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HowShorted

How shorted is CareDx, Inc.? CDNA

#477most shorted US stockof 3,805 ranked stocks, more shorted than 87%

12.17%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
+0.90
5 reports (~10 weeks)
−3.97
days to cover
6.29
Aggregate net short position time series for CareDx, 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 CareDx, 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
30 Jul 202611.98% 15 Jul 202611.86% 31 Jul 2026−0.12
28 Apr 202612.43% 15 Apr 202613.34% 30 Apr 2026+0.91
16 Apr 202612.43% 15 Apr 202613.34% 30 Apr 2026+0.91
24 Feb 202611.83% 13 Feb 202612.20% 27 Feb 2026+0.37
12 Jan 202611.45% 31 Dec 202510.84% 15 Jan 2026−0.61
4 Nov 202512.77% 31 Oct 202513.53% 14 Nov 2025+0.76
6 Aug 202511.10% 31 Jul 202512.16% 15 Aug 2025+1.06
30 Apr 202511.28% 15 Apr 202511.78% 15 May 2025+0.50

Fails to deliver

The SEC's fails-to-deliver figure for CDNA: 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
155
11 Sep 2026
Highest in window
189,897
17 Jul 2026
Days with a balance
29
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for CareDx, 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 190K shares.

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Sector: Healthcare

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 202612.17%+0.90
31 Aug 202611.27%+0.08
14 Aug 202611.19%−0.67
31 Jul 202611.86%−0.12
15 Jul 202611.98%−4.16
30 Jun 202616.14%−0.19
15 Jun 202616.33%+4.00
29 May 202612.33%−0.27
15 May 202612.60%−0.74
30 Apr 202613.34%+0.91
15 Apr 202612.43%−0.05
31 Mar 202612.48%−0.20
13 Mar 202612.68%+0.48
27 Feb 202612.20%+0.37
13 Feb 202611.83%+0.65
30 Jan 202611.18%+0.34
15 Jan 202610.84%−0.61
31 Dec 202511.45%−0.72
15 Dec 202512.17%−0.61
28 Nov 202512.78%−0.75
14 Nov 202513.53%+0.76
31 Oct 202512.77%+1.41
15 Oct 202511.36%−0.37
30 Sep 202511.73%−0.45
15 Sep 202512.18%−0.79
29 Aug 202512.97%+0.81
15 Aug 202512.16%+1.06
31 Jul 202511.10%−0.39
15 Jul 202511.49%0.00
30 Jun 202511.49%+0.22
13 Jun 202511.27%−0.40
30 May 202511.67%−0.11
15 May 202511.78%+0.77
30 Apr 202511.01%−0.27
15 Apr 202511.28%+0.92
31 Mar 202510.36%−0.35
14 Mar 202510.71%+1.06
28 Feb 20259.65%+0.74
14 Feb 20258.91%+0.60
31 Jan 20258.31%+0.13
15 Jan 20258.18%+0.78
31 Dec 20247.40%+1.59
13 Dec 20245.81%−0.41
29 Nov 20246.22%+0.49
15 Nov 20245.73%−0.70
31 Oct 20246.43%−0.16
15 Oct 20246.59%−0.35
30 Sep 20246.94%0.00
13 Sep 20246.94%+0.67
30 Aug 20246.27%+0.19
15 Aug 20246.08%−0.52
31 Jul 20246.60%−0.97
15 Jul 20247.57%+0.19
28 Jun 20247.38%−2.98
14 Jun 202410.36%−0.01
31 May 202410.37%+0.12
15 May 202410.25%+0.32
30 Apr 20249.93%+0.87
15 Apr 20249.06%−0.94
28 Mar 202410.00%+1.58
15 Mar 20248.42%+1.15
29 Feb 20247.27%+0.62
15 Feb 20246.65%+1.39
31 Jan 20245.26%+0.89
12 Jan 20244.37%+0.12
29 Dec 20234.25%−1.57
15 Dec 20235.82%−0.50
30 Nov 20236.32%−0.87
15 Nov 20237.19%−1.12
31 Oct 20238.31%+0.79
13 Oct 20237.52%+1.07
29 Sep 20236.45%−0.75
15 Sep 20237.20%−0.45
31 Aug 20237.65%+0.20
15 Aug 20237.45%−0.76
31 Jul 20238.21%−1.72
14 Jul 20239.93%+0.61
30 Jun 20239.32%−1.55
15 Jun 202310.87%+0.25
31 May 202310.62%−0.93
15 May 202311.55%+1.86
28 Apr 20239.69%+0.15
14 Apr 20239.54%−0.01
31 Mar 20239.55%+0.04
