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HowShorted

How shorted is Outset Medical, Inc.? OM

#1,765most shorted US stockof 3,805 ranked stocks, more shorted than 53%

4.73%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
−0.07
5 reports (~10 weeks)
−3.32
days to cover
6.18
Aggregate net short position time series for Outset Medical, 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 Outset Medical, 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
6 Aug 20266.16% 31 Jul 20264.98% 14 Aug 2026−1.18
17 Jun 202610.63% 15 Jun 20268.05% 30 Jun 2026−2.58
7 May 202610.98% 30 Apr 202611.08% 15 May 2026+0.10
11 Feb 202612.49% 30 Jan 202612.11% 13 Feb 2026−0.38
12 Jan 202612.81% 31 Dec 202512.63% 15 Jan 2026−0.18
10 Nov 20259.73% 31 Oct 202511.55% 14 Nov 2025+1.82
6 Aug 202512.16% 31 Jul 202512.31% 15 Aug 2025+0.15
6 Nov 20246.43% 31 Oct 20245.51% 15 Nov 2024−0.92

Fails to deliver

The SEC's fails-to-deliver figure for OM: 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
1,183
9 Sep 2026
Highest in window
111,530
13 Jan 2026
Days with a balance
54
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Outset Medical, 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 112K shares.

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Sector: Healthcare

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20264.73%−0.07
31 Aug 20264.80%−0.18
14 Aug 20264.98%−1.18
31 Jul 20266.16%−0.40
15 Jul 20266.56%−1.49
30 Jun 20268.05%−2.58
15 Jun 202610.63%−1.36
29 May 202611.99%+0.91
15 May 202611.08%+0.10
30 Apr 202610.98%−0.42
15 Apr 202611.40%+0.77
31 Mar 202610.63%−0.81
13 Mar 202611.44%+0.98
27 Feb 202610.46%−1.65
13 Feb 202612.11%−0.38
30 Jan 202612.49%−0.14
15 Jan 202612.63%−0.18
31 Dec 202512.81%+0.57
15 Dec 202512.24%+0.57
28 Nov 202511.67%+0.12
14 Nov 202511.55%+1.82
31 Oct 20259.73%−1.23
15 Oct 202510.96%+1.26
30 Sep 20259.70%−0.72
15 Sep 202510.42%−0.56
29 Aug 202510.98%−1.33
15 Aug 202512.31%+0.15
31 Jul 202512.16%−0.18
15 Jul 202512.34%−0.57
30 Jun 202512.91%+7.19
13 Jun 20255.72%+2.53
30 May 20253.19%+0.02
15 May 20253.17%−1.52
31 Dec 20244.69%−0.30
13 Dec 20244.99%−0.33
29 Nov 20245.32%−0.19
15 Nov 20245.51%−0.92
31 Oct 20246.43%−0.23
15 Oct 20246.66%−0.01
30 Sep 20246.67%−1.75
13 Sep 20248.42%+0.93
30 Aug 20247.49%+0.47
15 Aug 20247.02%−6.62
31 Jul 202413.64%−1.04
15 Jul 202414.68%−1.87
28 Jun 202416.55%−0.30
14 Jun 202416.85%+0.01
31 May 202416.84%−0.61
15 May 202417.45%−1.37
30 Apr 202418.82%+1.73
15 Apr 202417.09%+0.44
28 Mar 202416.65%−0.31
15 Mar 202416.96%+0.85
29 Feb 202416.11%+0.14
15 Feb 202415.97%−0.60
31 Jan 202416.57%+0.35
12 Jan 202416.22%+1.64
29 Dec 202314.58%−0.58
15 Dec 202315.16%−0.18
30 Nov 202315.34%−0.58
15 Nov 202315.92%−0.98
31 Oct 202316.90%+0.53
13 Oct 202316.37%−0.24
29 Sep 202316.61%+1.29
15 Sep 202315.32%−0.05
31 Aug 202315.37%−0.21
15 Aug 202315.58%−1.08
31 Jul 202316.66%+0.04
14 Jul 202316.62%+1.00
30 Jun 202315.62%+1.03
15 Jun 202314.59%−0.21
31 May 202314.80%+0.09
15 May 202314.71%+0.86
28 Apr 202313.85%−0.21
14 Apr 202314.06%+1.59
31 Mar 202312.47%+0.41
15 Mar 202312.06%+0.63
28 Feb 202311.43%+1.65
15 Feb 20239.78%−0.26
31 Jan 202310.04%+1.31
13 Jan 20238.73%+0.73
30 Dec 20228.00%+0.12
15 Dec 20227.88%−0.17
30 Nov 20228.05%−0.84
15 Nov 20228.89%−0.32
31 Oct 20229.21%−0.64
14 Oct 20229.85%+0.69
30 Sep 20229.16%−0.19
15 Sep 20229.35%+0.42
31 Aug 20228.93%−0.58
15 Aug 20229.51%+0.50
29 Jul 20229.01%+0.69
15 Jul 20228.32%−0.29
30 Jun 20228.61%−5.16
15 Jun 202213.77%+0.66
31 May 202213.11%+0.46
13 May 202212.65%−1.36
29 Apr 202214.01%−0.16
14 Apr 202214.17%+0.12
31 Mar 202214.05%+0.68
15 Mar 202213.37%−0.20
28 Feb 202213.57%+0.50
15 Feb 202213.07%+0.53
31 Jan 202212.54%+0.73
14 Jan 202211.81%+0.62
31 Dec 202111.19%+0.24
15 Dec 202110.95%+1.39
30 Nov 20219.56%+0.01
15 Nov 20219.55%+0.53
29 Oct 20219.02%−0.52
15 Oct 20219.54%+0.37
30 Sep 20219.17%+2.10
15 Sep 20217.07%+0.91
31 Aug 20216.16%+0.23
13 Aug 20215.93%−0.96
30 Jul 20216.89%−1.14
15 Jul 20218.03%+0.12
30 Jun 20217.91%+2.27
15 Jun 20215.64%−0.02
28 May 20215.66%+0.23
14 May 20215.43%+0.84
30 Apr 20214.59%−0.32
15 Apr 20214.91%+1.86
31 Mar 20213.05%+0.11
15 Mar 20212.94%+0.76
26 Feb 20212.18%+0.03
12 Feb 20212.15%−0.08
29 Jan 20212.23%−0.27
15 Jan 20212.50%−0.51
31 Dec 20203.01%+0.32
15 Dec 20202.69%+0.66
30 Nov 20202.03%+0.07
13 Nov 20201.96%+0.22
30 Oct 20201.74%–

Newest first. Scroll inside the table for earlier dates, back to 30 Oct 2020.

Frequently asked questions

How shorted is Outset Medical, Inc. right now?
4.73% of Outset Medical, Inc.'s (OM) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 1,765th 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 OM'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 OM's days to cover?
6.18 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.