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Kosmos Energy Ltd.

KOS
Exchange
NYSE
Industry
Crude Petroleum & Natural Gas
SEC CIK
0001509991

In the last 90 days, Kosmos Energy Ltd. insiders filed 0 open-market purchases and 4 sales; 268 institutions reported holding it in 13F filings for Q2 2026, worth $909.1M in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in Kosmos Energy Ltd. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
236
+10 vs. Q2 2025
Shares held
397.6M
−16.6M (−4.0%) vs. Q2 2025
Total value
$662.7M
−$51.5M (−7.2%) vs. Q2 2025
New holders
31
78 more added
Sold out
21
79 more reduced

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting KOS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 236 institutions
Q1 2021: 138 institutionsQ2 2021: 172 institutionsQ3 2021: 161 institutionsQ4 2021: 172 institutionsQ1 2022: 200 institutionsQ2 2022: 232 institutionsQ3 2022: 232 institutionsQ4 2022: 239 institutionsQ1 2023: 234 institutionsQ2 2023: 239 institutionsQ3 2023: 226 institutionsQ4 2023: 246 institutionsQ1 2024: 244 institutionsQ2 2024: 268 institutionsQ3 2024: 270 institutionsQ4 2024: 271 institutionsQ1 2025: 253 institutionsQ2 2025: 227 institutionsQ3 2025: 236 institutionsQ4 2025: 210 institutionsQ1 2026: 263 institutionsQ2 2026: 268 institutions
Value heldQ3 2025: $662.7M
Q1 2021: $1.01BQ2 2021: $1.12BQ3 2021: $943.6MQ4 2021: $1.30BQ1 2022: $2.83BQ2 2022: $2.44BQ3 2022: $2.06BQ4 2022: $2.56BQ1 2023: $3.16BQ2 2023: $2.53BQ3 2023: $3.53BQ4 2023: $2.90BQ1 2024: $2.72BQ2 2024: $2.48BQ3 2024: $1.79BQ4 2024: $1.48BQ1 2025: $991.0MQ2 2025: $714.3MQ3 2025: $662.7MQ4 2025: $310.8MQ1 2026: $1.21BQ2 2026: $909.1M
Institutions holding KOS and their total value by quarter
QuarterHoldersValue
Q2 2026268$909.1M
Q1 2026263$1.21B
Q4 2025210$310.8M
Q3 2025236$662.7M
Q2 2025227$714.3M
Q1 2025253$991.0M
Q4 2024271$1.48B
Q3 2024270$1.79B
Q2 2024268$2.48B
Q1 2024244$2.72B
Q4 2023246$2.90B
Q3 2023226$3.53B
Q2 2023239$2.53B
Q1 2023234$3.16B
Q4 2022239$2.56B
Q3 2022232$2.06B
Q2 2022232$2.44B
Q1 2022200$2.83B
Q4 2021172$1.30B
Q3 2021161$943.6M
Q2 2021172$1.12B
Q1 2021138$1.01B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Kosmos Energy Ltd.; share changes are against Q2 2025.

