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HowShorted

How shorted is Kosmos Energy Ltd.? KOS

#1,755most shorted US stockof 3,805 ranked stocks, more shorted than 53%

4.77%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
+0.62
5 reports (~10 weeks)
+0.24
days to cover
2.44
Aggregate net short position time series for Kosmos Energy Ltd.

Markers along the chart's base: ▲ results announced (an 8-K reporting results was filed) ▲ quarterly or annual report filed. Dates are SEC filing dates; hover a point to see events since the previous settlement.

Days to cover

FINRA's own figure: reported shares short divided by the stock's average daily trading volume, published alongside each settlement. It expresses the short position in days of typical trading rather than as a percentage of the company; the two can move differently.

Aggregate net short position time series for Kosmos Energy Ltd. days to cover

Short interest around results

For each results announcement (an 8-K reporting results, by its SEC filing date), the FINRA settlement before it and the first one after. Settlements fall twice a month, so the two figures can sit up to a month apart and much else changes in between: this shows what was reported, not why.

Reported short interest before and after each results announcement
Results filedSettlement beforeSettlement afterChange
3 Aug 20264.49% 31 Jul 20264.25% 14 Aug 2026−0.24
5 May 20265.27% 30 Apr 20264.72% 15 May 2026−0.55
3 Nov 202512.04% 31 Oct 202512.14% 14 Nov 2025+0.10
4 Aug 20258.80% 31 Jul 202511.46% 15 Aug 2025+2.66
6 May 20259.74% 30 Apr 20259.24% 15 May 2025−0.50
4 Nov 20249.29% 31 Oct 20248.21% 15 Nov 2024−1.08
5 Aug 20246.65% 31 Jul 20248.20% 15 Aug 2024+1.55
7 May 20248.38% 30 Apr 20246.83% 15 May 2024−1.55

Fails to deliver

The SEC's fails-to-deliver figure for KOS: the aggregate net balance of shares that failed to be delivered at each settlement date, published by the SEC twice a month and shown here verbatim for the trailing window. A balance is not a daily flow, and a fail has many ordinary causes; the SEC says it cannot guarantee the accuracy of the data. See what fails to deliver are and the largest balances today.

Latest balance
3,089
14 Sep 2026
Highest in window
1,887,462
12 Jan 2026
Days with a balance
112
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Kosmos Energy Ltd. fails to deliver

Source: U.S. Securities and Exchange Commission, fails-to-deliver data (public domain). Only settlement days with a positive balance appear; the largest balance in the window was 1.9M shares.

