Comparable stake leader
SEA CONSOLIDATION S A OF PANAMA
SEC ownership of TSAKOS ENERGY NAVIGATION LTD
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001166663.
Disclosed value leader
SEA CONSOLIDATION S A OF PANAMA
Comparable rows
50/50
Latest evidence
14 Jul 2026
- Public ticker
- TEN, TEN-PE, TEN-PF on NYSE
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
SEA CONSOLIDATION S A OF PANAMA
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
SEA CONSOLIDATION S A OF PANAMA
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
14 Jul 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001166663
- Issuer location
- Athens
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of TSAKOS ENERGY NAVIGATION LTD (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
SEA CONSOLIDATION S A OF ...
Disclosed value leader
SEA CONSOLIDATION S A OF ...
Comparable rows
50/50
Latest evidence
14 Jul 2026
13D/G
3/4/5
13F
Lead comparable stake: 17%
13D/G row: SEA CONSOLIDATION S A OF PANAMA
Showing 1-8 of 50 holder rows.
Quick read
SEA CONSOLIDATION S A OF PANAMA leads the comparable SEC ownership view at 17%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens SEA CONSOLIDATION S A OF PANAMA's linked filing trail.
Comparable ownership
Top 5
SEA CONSOLIDATION S A OF PANAMA
17%
TSAKOS HOLDINGS FOUNDATION
11%
CastleKnight Master Fund LP
4.1%
Aristides Athanassios Nicholas Pa...
0.11%
Michael Jolliffe
0.06%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| SEA CONSOLIDATION S A OF PANAMA |
13D/G
NIKOLAS P. TSAKOS
|
17%
|
$84,801,778
5,023,802 shares
|
$0 | 27 Nov 2024 |
| TSAKOS HOLDINGS FOUNDATION |
13D/G
|
11%
|
$54,404,291
3,223,003 shares
|
$0 | 16 May 2025 |
| CastleKnight Master Fund LP |
13D/G
|
4.1%
|
$30,876,958
1,230,648 shares
|
-$25,612,851 | 31 Dec 2025 |
| Aristides Athanassios Nicholas Patrinos |
3/4/5
Director
|
0.11%
|
$999,696
32,093 shares
|
— | 18 Mar 2026 |
| Michael Jolliffe |
3/4/5
Director
|
0.06%
|
$573,160
18,400 shares
|
— | 18 Mar 2026 |
| Efthimios Elias Mitropoulos |
3/4/5
Director
|
0.05%
|
$485,940
15,600 shares
|
— | 18 Mar 2026 |
| Clio Hatzimichalis |
3/4/5
Director
|
0.03%
|
$311,500
10,000 shares
|
— | 18 Mar 2026 |
| Denis Andreas Petropoulos |
3/4/5
Director
|
0.03%
|
$311,500
10,000 shares
|
— | 18 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$898,579.
Buys
$998,341
Insiders: 1
Sells
$99,762
Insiders: 1
Net
+$898,579
Shares: +22,510
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 25,000
Shares: 2,490
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 2,490 | $0 | $99,762 | -$99,762 |
| 3-6 | 25,000 | 0 | $998,341 | $0 | +$998,341 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-12 of 12 reporting-owner rows connected to TSAKOS ENERGY NAVIGATION LTD. Open a relationship link for the CIK-to-CIK filing trail.
Rows
12
Largest Forms 3/4/5 holder
Nikolaos Tsakos
Net 12M change
+$898,579
Latest report
14 Jul 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Nikolaos Tsakos | Chief Executive Officer, Director | $220,710,821 | +$998,341 | +0.45% | Mixed | 08 Jul 2026 |
| Georgios Saroglou | President and COO, Director | $1,308,300 | Mixed | 18 Mar 2026 | ||
| Aristides Athanassios Nicholas Patrinos | Director | $999,696 | Mixed | 18 Mar 2026 | ||
| Theoharrys Evgenios Kosmatos | CFO and CAO | $769,405 | Mixed | 18 Mar 2026 | ||
| Efstratios Georgios Arapoglou | Director | $591,850 | Mixed | 18 Mar 2026 | ||
| Michael Jolliffe | Director | $573,160 | Mixed | 18 Mar 2026 | ||
| Efthimios Elias Mitropoulos | Director | $485,940 | Mixed | 18 Mar 2026 | ||
| Karen Jane Purnell | Director | $311,500 | Mixed | 18 Mar 2026 | ||
| Denis Andreas Petropoulos | Director | $311,500 | Mixed | 18 Mar 2026 | ||
| Clio Hatzimichalis | Director | $311,500 | Mixed | 18 Mar 2026 | ||
| Vasileios Papageorgiou | Chief Marine Officer | $155,750 | Mixed | 18 Mar 2026 | ||
| Nicholas Francis Tommasino | Director | $115,146 | -$99,762 | -46% | Filing P/S | 14 Jul 2026 |
Recent insider transactions for TSAKOS ENERGY NAVIGATION LTD
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Nicholas Francis Tommasino | TEN | Common Shares | Sale | -46.4% | $99,762 | $40.06 | -2,490 | 2,874 | 14 Jul 2026 | Direct |
| Nikolaos Tsakos | TEN | Common Shares | Gift | 500,000 | 500,000 | 08 Jul 2026 | By spouse | |||
| Nikolaos Tsakos | TEN | Common Shares | Gift | -86% | -500,000 | 81,600 | 08 Jul 2026 | Direct | ||
| Nikolaos Tsakos | TEN | Common Shares | Purchase | 1.38% | $499,355 | $39.95 | 12,500 | 918,500 | 29 Apr 2026 | By Intermed Champion S.A. of Panama |
| Nikolaos Tsakos | TEN | Common Shares | Purchase | 1.4% | $498,986 | $39.92 | 12,500 | 906,000 | 28 Apr 2026 | By Intermed Champion S.A. of Panama |
* marks a reported price that did not pass the local price check.