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HowShorted

How shorted is ENANTA PHARMACEUTICALS INC? ENTA

#833most shorted US stockof 3,805 ranked stocks, more shorted than 78%

8.93%
of shares outstanding reported short ยท settlement date 15 Sep 2026
vs previous report
โˆ’0.05
5 reports (~10 weeks)
+0.05
days to cover
10.72
Aggregate net short position time series for ENANTA PHARMACEUTICALS INC

Markers along the chart's base: โ–ฒ results announced (an 8-K reporting results was filed) โ–ฒ 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 ENANTA 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
10 Aug 20268.90% 31 Jul 20269.20% 14 Aug 2026+0.30
11 May 20267.43% 30 Apr 20267.58% 15 May 2026+0.15
9 Feb 20267.83% 30 Jan 20267.84% 13 Feb 2026+0.01
17 Nov 20259.71% 14 Nov 20258.59% 28 Nov 2025โˆ’1.12
11 Aug 202512.78% 31 Jul 202513.49% 15 Aug 2025+0.71
12 May 202513.86% 30 Apr 202513.35% 15 May 2025โˆ’0.51
10 Feb 202515.87% 31 Jan 202516.75% 14 Feb 2025+0.88
25 Nov 202415.94% 15 Nov 202415.25% 29 Nov 2024โˆ’0.69

Fails to deliver

The SEC's fails-to-deliver figure for ENTA: 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
819
24 Aug 2026
Highest in window
20,886
31 Oct 2025
Days with a balance
31
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for ENANTA 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 21K shares.

