TSAKOS ENERGY NAVIGATION LTD - Common Shares, par value $5.00 per share (TEN)

Q: What does CUSIP G9108L173 represent in this 13F holders report?

CUSIP G9108L173 is the security identifier for TEN - TSAKOS ENERGY NAVIGATION LTD - Common Shares, par value $5.00 per share used to aggregate holder disclosures.

Q: How many institutions held TEN - TSAKOS ENERGY NAVIGATION LTD - Common Shares, par value $5.00 per share in Q4 2025?

86 institutional investors reported TEN - TSAKOS ENERGY NAVIGATION LTD - Common Shares, par value $5.00 per share for Q4 2025. Use the holders table for investor-level position and value details.

CUSIP: G9108L173

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Common Shares, par value $5.00 per share
Total 13F shares: 7,685,685
Total 13F value: $172,310,128
Share change: -199,524
Put/Call ratio: 80%
SEC-reported price per share: $22.42
Number of holders: 86
Value change: -$4,359,230
Number of buys: 38
Number of sells: 43
Shares outstanding: 30,015,805

Security key

G9108L173

Report period

Q4 2025

Institutions

Top holders

TEN full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 TSAKOS ENERGY NAVIGATION LTD SEC filings TSAKOS ENERGY NAVIGATION LTD company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G9108L173

Newer quarter: Q2 2026

Recent filing periods:

Q2 2026

Ownership snapshot

Top reported holders of TEN - TSAKOS ENERGY NAVIGATION LTD - Common Shares, par value $5.00 per share (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

15/15

Latest evidence

31 Dec 2025

13D/G 13F Lead comparable stake: 17% 13D/G row: SEA CONSOLIDATION S A OF PANAMA Showing 1-6 of 15 holder rows.

Quick read

SEA CONSOLIDATION S A OF PANAMA leads the comparable SEC ownership view at 17%.

15 of 15 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%

CastleKnight Management LP 3.4%

ARROWSTREET CAPITAL, LIMITED PART... 2.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
SEA CONSOLIDATION S A OF PANAMA	13D/G NIKOLAS P. TSAKOS 13D/G	17%	$84,801,778 5,023,802 shares	$0	27 Nov 2024
TSAKOS HOLDINGS FOUNDATION	13D/G 13D/G	11%	$54,404,291 3,223,003 shares	$0	16 May 2025
CastleKnight Master Fund LP	13D/G 13D/G	4.1%	$30,876,958 1,230,648 shares	-$25,612,851	31 Dec 2025
CastleKnight Management LP	13F Company 13F	3.4%	$22,877,423 1,029,587 shares	—	30 Sep 2025
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F Company 13F	2.7%	$17,854,259 803,522 shares	—	30 Sep 2025
Sagil Capital LLP	13F Company 13F	2.5%	$16,833,094 757,565 shares	—	30 Sep 2025

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.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

7,685,685

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

Q4 2025 holders

Holder diff

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend