Latest Period
Q1 2026
Security Snapshot
TSAKOS ENERGY NAVIGATION LTD - Common Shares, par value $5.00 per share (TEN) Institutional Ownership
CUSIP: G9108L173
13F Institutional Holders and Ownership History from Q1 2019 to Q1 2026
Institutions Reporting
107
Shares (Excl. Options)
9,520,164
Price
$39.46
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- Type / Class
- Equity / Common Shares, par value $5.00 per share
- Symbol
- TEN on NYSE
- Shares outstanding
- 30,015,805
- Price per share
- $38.70
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 9,520,164
- Total reported value
- $375,351,257
- % of total 13F portfolios
- 0%
- Share change
- +2,210,062
- Value change
- +$94,259,827
- Number of holders
- 107
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- TEN - TSAKOS ENERGY NAVIGATION LTD - Common Shares, par value $5.00 per share is tracked under CUSIP G9108L173.
- 107 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 85 to 107 between Q4 2025 and Q1 2026.
- Reported value moved from $172,308,491 to $375,351,257.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 107 institutions filings for Q1 2026.
Security key
G9108L173
Latest holder period
Q1 2026
13F holders
107
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
TEN full holder history
TSAKOS ENERGY NAVIGATION LTD SEC filings
TSAKOS ENERGY NAVIGATION LTD company facts
TSAKOS ENERGY NAVIGATION LTD insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G9108L173:
Significant Owners of TSAKOS ENERGY NAVIGATION LTD - Common Shares, par value $5.00 per share (TEN) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| SEA CONSOLIDATION S A OF PANAMA | 17% | $84,801,778 | 5,023,802 | NIKOLAS P. TSAKOS | 27 Nov 2024 | |||
| TSAKOS HOLDINGS FOUNDATION | 11% | $54,404,291 | 3,223,003 | TSAKOS HOLDINGS FOUNDATION | 16 May 2025 | |||
| CastleKnight Master Fund LP | 4.1% | -42% | $30,876,958 | -$25,612,851 | 1,230,648 | -45% | CastleKnight Master Fund LP | 31 Dec 2025 |
As of 31 Mar 2026, 107 institutional investors reported holding 9,520,164 shares of TSAKOS ENERGY NAVIGATION LTD - Common Shares, par value $5.00 per share (TEN). This represents 32% of the company’s total 30,015,805 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of TSAKOS ENERGY NAVIGATION LTD - Common Shares, par value $5.00 per share (TEN) together control 27% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 2.7% | 813,845 | +23% | 0.02% | $32,114,324 |
| CastleKnight Management LP | 2.7% | 799,391 | -35% | 1.5% | $31,543,969 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.2% | 661,577 | +2.6% | 0.04% | $26,105,828 |
| ACADIAN ASSET MANAGEMENT LLC | 2.1% | 620,202 | +1750% | 0.03% | $24,459,000 |
| RENAISSANCE TECHNOLOGIES LLC | 1.6% | 466,225 | +15% | 0.03% | $18,397,238 |
| MORGAN STANLEY | 1.5% | 439,776 | +31% | 0% | $17,353,561 |
| COOPER CREEK PARTNERS MANAGEMENT LLC | 1.3% | 397,557 | 0.75% | $15,688,000 | |
| GOLDMAN SACHS GROUP INC | 1.3% | 383,889 | +282% | 0% | $15,148,246 |
| JANE STREET GROUP, LLC | 1.3% | 379,139 | +133% | 0.02% | $14,960,825 |