15 Mar 20239.51%+0.41
28 Feb 20239.10%−0.12
15 Feb 20239.22%−0.23
31 Jan 20239.45%+0.20
13 Jan 20239.25%+0.32
30 Dec 20228.93%+2.72
15 Dec 20226.21%−2.19
30 Nov 20228.40%−0.16
15 Nov 20228.56%−0.47
31 Oct 20229.03%+0.25
14 Oct 20228.78%−0.08
30 Sep 20228.86%+1.59
15 Sep 20227.27%+0.48
31 Aug 20226.79%+0.08
15 Aug 20226.71%−0.50
29 Jul 20227.21%−0.85
15 Jul 20228.06%+0.69
30 Jun 20227.37%+0.61
15 Jun 20226.76%+0.82
31 May 20225.94%−2.06
13 May 20228.00%−0.38
29 Apr 20228.38%+0.37
14 Apr 20228.01%−0.37
31 Mar 20228.38%+0.51
15 Mar 20227.87%−0.05
28 Feb 20227.92%+0.55
15 Feb 20227.37%+0.13
31 Jan 20227.24%+1.34
14 Jan 20225.90%−0.15
31 Dec 20216.05%−0.35
15 Dec 20216.40%−0.20
30 Nov 20216.60%−0.06
15 Nov 20216.66%−1.05
29 Oct 20217.71%−0.54
15 Oct 20218.25%−0.31
30 Sep 20218.56%+0.52
15 Sep 20218.04%+0.27
31 Aug 20217.77%+0.20
13 Aug 20217.57%+0.10
30 Jul 20217.47%+0.04
15 Jul 20217.43%−0.11
30 Jun 20217.54%−0.32
15 Jun 20217.86%−0.65
28 May 20218.51%−0.23
14 May 20218.74%−0.38
30 Apr 20219.12%−0.09
15 Apr 20219.21%−1.64
31 Mar 202110.85%+0.37
15 Mar 202110.48%+1.00
26 Feb 20219.48%+0.17
12 Feb 20219.31%+0.33
29 Jan 20218.98%−1.24
15 Jan 202110.22%+0.70
31 Dec 20209.52%−0.24
15 Dec 20209.76%+0.24
30 Nov 20209.52%−0.74
13 Nov 202010.26%−0.27
30 Oct 202010.53%−0.16
15 Oct 202010.69%−1.43
30 Sep 202012.12%+0.67
15 Sep 202011.45%+0.01
31 Aug 202011.44%+0.86
14 Aug 202010.58%+0.47
31 Jul 202010.11%−1.81
15 Jul 202011.92%+0.09
30 Jun 202011.83%−1.25
15 Jun 202013.08%+0.30
29 May 202012.78%+1.42
15 May 202011.36%+0.34
30 Apr 202011.02%−0.66
15 Apr 202011.68%−0.51
31 Mar 202012.19%−0.09
13 Mar 202012.28%−0.10
28 Feb 202012.38%+0.72
14 Feb 202011.66%−1.30
31 Jan 202012.96%+1.60
15 Jan 202011.36%+2.38
31 Dec 20198.98%−0.18
13 Dec 20199.16%+0.48
29 Nov 20198.68%+0.12
15 Nov 20198.56%+0.87
31 Oct 20197.69%−0.21
15 Oct 20197.90%+0.49
30 Sep 20197.41%+2.46
13 Sep 20194.95%−1.36
30 Aug 20196.31%−2.32
15 Aug 20198.63%−0.74
31 Jul 20199.37%−0.18
15 Jul 20199.55%+2.14
28 Jun 20197.41%+0.91
14 Jun 20196.50%−0.17
31 May 20196.67%−0.75
15 May 20197.42%+2.02
30 Apr 20195.40%−0.46
15 Apr 20195.86%−0.64
29 Mar 20196.50%−1.00
15 Mar 20197.50%+0.57
28 Feb 20196.93%+0.61
15 Feb 20196.32%−0.06
31 Jan 20196.38%+0.74
15 Jan 20195.64%−1.25
31 Dec 20186.89%+1.64
14 Dec 20185.25%−0.25
30 Nov 20185.50%−0.27
15 Nov 20185.77%−0.65
31 Oct 20186.42%−0.07
15 Oct 20186.49%−1.45
28 Sep 20187.94%+2.78
14 Sep 20185.16%+1.06
31 Aug 20184.10%−2.73
15 Aug 20186.83%−1.82
31 Jul 20188.65%−1.07
13 Jul 20189.72%−1.38
29 Jun 201811.10%+6.15
15 Jun 20184.95%+0.39
31 May 20184.56%+0.01
15 May 20184.55%+0.75
30 Apr 20183.80%−0.16
13 Apr 20183.96%−0.05
29 Mar 20184.01%−14.83
15 Mar 201818.84%+1.00
28 Feb 201817.84%+0.80
15 Feb 201817.04%+1.24
31 Jan 201815.80%+0.82
12 Jan 201814.98%+1.32
29 Dec 201713.66%–

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

Frequently asked questions

How shorted is CareDx, Inc. right now?
12.17% of CareDx, Inc.'s (CDNA) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 477th 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 CDNA'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 CDNA's days to cover?
6.29 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.