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HowShorted

How shorted is Arvinas, Inc.? ARVN

#1,050most shorted US stockof 3,805 ranked stocks, more shorted than 72%

7.63%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
+0.42
5 reports (~10 weeks)
+1.01
days to cover
5.59
Aggregate net short position time series for Arvinas, 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 Arvinas, 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
4 Aug 20266.11% 31 Jul 20266.20% 14 Aug 2026+0.09
12 May 20266.88% 30 Apr 20267.81% 15 May 2026+0.93
24 Feb 20266.30% 13 Feb 20266.68% 27 Feb 2026+0.38
5 Nov 202512.09% 31 Oct 202512.68% 14 Nov 2025+0.59
6 Aug 202510.38% 31 Jul 202511.33% 15 Aug 2025+0.95
1 May 202510.14% 30 Apr 202511.28% 15 May 2025+1.14
11 Feb 202515.19% 31 Jan 202516.78% 14 Feb 2025+1.59
30 Oct 202413.58% 15 Oct 202412.81% 31 Oct 2024−0.77

Fails to deliver

The SEC's fails-to-deliver figure for ARVN: 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
688
8 Sep 2026
Highest in window
658,066
22 Dec 2025
Days with a balance
37
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Arvinas, 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 658K shares.

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Sector: Healthcare

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20267.63%+0.42
31 Aug 20267.21%+1.01
14 Aug 20266.20%+0.09
31 Jul 20266.11%−0.06
15 Jul 20266.17%−0.45
30 Jun 20266.62%−0.34
15 Jun 20266.96%−0.33
29 May 20267.29%−0.52
15 May 20267.81%+0.93
30 Apr 20266.88%+0.05
15 Apr 20266.83%−0.19
31 Mar 20267.02%−0.43
13 Mar 20267.45%+0.77
27 Feb 20266.68%+0.38
13 Feb 20266.30%−0.34
30 Jan 20266.64%−1.23
15 Jan 20267.87%+0.30
31 Dec 20257.57%−2.93
15 Dec 202510.50%+0.41
28 Nov 202510.09%−2.59
14 Nov 202512.68%+0.59
31 Oct 202512.09%+1.93
15 Oct 202510.16%−0.72
30 Sep 202510.88%−2.18
15 Sep 202513.06%+1.39
29 Aug 202511.67%+0.34
15 Aug 202511.33%+0.95
31 Jul 202510.38%−0.33
15 Jul 202510.71%+0.92
30 Jun 20259.79%−1.62
13 Jun 202511.41%+0.82
30 May 202510.59%−0.69
15 May 202511.28%+1.14
30 Apr 202510.14%−1.10
15 Apr 202511.24%+1.95
31 Mar 20259.29%−3.65
14 Mar 202512.94%−5.53
28 Feb 202518.47%+1.69
14 Feb 202516.78%+1.59
31 Jan 202515.19%+0.98
15 Jan 202514.21%+0.41
31 Dec 202413.80%−0.19
13 Dec 202413.99%+0.86
29 Nov 202413.13%+0.70
15 Nov 202412.43%−0.38
31 Oct 202412.81%−0.77
15 Oct 202413.58%−1.97
30 Sep 202415.55%−3.03
13 Sep 202418.58%−0.62
30 Aug 202419.20%+1.79
15 Aug 202417.41%+1.77
31 Jul 202415.64%+0.10
15 Jul 202415.54%+1.60
28 Jun 202413.94%+0.76
14 Jun 202413.18%+1.12
31 May 202412.06%−0.98
15 May 202413.04%−2.70
30 Apr 202415.74%−0.51
15 Apr 202416.25%+0.62
28 Mar 202415.63%+1.23
