Who owns TENWhat TEN owns — n/a

Who owns TSAKOS ENERGY NAVIGATION LTD?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of TEN from SEC Form 13F filings across 168 reporting managers. All positions are from one synchronized reporting period — 2026-03-31 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-03-31 reporting period, 168 institutions disclosed 20.4M shares of TSAKOS ENERGY NAVIGATION LTD worth $380.7M; the largest disclosed holder is BlackRock Institutional Trust Company, N.A.. Source: SEC Form 13F filings, parsed by EvidInvest.

168

13F holders

$380.7M

value, 2026 filers

20.4M

shares disclosed

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-03-31 · % of fund = share of the manager's own book · % of co. = share of TEN's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	BlackRock Institutional Trust Company, N.A.	1.7M	$107.5M	0.0%	—	—
2	BlackRock Fund Advisors	1.7M	$106.7M	0.0%	—	—
3	COLUMBIA WANGER ASSET MANAGEMENT LLC	626,230	$36.7M	0.5%	—	—
4	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	813,845	$32.1M	0.0%	—	—
5	CastleKnight Management LP	799,391	$31.5M	0.5%	—	—
6	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	661,577	$26.1M	0.0%	—	—
7	ACADIAN ASSET MANAGEMENT LLC	620,202	$24.5M	0.0%	—	—
8	AMERICAN CENTURY INVESTMENT MANAGEMENT INC	1.3M	$23.0M	0.0%	—	—
9	RENAISSANCE TECHNOLOGIES LLC	466,225	$18.4M	0.0%	—	—
10	MORGAN STANLEY	439,776	$17.4M	0.0%	—	—
11	MANAGED ACCOUNT ADVISORS LLC	295,942	$17.0M	0.0%	—	—
12	COOPER CREEK PARTNERS MANAGEMENT LLC	397,557	$15.7M	0.5%	—	—
13	Main Street Financial Solutions, LLC	396,630	$15.7M	1.1%	—	—
14	GOLDMAN SACHS GROUP INC	383,889	$15.1M	0.0%	—	—
15	JANE STREET GROUP, LLC	379,139	$15.0M	0.0%	—	—
16	BLACKROCK ADVISORS LLC	239,479	$15.0M	0.0%	—	—
17	DELTA LLOYD NV	231,050	$14.6M	0.2%	—	—
18	TWO SIGMA INVESTMENTS, LP	357,015	$14.1M	0.0%	—	—
19	D. E. Shaw & Co., Inc.	345,272	$13.6M	0.0%	—	—
20	BlackRock Investment Management, LLC	207,694	$13.0M	0.0%	—	—
21	IndexIQ Advisors LLC	643,428	$11.8M	0.4%	—	—
22	SUSQUEHANNA INTERNATIONAL GROUP, LLP	283,400	$11.2M	0.0%	—	—
23	RUSSELL FRANK CO/	197,563	$10.2M	0.0%	—	—
24	Sagil Capital LLP	250,000	$9.9M	3.8%	—	—
25	Emerald Acquisition Ltd.	158,445	$9.2M	0.0%	—	—

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.