners, LP $1,696,780 0.67% 43,000
Large ExodusPoint Capital Management, LP $1,562,773 0.61% 39,604
Mid BOOTHBAY FUND MANAGEMENT, LLC $1,198,518 0.47% 30,373
Mid PDT Partners, LLC $1,169,239 0.46% 29,631
Mid Campbell & CO Investment Adviser LLC $1,110,720 0.44% 28,148
Mid XTX Topco Ltd $1,067,314 0.42% 27,048
Mid Sanctuary Advisors, LLC $1,000,547 0.39% 25,356
Small NAVELLIER & ASSOCIATES INC $960,456 0.38% 24,340
Large Centiva Capital, LP $956,786 0.38% 24,247
Mega BNP PARIBAS ARBITRAGE, SA $854,506 0.34% 21,655
Mid Graham Capital Management, L.P. $808,219 0.32% 20,482
Large Tidal Investments LLC $745,359 0.29% 18,889
Mega LPL Financial LLC $718,566 0.28% 18,210
Mega HSBC HOLDINGS PLC $718,290 0.28% 18,203
Small nVerses Capital, LLC $710,516 0.28% 18,006
Mid WINTON GROUP Ltd $677,567 0.27% 17,171
Large Focus Partners Wealth $672,793 0.26% 17,050
Small De Lisle Partners LLP $644,697 0.25% 16,338
Mid Perigon Wealth Management, LLC $603,343 0.24% 15,290
Small COMMONS CAPITAL, LLC $591,900 0.23% 15,000
Mid Savant Capital, LLC $571,657 0.22% 14,487
Small Oceanic Investment Management LTD $514,874 0.20% 13,048
Mega RAYMOND JAMES FINANCIAL INC $509,073 0.20% 12,901
Mid Jump Financial, LLC $481,017 0.19% 12,190
Large NewEdge Advisors, LLC $457,301 0.18% 11,589
Mid Y-Intercept (Hong Kong) Ltd $448,147 0.18% 11,357
Mid National Philanthropic Trust $410,660 0.16% 10,407
Small Counterpoint Mutual Funds LLC Mutual Fund $353,837 0.14% 8,967
Mid Orion Porfolio Solutions, LLC $339,000 0.13% 8,591
Small DRIVE WEALTH MANAGEMENT, LLC $334,067 0.13% 8,466
Mid Moors & Cabot, Inc. $301,277 0.12% 7,635
Large COMMONWEALTH EQUITY SERVICES, LLC $298,712 0.12% 7,570
Micro Nipun Capital, L.P. $292,004 0.11% 7,400
Mid Entropy Technologies, LP $239,758 0.09% 6,076
Small HARVEY CAPITAL MANAGEMENT INC $236,760 0.09% 6,000
Small Drucker Wealth 3.0, LLC $235,142 0.09% 5,959
Large Police & Firemen's Retirement System of New Jersey Pension $231,669 0.09% 5,871
Small R Squared Ltd $230,919 0.09% 5,852
Small Marnell Management LLC $224,566 0.09% 5,691
Mid Ascent Group, LLC $205,822 0.08% 5,216
Small Naviter Wealth, LLC $203,219 0.08% 5,150
Micro Semanteon Capital Management, LP $200,062 0.08% 5,070
Large OSAIC HOLDINGS, INC. $112,776 0.04% 2,858
Mid Smartleaf Asset Management LLC $94,467 0.04% 2,394
Mid EverSource Wealth Advisors, LLC $81,090 0.03% 2,055
Large Steward Partners Investment Advisory, LLC $78,920 0.03% 2,000
Small State of Wyoming $78,249 0.03% 1,983
Mid MAI Capital Management $78,130 0.03% 1,980
Mid Advisory Services Network, LLC $71,501 0.03% 1,812
Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Pension $48,377 0.02% 1,226
Small Caitong International Asset Management Co., Ltd $48,022 0.02% 1,217
Mid SBI Securities Co., Ltd. Broker-Dealer $24,780 0.01% 628
Small Triumph Capital Management $19,730 0.01% 500
Large Federation des caisses Desjardins du Quebec $19,335 0.01% 490
Mid Larson Financial Group LLC $11,088 0.00% 281
Mid Farther Finance Advisors, LLC $6,195 0.00% 157
Large CWM, LLC $5,800 0.00% 147
Small Ascentis Independent Advisors $3,946 0.00% 100
Large NATIONAL BANK OF CANADA /FI/ Bank $3,906 0.00% 99
Micro Bare Financial Services, Inc $3,511 0.00% 89
Mid Allworth Financial LP $3,314 0.00% 84
Small Rossby Financial, LCC $1,223 0.00% 31
Small Root Financial Partners, LLC $1,104 0.00% 28
Micro Stone House Investment Management, LLC $434 0.00% 11
Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO $236 0.00% 6

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