Kosmos EnergyKOS

13F holders, Q1 2026 (March 31)
262holders +52
79new positions
30sold out
8famous investors
$2.78avg. 13F price*

At the end of Q1 2026, 262 institutions reported holding Kosmos Energy Ltd. (KOS) in their 13F filings, up 52 from Q4 2025. 79 opened new positions and 30 sold out. The largest holders were BlackRock, Inc. ($131.9M), State Street Corp. ($78.5M) and Equinox Partners Investment Management LLC ($57.5M). 8 famous investors held it, including Jeremy Grantham (0.1% of GMO's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Kosmos Energy Ltd.
CUSIP
500688106
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300 Q1 2024: 244Q1 2024Q2 2024: 267Q2 2024Q3 2024: 270Q3 2024Q4 2024: 270Q4 2024Q1 2025: 252Q1 2025Q2 2025: 226Q2 2025Q3 2025: 235Q3 2025Q4 2025: 210Q4 2025Q1 2026: 262Q1 2026Q2 2026: 268Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions79$152.3M
Exits30$2.6M

All 13F filers, Q4 2025 → Q1 2026: 132,835,792 shares bought and 42,784,679 shares sold, net +90,051,113 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 262 holders

BlackRock, Inc. 0.00% Add +1.3% 47,463,094 $131.9M
State Street Corp. 0.00% Add +38.3% 28,247,797 $78.5M
Equinox Partners Investment Management LLC 23.95% Add +6.2% 20,678,033 $57.5M
D. E. Shaw & Co. 0.05% Add +241.7% 20,385,745 $56.7M
Hotchkis & Wiley Capital Management LLC 0.17% Reduce -0.3% 20,051,601 $55.7M
Two Sigma Investments, LP 0.04% Add +384.5% 18,680,328 $51.9M
GMO 0.13% Reduce -47.4% 18,307,718 $50.9M
Charles Schwab Investment Management Inc. 0.01% Add +17.4% 14,135,448 $39.3M
Geode Capital Management, LLC 0.00% Add +12.8% 12,714,055 $35.4M
Millennium Management 0.03% Reduce -14.8% 12,632,904 $35.1M
Jane Street Group, LLC 0.04% Add +26.7% 11,743,115 $32.6M
Invesco Ltd. 0.00% Add +496.0% 11,150,239 $31.0M
Goldman Sachs Group Inc. 0.00% Add +36.9% 9,261,696 $25.7M
Vanguard Portfolio Management LLC 0.00% — 8,619,103 $24.0M
Davidson Kempner Capital Management LP 0.64% New 8,419,986 $23.4M
First Trust Advisors LP 0.02% Add +9.2% 7,694,248 $21.4M
M&G PLC 0.11% Reduce -19.5% 7,031,872 $21.1M
Dimensional Fund Advisors LP 0.00% Add +20.5% 7,083,075 $19.7M
Vanguard Capital Management LLC 0.00% — 6,422,390 $17.9M
Russell Investments Group, Ltd. 0.02% Reduce -0.5% 5,857,655 $16.3M
Morgan Stanley 0.00% Add +23.9% 5,837,077 $16.2M
Bank of America Corp. 0.00% Add +43.9% 5,541,020 $15.4M
Renaissance Technologies 0.02% Add +224.0% 5,339,638 $14.8M
UBS Group AG 0.00% Reduce -21.6% 4,812,090 $13.4M
Boston Partners 0.01% New 4,756,571 $13.3M
Citadel Advisors 0.01% Reduce -19.9% 4,450,077 $12.4M
Northern Trust Corp. 0.00% Add +15.3% 4,231,394 $11.8M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +6.7% 4,153,678 $11.5M
Monaco Asset Management SAM 3.69% New 4,045,884 $11.2M
Ostrum Asset Management 0.63% No change 4,008,525 $11.1M
Vaughan Nelson Investment Management, L.P. 0.11% No change 4,008,525 $11.1M
Ghisallo Capital Management LLC 0.28% New 3,675,000 $10.2M
Nuveen, LLC 0.00% Add +144.1% 3,314,644 $9.2M
Vanguard Fiduciary Trust Co. 0.00% — 3,232,465 $9.0M
Covalis Capital LLP 0.55% New 3,162,820 $8.8M
