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Kosmos Energy Ltd.

NYSE:KOS
US$2.59Close 7 Oct 2026 · delayed

Past year: ▲ 65%(90.7c – 3.08 USD)

Market cap
A$2.18bn
Shares on issue
595m
In-ground value
A$568m
Risked multiple
0.07×
Story beats
29 since 2013
Last event
22 June 2026

Announcements, explained

Each one in plain English, with the numbers worked through for a shareholder.

6 May 2019quarterly activities report▼ Bad

Kosmos Energy Ltd. reported quarterly revenue of $296.8 million and a net loss of $52.9 million for the period ended 2019-03-31.

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11 Apr 2019substantial holder notice● Neutral

DGE Group Series Holdco, LLC, Series II, DGE Group Series Holdco, LLC, Series III, DGE Group Series Holdco, LLC, DGE II New Holdco, LLC, DGE II New Topco, LLC, FR DGE II Holdings, LLC, First Reserve GP XI, L.P, First Reserve GP XI, Inc, DGE III New Holdco, LLC, FR DGE III Holdings, LLC, First Reserve GP XIII, L.P, First Reserve GP XIII Limited, William E. Macaulay reported a Kosmos Energy Ltd. shareholding of 7,144,524 shares (1.80% of votes) in a periodic institutional filing.

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4 Apr 2019debt financing● NeutralMajor

Kosmos issued $650 million of new 7.125% senior notes due 2026, its largest bond yet, now also guaranteed by the Gulf of Mexico subsidiaries picked up in the Deep Gulf Energy deal.

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14 Mar 2019securities registration● Neutral

Kosmos Energy Ltd. filed an automatic shelf registration, effective immediately as a well-known seasoned issuer.

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25 Feb 2019quarterly activities report● Neutral

Kosmos Energy Ltd. reported a quarterly net income of $185.6 million for the period ended 2018-12-31.

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14 Feb 2019substantial holder notice● Neutral

Capital World Investors ** disclosed a new substantial Kosmos Energy Ltd. shareholding (5.50% of votes).

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14 Feb 2019substantial holder notice● Neutral

New World Fund, Inc reported a Kosmos Energy Ltd. shareholding of 18,860,000 shares (4.70% of votes) in a periodic institutional filing.

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14 Feb 2019substantial holder notice● Neutral

DGE Group Series Holdco, LLC, Series II, DGE Group Series Holdco, LLC, Series III, DGE Group Series Holdco, LLC, DGE II New Holdco, LLC, DGE II New Topco, LLC, FR DGE II Holdings, LLC, First Reserve GP XI, L.P, First Reserve GP XI, Inc, DGE III New Holdco, LLC, FR DGE III Holdings, LLC, First Reserve GP XIII, L.P, First Reserve GP XIII Limited, William E. Macaulay reported a Kosmos Energy Ltd. shareholding of 33,534,682 shares (8.40% of votes) in a periodic institutional filing.

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14 Feb 2019substantial holder notice● Neutral

Blackstone Family GP L.L.C, BCP IV GP L.L.C, Blackstone Holdings III L.P, Blackstone Holdings III GP L.P, Blackstone Holdings III GP Management L.L.C, The Blackstone Group L.P, Blackstone Group Management L.L.C, Stephen A. Schwarzman reported a Kosmos Energy Ltd. shareholding of 48,761,022 shares (12.20% of votes) in a periodic institutional filing.

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14 Feb 2019substantial holder notice● Neutral

Capital Research Global Investors ** reported a Kosmos Energy Ltd. shareholding of 1,076,000 shares (0.20% of votes) in a periodic institutional filing.

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13 Feb 2019substantial holder notice● Neutral

Hotchkis and Wiley Capital Management, LLC reported a Kosmos Energy Ltd. shareholding of 29,069,594 shares (7.29% of votes) in a periodic institutional filing.

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11 Feb 2019substantial holder notice● Neutral

Warburg Pincus Private Equity VIII, L.P, Warburg Pincus International Partners, L.P, WP-WPVIII Investors GP L.P, WP-WPIP Investors GP L.P, WPP GP LLC, Warburg Pincus Partners, L.P, Warburg Pincus Partners GP LLC, Warburg Pincus & Co, Warburg Pincus LLC, Charles R. Kaye, Joseph P. Landy reported a Kosmos Energy Ltd. shareholding of 33,574,222 shares (7.70% of votes) in a periodic institutional filing.

