Kosmos Energy Ltd. (KOS)
NYSE: KOS · Crude Petroleum & Natural Gas · Dallas, TX · filing with the SEC since 2011
Grade3.3
◀ Past 3.9● Present 3.6▶ Future 1.7
Who owns Kosmos Energy Ltd.
As filed with the SECHolders of 5% or more
2
Blackrock, Inc. holds 8.1% of Common Stock, as its SCHEDULE 13G/A filed Jul 29, 2026 says.
Directors and officers
11
report now, of 34 people on the record since 2011. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Jul 29, 2026 · Common Stock · 6.7% in Apr 24, 2026
cobas asset management, sgiic, s.a.
SCHEDULE 13G · filed Apr 23, 2025 · Common stock
Hotchkis and Wiley Capital Management, LLC
SCHEDULE 13G/A · filed Aug 13, 2025 · Common Stock $0.01 par value · reported falling below 5%, from 5.34% in May 14, 2025
Grantham, Mayo, Van Otterloo & Co. LLC
SCHEDULE 13G/A · filed May 1, 2026 · Common Stock · reported falling below 5%, from 7.27% in Nov 5, 2025
American Century Investment Management, Inc.
SCHEDULE 13G/A · filed Feb 13, 2026 · Common Stock · reported falling below 5%, from 7% in Aug 14, 2025
Fmr LLC
SCHEDULE 13G/A · filed Dec 6, 2024 · COMMON STOCK · reported falling below 5%
BlackRock Portfolio Management LLC
SCHEDULE 13G/A · filed Jan 21, 2026 · Common Stock · reported falling below 5%, from 6.3% in Jul 15, 2025
Vaughan Nelson Investment Management, L.P.
SCHEDULE 13G/A · filed Apr 17, 2025 · Common Shares · reported falling below 5%, from 5.32% in Jan 30, 2025
What KOS reports owning in othersstakes of 5% or more, and other ties
27 subsidiaries in 3 countries, from the list filed with the 10-K filed Mar 2, 2026.
Insider tradesForm 4
15sales
4purchases
12sales on a scheduled plan
7people selling
$1.1Msold, in dollars
$7.0Mbought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window9 of 48 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Inglis Andrew G | Chairman and CEO | 3 | $400,000 | 3 | 1 | $600,000 |
| Shah Nealesh D. | SVP and CFO | 3 | $200,000 | 3 | 1 | $300,000 |
| Glass Ronald W. | VP & Chief Accounting Officer | 3 | $100,000 | 3 | 0 | $0 |
| Marion Josh R. | SVP and General Counsel | 3 | $100,000 | 3 | 0 | $0 |
| Franklin Roy A. | director | 1 | $100,000 | 0 | 0 | $0 |
| Grant John Douglas Kelso | director | 1 | $100,000 | 0 | 0 | $0 |
| Sterin Steven | director | 1 | $100,000 | 0 | 0 | $0 |
| Ogunlesi Adebayo O. | director | 0 | $0 | 0 | 1 | $6.0M |
| Stice J Michael | director | 0 | $0 | 0 | 1 | $100,000 |