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HowShorted

How shorted is Aurora Innovation, Inc. Class? AUR

#686most shorted US stockof 3,805 ranked stocks, more shorted than 81%

9.89%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
+0.34
5 reports (~10 weeks)
+0.28
days to cover
7.24
Aggregate net short position time series for Aurora Innovation, Inc. Class

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 Aurora Innovation, Inc. Class 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
29 Jul 20268.95% 15 Jul 20269.76% 31 Jul 2026+0.81
6 May 20269.66% 30 Apr 20269.26% 15 May 2026−0.40
11 Feb 20267.46% 30 Jan 20267.89% 13 Feb 2026+0.43
28 Oct 20256.52% 15 Oct 20256.94% 31 Oct 2025+0.42
30 Jul 20255.98% 15 Jul 20255.80% 31 Jul 2025−0.18
8 May 20255.12% 30 Apr 20257.01% 15 May 2025+1.89
12 Feb 20254.65% 31 Jan 20255.03% 14 Feb 2025+0.38
30 Oct 20245.71% 15 Oct 20244.88% 31 Oct 2024−0.83

Fails to deliver

The SEC's fails-to-deliver figure for AUR: 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
15,857
10 Sep 2026
Highest in window
2,831,895
18 Aug 2026
Days with a balance
135
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Aurora Innovation, Inc. Class 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 2.8M shares.

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Sector: Technology

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20269.89%+0.34
31 Aug 20269.55%+0.82
14 Aug 20268.73%−1.03
31 Jul 20269.76%+0.81
15 Jul 20268.95%−0.66
30 Jun 20269.61%+1.12
15 Jun 20268.49%−0.49
29 May 20268.98%−0.28
15 May 20269.26%−0.40
30 Apr 20269.66%−0.12
15 Apr 20269.78%+0.20
31 Mar 20269.58%+0.92
13 Mar 20268.66%+0.69
27 Feb 20267.97%+0.08
13 Feb 20267.89%+0.43
30 Jan 20267.46%+0.08
15 Jan 20267.38%−0.06
31 Dec 20257.44%−0.44
15 Dec 20257.88%+0.03
28 Nov 20257.85%+0.54
14 Nov 20257.31%+0.37
31 Oct 20256.94%+0.42
15 Oct 20256.52%−0.28
30 Sep 20256.80%−0.47
15 Sep 20257.27%+0.40
29 Aug 20256.87%+0.77
15 Aug 20256.10%+0.30
31 Jul 20255.80%−0.18
15 Jul 20255.98%−0.87
30 Jun 20256.85%−0.34
13 Jun 20257.19%−0.06
30 May 20257.25%+0.24
15 May 20257.01%+1.89
30 Apr 20255.12%−0.14
15 Apr 20255.26%+0.03
31 Mar 20255.23%+0.53
14 Mar 20254.70%−0.42
28 Feb 20255.12%+0.09
14 Feb 20255.03%+0.38
31 Jan 20254.65%+0.48
15 Jan 20254.17%+0.37
31 Dec 20243.80%+0.03
13 Dec 20243.77%−0.66
29 Nov 20244.43%−0.13
15 Nov 20244.56%−0.32
31 Oct 20244.88%−0.83
15 Oct 20245.71%+0.11
30 Sep 20245.60%−0.15
13 Sep 20245.75%−0.50
30 Aug 20246.25%−0.42
15 Aug 20246.67%+0.23
31 Jul 20246.44%−0.43
15 Jul 20246.87%+1.36
28 Jun 20245.51%+0.58
14 Jun 20244.93%+0.19
31 May 20244.74%+0.22
15 May 20244.52%−0.07
30 Apr 20244.59%+0.49
15 Apr 20244.10%+0.49
28 Mar 20243.61%+0.25
15 Mar 20243.36%+0.21
29 Feb 20243.15%+0.38
15 Feb 20242.77%−0.30
31 Jan 20243.07%+0.19
12 Jan 20242.88%−0.17
29 Dec 20233.05%+0.31
15 Dec 20232.74%−0.34
30 Nov 20233.08%−0.31
15 Nov 20233.39%−0.39
31 Oct 20233.78%−0.18
13 Oct 20233.96%−0.10
29 Sep 20234.06%+0.96
15 Sep 20233.10%−0.10
31 Aug 20233.20%+0.30
15 Aug 20232.90%−0.06
31 Jul 20232.96%+0.48
14 Jul 20232.48%−0.03
30 Jun 20232.51%+1.27
15 Jun 20231.24%+0.06
31 May 20231.18%+0.05
15 May 20231.13%−0.05
28 Apr 20231.18%+0.14
14 Apr 20231.04%−0.06
31 Mar 20231.10%+0.07
15 Mar 20231.03%+0.08
28 Feb 20230.95%+0.07
15 Feb 20230.88%−0.08
31 Jan 20230.96%+0.04
13 Jan 20230.92%−0.06
30 Dec 20220.98%−0.03
15 Dec 20221.01%−0.02
30 Nov 20221.03%−0.01
15 Nov 20221.04%−0.06
31 Oct 20221.10%−0.04
14 Oct 20221.14%+0.02
30 Sep 20221.12%−0.07
15 Sep 20221.19%−0.02
31 Aug 20221.21%+0.14
15 Aug 20221.07%−0.29
29 Jul 20221.36%−0.08
15 Jul 20221.44%−0.24
30 Jun 20221.68%+0.33
15 Jun 20221.35%−0.13
31 May 20221.48%0.00
13 May 20221.48%+0.12
29 Apr 20221.36%+0.18
14 Apr 20221.18%+0.06
31 Mar 20221.12%−0.20
15 Mar 20221.32%−1.33
28 Feb 20222.65%−0.09
15 Feb 20222.74%−0.24
31 Jan 20222.98%+0.60
14 Jan 20222.38%–

Newest first. Scroll inside the table for earlier dates, back to 14 Jan 2022.

Frequently asked questions

How shorted is Aurora Innovation, Inc. Class right now?
9.89% of Aurora Innovation, Inc. Class's (AUR) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 686th 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 AUR'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 AUR's days to cover?
7.24 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.