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HowShorted

How shorted is Lantheus Holdings, Inc.? LNTH

#1,328most shorted US stockof 3,805 ranked stocks, more shorted than 65%

6.18%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
−0.31
5 reports (~10 weeks)
−3.55
days to cover
4.07
Aggregate net short position time series for Lantheus Holdings, 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 Lantheus Holdings, 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 20269.69% 31 Jul 20267.85% 14 Aug 2026−1.84
7 May 20268.55% 30 Apr 20269.89% 15 May 2026+1.34
26 Feb 20267.33% 13 Feb 20267.57% 27 Feb 2026+0.24
6 Nov 202510.45% 31 Oct 202510.71% 14 Nov 2025+0.26
6 Aug 202512.18% 31 Jul 20259.86% 15 Aug 2025−2.32
7 May 20259.91% 30 Apr 202511.38% 15 May 2025+1.47
26 Feb 202510.51% 14 Feb 20259.12% 28 Feb 2025−1.39
28 Jan 20259.52% 15 Jan 202510.28% 31 Jan 2025+0.76

Fails to deliver

The SEC's fails-to-deliver figure for LNTH: 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
1
24 Aug 2026
Highest in window
80,754
30 Jul 2026
Days with a balance
76
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Lantheus Holdings, 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 81K shares.

