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HowShorted

How shorted is Super Micro Computer, Inc.? SMCI

#307most shorted US stockof 3,805 ranked stocks, more shorted than 91%

14.48%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
+0.26
5 reports (~10 weeks)
−2.68
days to cover
2.66
Aggregate net short position time series for Super Micro Computer, 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 Super Micro Computer, 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
11 Aug 202613.92% 31 Jul 202613.89% 14 Aug 2026−0.03
21 Jul 202616.15% 15 Jul 202613.92% 31 Jul 2026−2.23
5 May 202613.40% 30 Apr 202613.51% 15 May 2026+0.11
3 Feb 202615.38% 30 Jan 202614.39% 13 Feb 2026−0.99
4 Nov 202512.87% 31 Oct 202514.75% 14 Nov 2025+1.88
23 Oct 202514.22% 15 Oct 202512.87% 31 Oct 2025−1.35
5 Aug 202515.07% 31 Jul 202516.21% 15 Aug 2025+1.14
6 May 202518.14% 30 Apr 202516.88% 15 May 2025−1.26

Fails to deliver

The SEC's fails-to-deliver figure for SMCI: 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.

Latest balance
4,600
14 Sep 2026
Highest in window
1,938,276
12 Jun 2026
Days with a balance
144
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Super Micro Computer, 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 1.9M shares.

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Sector: Technology

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 202614.48%+0.26
31 Aug 202614.22%+0.33
14 Aug 202613.89%−0.03
31 Jul 202613.92%−2.23
15 Jul 202616.15%−1.01
30 Jun 202617.16%+1.16
15 Jun 202616.00%+3.62
29 May 202612.38%−1.13
15 May 202613.51%+0.11
30 Apr 202613.40%−1.09
15 Apr 202614.49%+0.60
31 Mar 202613.89%−0.88
13 Mar 202614.77%+0.57
27 Feb 202614.20%−0.19
13 Feb 202614.39%−0.99
30 Jan 202615.38%+0.68
15 Jan 202614.70%+0.01
31 Dec 202514.69%−0.25
15 Dec 202514.94%+0.45
28 Nov 202514.49%−0.26
14 Nov 202514.75%+1.88
31 Oct 202512.87%−1.35
15 Oct 202514.22%−1.36
30 Sep 202515.58%−0.33
15 Sep 202515.91%−0.08
29 Aug 202515.99%−0.22
15 Aug 202516.21%+1.14
31 Jul 202515.07%−0.33
15 Jul 202515.40%−0.56
30 Jun 202515.96%+1.09
13 Jun 202514.87%−1.31
30 May 202516.18%−0.70
15 May 202516.88%−1.26
30 Apr 202518.14%+0.68
15 Apr 202517.46%−2.12
31 Mar 202519.58%+0.19
14 Mar 202519.39%+2.04
28 Feb 202517.35%+0.14
14 Feb 202517.21%+1.77
31 Jan 202515.44%−0.76
30 Sep 202416.20%+1.31
13 Sep 202414.89%−0.07
30 Aug 202414.96%+1.82
15 Aug 202413.14%+3.91
31 Jul 20249.23%+1.99
15 Jul 20247.24%−0.62
28 Jun 20247.86%−0.11
14 Jun 20247.97%+1.04
31 May 20246.93%+0.88
15 May 20246.05%+0.78
30 Apr 20245.27%+0.06
15 Apr 20245.21%−0.34
28 Mar 20245.55%−1.66
15 Mar 20247.21%−0.03
29 Feb 20247.24%−2.23
15 Feb 20249.47%+0.48
31 Jan 20248.99%−0.56
12 Jan 20249.55%+1.51
29 Dec 20238.04%−0.43
15 Dec 20238.47%+0.06
30 Nov 20238.41%−0.12
15 Nov 20238.53%+0.38
31 Oct 20238.15%−0.69
13 Oct 20238.84%+0.24
29 Sep 20238.60%+1.81
15 Sep 20236.79%+0.17
31 Aug 20236.62%−1.21
15 Aug 20237.83%−0.33
31 Jul 20238.16%−0.92
14 Jul 20239.08%+0.18
30 Jun 20238.90%−1.21
15 Jun 202310.11%+0.91
31 May 20239.20%−1.02
15 May 202310.22%−0.07
28 Apr 202310.29%−0.16
14 Apr 202310.45%+1.24
31 Mar 20239.21%+0.50
15 Mar 20238.71%+0.10
28 Feb 20238.61%−0.49
15 Feb 20239.10%−0.27
31 Jan 20239.37%−0.09
13 Jan 20239.46%0.00
30 Dec 20229.46%+2.90
15 Dec 20226.56%+0.56
30 Nov 20226.00%+0.60
15 Nov 20225.40%+0.11
31 Oct 20225.29%+0.31
14 Oct 20224.98%+0.41
30 Sep 20224.57%+0.35
15 Sep 20224.22%−0.01
31 Aug 20224.23%+0.59
15 Aug 20223.64%+0.25
29 Jul 20223.39%+0.38
15 Jul 20223.01%+0.39
30 Jun 20222.62%+0.56
15 Jun 20222.06%+0.21
31 May 20221.85%+0.07
13 May 20221.78%−0.01
29 Apr 20221.79%−0.01
14 Apr 20221.80%−0.03
31 Mar 20221.83%+0.14
15 Mar 20221.69%+0.10
28 Feb 20221.59%+0.26
15 Feb 20221.33%+0.51
31 Jan 20220.82%+0.09
14 Jan 20220.73%−0.18
31 Dec 20210.91%−0.24
15 Dec 20211.15%+0.29
30 Nov 20210.86%−0.17
15 Nov 20211.03%−0.30
29 Oct 20211.33%−0.05
15 Oct 20211.38%−0.07
30 Sep 20211.45%+0.04
15 Sep 20211.41%+0.02
31 Aug 20211.39%−0.04
13 Aug 20211.43%−0.13
30 Jul 20211.56%+0.06
15 Jul 20211.50%+0.02
30 Jun 20211.48%−0.27
15 Jun 20211.75%−0.04
28 May 20211.79%+0.13
14 May 20211.66%−0.26
30 Apr 20211.92%−0.02
15 Apr 20211.94%−0.15
31 Mar 20212.09%+0.06
15 Mar 20212.03%−0.05
26 Feb 20212.08%+0.23
12 Feb 20211.85%−0.87
29 Jan 20212.72%+0.34
15 Jan 20212.38%−0.35
31 Dec 20202.73%+0.36
15 Dec 20202.37%−0.01
30 Nov 20202.38%−0.39
13 Nov 20202.77%−1.43
30 Oct 20204.20%−0.36
15 Oct 20204.56%−0.50
30 Sep 20205.06%−0.40
15 Sep 20205.46%−0.98
31 Aug 20206.44%−1.33
14 Aug 20207.77%+1.11
31 Jul 20206.66%+5.27
15 Jun 20201.39%+0.50
29 May 20200.89%−0.05
15 May 20200.94%+0.02
30 Apr 20200.92%−0.12
15 Apr 20201.04%−0.08
31 Mar 20201.12%+0.10
13 Mar 20201.02%+0.16
28 Feb 20200.86%+0.04
14 Feb 20200.82%+0.05
31 Jan 20200.77%+0.52
15 Jan 20200.25%–

Newest first. Scroll inside the table for earlier dates, back to 15 Jan 2020.

Frequently asked questions

How shorted is Super Micro Computer, Inc. right now?
14.48% of Super Micro Computer, Inc.'s (SMCI) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 307th 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 SMCI'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 SMCI's days to cover?
2.66 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.