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Sector: Energy

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20264.77%+0.62
31 Aug 20264.15%−0.10
14 Aug 20264.25%−0.24
31 Jul 20264.49%−0.55
15 Jul 20265.04%+0.51
30 Jun 20264.53%−0.78
15 Jun 20265.31%+0.13
29 May 20265.18%+0.46
15 May 20264.72%−0.55
30 Apr 20265.27%−1.74
15 Apr 20267.01%+0.40
31 Mar 20266.61%−0.89
13 Mar 20267.50%−2.64
27 Feb 202610.14%−0.04
13 Feb 202610.18%−0.32
30 Jan 202610.50%−1.65
15 Jan 202612.15%−1.75
31 Dec 202513.90%+0.49
15 Dec 202513.41%+0.69
28 Nov 202512.72%+0.58
14 Nov 202512.14%+0.10
31 Oct 202512.04%+0.42
15 Oct 202511.62%−0.30
30 Sep 202511.92%+0.56
15 Sep 202511.36%−0.02
29 Aug 202511.38%−0.08
15 Aug 202511.46%+2.66
31 Jul 20258.80%+0.45
15 Jul 20258.35%−0.73
30 Jun 20259.08%−0.54
13 Jun 20259.62%+0.59
30 May 20259.03%−0.21
15 May 20259.24%−0.50
30 Apr 20259.74%−0.14
15 Apr 20259.88%−0.07
31 Mar 20259.95%+0.01
14 Mar 20259.94%−0.46
28 Feb 202510.40%+0.90
14 Feb 20259.50%+0.66
31 Jan 20258.84%+0.24
15 Jan 20258.60%+0.34
31 Dec 20248.26%−0.31
13 Dec 20248.57%+0.66
29 Nov 20247.91%−0.30
15 Nov 20248.21%−1.08
31 Oct 20249.29%−0.34
15 Oct 20249.63%−0.22
30 Sep 20249.85%+0.57
13 Sep 20249.28%+0.30
30 Aug 20248.98%+0.78
15 Aug 20248.20%+1.55
31 Jul 20246.65%−0.04
15 Jul 20246.69%−0.11
28 Jun 20246.80%+0.23
14 Jun 20246.57%−0.29
31 May 20246.86%+0.03
15 May 20246.83%−1.55
30 Apr 20248.38%−0.19
15 Apr 20248.57%+0.18
28 Mar 20248.39%+0.67
15 Mar 20247.72%+2.11
29 Feb 20245.61%−0.01
15 Feb 20245.62%+0.41
31 Jan 20245.21%−0.21
12 Jan 20245.42%+0.59
29 Dec 20234.83%−0.01
15 Dec 20234.84%+0.45
30 Nov 20234.39%−0.47
15 Nov 20234.86%+0.32
31 Oct 20234.54%−0.42
13 Oct 20234.96%−0.08
29 Sep 20235.04%−0.12
15 Sep 20235.16%+0.03
31 Aug 20235.13%−0.34
15 Aug 20235.47%−0.07
31 Jul 20235.54%−0.45
14 Jul 20235.99%+0.39
30 Jun 20235.60%+0.52
15 Jun 20235.08%−0.02
31 May 20235.10%+0.19
15 May 20234.91%+0.48
28 Apr 20234.43%−0.45
14 Apr 20234.88%−0.12
31 Mar 20235.00%−1.09
15 Mar 20236.09%+0.90
28 Feb 20235.19%+0.32
15 Feb 20234.87%−0.14
31 Jan 20235.01%+0.34
13 Jan 20234.67%+0.13
30 Dec 20224.54%−0.39
15 Dec 20224.93%+0.19
30 Nov 20224.74%−0.40
15 Nov 20225.14%−0.23
31 Oct 20225.37%−0.79
14 Oct 20226.16%−0.58
30 Sep 20226.74%+0.84
15 Sep 20225.90%+0.79
31 Aug 20225.11%−0.61
15 Aug 20225.72%+0.15
29 Jul 20225.57%+0.39
15 Jul 20225.18%−0.23
30 Jun 20225.41%−0.08
15 Jun 20225.49%+0.35
31 May 20225.14%−0.29
13 May 20225.43%−0.12
29 Apr 20225.55%+0.89
14 Apr 20224.66%+0.26
31 Mar 20224.40%−0.65
15 Mar 20225.05%−0.41
28 Feb 20225.46%+0.04
15 Feb 20225.42%+0.04
31 Jan 20225.38%+0.23
14 Jan 20225.15%−0.20
31 Dec 20215.35%+0.53
15 Dec 20214.82%+0.21
30 Nov 20214.61%−0.22
15 Nov 20214.83%−0.78
29 Oct 20215.61%+0.48
15 Oct 20215.13%−0.10
30 Sep 20215.23%+0.36
15 Sep 20214.87%−0.38
31 Aug 20215.25%+0.14
13 Aug 20215.11%+0.20
30 Jul 20214.91%+0.79
15 Jul 20214.12%+0.01
30 Jun 20214.11%−0.32
15 Jun 20214.43%−0.31
28 May 20214.74%−0.08
14 May 20214.82%−0.28
30 Apr 20215.10%+0.32
15 Apr 20214.78%−0.90
31 Mar 20215.68%+0.36
15 Mar 20215.32%+0.22
26 Feb 20215.10%−0.44
12 Feb 20215.54%−0.50
29 Jan 20216.04%+0.04
15 Jan 20216.00%−0.66
31 Dec 20206.66%−0.52
15 Dec 20207.18%+0.62
30 Nov 20206.56%−0.01
13 Nov 20206.57%−0.48
30 Oct 20207.05%−0.13
15 Oct 20207.18%−0.26
30 Sep 20207.44%+0.53
15 Sep 20206.91%+0.17
31 Aug 20206.74%+0.59
14 Aug 20206.15%−1.06
31 Jul 20207.21%−1.27
15 Jul 20208.48%−1.09
30 Jun 20209.57%+2.83
15 Jun 20206.74%+0.54
29 May 20206.20%−0.23
15 May 20206.43%+1.75
30 Apr 20204.68%−0.54
15 Apr 20205.22%+0.92
31 Mar 20204.30%−2.01
13 Mar 20206.31%+2.74
28 Feb 20203.57%−0.22
14 Feb 20203.79%−0.01
31 Jan 20203.80%−0.50
15 Jan 20204.30%−1.14
31 Dec 20195.44%+1.06
13 Dec 20194.38%−0.61
29 Nov 20194.99%−0.94
15 Nov 20195.93%+0.35
31 Oct 20195.58%+0.10
15 Oct 20195.48%+0.59
30 Sep 20194.89%−0.06
13 Sep 20194.95%−0.53
30 Aug 20195.48%+0.30
15 Aug 20195.18%−0.15
31 Jul 20195.33%−0.55
15 Jul 20195.88%+1.01
28 Jun 20194.87%−0.48
14 Jun 20195.35%+0.16
31 May 20195.19%+0.22
15 May 20194.97%+0.29
30 Apr 20194.68%−0.71
15 Apr 20195.39%−0.02
29 Mar 20195.41%−0.68
15 Mar 20196.09%−0.83
28 Feb 20196.92%−0.32
15 Feb 20197.24%−0.07
31 Jan 20197.31%−0.21
15 Jan 20197.52%−2.95
31 Dec 201810.47%+3.07
14 Dec 20187.40%+1.76
30 Nov 20185.64%+1.01
15 Nov 20184.63%+0.74
31 Oct 20183.89%−0.06
15 Oct 20183.95%−0.04
28 Sep 20183.99%−0.35
14 Sep 20184.34%+0.18
31 Aug 20184.16%−0.20
15 Aug 20184.36%+0.38
31 Jul 20183.98%−0.23
13 Jul 20184.21%−0.27
29 Jun 20184.48%+0.03
15 Jun 20184.45%−0.14
31 May 20184.59%−0.11
15 May 20184.70%−0.53
30 Apr 20185.23%−0.56
13 Apr 20185.79%−0.24
29 Mar 20186.03%+0.19
15 Mar 20185.84%+0.19
28 Feb 20185.65%+0.23
15 Feb 20185.42%−0.44
31 Jan 20185.86%−0.40
12 Jan 20186.26%−0.67
29 Dec 20176.93%–

Newest first. Scroll inside the table for earlier dates, back to 29 Dec 2017.

Frequently asked questions

How shorted is Kosmos Energy Ltd. right now?
4.77% of Kosmos Energy Ltd.'s (KOS) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 1,755th most shorted US stock, out of 3,805 we rank.
What does this number include?
FINRA member firms must report their short positions in all US equities twice a month; FINRA consolidates them per security. We divide that official share count by the company's shares outstanding from its SEC filings. This is the regulatory figure, not a daily estimate.
Why does it only update twice a month?
US short interest is reported for settlement on the 15th and the last business day of each month, and FINRA publishes the consolidated figures about nine business days later. That cadence is set by regulation; no daily official figure exists.
Is this KOS's short float?
No. This is short interest as a percentage of shares outstanding, the count in the company's SEC filings. "Short float" divides the same FINRA short count by the public float, which excludes closely held shares, so it comes out higher for the same company. We publish no float estimates: the float is not a regulatory figure.
What is KOS's days to cover?
2.44 days for settlement date 15 Sep 2026: FINRA's own short interest ratio, the reported shares short divided by average daily trading volume. It is published in the same FINRA file and shown verbatim; we hold no volume data ourselves.
Which funds are short?
US public short interest is aggregate-only: individual short sellers are not named. Only some EU markets publish named positions.