HRT Financial LP 0.02% New 2,719,928 $7.6M
JPMorgan Chase & Co. 0.00% Add +26.8% 2,551,897 $7.6M
Nomura Holdings Inc. 0.05% Add +129.4% 2,354,135 $6.5M
Susquehanna International Group, LLP 0.01% Reduce -4.4% 2,347,639 $6.5M
Walleye Capital LLC 0.04% New 2,314,477 $6.4M
GeoSphere Capital Management, LLC 3.41% New 2,038,788 $5.7M
Ballast Asset Management, LP 2.51% Add +11.4% 2,028,059 $5.6M
Point72 Asset Management 0.01% Add +216.3% 1,964,598 $5.5M
Nantahala Capital Management, LLC 0.32% Reduce -21.3% 1,844,194 $5.1M
Arrowstreet Capital, Limited Partnership 0.00% New 1,729,874 $4.8M
Barclays PLC 0.00% Reduce -19.2% 1,654,710 $4.6M
Wells Fargo & Company 0.00% Reduce -9.7% 1,559,792 $4.3M
Sei Investments Co. 0.00% Add +76.8% 1,515,992 $4.2M
Bank of New York Mellon Corp 0.00% Reduce -1.2% 1,507,387 $4.2M
Quadrature Capital Ltd 0.05% New 1,474,133 $4.1M
J. Goldman & Co LP 0.19% New 1,443,749 $4.0M
LPL Financial LLC 0.00% New 1,404,359 $3.9M
Rafferty Asset Management, LLC 0.02% Add +66.2% 1,347,730 $3.7M
AQR Capital Management 0.00% Add +140.9% 1,292,241 $3.6M
Algert Global LLC 0.05% New 1,256,867 $3.5M
Quantbot Technologies LP 0.14% New 1,231,912 $3.4M
Swiss National Bank 0.00% Add +17.4% 1,106,800 $3.1M
ExodusPoint Capital Management, LP 0.03% New 1,096,323 $3.0M
LMR Partners LLP 0.03% New 1,036,943 $2.9M
First Sabrepoint Capital Management LP 1.14% New 1,000,000 $2.8M
Purpose Unlimited Inc. 0.12% New 1,000,000 $2.8M
Susquehanna Portfolio Strategies, LLC 0.04% New 990,888 $2.8M
Thomist Capital Management, LP 0.88% New 927,209 $2.6M
Aquatic Capital Management LLC 0.07% New 923,417 $2.6M
CenterBook Partners LP 0.13% New 891,474 $2.5M
Caxton Associates LLP 0.05% Add +70.7% 828,839 $2.3M
Boothbay Fund Management, LLC 0.05% New 759,700 $2.1M
Raiffeisen Bank International AG 0.03% Reduce -30.0% 700,000 $2.1M
XTX Topco Ltd 0.04% Reduce -20.4% 727,213 $2.0M
SG Americas Securities, LLC 0.00% Add +494.9% 722,891 $2.0M
Gratia Capital, LLC 1.90% New 719,800 $2.0M
Ameriprise Financial Inc. 0.00% Reduce -24.5% 700,026 $1.9M
California State Teachers Retirement System 0.00% Add +52.3% 663,917 $1.8M
Harbor Capital Advisors, Inc. 0.15% Add +166.7% 653,420 $1.8M
Citigroup Inc. 0.00% Reduce -18.0% 623,677 $1.7M
Portolan Capital Management, LLC 0.09% New 602,542 $1.7M
Rhumbline Advisers 0.00% Reduce -3.7% 590,100 $1.6M
Creative Planning 0.00% Add +69.9% 514,155 $1.4M
IMC-Chicago, LLC 0.02% Add +59.0% 508,873 $1.4M
Aventail Capital Group, LP 0.07% New 500,000 $1.4M
Centiva Capital, LP 0.06% New 495,305 $1.4M
WINTON GROUP Ltd 0.05% New 487,200 $1.4M
Moors & Cabot, Inc. 0.05% Add +138.6% 438,950 $1.2M
Deutsche Bank AG 0.00% Add +20.0% 432,137 $1.2M
Man Group plc 0.00% Add +179.3% 430,613 $1.2M
VANGUARD ASSET MANAGEMENT, Ltd 0.00% — 392,801 $1.1M
Schonfeld Strategic Advisors LLC 0.01% New 367,733 $1.0M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +53.6% 358,692 $997K
Verdence Capital Advisors LLC 0.06% New 352,132 $979K
T. Rowe Price Associates Inc. 0.00% Add +22.9% 344,462 $958K
Numerai GP LLC 0.09% Add +304.6% 309,767 $861K
Headlands Technologies LLC 0.10% New 306,574 $852K
SBI Securities Co., Ltd. 0.02% Add +21256.4% 300,271 $835K
