7 institutions reported holding $346,346 of KOSMOS ENERGY LTD (KOS) in SEC 13F filings for 2026-06-30. Largest institutional holders: SANDERS MORRIS HARRIS LLC ($149,810), Assenagon Asset Management S.A. ($137,867), Lexington Hill Partners, LLC ($42,200), GAMMA Investing LLC ($9,436), MassMutual Private Wealth & Trust, FSB ($4,923). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SANDERS MORRIS HARRIS LLC | $149,810 | 71,000 | Hold |
| 2 | Assenagon Asset Management S.A. | $137,867 | 65,340 | New |
| 3 | Lexington Hill Partners, LLC | $42,200 | 20,000 | Hold |
| 4 | GAMMA Investing LLC | $9,436 | 4,472 | Trimmed |
| 5 | MassMutual Private Wealth & Trust, FSB | $4,923 | 2,333 | Added |
| 6 | CoreCap Advisors, LLC | $2,110 | 1,000 | Hold |
| 7 | INSPIRION WEALTH ADVISORS, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30