Free Trial
Don't Miss the A.I. Investing RevolutionGet 30 Days Free

Kosmos Energy (KOS) Institutional Ownership

Kosmos Energy logo
$1.60 -0.06 (-3.33%)
Closing price 03:58 PM Eastern
Extended Trading
$1.60 +0.01 (+0.63%)
As of 06:26 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for Kosmos Energy (NYSE:KOS)

Current
Institutional Ownership
Percentage
95.33%
Number of
Institutional Buyers
(last 12 months)
151
Total
Institutional Inflows
(last 12 months)
$322.35M
Number of
Institutional Sellers
(last 12 months)
84
Total
Institutional Outflows
(last 12 months)
$268.02M
Get KOS Insider Trade Alerts

Want to know when executives and insiders are buying or selling Kosmos Energy stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Subscribe Now
By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

KOS Institutional Buying and Selling by Quarter

Kosmos Energy Major Shareholders & Ownership History

Export to Excel
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/9/2025 Voya Investment Management LLC88,707$147K0.0%-31.5%0.019%
10/7/2025 Sanders Morris Harris LLC64,000$106K0.0%+88.2%0.013%
8/27/2025Orion Porfolio Solutions LLC57,782$99K0.0%+18.8%0.012%
8/27/2025Squarepoint Ops LLC3,221,011$5.54M0.0%+333.0%0.673%
8/18/2025Nomura Holdings Inc.1,969,337$3.39M0.0%-9.6%0.412%
8/18/2025Caxton Associates LLP948,065$1.63M0.0%+16.9%0.198%
8/15/2025Tower Research Capital LLC TRC 50,623$87K0.0%+145.4%0.011%
8/15/2025Voleon Capital Management LP36,309$62K0.0%N/A0.008%
8/15/2025Rafferty Asset Management LLC525,836$904K0.0%-35.5%0.110%
8/15/2025Orion Porfolio Solutions LLC27,266$47K0.0%-43.9%0.006%
8/15/2025Lazard Asset Management LLC2,361,439$4.06M0.0%+20.1%0.494%
8/15/2025BNP Paribas Financial Markets153,331$264K0.0%+217.2%0.032%
8/15/2025Brevan Howard Capital Management LP80,576$139K0.0%-18.3%0.017%
8/15/2025Ameriprise Financial Inc.2,617,134$4.50M0.0%+18.0%0.547%
8/14/2025Raymond James Financial Inc.961,985$1.66M0.0%-49.8%0.201%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.259,991$447K0.0%-6.5%0.054%
8/14/2025Squarepoint Ops LLC3,221,011$5.54M0.0%+333.0%0.673%
8/14/2025Equinox Partners Investment Management LLC18,671,480$32.12M18.3%+41.6%3.904%
8/14/2025Cerity Partners LLC35,490$61K0.0%-22.6%0.007%
8/13/2025First Trust Advisors LP3,717,124$6.39M0.0%+31.6%0.777%
8/13/2025Invesco Ltd.9,613,467$16.54M0.0%-11.8%2.010%
8/13/2025Blueshift Asset Management LLC15,781$27K0.0%N/A0.003%
8/13/2025Ballast Asset Management LP1,364,387$2.35M1.2%+38.1%0.285%
8/13/2025Patient Capital Management LLC19,339,717$33.26M1.5%+7.4%4.044%
8/13/2025Quadrature Capital Ltd51,627$89K0.0%N/A0.011%
8/13/2025Grantham Mayo Van Otterloo & Co. LLC36,820,267$63.33M0.2%-7.7%7.699%
8/13/2025Russell Investments Group Ltd.6,464,577$11.12M0.0%+21.5%1.352%
8/12/2025XTX Topco Ltd94,679$163K0.0%-30.7%0.020%
8/12/2025Prudential Financial Inc.62,165$107K0.0%+71.9%0.013%
8/12/2025American Century Companies Inc.33,411,046$57.47M0.0%+14.3%6.986%
8/12/2025Rhumbline Advisers718,954$1.24M0.0%+7.9%0.150%
8/12/2025Franklin Resources Inc.107,183$184K0.0%-14.0%0.022%
8/12/2025Legal & General Group Plc474,242$816K0.0%-14.2%0.099%
8/12/2025Graham Capital Wealth Management LLC719,306$1.24M1.5%-1.3%0.150%
8/11/2025Raiffeisen Bank International AG1,000,000$1.86M0.0%+100.0%0.209%
8/11/2025Universal Beteiligungs und Servicegesellschaft mbH91,227$157K0.0%-6.0%0.019%
8/8/2025Intech Investment Management LLC235,879$406K0.0%-15.9%0.049%
8/8/2025Creative Planning856,957$1.47M0.0%+145.1%0.179%
8/8/2025Geode Capital Management LLC11,263,585$19.38M0.0%+3.9%2.356%
8/8/2025M&G PLC5,767,842$9.92M0.1%-16.1%1.207%
8/7/2025Vise Technologies Inc.53,894$93K0.0%N/A0.011%
8/7/2025Connor Clark & Lunn Investment Management Ltd.24,290$42K0.0%N/A0.005%