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8 Feb 2019substantial holder notice● Neutral

Vaughan Nelson Investment Management, L.P, Vaughan Nelson Investment Management, Inc disclosed a new substantial Kosmos Energy Ltd. shareholding (5.79% of votes).

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8 Feb 2019substantial holder notice● Neutral

SailingStone Capital Partners LLC, SailingStone Holdings LLC, MacKenzie B. Davis, Kenneth L. Settles Jr reported a Kosmos Energy Ltd. shareholding of 4,019,790 shares (1.01% of votes) in a periodic institutional filing.

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28 Dec 2018security holder rights change● NeutralMajor

Kosmos re-incorporated from Bermuda to Delaware and moved its official headquarters to Dallas, Texas, while keeping its NYSE/LSE listings and "KOS" ticker unchanged -- a structural domicile change, not a merger.

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29 Nov 2018material agreement▲ GoodMajor

Warburg Pincus sold another 17.25 million shares to the public, and Kosmos itself agreed to buy back 35 million shares directly from Warburg at the same offer price -- its largest single reduction yet of sponsor overhang.

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28 Nov 2018securities registration● Neutral

Kosmos Energy Ltd. filed a prospectus supplement covering resales by selling shareholders.

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26 Nov 2018securities registration● Neutral

Kosmos Energy Ltd. filed a free-writing prospectus - marketing material for an offering in progress.

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26 Nov 2018securities registration● Neutral

Kosmos Energy Ltd. filed a prospectus supplement covering resales by selling shareholders.

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5 Nov 2018quarterly activities report▼ Bad

Kosmos Energy Ltd. reported quarterly revenue of $242.8 million and a net loss of $126.1 million for the period ended 2018-09-30.

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5 Nov 2018quarterly activities report▼ Bad

Kosmos Energy Ltd. reported quarterly revenue of $242.8 million and a net loss of $126.1 million for the period ended 2018-09-30.

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10 Oct 2018quarterly activities report▼ Bad

Kosmos Energy Ltd. reported quarterly revenue of $242.8 million and a net loss of $126.1 million for the period ended 2018-09-30.

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24 Sept 2018substantial holder notice● Neutral

DGE Group Series Holdco, LLC, Series II, DGE Group Series Holdco, LLC, Series III, DGE Group Series Holdco, LLC, DGE II New Holdco, LLC, DGE II New Topco, LLC, FR DGE II Holdings, LLC, First Reserve GP XI, L.P, First Reserve GP XI, Inc, DGE III New Holdco, LLC, FR DGE III Holdings, LLC, First Reserve GP XIII, L.P, First Reserve GP XIII Limited, William E. Macaulay disclosed a new substantial Kosmos Energy Ltd. shareholding (8.10% of votes).

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20 Sept 2018asset acquisition disposition▲ GoodMajor

The Deep Gulf Energy acquisition closed for roughly $953 million cash plus about 35 million new Kosmos shares issued to First Reserve, completing Kosmos's entry into the US Gulf of Mexico.

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28 Aug 2018securities registration● Neutral

Kosmos Energy Ltd. filed an automatic shelf registration, effective immediately as a well-known seasoned issuer.

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9 Aug 2018asset acquisition disposition▲ GoodMajor

Kosmos agreed to buy Deep Gulf Energy, a First Reserve-backed deepwater Gulf of Mexico producer, for $1.225 billion ($925 million cash plus $300 million in Kosmos stock) -- a transformational move giving Kosmos its first US Gulf of Mexico production alongside its West Africa portfolio.

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7 Aug 2018material agreement▲ Good

Kosmos extended its $400 million revolving credit facility to May 2022 and lowered its borrowing margin.

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6 Aug 2018quarterly activities report▼ Bad

Kosmos Energy Ltd. reported quarterly revenue of $215.2 million and a net loss of $103.3 million for the period ended 2018-06-30.

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6 Aug 2018quarterly activities report▼ Bad

Kosmos Energy Ltd. reported quarterly revenue of $215.2 million and a net loss of $103.3 million for the period ended 2018-06-30.

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7 May 2018quarterly activities report▼ Bad

Kosmos Energy Ltd. reported quarterly revenue of $127.2 million and a net loss of $50.2 million for the period ended 2018-03-31.

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