Legal & General Group Plc 0.00% Reduce -28.4% 294,581 $818K
RWC Asset Management LLP 0.04% New 292,513 $813K
Caitong International Asset Management Co., Ltd 0.14% Add +344548.1% 272,272 $757K
Cloverfields Capital Group, LP 0.24% No change 271,878 $756K
Jupiter Asset Management Ltd. 0.00% New 261,059 $726K
Dalton Investments, Inc. 0.67% Reduce -50.0% 250,000 $695K
MetLife Investment Management, LLC 0.00% Add +4.9% 238,147 $662K
KLP Kapitalforvaltning As 0.00% Add +20.9% 237,400 $660K
Vanguard Global Advisers, LLC 0.00% — 230,640 $641K
Janus Henderson Group PLC 0.00% No change 211,288 $586K
Itau Unibanco Holding S.A. 0.01% New 208,847 $581K
Mercer Global Advisors Inc. 0.00% Add +16.9% 203,499 $566K
Ethic Inc. 0.01% Reduce -35.9% 201,480 $560K
Engineers Gate Manager LP 0.01% New 201,333 $560K
Counterpoint Mutual Funds LLC 0.08% New 191,885 $533K
Inspire Investing, LLC 0.03% Reduce -65.0% 183,420 $510K
Axq Capital, LP 0.06% New 181,054 $503K
Marshall Wace, LLP 0.00% Add +407.0% 168,691 $469K
GF Fund Management Co. LTD. 0.01% Add +13.8% 163,701 $455K
Alliancebernstein L.P. 0.00% Reduce -3.6% 492,860 $447K
Amundi 0.00% Add +97.4% 154,931 $431K
New York State Common Retirement Fund 0.00% Reduce -44.2% 154,152 $429K
Atria Investments, Inc 0.00% Reduce -24.1% 150,821 $419K
Squarepoint Ops LLC 0.00% Reduce -76.0% 150,723 $419K
Gallagher Fiduciary Advisors, LLC 0.02% Reduce -24.3% 150,403 $418K
Adage Capital Partners Gp, L.L.C. 0.00% No change 150,000 $417K
Vanguard Investments Australia, Ltd. 0.00% — 146,482 $407K
Gotham Asset Management 0.00% Add +199.3% 145,620 $405K
Pale Fire Capital SE 0.04% New 145,000 $403K
Scientech Research LLC 0.32% New 138,072 $384K
Arizona State Retirement System 0.00% Add +0.0% 131,985 $367K
Police & Firemen's Retirement System of New Jersey 0.00% No change 130,933 $364K
State Board of Administration of Florida Retirement System 0.00% No change 130,370 $362K
BNP Paribas Financial Markets 0.00% Add +32.9% 128,982 $359K
Manufacturers Life Insurance Company, The 0.00% Reduce -41.8% 128,919 $358K
State of Wisconsin Investment Board 0.00% Add +379.5% 125,172 $348K
Intech Investment Management LLC 0.00% Reduce -43.9% 124,940 $347K
Banco Santander, S.A. 0.00% Reduce -19.4% 124,536 $346K
Two Sigma Securities, LLC 0.04% Add +52.6% 121,918 $339K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% Reduce -22.2% 119,493 $332K
Stifel Financial Corp. 0.00% Reduce -53.2% 115,994 $322K
Brevan Howard Capital Management LP 0.00% Reduce -21.5% 114,350 $318K
Focus Partners Wealth 0.00% New 114,212 $318K
Cwm, LLC 0.00% Add +4490.6% 100,533 $279K
Mariner, LLC 0.00% Add +482.5% 100,455 $279K
Blair William & Co. 0.00% Add +0.1% 100,069 $278K
American Century Companies Inc. 0.00% Reduce -99.1% 98,202 $273K
PEAK6 LLC 0.01% New 97,645 $271K
Ellevest, Inc. 0.04% Reduce -44.4% 97,291 $270K
Virtu Financial LLC 0.01% New 93,169 $259K
Gsa Capital Partners LLP 0.02% New 92,076 $256K
Pictet Asset Management Holding SA 0.00% Add +31.6% 86,684 $241K
Voya Investment Management LLC 0.00% Reduce -6.2% 83,239 $231K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 79,598 $221K
