Kosmos Energy Ltd. - Common Stock (KOS)

Historical Holders from Q3 2018 to Q3 2025

Symbol: KOS on NYSE
Type / Class: Equity / Common Stock
Shares outstanding: 478,417,703
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares, excl. options: 397,506,075
Holdings value: $662,596,298
% of all portfolios: 0.002%
Number of holders: 230
Number of buys: 103
Number of sells: -99
Average buys %: +0%
Average sells %: -0%

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Significant Owners of Kosmos Energy Ltd. - Common Stock (KOS)

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
BlackRock, Inc.	7.9%	-34.2%	$64,943,624	-$32,512,494	37,757,921	-33.4%	BlackRock, Inc.	31 Mar 2025
Grantham, Mayo, Van Otterloo & Co. LLC	7.27%	-13.4%	$57,736,405	-$8,477,389	34,780,967	-12.8%	Grantham, Mayo, Van Otterloo & Co. LLC	30 Sep 2025
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	7%		$71,499,638		33,411,046		American Century Investment Management, Inc.	30 Jun 2025
BlackRock Portfolio Management LLC	6.3%	+22%	$52,126,482	+$9,049,957	30,306,094	+21%	BlackRock Portfolio Management LLC	30 Jun 2025
cobas asset management, sgiic, s.a.	5.2%		$42,620,828		24,779,551		cobas asset management, sgiic, s.a.	10 Apr 2025
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	4.44%	-18%	$45,390,842	-$9,237,154	21,210,674	-16.9%	Hotchkis and Wiley Capital Management, LLC	30 Jun 2025
FMR LLC	2.1%		$16,907,343		9,829,850		FMR LLC	29 Nov 2024
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.	0.84%	-89.6%	$6,933,604	-$36,259,955	4,031,165	-83.9%	Vaughan Nelson Investment Management, L.P.	31 Mar 2025

Institutional Holders of Kosmos Energy Ltd. - Common Stock (KOS)

Period	Reported Shares, Excl. Options	Value, Excl. Options	Change	Puts Notional Value	Calls Notional Value	Price	Investors
2025 Q3	397,506,075	$662,596,298	-$27,368,356	$5,548,560	$4,810,072	$1.66	230
2025 Q2	414,211,641	$714,259,765	-$53,936,011	$4,892,109	$4,982,300	$1.72	222
2025 Q1	435,420,001	$990,831,898	-$24,178,044	$6,382,752	$11,813,802	$2.28	247
2024 Q4	434,467,418	$1,483,228,559	-$41,595,189	$6,082,680	$1,446,234	$3.42	266
2024 Q3	445,143,829	$1,793,908,427	-$35,616,618	$9,325,129	$1,448,826	$4.03	264
2024 Q2	446,530,055	$2,476,397,361	-$48,197,743	$18,191,698	$2,756,704	$5.54	267
2024 Q1	455,144,754	$2,712,853,408	+$129,674,838	$17,123,080	$3,157,032	$5.96	242
2023 Q4	432,591,755	$2,903,078,114	-$14,250,348	$4,833,213	$2,455,860	$6.71	243
2023 Q3	431,942,937	$3,529,846,448	+$111,284,980	$5,728,454	$7,415,810	$8.18	221
2023 Q2	420,903,235	$2,522,367,786	-$29,709,707	$1,336,718	$3,125,125	$5.99	235
2023 Q1	424,739,511	$3,157,589,069	+$162,486,630	$2,075,328	$9,451,344	$7.44	230
2022 Q4	403,898,858	$2,569,050,464	+$18,268,299	$1,800,520	$7,660,712	$6.36	233
2022 Q3	398,851,012	$2,063,155,651	+$16,879,335	$5,422,000	$34,663,000	$5.17	214
2022 Q2	394,546,108	$2,441,878,683	-$2,958,258	$3,897,000	$17,477,509	$6.19	220
2022 Q1	394,415,075	$2,834,637,427	+$148,440,024	$2,829,000	$11,642,000	$7.19	195
2021 Q4	375,249,027	$1,298,202,086	+$192,827,880	$1,067,000	$2,780,000	$3.46	163
2021 Q3	319,646,092	$943,564,890	-$17,871,692	$887,000	$1,465,000	$2.96	151
2021 Q2	324,685,181	$1,117,940,409	-$10,284,939	$774,000	$878,000	$3.46	162
2021 Q1	328,137,069	$1,006,040,087	+$13,891,889	$516,000	$97,000	$3.07	133
2020 Q4	323,688,887	$756,831,249	-$2,539,903	$96,000	$0	$2.35	125
2020 Q3	326,413,372	$320,421,360	-$20,793,540	$14,000	$47,000	$0.9756	121
2020 Q2	341,416,082	$574,126,979	+$15,634,738	$73,000	$81,000	$1.66	143
2020 Q1	338,225,456	$304,731,750	-$203,393,161	$1,488,000	$3,000	$0.8956	148
2019 Q4	367,566,762	$2,096,939,940	-$138,288,418	$9,819,000	$124,000	$5.7	199
2019 Q3	374,874,627	$2,336,578,355	-$71,065,823	$1,691,000	$780,000	$6.24	172
2019 Q2	387,127,586	$2,424,196,549	+$53,126,717	$3,981,000	$0	$6.27	167
2019 Q1	378,402,705	$2,356,924,305	+$269,065,757	$4,514,000	$427,000	$6.23	163
2018 Q4	340,677,853	$1,386,451,754	+$1,373,607,709	$666,000	$369,000	$4.07	130
2018 Q3	2,855,405	$26,698,000	+$26,698,037			$9.35	1