Kosmos Energy Ltd (KOS) Ownership

2.28 ↑0.03 (1.33%)

As of December 31, 1969, 7:00pm EST.

Institutions
Mutual Funds

Institutional Ownership

BlackRock Inc is the biggest individual institutional holder of Kosmos Energy Ltd (KOS), owning a total of 56.7 million shares. Combined, the top 40 institutional holders of KOS own 105.06% of the company with a total of 498.7 million shares.

In the latest ownership report on December 31st 2024, the top 40 institutional holders increased their combined ownership of KOS by 25.9 million shares. 16 institutions bought 48,355,799 total additional shares and increased their ownership by an average of 20.59%. However 4 institutions sold 22,433,815 total shares and decreased their ownership by an average of 27.72%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Kosmos Energy Ltd increased by a net total of 25,921,984 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
BlackRock Inc	11.856%	12.998%	56,660,534	6,517,689	2024-12-31
Grantham, Mayo, Van Otterloo & Co., LLC	6.827%	22.103%	32,627,567	5,906,210	2024-12-31
American Century Companies Inc	6.185%	11.286%	29,556,382	2,997,438	2024-12-31
Hotchkis & Wiley Capital Management LLC	4.900%	10.761%	23,416,795	2,274,980	2024-12-31
Vaughan Nelson Scarbrgh & Mccullough LP	4.268%	-27.793%	20,395,199	-7,850,216	2024-12-31
State Street Corp	3.990%	2.380%	19,066,492	443,157	2024-12-31
William Blair Investment Management, LLC	3.922%	28.125%	18,743,734	4,114,499	2024-12-31
Patients Capital Management LLC	3.588%	81.649%	17,147,729	7,707,707	2024-12-31
Vanguard Group Inc	3.118%	0.037%	14,899,220	5,449	2024-12-31
Dimensional Fund Advisors, Inc.	2.441%	0.154%	11,667,478	17,929	2024-12-31
Mason Hill Asset Management Incet AL	2.390%	39.232%	11,421,895	3,218,394	2024-12-31
Geode Capital Management, LLC	2.203%	-0.517%	10,526,253	-54,726	2024-12-31
Encompass Capital Advisors LLC	2.186%	0.000%	10,445,208	10,445,208	2024-12-31
Amvescap Plc.	1.626%	1.163%	7,771,597	89,356	2024-12-31
Charles Schwab Investment Management Inc	1.458%	13.846%	6,969,329	847,635	2024-12-31
Morgan Stanley - Brokerage Accounts	1.384%	15.286%	6,613,945	876,964	2024-12-31
T. Rowe Price Associates, Inc.	1.370%	-67.348%	6,548,777	-13,507,569	2024-12-31
M&G PLC	1.303%	5.324%	6,226,597	314,753	2024-12-31
Natixis Advisors, LLC.	1.191%	-15.219%	5,689,552	-1,021,304	2024-12-31
Barclays PLC	1.174%	85.019%	5,611,213	2,578,431	2024-12-31

