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HowShorted

How shorted is Lexicon Pharmaceuticals, Inc.? LXRX

#1,269most shorted US stockof 3,805 ranked stocks, more shorted than 66%

6.47%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
−0.16
5 reports (~10 weeks)
−0.80
days to cover
13.40
Aggregate net short position time series for Lexicon Pharmaceuticals, Inc.

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 Lexicon Pharmaceuticals, Inc. 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
6 Aug 20267.75% 31 Jul 20267.36% 14 Aug 2026−0.39
7 May 20265.63% 30 Apr 20266.17% 15 May 2026+0.54
5 Mar 20266.37% 27 Feb 20265.36% 13 Mar 2026−1.01
29 Jan 20266.92% 15 Jan 20266.76% 30 Jan 2026−0.16
6 Nov 20257.62% 31 Oct 20256.78% 14 Nov 2025−0.84
6 Aug 20257.48% 31 Jul 20257.68% 15 Aug 2025+0.20
13 May 202510.31% 30 Apr 202511.90% 15 May 2025+1.59
6 Mar 202513.13% 28 Feb 202510.86% 14 Mar 2025−2.27

Fails to deliver

The SEC's fails-to-deliver figure for LXRX: 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.

Last balance on file
21,722
8 Sep 2026
Highest in window
292,378
24 Dec 2025
Days with a balance
59
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Lexicon Pharmaceuticals, Inc. 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 292K shares.