Institutions holding KOS in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
The PNC Financial Services Group, Inc.45,694$75.9K0.00%+17,121+59.9%Added
CoreCommodity Management, LLC45,821$76.1K0.01%+45,821New
Marshall Wace, LLP45,826$76.1K0.00%+22,291+94.7%Added
Balyasny Asset Management LLC46,623$77.4K0.00%+11,206+31.6%Added
Great West Life Assurance Co46,757$78.0K0.00%00.0%Unchanged
Wellington Management Group LLP47,443$78.8K0.00%+47,443New
Ballentine Partners, LLC49,611$82.4K0.00%−62,862−55.9%Reduced
Vise Technologies, Inc.50,277$83.5K0.00%−3,617−6.7%Reduced
CIBC Bancorp USA Inc.50,581$84.0K0.00%+50,581New
STRS Ohio52,800$87.6K0.00%00.0%Unchanged
Victory Capital Management Inc52,889$87.8K0.00%−1,699−3.1%Reduced
SG Americas Securities, LLC55,305$92.0K0.00%+23,216+72.3%Added
Mariner, LLC56,471$93.7K0.00%−46,594−45.2%Reduced
Ellevest, Inc.58,933$97.8K0.01%+39,364+201.2%Added
Royal Bank of Canada58,922$98.0K0.00%−36,810−38.5%Reduced
Cetera Investment Advisers59,117$98.1K0.00%+23,071+64.0%Added
Quadrant Capital Group LLC59,498$98.8K0.00%+38,689+185.9%Added
Prudential Financial Inc62,165$103.2K0.00%00.0%Unchanged
Teacher Retirement System of Texas62,583$103.9K0.00%−9,955−13.7%Reduced
Sanders Morris Harris LLC64,000$106.2K0.01%+30,000+88.2%Added
Public Employees Retirement Association of Colorado65,370$109.0K0.00%00.0%Unchanged
Pictet Asset Management Holding SA65,850$109.3K0.00%00.0%Unchanged
Coldstream Capital Management Inc65,889$109.4K0.00%+65,889New
Commonwealth Equity Services, LLC66,619$111.0K0.00%+6,250+10.4%Added
Brinker Capital Investments, LLC78,304$130.0K0.00%+20,522+35.5%Added
Zurcher Kantonalbank (Zurich Cantonalbank)79,598$132.1K0.00%00.0%Unchanged
ProShare Advisors LLC81,137$134.7K0.00%−16,165−16.6%Reduced
Voya Investment Management LLC88,707$147.3K0.00%−40,813−31.5%Reduced
SFMG, LLC93,480$155.2K0.01%00.0%Unchanged
Graham Capital Management, L.P.93,725$155.6K0.01%+70,277+299.7%Added
Blair William & Co100,000$166.0K0.00%00.0%Unchanged
Franklin Resources Inc102,401$170.0K0.00%−4,782−4.5%Reduced
Marex Group plc107,200$178.0K0.00%+107,200New
Two Sigma Securities, LLC113,290$188.1K0.03%+113,290New
GTS Securities LLC117,391$194.9K0.01%+62,630+114.4%Added
Universal- Beteiligungs- und Servicegesellschaft mbH120,149$199.4K0.00%+28,922+31.7%Added
KLP Kapitalforvaltning AS125,400$208.2K0.00%00.0%Unchanged
Gotham Asset Management, LLC125,434$208.2K0.00%−165,635−56.9%Reduced
GF Fund Management Co. Ltd.129,658$215.2K0.00%−16,664−11.4%Reduced
State Board of Administration of Florida Retirement System130,370$216.4K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey130,933$217.3K0.00%+30,357+30.2%Added
Quadrature Capital Ltd139,390$230.7K0.00%+87,763+170.0%Added
Arizona State Retirement System141,448$234.8K0.00%+1,977+1.4%Added
Brevan Howard Capital Management LP149,428$248.1K0.00%+68,852+85.4%Added
Adage Capital Partners GP, L.L.C.150,000$249.0K0.00%−150,000−50.0%Reduced
XTX Topco Ltd152,176$252.6K0.01%+57,497+60.7%Added
BNP Paribas Arbitrage, SA153,817$255.3K0.00%+486+0.3%Added
Banco Santander, S.A.161,920$268.8K0.00%+113,812+236.6%Added
New York State Common Retirement Fund171,852$285.3K0.00%00.0%Unchanged