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Sector: Healthcare

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20268.93%โˆ’0.05
31 Aug 20268.98%โˆ’0.22
14 Aug 20269.20%+0.30
31 Jul 20268.90%+0.50
15 Jul 20268.40%โˆ’0.48
30 Jun 20268.88%+0.53
15 Jun 20268.35%+0.53
29 May 20267.82%+0.24
15 May 20267.58%+0.15
30 Apr 20267.43%+0.19
15 Apr 20267.24%โˆ’0.11
31 Mar 20267.35%โˆ’0.11
13 Mar 20267.46%โˆ’0.08
27 Feb 20267.54%โˆ’0.30
13 Feb 20267.84%+0.01
30 Jan 20267.83%+0.02
15 Jan 20267.81%+0.59
31 Dec 20257.22%โˆ’0.70
15 Dec 20257.92%โˆ’0.67
28 Nov 20258.59%โˆ’1.12
14 Nov 20259.71%โˆ’3.08
31 Oct 202512.79%โˆ’0.38
15 Oct 202513.17%โˆ’2.50
30 Sep 202515.67%+2.34
15 Sep 202513.33%+0.07
29 Aug 202513.26%โˆ’0.23
15 Aug 202513.49%+0.71
31 Jul 202512.78%+1.26
15 Jul 202511.52%+0.18
30 Jun 202511.34%โˆ’0.35
13 Jun 202511.69%โˆ’1.04
30 May 202512.73%โˆ’0.62
15 May 202513.35%โˆ’0.51
30 Apr 202513.86%+0.72
15 Apr 202513.14%+0.64
31 Mar 202512.50%+0.16
14 Mar 202512.34%+0.16
28 Feb 202512.18%โˆ’4.57
14 Feb 202516.75%+0.88
31 Jan 202515.87%+0.62
15 Jan 202515.25%โˆ’0.54
31 Dec 202415.79%โˆ’0.12
13 Dec 202415.91%+0.66
29 Nov 202415.25%โˆ’0.69
15 Nov 202415.94%โˆ’0.30
31 Oct 202416.24%+0.07
15 Oct 202416.17%+2.08
30 Sep 202414.09%+0.32
13 Sep 202413.77%+0.03
30 Aug 202413.74%โˆ’0.22
15 Aug 202413.96%+0.74
31 Jul 202413.22%โˆ’0.52
15 Jul 202413.74%โˆ’0.48
28 Jun 202414.22%+1.21
14 Jun 202413.01%โˆ’0.02
31 May 202413.03%โˆ’0.19
15 May 202413.22%+0.09
30 Apr 202413.13%+0.16
15 Apr 202412.97%0.00
28 Mar 202412.97%+1.58
15 Mar 202411.39%+1.53
29 Feb 20249.86%โˆ’0.58
15 Feb 202410.44%+1.74
31 Jan 20248.70%+1.13
12 Jan 20247.57%+0.21
29 Dec 20237.36%โˆ’1.18
15 Dec 20238.54%+1.56
30 Nov 20236.98%โˆ’0.17
15 Nov 20237.15%+0.80
31 Oct 20236.35%+0.24
13 Oct 20236.11%+0.45
29 Sep 20235.66%โˆ’4.10
15 Sep 20239.76%+1.77
31 Aug 20237.99%+1.15
15 Aug 20236.84%+0.02
31 Jul 20236.82%+0.36
14 Jul 20236.46%+0.80
30 Jun 20235.66%+1.82
15 Jun 20233.84%+0.09
31 May 20233.75%+0.58
15 May 20233.17%โˆ’0.22
28 Apr 20233.39%โˆ’0.11
14 Apr 20233.50%+0.16
31 Mar 20233.34%โˆ’0.97
15 Mar 20234.31%+0.72
28 Feb 20233.59%โˆ’0.33
15 Feb 20233.92%โˆ’0.16
31 Jan 20234.08%0.00
13 Jan 20234.08%โˆ’0.06
30 Dec 20224.14%โˆ’0.27
15 Dec 20224.41%โˆ’0.58
30 Nov 20224.99%+0.19
15 Nov 20224.80%โˆ’0.24
31 Oct 20225.04%โˆ’1.02
14 Oct 20226.06%โˆ’0.15
30 Sep 20226.21%โˆ’0.33
15 Sep 20226.54%โˆ’0.58
31 Aug 20227.12%โˆ’0.25
15 Aug 20227.37%โˆ’0.72
29 Jul 20228.09%+0.22
15 Jul 20227.87%โˆ’0.16
30 Jun 20228.03%+0.43
15 Jun 20227.60%+0.46
31 May 20227.14%+0.67
13 May 20226.47%+0.65
29 Apr 20225.82%+0.43
14 Apr 20225.39%โˆ’0.37
31 Mar 20225.76%+0.50
15 Mar 20225.26%+0.94
28 Feb 20224.32%+0.52
15 Feb 20223.80%โˆ’0.75
31 Jan 20224.55%+0.98
14 Jan 20223.57%+0.14
31 Dec 20213.43%โˆ’0.09
15 Dec 20213.52%+0.18
30 Nov 20213.34%โˆ’0.01
15 Nov 20213.35%โˆ’1.98
29 Oct 20215.33%โˆ’2.53
15 Oct 20217.86%โˆ’0.83
30 Sep 20218.69%โˆ’0.27
15 Sep 20218.96%โˆ’0.68
31 Aug 20219.64%โˆ’0.92
13 Aug 202110.56%+0.47
30 Jul 202110.09%+0.84
15 Jul 20219.25%+0.64
30 Jun 20218.61%โˆ’0.63
15 Jun 20219.24%โˆ’0.19
28 May 20219.43%โˆ’0.35
14 May 20219.78%โˆ’0.25
30 Apr 202110.03%โˆ’0.56
15 Apr 202110.59%โˆ’0.33
31 Mar 202110.92%+0.17
15 Mar 202110.75%+0.02
26 Feb 202110.73%+0.16
12 Feb 202110.57%โˆ’1.07
29 Jan 202111.64%โˆ’0.19
15 Jan 202111.83%โˆ’0.16
31 Dec 202011.99%+0.61
15 Dec 202011.38%โˆ’0.36
30 Nov 202011.74%โˆ’0.37
13 Nov 202012.11%โˆ’0.25
30 Oct 202012.36%+1.66
15 Oct 202010.70%+0.33
30 Sep 202010.37%โˆ’0.31
15 Sep 202010.68%+0.58
31 Aug 202010.10%+0.36
14 Aug 20209.74%โˆ’0.01
31 Jul 20209.75%+0.27
15 Jul 20209.48%+0.18
30 Jun 20209.30%+0.91
15 Jun 20208.39%+0.37
29 May 20208.02%+0.09
15 May 20207.93%โˆ’0.08
30 Apr 20208.01%โˆ’0.77
15 Apr 20208.78%โˆ’0.26
31 Mar 20209.04%โˆ’0.51
13 Mar 20209.55%โˆ’0.21
28 Feb 20209.76%โˆ’0.90
14 Feb 202010.66%+0.31
31 Jan 202010.35%โˆ’1.35
15 Jan 202011.70%โˆ’0.35
31 Dec 201912.05%โˆ’0.34
13 Dec 201912.39%+0.82
29 Nov 201911.57%โˆ’0.36
15 Nov 201911.93%+0.69
31 Oct 201911.24%+0.17
15 Oct 201911.07%โˆ’0.05
30 Sep 201911.12%+0.32
13 Sep 201910.80%โˆ’0.23
30 Aug 201911.03%โˆ’0.30
15 Aug 201911.33%+1.53
31 Jul 20199.80%+0.45
15 Jul 20199.35%+0.03
28 Jun 20199.32%โˆ’1.66
14 Jun 201910.98%โˆ’0.12
31 May 201911.10%+0.03
15 May 201911.07%+0.09
30 Apr 201910.98%โˆ’0.08
15 Apr 201911.06%+0.40
29 Mar 201910.66%โˆ’2.24
15 Mar 201912.90%โˆ’0.19
28 Feb 201913.09%โˆ’1.59
15 Feb 201914.68%+0.01
31 Jan 201914.67%+0.34
15 Jan 201914.33%+0.12
31 Dec 201814.21%+0.68
14 Dec 201813.53%โˆ’0.32
30 Nov 201813.85%+0.27
15 Nov 201813.58%โˆ’0.26
31 Oct 201813.84%+1.08
15 Oct 201812.76%+1.36
28 Sep 201811.40%+2.44
14 Sep 20188.96%โˆ’0.20
31 Aug 20189.16%+0.87
15 Aug 20188.29%+0.50
31 Jul 20187.79%+0.88
13 Jul 20186.91%+1.25
29 Jun 20185.66%+0.08
15 Jun 20185.58%+0.71
31 May 20184.87%โˆ’0.49
15 May 20185.36%โˆ’0.35
30 Apr 20185.71%โˆ’0.42
13 Apr 20186.13%+0.26
29 Mar 20185.87%+0.10
15 Mar 20185.77%โˆ’0.24
28 Feb 20186.01%+0.22
15 Feb 20185.79%+0.24
31 Jan 20185.55%+0.74
12 Jan 20184.81%+0.56
29 Dec 20174.25%โ€“

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

Frequently asked questions

How shorted is ENANTA PHARMACEUTICALS INC right now?
8.93% of ENANTA PHARMACEUTICALS INC's (ENTA) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 833rd 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 ENTA'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 ENTA's days to cover?
10.72 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.