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Sector: Healthcare

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20266.18%−0.31
31 Aug 20266.49%−1.36
14 Aug 20267.85%−1.84
31 Jul 20269.69%−0.14
15 Jul 20269.83%+0.10
30 Jun 20269.73%+0.44
15 Jun 20269.29%+0.88
29 May 20268.41%−1.48
15 May 20269.89%+1.34
30 Apr 20268.55%+0.85
15 Apr 20267.70%−0.38
31 Mar 20268.08%−0.24
13 Mar 20268.32%+0.75
27 Feb 20267.57%+0.24
13 Feb 20267.33%−0.05
30 Jan 20267.38%−0.71
15 Jan 20268.09%−0.55
31 Dec 20258.64%−2.15
15 Dec 202510.79%+0.11
28 Nov 202510.68%−0.03
14 Nov 202510.71%+0.26
31 Oct 202510.45%−1.00
15 Oct 202511.45%+0.86
30 Sep 202510.59%−0.36
15 Sep 202510.95%−0.13
29 Aug 202511.08%+1.22
15 Aug 20259.86%−2.32
31 Jul 202512.18%+0.28
15 Jul 202511.90%−0.67
30 Jun 202512.57%−0.63
13 Jun 202513.20%+1.65
30 May 202511.55%+0.17
15 May 202511.38%+1.47
30 Apr 20259.91%+0.14
15 Apr 20259.77%+0.54
31 Mar 20259.23%−0.06
14 Mar 20259.29%+0.17
28 Feb 20259.12%−1.39
14 Feb 202510.51%+0.23
31 Jan 202510.28%+0.76
15 Jan 20259.52%+0.62
31 Dec 20248.90%+2.17
13 Dec 20246.73%0.00
29 Nov 20246.73%+0.32
15 Nov 20246.41%+0.39
31 Oct 20246.02%−0.10
15 Oct 20246.12%+0.19
30 Sep 20245.93%−0.08
13 Sep 20246.01%−0.11
30 Aug 20246.12%+0.73
15 Aug 20245.39%+0.01
31 Jul 20245.38%−1.23
15 Jul 20246.61%+0.30
28 Jun 20246.31%+0.76
14 Jun 20245.55%−0.57
31 May 20246.12%−0.34
15 May 20246.46%−0.67
30 Apr 20247.13%+0.34
15 Apr 20246.79%−0.11
28 Mar 20246.90%−0.66
15 Mar 20247.56%−0.06
29 Feb 20247.62%+0.28
15 Feb 20247.34%+0.20
31 Jan 20247.14%−0.92
12 Jan 20248.06%+0.44
29 Dec 20237.62%+0.25
15 Dec 20237.37%+0.25
30 Nov 20237.12%+0.19
15 Nov 20236.93%−0.14
31 Oct 20237.07%+0.53
13 Oct 20236.54%−0.62
29 Sep 20237.16%−0.17
15 Sep 20237.33%−0.26
31 Aug 20237.59%−0.18
15 Aug 20237.77%+1.14
31 Jul 20236.63%−0.59
14 Jul 20237.22%−0.36
30 Jun 20237.58%+0.77
15 Jun 20236.81%+1.43
31 May 20235.38%+0.41
15 May 20234.97%−0.35
28 Apr 20235.32%+0.27
14 Apr 20235.05%−0.03
31 Mar 20235.08%+0.11
15 Mar 20234.97%−0.43
28 Feb 20235.40%+1.33
15 Feb 20234.07%−0.57
31 Jan 20234.64%−0.37
13 Jan 20235.01%−0.29
30 Dec 20225.30%+0.16
15 Dec 20225.14%+2.45
30 Nov 20222.69%−1.08
15 Nov 20223.77%−0.95
31 Oct 20224.72%−0.70
14 Oct 20225.42%+0.48
30 Sep 20224.94%+0.59
15 Sep 20224.35%+0.23
31 Aug 20224.12%+0.30
15 Aug 20223.82%−0.03
29 Jul 20223.85%+0.13
15 Jul 20223.72%+0.26
30 Jun 20223.46%+0.06
15 Jun 20223.40%−0.06
31 May 20223.46%−0.27
13 May 20223.73%+0.28
29 Apr 20223.45%+0.25
14 Apr 20223.20%−0.17
31 Mar 20223.37%+0.25
15 Mar 20223.12%−0.18
28 Feb 20223.30%+0.54
15 Feb 20222.76%+0.14
31 Jan 20222.62%+0.20
14 Jan 20222.42%+0.01
31 Dec 20212.41%−0.20
15 Dec 20212.61%+0.06
30 Nov 20212.55%−0.14
15 Nov 20212.69%−1.09
29 Oct 20213.78%−0.17
15 Oct 20213.95%−0.11
30 Sep 20214.06%+0.02
15 Sep 20214.04%−0.15
31 Aug 20214.19%−0.65
13 Aug 20214.84%+0.31
30 Jul 20214.53%−0.70
15 Jul 20215.23%−0.42
30 Jun 20215.65%−0.21
15 Jun 20215.86%+1.83
28 May 20214.03%0.00
14 May 20214.03%−0.08
30 Apr 20214.11%−0.06
15 Apr 20214.17%+0.11
31 Mar 20214.06%+0.19
15 Mar 20213.87%+0.28
26 Feb 20213.59%+0.25
12 Feb 20213.34%+0.23
29 Jan 20213.11%−0.06
15 Jan 20213.17%−0.07
31 Dec 20203.24%−0.06
15 Dec 20203.30%−0.12
30 Nov 20203.42%+0.40
13 Nov 20203.02%+0.24
30 Oct 20202.78%−0.28
15 Oct 20203.06%+0.29
30 Sep 20202.77%−0.37
15 Sep 20203.14%+0.01
31 Aug 20203.13%+0.06
14 Aug 20203.07%−0.21
31 Jul 20203.28%−2.46
15 Jul 20205.74%−2.25
30 Jun 20207.99%+1.96
15 Jun 20206.03%+0.57
29 May 20205.46%−0.29
15 May 20205.75%−0.45
30 Apr 20206.20%−0.63
15 Apr 20206.83%+0.05
31 Mar 20206.78%+0.36
13 Mar 20206.42%+2.20
28 Feb 20204.22%+0.44
14 Feb 20203.78%−0.26
31 Jan 20204.04%+0.29
15 Jan 20203.75%+0.18
31 Dec 20193.57%+0.45
13 Dec 20193.12%+0.50
29 Nov 20192.62%−0.23
15 Nov 20192.85%−0.23
31 Oct 20193.08%−0.34
15 Oct 20193.42%−0.19
30 Sep 20193.61%+0.24
13 Sep 20193.37%−0.20
30 Aug 20193.57%+0.05
15 Aug 20193.52%−0.31
31 Jul 20193.83%+0.99
15 Jul 20192.84%+0.39
28 Jun 20192.45%−0.26
14 Jun 20192.71%+0.87
31 May 20191.84%+0.20
15 May 20191.64%−0.03
30 Apr 20191.67%+0.45
15 Apr 20191.22%+0.45
29 Mar 20190.77%−0.18
15 Mar 20190.95%+0.05
28 Feb 20190.90%−0.24
15 Feb 20191.14%+0.11
31 Jan 20191.03%−0.25
15 Jan 20191.28%+0.22
31 Dec 20181.06%−0.55
14 Dec 20181.61%−0.32
30 Nov 20181.93%+0.09
15 Nov 20181.84%−0.26
31 Oct 20182.10%+0.41
15 Oct 20181.69%−0.47
28 Sep 20182.16%−0.03
14 Sep 20182.19%+0.43
31 Aug 20181.76%−0.18
15 Aug 20181.94%+0.06
31 Jul 20181.88%+0.03
13 Jul 20181.85%+0.03
29 Jun 20181.82%+0.56
15 Jun 20181.26%+0.31
31 May 20180.95%−0.79
15 May 20181.74%−0.60
30 Apr 20182.34%+0.73
13 Apr 20181.61%−0.94
29 Mar 20182.55%+0.87
15 Mar 20181.68%+0.65
28 Feb 20181.03%−0.06
15 Feb 20181.09%−0.41
31 Jan 20181.50%+0.08
12 Jan 20181.42%+0.17
29 Dec 20171.25%–

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

Frequently asked questions

How shorted is Lantheus Holdings, Inc. right now?
6.18% of Lantheus Holdings, Inc.'s (LNTH) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 1,328th 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 LNTH'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 LNTH's days to cover?
4.07 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.