8/6/2025First Eagle Investment Management LLC2,049,091$3.52M0.0%+13.9%0.429%
8/5/2025Ellevest Inc.19,569$34K0.0%N/A0.004%
8/1/2025Envestnet Asset Management Inc.462,144$795K0.0%+10.5%0.097%
7/31/2025Ground Swell Capital LLC36,280$62K0.1%N/A0.008%
7/30/2025Ethic Inc.242,701$444K0.0%+18.5%0.051%
7/25/2025CWM LLC27,960$48K0.0%+128.4%0.006%
7/25/2025Vanguard Personalized Indexing Management LLC27,089$47K0.0%+34.1%0.006%
7/24/2025Blair William & Co. IL100,000$172K0.0%+100.0%0.021%
7/23/2025KLP Kapitalforvaltning AS125,400$216K0.0%+46.5%0.026%
7/22/2025Belpointe Asset Management LLC26,000$45K0.0%N/A0.005%
7/22/2025Capricorn Fund Managers Ltd107,000$184K0.1%-31.8%0.022%
7/18/2025Westhampton Capital LLC28,000$48K0.0%+75.0%0.006%
7/17/2025Fort Washington Investment Advisors Inc. OH675,217$1.16M0.0%-34.9%0.141%
7/16/2025Signaturefd LLC46,494$80K0.0%+68.6%0.010%
7/15/2025Verum Partners LLC16,973$29K0.0%N/A0.004%
7/15/2025Public Employees Retirement System of Ohio24,103$41K0.0%+53.2%0.005%
7/15/2025Ballentine Partners LLC112,473$193K0.0%+631.3%0.024%
7/14/2025Foster Group Inc.15,112$26K0.0%N/A0.003%
7/14/2025Park Avenue Securities LLC39,364$68K0.0%+43.4%0.008%
7/10/2025Security National Bank88,682$153K0.0%-39.3%0.019%
7/10/2025Wealth Enhancement Advisory Services LLC23,807$41K0.0%N/A0.005%
7/10/2025Baader Bank Aktiengesellschaft17,721$30K0.0%N/A0.004%
7/9/2025Sapient Capital LLC40,761$70K0.0%+68.7%0.009%
7/9/2025Harbor Capital Advisors Inc.932,327$1.60M0.1%-29.3%0.195%
6/18/2025 Voya Investment Management LLC128,196$292K0.0%-9.2%0.027%
5/29/2025Rhumbline Advisers666,204$1.52M0.0%+14.7%0.139%
5/28/2025Strs Ohio52,800$120K0.0%N/A0.011%
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC2,541,006$5.79M0.0%+21.1%0.532%
5/16/2025Caxton Associates LLP810,886$1.85M0.1%N/A0.170%
5/16/2025Goldman Sachs Group Inc.4,280,213$9.76M0.0%-11.7%0.895%
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.278,082$634K0.0%+4.5%0.058%
5/16/2025Corigliano Investment Advisers LLC3,090,869$7.05M3.1%N/A0.647%
5/16/2025AQR Capital Management LLC387,739$884K0.0%+56.7%0.081%
5/15/2025Nantahala Capital Management LLC1,716,593$3.91M0.2%N/A0.359%
5/15/2025Nomura Holdings Inc.2,177,685$4.97M0.0%-7.5%0.456%
5/15/2025Vident Advisory LLC13,155$30K0.0%N/A0.003%
5/15/2025Huber Capital Management LLC231,900$529K0.1%+7.9%0.049%
5/14/2025Rafferty Asset Management LLC815,335$1.86M0.0%-6.8%0.171%
5/14/2025MetLife Investment Management LLC271,790$620K0.0%+7.0%0.057%
5/14/2025Synovus Financial Corp17,297$39K0.0%-85.7%0.004%
5/14/2025Hotchkis & Wiley Capital Management LLC25,527,101$58.20M0.2%+9.0%5.340%
5/13/2025Northern Trust Corp4,367,504$9.96M0.0%-3.9%0.914%
5/13/2025Raymond James Financial Inc.1,917,488$4.37M0.0%+220.1%0.401%
5/13/2025American Century Companies Inc.29,235,509$66.66M0.0%-1.1%6.116%
5/13/2025Ethic Inc.204,871$461K0.0%+54.8%0.043%
5/13/2025Caitong International Asset Management Co. Ltd32,475$74K0.1%+1,646.9%0.007%
5/13/2025Russell Investments Group Ltd.5,319,520$12.13M0.0%+26.8%1.113%
5/12/2025Nuveen LLC1,827,624$4.17M0.0%N/A0.382%
5/12/2025Virtu Financial LLC101,706$232K0.0%N/A0.021%
5/12/2025Invesco Ltd.10,898,600$24.85M0.0%+40.2%2.280%
5/12/2025Swiss National Bank914,200$2.08M0.0%-1.5%0.191%
5/9/2025Charles Schwab Investment Management Inc.7,784,911$17.75M0.0%+11.7%1.629%
5/9/2025Vanguard Group Inc.14,099,989$32.15M0.0%-5.4%2.950%
5/9/2025Blair William & Co. IL50,000$114K0.0%N/A0.010%
5/9/2025J. Safra Sarasin Holding AG179,482$409K0.0%-17.2%0.038%
5/9/2025PNC Financial Services Group Inc.28,707$65K0.0%-36.8%0.006%
5/8/2025Moors & Cabot Inc.217,450$496K0.0%+3.6%0.045%
5/8/2025Jefferies Financial Group Inc.1,644,133$3.75M0.0%N/A0.344%
(Data available from 1/1/2016 forward)

