13F Insight
DOSSIER · 13F Holders · Q1 2026

TSAKOS ENERGY NAVIGATION LTD

109 institutions still hold TSAKOS ENERGY NAVIGATION LTD as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G9108L173·109 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$310M
visible holders
Holders
109
filers reporting
Concentration
10.37%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP #1
top holder share
AI Holders Summary · Q1 2026

109 institutions reported TSAKOS ENERGY NAVIGATION LTD in Q1 2026. ARROWSTREET CAPITAL, LIMITED PARTNERSHIP leads at 10.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$32M814K0.02%Q1 202602
CastleKnight Management LP
CIK 0001835751
$32M799K0.53%Q1 202603
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
CIK 0001705339
$26M662K0.04%Q1 202604
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$24M620K0.03%Q1 202605
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$24M599K0.00%Q1 202606
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$18M466K0.03%Q1 202607
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$18M445K0.00%Q1 202608
MORGAN STANLEY
CIK 0000895421
$17M440K0.00%Q1 202609
COOPER CREEK PARTNERS MANAGEMENT LLC
CIK 0001512162
$16M398K0.54%Q1 202610
GOLDMAN SACHS GROUP INC
CIK 0000886982
$15M384K0.00%Q1 202611
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$14M357K0.01%Q1 202612
FOUNDATION RESOURCE MANAGEMENT INC
CIK 0001179232
$12M336K1.38%Q2 202613
Walleye Capital LLC
CIK 0001758720
$11M286K0.05%Q1 202614
Sagil Capital LLP
CIK 0001747744
$10M250K3.75%Q1 202615
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
$9M227K0.02%Q1 202616
Main Street Financial Solutions, LLC
CIK 0001763350
$9M397K0.67%Q4 202517
Condire Management, LP
CIK 0001847739
$8M191K0.73%Q1 202618
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$6M146K0.00%Q1 202619
GROUP ONE TRADING LLC
CIK 0000932540
$5M130K0.01%Q1 202620
Glenorchy Capital Ltd
CIK 0002008506
$4M111K0.26%Q1 2026
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