Gallagher Fiduciary Advisors, LLC174,312$289.4K0.01%+174,312New
Mercer Global Advisors Inc176,328$292.7K0.00%+3,101+1.8%Added
Atria Investments LLC181,652$301.5K0.00%+181,652New
AQR Capital Management LLC183,102$303.9K0.00%−70,607−27.8%Reduced
Thrivent Financial for Lutherans202,262$335.0K0.00%−183,362−47.5%Reduced
Janus Henderson Group PLC211,288$349.7K0.00%00.0%Unchanged
Moors & Cabot, Inc.211,450$351.0K0.02%−1,000−0.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.222,852$369.9K0.00%−37,139−14.3%Reduced
Harbor Capital Advisors, Inc.223,139$370.0K0.03%−709,188−76.1%Reduced
Ethic Inc.226,679$376.3K0.01%−16,022−6.6%Reduced
Manufacturers Life Insurance Company, The233,006$386.8K0.00%−523−0.2%Reduced
Intech Investment Management LLC236,987$393.4K0.00%+1,108+0.5%Added
MetLife Investment Management255,718$424.5K0.00%−16,913−6.2%Reduced
Huber Capital Management LLC264,933$439.8K0.07%−76,967−22.5%Reduced
Cloverfields Capital Group, LP271,878$451.3K0.14%−150,000−35.6%Reduced
CWM Advisors, LLC274,307$455.4K0.04%+274,307New
SEI Investments Co281,960$468.1K0.00%+74,666+36.0%Added
Renaissance Technologies LLC300,253$498.4K0.00%+300,253New
JPMorgan Chase & Co315,658$524.0K0.00%−32,313−9.3%Reduced
Stifel Financial Corp327,629$543.9K0.00%+35,539+12.2%Added
Deutsche Bank AG362,439$601.6K0.00%−287,990−44.3%Reduced
Simplex Trading, LLC380,961$632.0K0.01%−217,687−36.4%Reduced
Wolverine Trading, LLC379,551$633.9K0.01%+121,273+47.0%Added
J. Safra Sarasin Holding AG387,556$643.3K0.01%+208,074+115.9%Added
Price T Rowe Associates Inc388,995$646.0K0.00%−27,686−6.6%Reduced
Squarepoint Ops LLC392,719$651.9K0.00%−2,828,292−87.8%Reduced
California State Teachers Retirement System436,390$724.4K0.00%+220.0%Added
Mackenzie Financial Corp438,076$727.2K0.00%−20,500−4.5%Reduced
Legal & General Group Plc474,242$787.2K0.00%00.0%Unchanged
Citigroup Inc502,810$834.7K0.00%−469,811−48.3%Reduced
Alliancebernstein L.P.506,360$840.6K0.00%00.0%Unchanged
IMC-Chicago, LLC542,851$901.1K0.02%+128,665+31.1%Added
Envestnet Asset Management Inc569,832$945.9K0.00%+107,688+23.3%Added
Verition Fund Management LLC586,834$974.1K0.01%+215,263+57.9%Added
Creative Planning643,526$1.07M0.00%−213,431−24.9%Reduced
Graham Capital Wealth Management, LLC654,681$1.09M1.11%−64,625−9.0%Reduced
Caption Management, LLC661,628$1.10M0.06%+215,713+48.4%Added
Fort Washington Investment Advisors Inc675,217$1.12M0.01%00.0%Unchanged
Two Sigma Advisers, LP697,122$1.16M0.00%+358,500+105.9%Added
Rhumbline Advisers708,176$1.18M0.00%−10,778−1.5%Reduced
Rafferty Asset Management, LLC738,806$1.23M0.00%+212,970+40.5%Added
Swiss National Bank926,700$1.54M0.00%+12,500+1.4%Added
Van Eck Associates Corp964,671$1.60M0.00%+582,223+152.2%Added
Raymond James Financial Inc976,677$1.62M0.00%+14,692+1.5%Added
Group One Trading, L.P.977,131$1.62M0.05%+51,403+5.6%Added
Raiffeisen Bank International AG1,000,000$1.67M0.02%00.0%Unchanged
Nuveen, LLC1,358,080$2.25M0.00%+37,066+2.8%Added
Ballast Asset Management, LP1,551,030$2.57M1.17%+186,643+13.7%Added
Nantahala Capital Management, LLC1,716,593$2.85M0.18%00.0%Unchanged
Two Sigma Investments, LP1,725,315$2.86M0.00%+367,079+27.0%Added
Jane Street Group, LLC1,742,695$2.89M0.00%+150,507+9.5%Added