Kosmos Energy Ltd.
US ˙ NYSE ˙ US5006881065

SecurityKOS / Kosmos Energy Ltd.
InstitutionSquarepoint Ops LLC
Latest Disclosed Ownership150,723 shares
Latest Disclosed Value $ 419,010
Squarepoint Ops LLC ownership in KOS / Kosmos Energy Ltd.

On May 15, 2026 - Squarepoint Ops LLC filed a 13F-HR form disclosing ownership of 150,723 shares of Kosmos Energy Ltd. (US:KOS) valued at $419,010 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 629,342 shares of Kosmos Energy Ltd.. This represents a change in shares of -76.05% during the quarter. The current value of the position is $450,662 USD.

Squarepoint Ops LLC has a history of taking positions in derivatives of the underlying security (KOS) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

KOS / Kosmos Energy Ltd. Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F KOSMOS ENERGY COM 500688106 150,723 -478,619 -76.05 419 -26.62 0.0005
2026-02-13 2025-12-31 13F KOSMOS ENERGY COM 500688106 629,342 236,623 60.25 571 -12.29 0.0006
2025-11-14 2025-09-30 13F KOSMOS ENERGY COM 500688106 392,719 -2,828,292 -87.81 652 -88.25 0.0007
2025-08-27 2025-06-30 13F/A-1 KOSMOS ENERGY COM 500688106 3,221,011 2,477,102 332.98 5,540 226.65 0.0058
2025-08-14 2025-06-30 13F KOSMOS ENERGY COM 500688106 3,221,011 2,477,102 5,540 0.0058
2025-08-27 2025-03-31 13F/A-1 KOSMOS ENERGY COM 500688106 743,909 -354,973 -32.30 1,696 -54.87 0.0021
2025-05-15 2025-03-31 13F KOSMOS ENERGY COM 500688106 743,909 -354,973 1,696 0.0021
2025-02-14 2024-12-31 13F KOSMOS ENERGY COM 500688106 1,098,882 -357,514 -24.55 3,758 -35.97 0.0037
2024-11-14 2024-09-30 13F KOSMOS ENERGY COM 500688106 1,456,396 803,712 123.14 5,869 62.35 0.0092
2024-08-14 2024-06-30 13F KOSMOS ENERGY COM 500688106 652,684 -68,236 -9.47 3,616 -15.85 0.0060
2024-05-15 2024-03-31 13F KOSMOS ENERGY COM 500688106 720,920 -231,897 -24.34 4,297 -32.80 0.0074
2024-02-14 2023-12-31 13F KOSMOS ENERGY COM 500688106 952,817 952,817 6,393 0.0121
2023-11-14 2023-09-30 13F KOSMOS ENERGY COM 500688106 0 -332,306 -100.00 0 -100.00
2023-08-14 2023-06-30 13F KOSMOS ENERGY COM 500688106 332,306 332,306 1,991 0.0061
2023-05-15 2023-03-31 13F KOSMOS ENERGY COM 500688106 0 -571,685 -100.00 0 -100.00
2023-02-14 2022-12-31 13F KOSMOS ENERGY COM 500688106 571,685 215,545 60.52 3,636 97.45 0.0144
2022-11-14 2022-09-30 13F KOSMOS ENERGY COM 500688106 356,140 -276,245 -43.68 1,841 -52.96 0.0093
2022-08-15 2022-06-30 13F KOSMOS ENERGY COM 500688106 632,385 339,913 116.22 3,914 86.12 0.0218
2022-05-16 2022-03-31 13F KOSMOS ENERGY COM 500688106 292,472 292,472 2,103 0.0090
2022-02-14 2021-12-31 13F KOSMOS ENERGY COM 500688106 0 -24,927 -100.00 0 -100.00
2021-11-15 2021-09-30 13F KOSMOS ENERGY COM 500688106 24,927 -38,023 -60.40 74 -66.06 0.0002
2021-08-16 2021-06-30 13F KOSMOS ENERGY COM 500688106 62,950 3,090 5.16 218 18.48 0.0008
2021-05-17 2021-03-31 13F KOSMOS ENERGY COM 500688106 59,860 59,860 184 0.0011
2020-11-16 2020-09-30 13F KOSMOS ENERGY COM 500688106 0 -32,569 -100.00 0 -100.00
2020-08-14 2020-06-30 13F KOSMOS ENERGY COM 500688106 32,569 -72,693 -69.06 54 -42.55 0.0009
2020-05-15 2020-03-31 13F KOSMOS ENERGY COM 500688106 105,262 -1,639,295 -93.97 94 -99.05 0.0024
2020-02-14 2019-12-31 13F KOSMOS ENERGY COM 500688106 1,744,557 1,351,408 343.74 9,944 305.38 0.0591
2019-11-14 2019-09-30 13F KOSMOS ENERGY COM 500688106 393,149 -93,774 -19.26 2,453 -19.65 0.0219
2019-08-14 2019-06-30 13F KOSMOS ENERGY COM 500688106 486,923 289,403 146.52 3,053 148.01 0.0298
2019-05-15 2019-03-31 13F KOSMOS ENERGY COM 500688106 197,520 197,520 1,231 0.0130
2019-02-14 2018-12-31 13F KOSMOS ENERGY SHS G5315B107 0 -70,408 -100.00 0 -100.00
2018-11-14 2018-09-30 13F KOSMOS ENERGY SHS G5315B107 70,408 -87,320 -55.36 658 -49.54 0.0079
2018-08-14 2018-06-30 13F KOSMOS ENERGY SHS G5315B107 157,728 84,013 113.97 1,304 181.03 0.0173
2018-05-15 2018-03-31 13F KOSMOS ENERGY SHS G5315B107 73,715 -131,026 -64.00 464 -66.90 0.0074
2018-02-14 2017-12-31 13F KOSMOS ENERGY SHS G5315B107 204,741 157,735 335.56 1,402 274.87 0.0244
2017-11-14 2017-09-30 13F KOSMOS ENERGY SHS G5315B107 47,006 47,006 374 0.0072
2017-05-15 2017-03-31 13F KOSMOS ENERGY SHS G5315B107 0 -131,010 -100.00 0 -100.00
2017-02-14 2016-12-31 13F KOSMOS ENERGY SHS G5315B107 131,010 114,777 707.06 918 782.69 0.0376
2016-11-14 2016-09-30 13F KOSMOS ENERGY SHS G5315B107 16,233 -19,767 -54.91 104 -46.94 0.0069
2016-08-15 2016-06-30 13F KOSMOS ENERGY SHS G5315B107 36,000 36,000 0.00 196 0.0122
2016-05-16 2016-03-31 13F KOSMOS ENERGY SHS G5315B107 0 -14,200 -100.00 0 -100.00
2016-02-16 2015-12-31 13F KOSMOS ENERGY SHS G5315B107 14,200 14,200 74 0.0081
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2025-08-27 2025-03-31 13F/A KOSMOS ENERGY COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2025-05-15 2025-03-31 13F KOSMOS ENERGY COM Call 0 0 n/a n/a n/a
2025-02-14 2024-12-31 13F KOSMOS ENERGY COM Call 40,000 0.00 137 -15.53 n/a n/a n/a
2024-11-14 2024-09-30 13F KOSMOS ENERGY COM Call 40,000 161 n/a n/a n/a
2022-11-14 2022-09-30 13F KOSMOS ENERGY COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2022-08-15 2022-06-30 13F KOSMOS ENERGY COM Call 100,000 619 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2025-02-14 2024-12-31 13F KOSMOS ENERGY COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2024-11-14 2024-09-30 13F KOSMOS ENERGY COM Put 40,000 161 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.