13F Insight
DOSSIER · 13F Holders · Q2 2026

TSAKOS ENERGY NAVIGATION LTD

116 institutions still hold TSAKOS ENERGY NAVIGATION LTD as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G9108L173·116 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$297M
visible holders
Holders
116
filers reporting
Concentration
11.90%
CastleKnight Management LP #1
top holder share
AI Holders Summary · Q2 2026

116 institutions reported TSAKOS ENERGY NAVIGATION LTD in Q2 2026. CastleKnight Management LP leads at 11.9% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
CastleKnight Management LP
CIK 0001835751
$35M1000K0.48%Q2 202602
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$27M765K0.01%Q2 202603
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$25M694K0.02%Q2 202604
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$24M620K0.03%Q1 202605
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
CIK 0001705339
$22M635K0.03%Q2 202606
MORGAN STANLEY
CIK 0000895421
$18M509K0.00%Q2 202607
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$18M445K0.00%Q1 202608
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$17M472K0.02%Q2 202609
COOPER CREEK PARTNERS MANAGEMENT LLC
CIK 0001512162
$16M398K0.54%Q1 202610
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$14M404K0.00%Q2 202611
GOLDMAN SACHS GROUP INC
CIK 0000886982
$14M402K0.00%Q2 202612
Main Street Financial Solutions, LLC
CIK 0001763350
$14M397K0.90%Q2 202613
FOUNDATION RESOURCE MANAGEMENT INC
CIK 0001179232
$12M336K1.38%Q2 202614
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
$9M227K0.02%Q1 202615
JPMORGAN CHASE & CO
CIK 0000019617
$7M183K0.00%Q2 202616
Condire Management, LP
CIK 0001847739
$6M175K0.66%Q2 202617
Qube Research & Technologies Ltd
CIK 0001729829
$6M163K0.01%Q2 202618
UBS Group AG
CIK 0001610520
$5M135K0.00%Q2 202619
Russell Investments Group, Ltd.
CIK 0001692234
$4M124K0.00%Q2 202620
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$4M120K0.00%Q2 2026
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