Kosmos Energy Ltd: 451 institutional owners and shareholders that have filed 13D/G or 13F forms with the Securities Exchange Commission (SEC)

Institutional Ownership and Shareholders 

 

Kosmos Energy Ltd. (US:KOS) has 451 institutional owners and shareholders that have filed 13D/G or 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 512,557,166 shares. 

Largest shareholders include 

1. BlackRock, Inc., 
2. Grantham, 
3. Mayo, 
4. Van Otterloo & Co. LLC, 
5. American Century Companies Inc, GOFIX - GMO Resources Fund Class III, 
6.  Hotchkis & Wiley Capital Management Llc, 
7. State Street Corp, 
8. Mason Hill Advisors Llc, 
9. Millennium Management Llc, 
10. LMORX - Patient Opportunity Trust Class R, and 
11. Vanguard Group Inc .

Kosmos Energy Ltd. (NYSE:KOS) institutional ownership structure shows current positions in the company by institutions and funds, as well as latest changes in position size. 

• Major shareholders can include individual investors, mutual funds, hedge funds, or institutions. 
• The Schedule 13D indicates that the investor holds (or held) more than 5% of the company and intends (or intended) to actively pursue a change in business strategy. 
• Schedule 13G indicates a passive investment of over 5%.

The share price as of December 19, 2025 is 0.99 / share. 

Previously, on December 23, 2024, the share price was 3.08 / share. 

This represents a decline of 67.74% over that period.