15 Mar 202414.40%−0.78
29 Feb 202415.18%+1.06
15 Feb 202414.12%+2.31
31 Jan 202411.81%+1.76
12 Jan 202410.05%+1.41
29 Dec 20238.64%+0.76
15 Dec 20237.88%+3.82
30 Nov 20234.06%+0.16
15 Nov 20233.90%−0.98
31 Oct 20234.88%+0.19
13 Oct 20234.69%−1.07
29 Sep 20235.76%+0.41
15 Sep 20235.35%−0.04
31 Aug 20235.39%+0.22
15 Aug 20235.17%−0.40
31 Jul 20235.57%+0.21
14 Jul 20235.36%+0.07
30 Jun 20235.29%+0.31
15 Jun 20234.98%−1.29
31 May 20236.27%−0.60
15 May 20236.87%−0.85
28 Apr 20237.72%−1.05
14 Apr 20238.77%−0.63
31 Mar 20239.40%−0.18
15 Mar 20239.58%+0.06
28 Feb 20239.52%+0.58
15 Feb 20238.94%+0.64
31 Jan 20238.30%−0.45
13 Jan 20238.75%−1.01
30 Dec 20229.76%−0.12
15 Dec 20229.88%+0.25
30 Nov 20229.63%−0.49
15 Nov 202210.12%−0.45
31 Oct 202210.57%−0.03
14 Oct 202210.60%+0.49
30 Sep 202210.11%−0.10
15 Sep 202210.21%−0.11
31 Aug 202210.32%+0.81
15 Aug 20229.51%+0.09
29 Jul 20229.42%−0.20
15 Jul 20229.62%−0.18
30 Jun 20229.80%+0.57
15 Jun 20229.23%+0.57
31 May 20228.66%+0.49
13 May 20228.17%+0.69
29 Apr 20227.48%+0.93
14 Apr 20226.55%−0.48
31 Mar 20227.03%+0.07
15 Mar 20226.96%+1.10
28 Feb 20225.86%−0.01
15 Feb 20225.87%+0.63
31 Jan 20225.24%+0.75
14 Jan 20224.49%+0.09
31 Dec 20214.40%−0.19
15 Dec 20214.59%+1.27
30 Nov 20213.32%+0.39
15 Nov 20212.93%−1.79
29 Oct 20214.72%−0.10
15 Oct 20214.82%+0.04
30 Sep 20214.78%−0.26
15 Sep 20215.04%+0.13
31 Aug 20214.91%−0.37
13 Aug 20215.28%−0.68
30 Jul 20215.96%−0.12
15 Jul 20216.08%−0.17
30 Jun 20216.25%+0.34
15 Jun 20215.91%+1.48
28 May 20214.43%−0.03
14 May 20214.46%−0.49
30 Apr 20214.95%−10.02
31 Dec 202014.97%−1.42
15 Dec 202016.39%+0.51
30 Nov 202015.88%−0.42
13 Nov 202016.30%+1.19
30 Oct 202015.11%+0.94
15 Oct 202014.17%−0.29
30 Sep 202014.46%+0.58
15 Sep 202013.88%+5.31
31 Aug 20208.57%−1.00
14 Aug 20209.57%−0.73
31 Jul 202010.30%−0.18
15 Jul 202010.48%−0.23
30 Jun 202010.71%+2.28
15 Jun 20208.43%+1.01
29 May 20207.42%+1.44
15 May 20205.98%−0.60
30 Apr 20206.58%−0.84
15 Apr 20207.42%+0.55
31 Mar 20206.87%+1.00
13 Mar 20205.87%−0.70
28 Feb 20206.57%+1.17
14 Feb 20205.40%+0.68
31 Jan 20204.72%−1.59
15 Jan 20206.31%+0.16
31 Dec 20196.15%−0.05
13 Dec 20196.20%+0.49
29 Nov 20195.71%−1.96
15 Nov 20197.67%+2.51
31 Oct 20195.16%+3.02
15 Oct 20192.14%–

Newest first. Scroll inside the table for earlier dates, back to 15 Oct 2019.

Frequently asked questions

How shorted is Arvinas, Inc. right now?
7.63% of Arvinas, Inc.'s (ARVN) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 1,050th 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 ARVN'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 ARVN's days to cover?
5.59 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.