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
BlackRock Inc	11.856%	12.998%	56,660,534	6,517,689	2024-12-31
Grantham, Mayo, Van Otterloo & Co., LLC	6.827%	22.103%	32,627,567	5,906,210	2024-12-31
FMR Inc	6.621%	-19.668%	31,243,875	-7,649,762	2024-09-30
American Century Companies Inc	6.185%	11.286%	29,556,382	2,997,438	2024-12-31
Hotchkis & Wiley Capital Management LLC	4.900%	10.761%	23,416,795	2,274,980	2024-12-31
State Street Corporation	4.354%	14.079%	20,544,990	2,535,550	2024-03-31
Vaughan Nelson Scarbrgh & Mccullough LP	4.268%	-27.793%	20,395,199	-7,850,216	2024-12-31
State Street Corp	3.990%	2.380%	19,066,492	443,157	2024-12-31
William Blair Investment Management, LLC	3.922%	28.125%	18,743,734	4,114,499	2024-12-31
Patients Capital Management LLC	3.588%	81.649%	17,147,729	7,707,707	2024-12-31
Vanguard Group Inc	3.118%	0.037%	14,899,220	5,449	2024-12-31
Dimensional Fund Advisors, Inc.	2.441%	0.154%	11,667,478	17,929	2024-12-31
Mason Hill Asset Management Incet AL	2.390%	39.232%	11,421,895	3,218,394	2024-12-31
Geode Capital Management, LLC	2.203%	-0.517%	10,526,253	-54,726	2024-12-31
Encompass Capital Advisors LLC	2.186%	0.000%	10,445,208	10,445,208	2024-12-31
Patient Capital Management, LLC	1.926%	13.008%	9,084,879	1,045,735	2024-06-30
Maple Rock Capital Partners, Inc.	1.902%	0.000%	8,970,519	0	2023-12-31
D. E. Shaw & Co LP	1.918%	1.427%	8,822,845	124,118	2022-12-31
First Trust Advisors L.P.	1.869%	17.812%	8,588,547	1,298,489	2022-09-30
Amvescap Plc.	1.626%	1.163%	7,771,597	89,356	2024-12-31
Balyasny Asset Management LLC	1.586%	64.197%	7,482,171	2,925,331	2024-03-31
RWC Asset Advisors (US) LLC	1.584%	-14.267%	7,474,571	-1,243,884	2024-06-30
Boston Partners Global Investors, Inc	1.482%	20.343%	6,993,141	1,182,123	2024-06-30
KEY GROUP HOLDINGS (CAYMAN), LTD.	1.518%	0.000%	6,984,661	0	2023-09-30
Charles Schwab Investment Management Inc	1.458%	13.846%	6,969,329	847,635	2024-12-31
Jennison Associates LLC	1.456%	2.989%	6,868,689	199,317	2024-09-30
Two Sigma Investments LLC	1.470%	-24.376%	6,700,149	-2,159,709	2022-06-30
Morgan Stanley - Brokerage Accounts	1.384%	15.286%	6,613,945	876,964	2024-12-31
T. Rowe Price Associates, Inc.	1.370%	-67.348%	6,548,777	-13,507,569	2024-12-31
Bank of America Corp	1.359%	11.803%	6,414,393	677,148	2024-09-30
Goldman Sachs Group Inc	1.358%	163.243%	6,402,072	3,970,073	2023-12-31
M&G PLC	1.303%	5.324%	6,226,597	314,753	2024-12-31
Acadian Asset Management LLC	1.291%	0.000%	6,091,041	6,091,041	2024-06-30
JPMorgan Chase & Co	1.278%	-9.581%	6,025,841	-638,501	2023-12-31
Capital Research & Mgmt Co - Division 3	1.267%	0.000%	5,976,597	0	2024-09-30
Adage Capital Partners Gp LLC	1.254%	28.579%	5,914,609	1,314,609	2024-03-31
Two Sigma Advisers, LLC	1.239%	-15.314%	5,699,922	-1,030,700	2023-03-31
Natixis Advisors, LLC.	1.191%	-15.219%	5,689,552	-1,021,304	2024-12-31
Barclays PLC	1.174%	85.019%	5,611,213	2,578,431	2024-12-31
Northern Trust Corp	0.953%	1.409%	4,383,547	60,889	2023-03-31

Mutual Fund Ownership

GMO Resources III is the biggest individual fund holder of Kosmos Energy Ltd (KOS), owning a total of 25.4 million shares. Combined, the top 47 mutual fund holders of KOS own 70.34% of the company with a total of 331.7 million shares.

In the latest ownership report on February 28th 2025, the top 47 fund holders increased their combined ownership of KOS by 682 thousand shares. 5 funds bought 827,938 total additional shares and increased their ownership by an average of 3.87%. However 2 funds sold 146,423 total shares and decreased their ownership by an average of 0.64%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding Kosmos Energy Ltd increased by a net total of 681,515 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Avantis US Small Cap Value ETF	2.650%	0.252%	12,663,386	31,768	2025-02-28
iShares Russell 2000 ETF	2.519%	-1.162%	12,036,461	-141,547	2025-02-28
SPDR® S&P Oil & Gas Explor & Prodtn ETF	1.752%	0.311%	8,373,950	25,926	2025-02-28
Vanguard Institutional Extnd Mkt Idx Tr	1.500%	0.785%	7,168,933	55,801	2025-02-28
BlackRock High Equity Income Instl	0.953%	15.829%	4,554,206	622,385	2025-02-28
William Blair SMID Growth CIT 1	0.915%	2.151%	4,372,841	92,058	2025-02-28
iShares Russell 2000 Growth ETF	0.864%	-0.118%	4,129,632	-4,876	2025-02-28

