13F Insight
DOSSIER · 13F Holders · Q1 2026High-convictionMulti-bagger
KOS 3.125 03/15/30

KOSMOS ENERGY LTD

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

CUSIP 500688AH9·22 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 3.3%
vs prior quarter
13F value held
$247M
77.0% inst. owned
of float
Holders
22
-51 QoQ
filers reporting
Activity
+43 / −43
+959 added · −830 reduced
this quarter
Concentration
18.16%
LMR Partners LLP #1
top holder share
AI Holders Summary · Q1 2026

22 institutions reported KOS 3.125 03/15/30 in Q1 2026. LMR Partners LLP leads at 18.2% of the visible book. -51 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
LMR Partners LLP
CIK 0001578621
$45M59.0M0.10%Q1 202602
FMR LLC
CIK 0000315066
$36M46.1M0.00%Q1 202603
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$32M41.4M0.05%Q1 202604
Converium Capital Inc.
CIK 0002043653
$22M28.3M12.74%Q1 202605
ROYAL BANK OF CANADA
CIK 0001000275
$17M17.2M0.00%Q1 202606
BTG Pactual Asset Management US LLC
CIK 0001569579
$12M15.7M1.08%Q1 202607
D. E. Shaw & Co., Inc.
CIK 0001009207
$12M29.0M0.01%Q4 202508
Lombard Odier Asset Management (USA) Corp
CIK 0001491719
$11M14.0M1.16%Q1 202609
Walleye Capital LLC
CIK 0001758720
$9M11.6M0.04%Q1 202610
Weiss Asset Management LP
CIK 0001357550
$8M10.4M0.14%Q1 202611
DEUTSCHE BANK AG\
CIK 0000948046
$7M8.7M0.00%Q1 202612
STATE STREET CORP
CIK 0000093751
$6M7.5M0.00%Q1 202613
WHITEBOX ADVISORS LLC
CIK 0001257391
$5M6.5M0.06%Q1 202614
Capula Management Ltd
CIK 0001557017
$5M6K0.03%Q1 202615
SSI INVESTMENT MANAGEMENT LLC
CIK 0000938487
$5M5.8M0.31%Q1 202616
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$4M5.0M0.00%Q1 202617
BlackRock, Inc.
CIK 0002012383
$3M4.3M0.00%Q1 202618
ZAZOVE ASSOCIATES LLC
CIK 0001009012
$3M6.5M0.24%Q4 202519
BALYASNY ASSET MANAGEMENT L.P.
CIK 0001218710
$2M3.1M0.00%Q1 202620
UBS Group AG
CIK 0001610520
$1M1.7M0.00%Q1 2026
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