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Sector: Healthcare

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20266.47%−0.16
31 Aug 20266.63%−0.73
14 Aug 20267.36%−0.39
31 Jul 20267.75%+0.02
15 Jul 20267.73%+0.46
30 Jun 20267.27%+1.27
15 Jun 20266.00%−0.19
29 May 20266.19%+0.02
15 May 20266.17%+0.54
30 Apr 20265.63%+0.04
15 Apr 20265.59%+0.18
31 Mar 20265.41%+0.05
13 Mar 20265.36%−1.01
27 Feb 20266.37%−0.38
13 Feb 20266.75%−0.01
30 Jan 20266.76%−0.16
15 Jan 20266.92%+0.41
31 Dec 20256.51%+0.09
15 Dec 20256.42%−0.25
28 Nov 20256.67%−0.11
14 Nov 20256.78%−0.84
31 Oct 20257.62%+0.24
15 Oct 20257.38%−0.13
30 Sep 20257.51%−0.30
15 Sep 20257.81%−0.13
29 Aug 20257.94%+0.26
15 Aug 20257.68%+0.20
31 Jul 20257.48%−0.60
15 Jul 20258.08%−1.11
30 Jun 20259.19%−1.20
13 Jun 202510.39%−0.35
30 May 202510.74%−1.16
15 May 202511.90%+1.59
30 Apr 202510.31%−1.12
15 Apr 202511.43%−0.71
31 Mar 202512.14%+1.28
14 Mar 202510.86%−2.27
28 Feb 202513.13%+0.75
14 Feb 202512.38%+0.48
31 Jan 202511.90%+1.08
15 Jan 202510.82%+1.55
31 Dec 20249.27%+0.62
13 Dec 20248.65%−0.07
29 Nov 20248.72%+0.04
15 Nov 20248.68%+0.75
31 Oct 20247.93%+0.28
15 Oct 20247.65%+0.19
30 Sep 20247.46%+0.09
13 Sep 20247.37%+0.35
30 Aug 20247.02%+0.23
15 Aug 20246.79%+0.61
31 Jul 20246.18%−2.30
15 Jul 20248.48%+0.28
28 Jun 20248.20%−0.56
14 Jun 20248.76%−1.45
31 May 202410.21%+0.76
15 May 20249.45%−0.07
30 Apr 20249.52%+1.35
15 Apr 20248.17%−0.73
28 Mar 20248.90%+0.18
15 Mar 20248.72%+0.12
29 Feb 20248.60%−0.96
15 Feb 20249.56%+0.16
31 Jan 20249.40%−0.92
12 Jan 202410.32%+0.84
29 Dec 20239.48%−0.03
15 Dec 20239.51%−0.04
30 Nov 20239.55%+0.42
15 Nov 20239.13%+0.16
31 Oct 20238.97%+1.01
13 Oct 20237.96%−0.30
29 Sep 20238.26%+0.54
15 Sep 20237.72%+0.45
31 Aug 20237.27%+0.11
15 Aug 20237.16%−2.35
31 Jul 20239.51%+1.18
14 Jul 20238.33%+0.67
30 Jun 20237.66%+2.11
15 Jun 20235.55%−0.15
31 May 20235.70%+2.28
15 May 20233.42%+0.81
28 Apr 20232.61%+0.38
14 Apr 20232.23%+0.08
31 Mar 20232.15%+0.05
15 Mar 20232.10%+0.09
28 Feb 20232.01%−0.17
15 Feb 20232.18%+0.07
31 Jan 20232.11%+0.05
13 Jan 20232.06%+0.01
30 Dec 20222.05%+0.06
15 Dec 20221.99%0.00
30 Nov 20221.99%−0.04
15 Nov 20222.03%−0.29
31 Oct 20222.32%−0.11
14 Oct 20222.43%−0.01
30 Sep 20222.44%+0.25
15 Sep 20222.19%+0.16
31 Aug 20222.03%+0.04
15 Aug 20221.99%−3.47
29 Jul 20225.46%−0.05
15 Jul 20225.51%+0.34
30 Jun 20225.17%+1.33
15 Jun 20223.84%+0.20
31 May 20223.64%+0.05
13 May 20223.59%+0.02
29 Apr 20223.57%+0.37
14 Apr 20223.20%+0.08
31 Mar 20223.12%−0.06
15 Mar 20223.18%−0.07
28 Feb 20223.25%+0.24
15 Feb 20223.01%+0.46
31 Jan 20222.55%+0.13
14 Jan 20222.42%+0.03
31 Dec 20212.39%+0.23
15 Dec 20212.16%−0.25
30 Nov 20212.41%−0.02
15 Nov 20212.43%+0.12
29 Oct 20212.31%−0.05
15 Oct 20212.36%−0.07
30 Sep 20212.43%−0.11
15 Sep 20212.54%−0.32
31 Aug 20212.86%+0.41
13 Aug 20212.45%−0.24
30 Jul 20212.69%−0.09
15 Jul 20212.78%−0.25
30 Jun 20213.03%+0.60
15 Jun 20212.43%−0.09
28 May 20212.52%−0.25
14 May 20212.77%−0.84
30 Apr 20213.61%−0.20
15 Apr 20213.81%+0.63
31 Mar 20213.18%−1.00
15 Mar 20214.18%+1.13
26 Feb 20213.05%−0.77
12 Feb 20213.82%−0.74
29 Jan 20214.56%−5.13
15 Jan 20219.69%−0.52
31 Dec 202010.21%−0.21
15 Dec 202010.42%+2.34
30 Nov 20208.08%−0.13
13 Nov 20208.21%−0.04
30 Oct 20208.25%−0.52
15 Oct 20208.77%−0.69
30 Sep 20209.46%−1.58
15 Sep 202011.04%−1.65
31 Aug 202012.69%−1.32
14 Aug 202014.01%−1.36
31 Jul 202015.37%+4.74
15 Jul 202010.63%+0.91
30 Jun 20209.72%−0.49
15 Jun 202010.21%+0.81
29 May 20209.40%−0.34
15 May 20209.74%−0.07
30 Apr 20209.81%−0.09
15 Apr 20209.90%−0.62
31 Mar 202010.52%−3.59
13 Mar 202014.11%−1.49
28 Feb 202015.60%+0.43
14 Feb 202015.17%+0.46
31 Jan 202014.71%+1.04
15 Jan 202013.67%+0.90
31 Dec 201912.77%+1.92
13 Dec 201910.85%−0.27
29 Nov 201911.12%−1.06
15 Nov 201912.18%+0.35
31 Oct 201911.83%+1.37
15 Oct 201910.46%+1.36
30 Sep 20199.10%+0.78
13 Sep 20198.32%+0.77
30 Aug 20197.55%+0.26
15 Aug 20197.29%+0.07
31 Jul 20197.22%−1.52
15 Jul 20198.74%+0.13
28 Jun 20198.61%+0.83
14 Jun 20197.78%−0.28
31 May 20198.06%−2.08
15 May 201910.14%+0.17
30 Apr 20199.97%+0.61
15 Apr 20199.36%−0.05
29 Mar 20199.41%+1.35
15 Mar 20198.06%+0.48
28 Feb 20197.58%+0.02
15 Feb 20197.56%+0.07
31 Jan 20197.49%+0.38
15 Jan 20197.11%+0.05
31 Dec 20187.06%−0.76
14 Dec 20187.82%−1.05
30 Nov 20188.87%−0.76
15 Nov 20189.63%−0.01
31 Oct 20189.64%+0.08
15 Oct 20189.56%−0.14
28 Sep 20189.70%+0.51
14 Sep 20189.19%−0.16
31 Aug 20189.35%−1.22
15 Aug 201810.57%−0.32
31 Jul 201810.89%−0.07
13 Jul 201810.96%+0.15
29 Jun 201810.81%+0.02
15 Jun 201810.79%+0.12
31 May 201810.67%−0.86
15 May 201811.53%−0.30
30 Apr 201811.83%+0.35
13 Apr 201811.48%+0.12
29 Mar 201811.36%−0.03
15 Mar 201811.39%+0.48
28 Feb 201810.91%+0.26
15 Feb 201810.65%+0.64
31 Jan 201810.01%+0.05
12 Jan 20189.96%−0.22
29 Dec 201710.18%–

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

Frequently asked questions

How shorted is Lexicon Pharmaceuticals, Inc. right now?
6.47% of Lexicon Pharmaceuticals, Inc.'s (LXRX) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 1,269th 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 LXRX'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 LXRX's days to cover?
13.40 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.