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
GMO Resources III	5.321%	11.816%	25,427,539	2,687,053	2024-12-31
GMO Resources Composite	5.321%	19.997%	25,427,539	4,237,353	2024-12-31
GMO Resources Strategy	3.821%	12.962%	17,575,601	2,016,800	2022-12-31
Patient Opportunity C	2.825%	84.932%	13,500,000	6,200,000	2024-12-31
Strategic Advisers® Fidelity US TtlStk	2.807%	3.765%	12,915,641	468,572	2023-11-30
Avantis US Small Cap Value ETF	2.650%	0.252%	12,663,386	31,768	2025-02-28
iShares Russell 2000 ETF	2.519%	-1.162%	12,036,461	-141,547	2025-02-28
Fidelity® Series Large Cap Stock	2.527%	0.000%	11,626,455	0	2023-11-30
American Century U.S. Small Cap Growth	2.268%	-1.516%	10,837,667	-166,777	2024-12-31
American Century Small Cap Growth Inv	2.268%	-1.516%	10,837,667	-166,777	2024-12-31
Invesco Small Cap Value A	1.804%	24.476%	8,622,534	1,695,456	2025-01-31
SPDR® S&P Oil & Gas Explor & Prodtn ETF	1.752%	0.311%	8,373,950	25,926	2025-02-28
Vanguard Institutional Extnd Mkt Idx Tr	1.500%	0.785%	7,168,933	55,801	2025-02-28
First Trust Nasdaq Oil & Gas ETF	1.478%	0.232%	6,738,447	15,580	2022-11-30
Bridge Builder Small/Mid Cap Value	1.381%	3.257%	6,516,630	205,540	2024-11-30
Vanguard Extended Market Index Investor	1.366%	-0.018%	6,285,433	-1,121	2023-08-31
American Funds SMALLCAP World A	1.267%	0.000%	5,976,597	0	2024-09-30
American Century U.S. Small Cap Gr SMA	1.224%	1.521%	5,630,427	84,358	2023-03-31
T. Rowe Price International Discovery	1.077%	0.000%	5,147,628	0	2025-01-31
T. Rowe Price International Small-Cap Eq	1.077%	-1.635%	5,147,628	-85,547	2024-12-31
Cobas Selección C FI	1.052%	113.777%	5,027,228	2,675,606	2024-12-31
Avantis® U.S. Small Cap Value ETF	1.050%	0.000%	4,832,164	0	2023-07-29
T. Rowe Price Real Assets Tr I-Z	1.022%	10.551%	4,824,139	460,428	2024-09-30
Hotchkis & Wiley Mid-Cap Value I	1.003%	0.000%	4,795,120	0	2025-01-31
Cobas Internacional C FI	0.998%	118.703%	4,770,675	2,589,325	2024-12-31
Fidelity Small Cap Index	0.983%	-1.017%	4,695,536	-48,232	2024-12-31
BNP Paribas US Small Cap Classic R	0.982%	5.656%	4,692,491	251,197	2025-01-31
BlackRock High Equity Income Instl	0.953%	15.829%	4,554,206	622,385	2025-02-28
BGF World Energy A2	0.957%	5.709%	4,516,121	243,917	2024-04-30
Fidelity® Small Cap Index	0.955%	2.802%	4,395,913	119,820	2023-10-31
American Beacon Small Cp Val R5	0.917%	0.000%	4,380,507	0	2025-01-31
William Blair SMID Growth CIT 1	0.915%	2.151%	4,372,841	92,058	2025-02-28
William Blair Small-Mid Cap Growth CIT	0.907%	30.030%	4,280,783	988,629	2024-12-31
iShares Russell 2000 Growth ETF	0.864%	-0.118%	4,129,632	-4,876	2025-02-28
Fidelity Series Large Cap Stock	0.869%	-14.058%	4,100,355	-670,700	2024-08-31
Hotchkis & Wiley Small Cap Value I	0.865%	0.000%	4,080,900	0	2024-11-30
Fidelity® Value	0.879%	1.957%	4,042,658	77,600	2023-11-30
T. Rowe Price New Era	0.845%	3.100%	3,888,141	116,900	2023-09-30
Fidelity® Balanced	0.835%	0.723%	3,840,518	27,548	2023-10-31
Fidelity® Growth & Income	0.833%	-4.951%	3,830,055	-199,500	2023-05-31
JPM Global Natural Resources A (acc) EUR	0.811%	-5.241%	3,731,784	-206,388	2023-08-31
Fidelity Balanced	0.784%	0.000%	3,696,718	0	2024-01-31
Strategic Advisers Fidelity US TtlStk	0.781%	-41.599%	3,684,200	-2,624,241	2024-11-30
Fidelity Value	0.771%	0.000%	3,636,358	0	2024-11-30
JPM Natural Resources C Net Acc	0.788%	-1.200%	3,627,207	-44,045	2023-07-31
Fidelity Advisor® Capital Development O	0.767%	0.353%	3,495,801	12,311	2022-10-31
T. Rowe Price Real Assets	0.700%	-11.921%	3,301,111	-446,800	2023-12-31