Kosmos Energy Ltd. (KOS)
CRUDE PETROLEUM & NATURAL GAS
Kosmos Energy Ltd. (KOS) is listed on the New York Stock Exchange, where it has traded since May 11, 2011.
- Listed On
- the New York Stock Exchange
- Listed Since
- May 11, 2011
- Employees
- 216
- Market Cap
- $1.6B
About Kosmos Energy Ltd.
Kosmos Energy Ltd is a deepwater exploration and production company focused on meeting the world's growing demand for energy. It has diversified oil and gas production from assets offshore Ghana, Equatorial Guinea, Mauritania, Senegal and the Gulf of America. The Company had operations in four geographic reporting segments: Ghana, Equatorial Guinea, Mauritania/Senegal and the Gulf of America. The majority of revenue is derived from the Ghana segment.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 258 institutions reported holding KOS, with 430.6 million shares worth $908.5 million in aggregate. The largest reported holder was BlackRock, with 56.0 million shares worth $118.2 million. Of the 5 largest holders listed below, all 5 added shares during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| BlackRock | 56,023,521 | $118M | Added 18.04% |
| State Street | 29,453,016 | $62M | Added 4.27% |
| Two Sigma Investments | 25,398,092 | $54M | Added 35.96% |
| D. E. Shaw | 24,538,308 | $52M | Added 20.37% |
| Vanguard | 23,188,592 | $49M | Added 21.46% |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is KOS?
Kosmos Energy Ltd. (KOS) is listed on the New York Stock Exchange, where it has traded since May 11, 2011.
Who are the largest institutional holders of KOS?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of KOS were BlackRock, State Street and Two Sigma Investments.
How many institutions own KOS?
258 institutions reported a position in KOS for the quarter ended June 30, 2026, worth $908.5 million in total.
Did institutions buy or sell KOS last quarter?
Of the 5 largest reported holders, all 5 added shares during the quarter. Every reported holder and its change is on the SentiSense ownership page for KOS.
Every reported institutional holder, plus insider and congressional trades in KOS, on SentiSense.