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HowShorted

How shorted is Bionano Genomics, Inc.? BNGO

#716most shorted US stockof 3,805 ranked stocks, more shorted than 81%

9.72%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
−0.67
5 reports (~10 weeks)
−0.71
days to cover
1.00
Aggregate net short position time series for Bionano Genomics, 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 Bionano Genomics, 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
10 Aug 20269.61% 31 Jul 20269.80% 14 Aug 2026+0.19
13 May 202610.15% 30 Apr 202611.03% 15 May 2026+0.88
23 Mar 202610.71% 13 Mar 202611.13% 31 Mar 2026+0.42
12 Jan 202610.29% 31 Dec 202510.36% 15 Jan 2026+0.07
13 Nov 202519.31% 31 Oct 202511.27% 14 Nov 2025−8.04
14 Aug 202511.06% 31 Jul 20258.51% 15 Aug 2025−2.55
14 May 202516.17% 30 Apr 202519.10% 15 May 2025+2.93
13 Jan 202517.31% 31 Dec 202420.09% 15 Jan 2025+2.78

Fails to deliver

The SEC's fails-to-deliver figure for BNGO: 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
1,749
10 Sep 2026
Highest in window
482,013
16 Sep 2025
Days with a balance
152
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Bionano Genomics, 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 482K shares.

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Sector: Healthcare · By year: 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20269.72%−0.67
31 Aug 202610.39%+0.59
14 Aug 20269.80%+0.19
31 Jul 20269.61%−0.18
15 Jul 20269.79%−0.64
30 Jun 202610.43%+0.26
15 Jun 202610.17%+0.05
29 May 202610.12%−0.91
15 May 202611.03%+0.88
30 Apr 202610.15%−0.17
15 Apr 202610.32%−0.81
31 Mar 202611.13%+0.42
13 Mar 202610.71%−0.75
27 Feb 202611.46%−0.32
13 Feb 202611.78%+0.61
30 Jan 202611.17%+0.81
15 Jan 202610.36%+0.07
31 Dec 202510.29%+0.89
15 Dec 20259.40%−1.37
28 Nov 202510.77%−0.50
14 Nov 202511.27%−8.04
31 Oct 202519.31%−2.93
15 Oct 202522.24%−6.96
30 Sep 202529.20%+14.11
15 Sep 202515.09%+8.01
29 Aug 20257.08%−1.43
15 Aug 20258.51%−2.55
31 Jul 202511.06%−2.66
15 Jul 202513.72%−2.84
30 Jun 202516.56%−1.70
13 Jun 202518.26%−2.06
30 May 202520.32%+1.22
15 May 202519.10%+2.93
30 Apr 202516.17%−3.70
15 Apr 202519.87%+0.32
31 Mar 202519.55%−0.54
15 Jan 202520.09%+2.78
31 Dec 202417.31%+1.78
13 Dec 202415.53%+3.12
29 Nov 202412.41%+0.53
15 Nov 202411.88%+0.45
31 Oct 202411.43%+2.51
15 Oct 20248.92%+1.86
30 Sep 20247.06%+2.22
13 Sep 20244.84%+0.56
30 Aug 20244.28%−0.63
15 Aug 20244.91%−3.26
31 Jul 20248.17%−0.63
15 Jul 20248.80%−1.76
28 Jun 202410.56%+0.96
14 Jun 20249.60%+1.03
31 May 20248.57%−0.54
15 May 20249.11%−0.31
30 Apr 20249.42%−0.37
15 Apr 20249.79%+0.15
28 Mar 20249.64%−0.37
15 Mar 202410.01%+0.45
29 Feb 20249.56%−4.94
15 Feb 202414.50%+0.08
31 Jan 202414.42%+1.83
12 Jan 202412.59%−0.43
29 Dec 202313.02%−0.21
15 Dec 202313.23%−1.04
30 Nov 202314.27%−3.96
15 Nov 202318.23%+3.46
31 Jul 202314.77%+0.43
14 Jul 202314.34%−1.37
30 Jun 202315.71%−3.82
15 Jun 202319.53%−0.92
31 May 202320.45%−0.58
15 May 202321.03%+0.70
28 Apr 202320.33%−0.21
14 Apr 202320.54%+1.51
31 Mar 202319.03%+1.14
15 Mar 202317.89%−1.53
28 Feb 202319.42%+2.85
15 Feb 202316.57%−1.03
31 Jan 202317.60%−0.33
13 Jan 202317.93%+0.49
30 Dec 202217.44%+1.02
15 Dec 202216.42%+2.21
30 Nov 202214.21%−0.18
15 Nov 202214.39%−1.02
31 Oct 202215.41%−0.69
14 Oct 202216.10%+1.25
30 Sep 202214.85%+0.72
15 Sep 202214.13%+1.09
31 Aug 202213.04%−0.45
15 Aug 202213.49%−2.24
29 Jul 202215.73%+0.48
15 Jul 202215.25%−0.04
30 Jun 202215.29%+2.16
15 Jun 202213.13%−0.23
31 May 202213.36%−0.42
13 May 202213.78%−1.82
29 Apr 202215.60%+0.33
14 Apr 202215.27%+1.86
31 Mar 202213.41%+0.13
15 Mar 202213.28%−0.06
28 Feb 202213.34%+0.07
15 Feb 202213.27%+0.24
31 Jan 202213.03%+0.03
14 Jan 202213.00%−1.01
31 Dec 202114.01%−0.33
15 Dec 202114.34%+0.45
30 Nov 202113.89%+0.92
15 Nov 202112.97%−0.65
29 Oct 202113.62%−1.44
15 Oct 202115.06%+0.61
30 Sep 202114.45%−1.49
15 Sep 202115.94%−0.32
31 Aug 202116.26%0.00
13 Aug 202116.26%+1.26
30 Jul 202115.00%−1.12
15 Jul 202116.12%−2.58
30 Jun 202118.70%+4.97
15 Jun 202113.73%−0.09
28 May 202113.82%+0.70
14 May 202113.12%+1.80
30 Apr 202111.32%+0.91
15 Apr 202110.41%+0.15
31 Mar 202110.26%+1.73
15 Mar 20218.53%−5.78
26 Feb 202114.31%+1.87
12 Feb 202112.44%−4.99
29 Jan 202117.43%+0.80
15 Jan 202116.63%+6.43
31 Dec 202010.20%+4.67
15 Dec 20205.53%+0.48
30 Nov 20205.05%+0.26
13 Nov 20204.79%−2.70
30 Oct 20207.49%+0.55
15 Oct 20206.94%+0.03
30 Sep 20206.91%+0.44
15 Sep 20206.47%+0.46
31 Aug 20206.01%+0.87
14 Aug 20205.14%−3.92
31 Jul 20209.06%+3.02
15 Jul 20206.04%+1.33
30 Jun 20204.71%+2.26
31 Mar 20202.45%−2.28
13 Mar 20204.73%+2.99
31 Oct 20191.74%−0.13
15 Oct 20191.87%–

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

Frequently asked questions

How shorted is Bionano Genomics, Inc. right now?
9.72% of Bionano Genomics, Inc.'s (BNGO) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 716th 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 BNGO'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 BNGO's days to cover?
1.00 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.