Cerity Partners LLC 0.00% Add +523.6% 75,719 $210K
Prudential Financial Inc. 0.00% Add +152.1% 75,195 $209K
Wellington Management Group LLP 0.00% New 74,323 $207K
Balyasny Asset Management L.P. 0.00% Add +8.1% 72,405 $201K
Sanders Morris Harris LLC 0.03% New 71,000 $197K
Tower Research Capital LLC (TRC) 0.01% Add +158.5% 69,017 $192K
ProShare Advisors LLC 0.00% Reduce -20.7% 68,776 $191K
Public Employees Retirement Association of Colorado 0.00% No change 65,370 $182K
Sfmg, LLC 0.01% Reduce -24.0% 63,480 $176K
Graham Capital Management, L.P. 0.01% Reduce -91.2% 62,305 $173K
FMR LLC 0.00% Add +57.5% 54,514 $152K
Commonwealth Equity Services, LLC 0.00% Reduce -3.7% 54,478 $151K
Captrust Financial Advisors 0.00% Add +88.6% 53,939 $150K
Victory Capital Management Inc. 0.00% Reduce -0.1% 52,806 $147K
OMERS ADMINISTRATION Corp 0.00% New 52,800 $147K
Raymond James Financial Inc. 0.00% Reduce -94.2% 51,378 $143K
DRW Securities, LLC 0.01% Reduce -41.1% 51,024 $142K
Vanguard Personalized Indexing Management, LLC 0.00% Add +192.3% 47,175 $131K
Summit Securities Group LLC 0.06% New 47,000 $131K
Public Employees Retirement System of Ohio 0.00% Add +10.2% 46,938 $130K
CANADA LIFE ASSURANCE Co 0.00% No change 46,757 $130K
Ieq Capital, LLC 0.00% New 45,869 $128K
Wealth Enhancement Advisory Services, LLC 0.00% Add +146.5% 40,945 $120K
Xponance LLC 0.00% Add +16.5% 42,733 $119K
Sawgrass Asset Management LLC 0.02% Add +57.6% 40,709 $113K
Prelude Capital Management, LLC 0.01% New 39,654 $110K
Ameritas Investment Partners, Inc. 0.00% No change 39,642 $110K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Reduce -1.8% 38,153 $106K
DGS Capital Management, LLC 0.02% Add +6.1% 35,613 $99K
Swiss Life Asset Management Ltd 0.00% Add +65.2% 34,678 $96K
Smith, Moore & Co. 0.01% Add +22.7% 34,386 $96K
Ballentine Partners, LLC 0.00% Add +41.4% 34,094 $95K
Jump Financial, LLC 0.00% New 32,773 $91K
US Bancorp \de 0.00% Add +52.4% 31,070 $86K
Neuberger Berman Group LLC 0.00% Add +104.3% 30,408 $85K
Fruth Investment Management 0.02% Reduce -6.3% 30,000 $83K
Old Port Advisors 0.02% No change 29,704 $83K
Franklin Resources Inc. 0.00% Add +101.2% 29,017 $81K
Inspirion Wealth Advisors, LLC 0.01% New 27,828 $77K
Sig Brokerage, LP 0.02% No change 26,288 $73K
Parallel Advisors, LLC 0.00% Add +106.5% 25,268 $70K
Westhampton Capital, LLC 0.03% No change 25,000 $70K
Militia Capital Management LLC 0.02% — 25,000 $70K
CIBC Bancorp USA Inc. 0.00% — 24,224 $67K
SmartHarvest Portfolios, LLC 0.03% Add +73.0% 23,814 $66K
Signaturefd, LLC 0.00% Add +25.4% 23,458 $65K
Caprock Group, LLC 0.00% Add +7.9% 23,430 $65K
GTS Securities LLC 0.00% Reduce -14.9% 23,085 $64K
Marex Group Ltd 0.00% Reduce -1.1% 22,261 $62K
Y-Intercept (Hong Kong) Ltd 0.00% New 21,649 $60K
Principal Financial Group Inc. 0.00% Reduce -0.0% 20,413 $57K
Lexington Hill Partners, LLC 0.03% No change 20,000 $56K
R Squared Ltd 0.03% Add +12.6% 19,365 $54K
Nomura Asset Management Co. Ltd. 0.00% New 19,000 $53K
Victory Financial Group, LLC 0.01% Add +1.4% 18,994 $53K
Walleye Trading LLC 0.00% Add +15.3% 16,863 $47K
Curi Capital, LLC 0.00% New 16,710 $46K