KOS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of KOS shares?

During the previous two years, 256 institutional investors and hedge funds held shares of Kosmos Energy. The most heavily invested institutionals were FMR LLC ($125.91M), State Street Corp ($75.05M), Maple Rock Capital Partners Inc. ($73.38M), William Blair Investment Management LLC ($64.10M), Grantham Mayo Van Otterloo & Co. LLC ($63.33M), Hotchkis & Wiley Capital Management LLC ($58.20M), and American Century Companies Inc. ($57.47M).Learn more on Kosmos Energy's institutional investors.

What percentage of Kosmos Energy's stock is owned by institutional investors?

95.33% of Kosmos Energy's stock is owned by institutional investors. Learn more on KOS's institutional investor holdings.

Which institutional investors have been buying Kosmos Energy's stock?

Of the 217 institutional investors that purchased Kosmos Energy's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Equinox Partners Investment Management LLC ($11.68M), American Century Companies Inc. ($11.13M), Encompass Capital Advisors LLC ($10.45M), Patient Capital Management LLC ($10.09M), Vaughan Nelson Investment Management L.P. ($9.78M), Grantham Mayo Van Otterloo & Co. LLC ($8.60M), and William Blair Investment Management LLC ($8.30M).

How much institutional buying is happening at Kosmos Energy?

Institutional investors have bought a total of 109,255,855 shares in the last 24 months. This purchase volume represents approximately $322.35M in transactions.

Which of Kosmos Energy's major shareholders have been selling company stock?

Of the 84 institutional investors that sold Kosmos Energy's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Vaughan Nelson Investment Management L.P. ($24.24M), Price T Rowe Associates Inc. MD ($13.51M), FMR LLC ($7.65M), Capital International Investors ($5.30M), Boston Partners ($4.36M), Grantham Mayo Van Otterloo & Co. LLC ($3.07M), and Bank of America Corp DE ($3.01M).

How much institutional selling is happening at Kosmos Energy?

Institutional investors have sold a total of 86,500,352 shares in the last 24 months. This volume of shares sold represents approximately $268.02M in transactions.


Related Companies

This page (NYSE:KOS) was last updated on 10/14/2025 by MarketBeat.com Staff
From Our Partners
URGENT: The Market's 3 Red Flags Are Flashing
Here’s the uncomfortable truth: The smartest investors in the world are already preparing for a crash befor...
StockEarnings | Sponsoredtc pixel
Claim Your Share of $5.39 BILLION in AI Equity Checks
The U.S. government just took advantage of Public Law 81-774 to crack down on AI companies... In turn, enfo...
Angel Publishing | Sponsoredtc pixel
October 16 Changes the Microchip Game — and Investing
While everyone's chasing the same AI plays, George Gilder is focused on something completely different. He ...
Banyan Hill Publishing | Sponsoredtc pixel
Alert: Prepare for Trump's Dollar Overhaul
President Trump just signed a game-changing law… That could soon upgrade the U.S. dollar in your checking a...
Brownstone Research | Sponsoredtc pixel
What the hell is going on, America?
America’s $37.5 trillion debt spiral, soaring deficits, and repeated credit downgrades are exactly what Porter...
Porter & Company | Sponsoredtc pixel
“Fed Proof” Your Bank Account with THESE 4 Simple Steps
Starting as soon as a few months from now, the United States government will make a sweeping change to bank ac...
Weiss Ratings | Sponsoredtc pixel
AI's Next Magnificent Seven
The original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. Now, the man who called Nvi...
The Oxford Club | Sponsoredtc pixel
3..2..1.. AI 2.0 ignition (don’t sleep on this)
I just put together an urgent new presentation that you need to see right away. In short: I believe we are...
Timothy Sykes | Sponsoredtc pixel