| TWO SIGMA INVESTMENTS, LP | 1.2% | 357,015 | +52% | 0.01% | $14,087,812 |
| D. E. Shaw & Co., Inc. | 1.2% | 345,272 | +425% | 0.01% | $13,624,433 |
| FOUNDATION RESOURCE MANAGEMENT INC | 1.1% | 342,773 | -1.7% | 1.5% | $13,525,823 |
| Walleye Capital LLC | 0.95% | 286,314 | +654% | 0.07% | $11,297,950 |
| Sagil Capital LLP | 0.83% | 250,000 | -71% | 6.3% | $9,865,000 |
| TUDOR INVESTMENT CORP ET AL | 0.76% | 227,268 | +189% | 0.05% | $8,967,995 |
| Condire Management, LP | 0.64% | 190,977 | 0% | 0.73% | $7,535,952 |
| MILLENNIUM MANAGEMENT LLC | 0.49% | 146,053 | 0% | $5,763,251 | |
| GROUP ONE TRADING LLC | 0.43% | 129,790 | +67% | 0.17% | $5,121,513 |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 0.41% | 121,608 | 0.02% | $4,798,652 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.37% | 111,183 | +123% | 0.01% | $4,387,281 |
| Glenorchy Capital Ltd | 0.37% | 111,018 | +5.5% | 2.4% | $4,380,787 |
| JPMORGAN CHASE & CO | 0.35% | 105,264 | +201% | 0% | $4,000,032 |
| UBS Group AG | 0.34% | 101,479 | +129% | 0% | $4,004,361 |
| GRATIA CAPITAL, LLC | 0.33% | 100,028 | -30% | 3.7% | $3,947,105 |
| Russell Investments Group, Ltd. | 0.33% | 98,281 | 0% | $3,734,678 |
Institutional Holders of TSAKOS ENERGY NAVIGATION LTD - Common Shares, par value $5.00 per share (TEN) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 9,520,164 | $375,351,257 | +$94,259,827 | $39.46 | 107 |
| 2025 Q4 | 7,685,612 | $172,308,491 | -$4,359,230 | $22.42 | 85 |
| 2025 Q3 | 7,838,348 | $174,155,812 | +$15,008,023 | $22.22 | 79 |
| 2025 Q2 | 7,182,494 | $137,830,531 | +$22,816,661 | $19.19 | 71 |
| 2025 Q1 | 6,028,410 | $102,844,313 | +$8,091,000 | $17.06 | 61 |
| 2024 Q4 | 5,555,932 | $96,339,037 | -$24,082,911 | $17.34 | 71 |
| 2024 Q3 | 6,433,121 | $161,355,567 | -$14,266,401 | $25.10 | 89 |
| 2024 Q2 | 6,942,308 | $203,026,635 | +$31,385,659 | $29.28 | 105 |
| 2024 Q1 | 5,734,788 | $145,618,147 | +$3,086,098 | $25.39 | 86 |
| 2023 Q4 | 5,806,977 | $129,058,872 | +$838,028 | $22.22 | 78 |
| 2023 Q3 | 5,653,937 | $117,505,295 | -$9,552,135 | $20.78 | 71 |
| 2023 Q2 | 6,171,368 | $110,014,186 | -$11,952,102 | $17.82 | 75 |
| 2023 Q1 | 6,804,434 | $132,190,305 | +$9,210,462 | $19.43 | 74 |
| 2022 Q4 | 6,390,182 | $108,189,724 | +$20,758,140 | $16.93 | 79 |
| 2022 Q3 | 5,244,376 | $80,081,986 | +$16,365,696 | $15.27 | 60 |
| 2022 Q2 | 4,197,833 | $37,634,167 | +$3,571,912 | $8.97 | 42 |
| 2022 Q1 | 305,314 | $2,682,703 | -$3,842,370 | $7.97 | 6 |
| 2021 Q4 | 3,485,549 | $25,289,989 | -$3,852,396 | $7.24 | 38 |
| 2021 Q3 | 3,884,592 | $41,544,462 | -$3,589,507 | $10.70 | 38 |
| 2021 Q2 | 4,289,087 | $36,880,175 | +$593,652 | $8.60 | 43 |
| 2021 Q1 | 4,109,664 | $38,923,390 | -$24,367,136 | $9.47 | 45 |
| 2020 Q4 | 7,149,273 | $57,403,502 | +$30,315,022 | $8.03 | 47 |
| 2020 Q3 | 3,375,271 | $26,699,414 | +$22,395,391 | $7.92 | 42 |
| 2020 Q2 | 899,508 | $1,808,000 | +$1,807,000 | $2.01 | 5 |
| 2020 Q1 | 95 | $1,000 | $10.53 | 1 | |
| 2019 Q4 | 95 | $1,000 | $10.53 | 1 | |
| 2019 Q3 | 95 | $1,000 | $10.53 | 1 | |
| 2019 Q2 | 95 | $1,000 | $10.53 | 1 | |
| 2019 Q1 | 95 | $1,000 | $10.53 | 1 |