KBC Group NV 0.00% New 15,653 $44K
Sterling Capital Management LLC 0.00% Reduce -44.9% 15,721 $44K
CIBC Asset Management Inc 0.00% No change 15,264 $42K
Royal Bank of Canada 0.00% Reduce -43.3% 14,895 $42K
Amalgamated Bank 0.00% No change 14,907 $41K
Oak Thistle LLC 0.00% New 14,131 $39K
Parkside Financial Bank & Trust 0.00% New 13,249 $37K
Panagora Asset Management Inc. 0.00% New 13,118 $36K
Abel Hall, LLC 0.01% New 13,095 $36K
Rockefeller Capital Management L.P. 0.00% Reduce -5.7% 12,892 $36K
Robertson Stephens Wealth Management, LLC 0.00% Reduce -55.6% 12,000 $33K
Integrated Wealth Concepts LLC 0.00% New 11,987 $33K
Merit Financial Group, LLC 0.00% New 11,815 $33K
HighTower Advisors, LLC 0.00% Reduce -17.3% 11,418 $32K
Mraz, Amerine & Associates, Inc. 0.00% No change 11,200 $31K
Caerus Investment Advisors, LLC 0.01% New 11,019 $31K
Kestra Advisory Services, LLC 0.00% New 11,000 $31K
Coldstream Capital Management Inc. 0.00% Reduce -62.2% 10,623 $30K
IronBridge Private Wealth, LLC 0.01% No change 10,000 $28K
Quadrant Capital Group LLC 0.00% Reduce -22.0% 9,027 $25K
Farther Finance Advisors, LLC 0.00% Reduce -15.8% 8,545 $23K
Equitable Holdings, Inc. 0.00% Reduce -48.6% 23,391 $21K
Allworth Financial LP 0.00% Reduce -5.1% 6,897 $19K
Osaic Holdings, Inc. 0.00% Add +155.3% 6,187 $17K
VSM Wealth Advisory, LLC 0.00% No change 5,000 $14K
Anchor Investment Management, LLC 0.00% New 5,000 $14K
Geneos Wealth Management Inc. 0.00% Add +0.3% 5,000 $14K
Heritage Wealth Advisors 0.00% No change 4,995 $14K
GAMMA Investing LLC 0.00% Add +38.1% 4,943 $14K
Advisory Services Network, LLC 0.00% New 4,803 $13K
Blue Trust, Inc. 0.00% New 4,000 $11K
EverSource Wealth Advisors, LLC 0.00% New 3,980 $11K
Vise Technologies, Inc. 0.00% No change 10,062 $9K
Kilter Group LLC 0.00% New 3,117 $9K
IFP Advisors, Inc 0.00% Add +24940.0% 2,504 $7K
Jones Financial Companies LLLP 0.00% Reduce -22.3% 2,269 $7K
Northwestern Mutual Wealth Management Co. 0.00% New 2,265 $6K
Essential Partners LLC 0.00% New 2,180 $6K
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% No change 2,145 $6K
Nisa Investment Advisors, LLC 0.00% New 2,119 $6K
Rothschild Investment LLC 0.00% Add +108.4% 1,094 $3K
CoreCap Advisors, LLC 0.00% No change 1,000 $3K
Aster Capital Management (DIFC) Ltd 0.00% New 1,126 $3K
Quarry LP 0.00% Add +186.2% 790 $2K
MassMutual Private Wealth & Trust, FSB 0.00% New 633 $2K
Bare Financial Services, Inc 0.00% No change 553 $2K
MAI Capital Management 0.00% Add +67.8% 433 $1K
NewEdge Advisors, LLC 0.00% No change 400 $1K
Elequin Capital, LP 0.00% Reduce -41.4% 369 $1K
Arax Advisory Partners 0.00% New 283 $787
Fifth Third Bancorp 0.00% New 204 $567
Bruce G. Allen Investments, LLC 0.00% New 140 $389
Cassaday & Co Wealth Management LLC 0.00% New 112 $312
Root Financial Partners, LLC 0.00% New 103 $286
Archer Investment Corp 0.00% No change 100 $278
True Wealth Design, LLC 0.00% New 57 $159
Key Financial Inc 0.00% No change 27 $75
Hantz Financial Services, Inc. 0.00% No change 6 $0

"% of holder's portfolio" is KOS's weight in each manager's 13F, not the share of Kosmos Energy Ltd. the manager owns.