Latest Period
Q2 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 Q2 2026
Institutions Reporting
112
Shares (Excl. Options)
10,194,626
Price
$35.37
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- Security type / class
- Equity / Common Shares, par value $5.00 per share
- Symbol
- TEN on NYSE
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 10,194,626
- Total 13F value
- $360,738,604
- Portfolio coverage rank
- 0%
- Share change
- +229,448
- Value change
- +$4,428,504
- Number of holders
- 112
- Shares outstanding
- 30,015,805
- SEC-reported price per share
- $39.45
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F 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.
- 112 institutions reported positions in Q2 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 110 to 112 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $391,462,470 to $360,738,604.
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 112 institutions filings for Q2 2026.
Security key
G9108L173
Latest holder period
Q2 2026
13F holders
112
13D/G owners
3
CIK / CUSIP context first
Open Q2 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:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
TEN
| 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 30 Jun 2026, 112 institutional investors reported holding 10,194,626 shares of TSAKOS ENERGY NAVIGATION LTD - Common Shares, par value $5.00 per share (TEN). This represents 34% of the company’s total 30,015,805 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
29%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| ACADIAN ASSET MANAGEMENT LLC | 3.4% | 1,021,642 | +65% | 0.04% | $36,110,000 |
| CastleKnight Management LP | 2.7% | 799,594 | +0.03% | 1% | $28,281,640 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 2.5% | 765,111 | -6% | 0.01% | $27,061,976 |
| TWO SIGMA INVESTMENTS, LP | 2.3% | 694,416 | +95% | 0.02% | $24,561,494 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.1% | 634,685 | -4.1% | 0.03% | $22,448,808 |
| MORGAN STANLEY | 1.7% | 508,751 | +16% | 0% | $17,994,523 |
| JANE STREET GROUP, LLC | 1.6% | 474,882 | +25% | 0.01% | $16,796,577 |
| RENAISSANCE TECHNOLOGIES LLC | 1.6% | 472,203 | +1.3% | 0.02% | $16,701,820 |
| GOLDMAN SACHS GROUP INC | 1.3% | 402,340 | +4.8% | 0% | $14,230,753 |
| Main Street Financial Solutions, LLC | 1.3% | 397,235 | +0.15% | 0.9% | $14,050,202 |
| FOUNDATION RESOURCE MANAGEMENT INC | 1.1% | 336,441 | -1.8% | 1.4% | $11,899,918 |
| TUDOR INVESTMENT CORP ET AL | 0.85% | 256,291 | +13% | 0.04% | $9,065,013 |
| D. E. Shaw & Co., Inc. | 0.68% | 203,062 | -41% | 0% | $7,182,303 |
| Point72 Asset Management, L.P. | 0.67% | 201,791 | +152% | 0.01% | $7,137,348 |
| JPMORGAN CHASE & CO | 0.61% | 182,626 | +73% | 0% | $6,530,706 |
| Condire Management, LP | 0.58% | 174,927 | -8.4% | 0.66% | $6,187,168 |
| Qube Research & Technologies Ltd | 0.54% | 163,018 | 0.01% | $5,765,947 | |
| HRT FINANCIAL LP | 0.54% | 162,815 | +78% | 0.01% | $5,758,000 |
| UBS Group AG | 0.45% | 134,676 | +33% | 0% | $4,763,490 |
| Russell Investments Group, Ltd. | 0.41% | 123,738 | +26% | 0% | $4,424,870 |
| MILLENNIUM MANAGEMENT LLC | 0.4% | 119,816 | -18% | 0% | $4,237,892 |
| GROUP ONE TRADING LLC | 0.39% | 116,687 | -10% | 0.12% | $4,127,219 |
| Glenorchy Capital Ltd | 0.37% | 111,180 | +0.15% | 2.5% | $3,932,451 |
| PDT Partners, LLC | 0.33% | 97,994 | +231% | 0.18% | $3,466,048 |
| NAVELLIER & ASSOCIATES INC | 0.32% | 96,633 | +297% | 0.27% | $3,417,909 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
30
Latest
Q2 2026
Rows shown
1-25 of 30
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 10,194,626 | $360,738,604 | +$4,428,504 | $35.37 | 112 |
| 2026 Q1 | 9,928,456 | $391,462,470 | +$94,704,315 | $39.46 | 110 |
| 2025 Q4 | 7,685,685 | $172,310,128 | -$4,359,230 | $22.42 | 86 |
| 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 |