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HowShorted

How shorted is Oragenics Inc.? OGEN

#182most shorted US stockof 3,805 ranked stocks, more shorted than 95%

17.88%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
+0.26
5 reports (~10 weeks)
+0.01
days to cover
36.98
Aggregate net short position time series for Oragenics 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 Oragenics Inc. days to cover

Fails to deliver

The SEC's fails-to-deliver figure for OGEN: 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
582
17 Aug 2026
Highest in window
255,250
23 Jan 2026
Days with a balance
108
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Oragenics 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 255K shares.

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Sector: Healthcare · By year: 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 202617.88%+0.26
31 Aug 202617.62%+0.13
14 Aug 202617.49%−0.52
31 Jul 202618.01%−0.05
15 Jul 202618.06%+0.19
30 Jun 202617.87%+0.51
15 Jun 202617.36%+1.01
29 May 202616.35%+1.21
15 May 202615.14%−0.63
30 Apr 202615.77%−0.45
15 Apr 202616.22%−0.39
31 Mar 202616.61%−1.67
13 Mar 202618.28%+16.89
15 Jan 20261.39%+0.56
28 Nov 20250.83%−0.54
14 Nov 20251.37%+0.51
31 Oct 20250.86%+0.05
29 Aug 20250.81%+0.36
15 Aug 20250.45%−0.18
31 Mar 20250.63%−0.83
14 Mar 20251.46%−10.65
14 Feb 202512.11%−5.36
31 Jan 202517.47%+6.37
15 Jan 202511.10%+5.90
31 Dec 20245.20%+2.53
13 Dec 20242.67%−0.06
29 Nov 20242.73%+0.48
15 Nov 20242.25%−21.41
30 Aug 202423.66%+11.09
15 Aug 202412.57%+11.62
31 Jul 20240.95%−0.64
15 Jul 20241.59%+0.32
28 Jun 20241.27%−0.02
14 Jun 20241.29%−0.03
31 May 20241.32%−0.03
15 May 20241.35%+0.39
30 Apr 20240.96%+0.17
15 Apr 20240.79%−0.13
28 Mar 20240.92%−1.36
15 Mar 20242.28%+0.18
31 Jan 20242.10%+0.83
12 Jan 20241.27%+0.21
29 Dec 20231.06%−0.13
15 Dec 20231.19%−0.39
30 Nov 20231.58%−0.20
15 Nov 20231.78%+1.03
29 Sep 20230.75%+0.13
15 Sep 20230.62%−0.45
31 Aug 20231.07%+0.15
15 Aug 20230.92%−0.60
31 Jul 20231.52%−0.68
14 Jul 20232.20%+0.15
30 Jun 20232.05%+0.05
15 Jun 20232.00%−0.23
31 May 20232.23%+0.30
15 May 20231.93%−0.34
28 Apr 20232.27%−0.20
14 Apr 20232.47%+0.89
13 Jan 20231.58%+0.19
30 Dec 20221.39%+0.08
15 Dec 20221.31%−0.18
30 Nov 20221.49%+0.18
15 Nov 20221.31%−0.09
31 Oct 20221.40%+0.05
14 Oct 20221.35%−0.03
30 Sep 20221.38%−0.02
15 Sep 20221.40%−0.05
31 Aug 20221.45%+0.31
15 Aug 20221.14%−0.50
29 Jul 20221.64%−0.16
15 Jul 20221.80%−0.20
30 Jun 20222.00%−0.05
15 Jun 20222.05%−0.35
31 May 20222.40%+0.61
13 May 20221.79%−0.85
29 Apr 20222.64%0.00
14 Apr 20222.64%+0.09
31 Mar 20222.55%−0.30
15 Mar 20222.85%+0.77
28 Feb 20222.08%−0.79
15 Feb 20222.87%+0.07
31 Jan 20222.80%−0.06
14 Jan 20222.86%−0.06
31 Dec 20212.92%+1.02
15 Dec 20211.90%−0.64
30 Nov 20212.54%−0.41
15 Nov 20212.95%+0.52
29 Oct 20212.43%+0.36
15 Oct 20212.07%−0.25
30 Sep 20212.32%+0.01
15 Sep 20212.31%+0.47
31 Aug 20211.84%−1.30
13 Aug 20213.14%−1.85
30 Jul 20214.99%+2.63
15 Jul 20212.36%+0.01
30 Jun 20212.35%−0.13
15 Jun 20212.48%+0.24
28 May 20212.24%−0.02
14 May 20212.26%−0.28
30 Apr 20212.54%−2.06
15 Apr 20214.60%−0.11
31 Mar 20214.71%−1.09
15 Mar 20215.80%+1.63
26 Feb 20214.17%−1.21
12 Feb 20215.38%−0.11
29 Jan 20215.49%−1.66
15 Jan 20217.15%+3.73
31 Dec 20203.42%+1.20
15 Dec 20202.22%−0.19
30 Nov 20202.41%−0.50
13 Nov 20202.91%+1.16
30 Oct 20201.75%−0.43
15 Oct 20202.18%−0.37
30 Sep 20202.55%−1.24
15 Sep 20203.79%−0.05
31 Aug 20203.84%+1.23
14 Aug 20202.61%+0.88
30 Jun 20201.73%−0.13
15 Jun 20201.86%−0.25
29 May 20202.11%−0.72
15 May 20202.83%+0.42
30 Apr 20202.41%−1.39
15 Apr 20203.80%+0.33
31 Mar 20203.47%−0.53
13 Mar 20204.00%+0.31
28 Feb 20203.69%+0.19
14 Feb 20203.50%+0.45
31 Jan 20203.05%+0.34
15 Jan 20202.71%−0.12
31 Dec 20192.83%−0.24
13 Dec 20193.07%−0.34
29 Nov 20193.41%+0.52
15 Nov 20192.89%+0.43
31 Oct 20192.46%+0.89
15 Oct 20191.57%−1.00
30 Sep 20192.57%−0.91
13 Sep 20193.48%−0.60
30 Aug 20194.08%−0.21
15 Aug 20194.29%+0.88
31 Jul 20193.41%−0.81
15 Jul 20194.22%+0.27
28 Jun 20193.95%−0.15
14 Jun 20194.10%+0.53
31 May 20193.57%+0.42
15 May 20193.15%−1.24
30 Apr 20194.39%+1.43
15 Apr 20192.96%−0.24
29 Mar 20193.20%−2.46
15 Mar 20195.66%+0.01
28 Feb 20195.65%+0.02
15 Feb 20195.63%−0.14
31 Jan 20195.77%+1.52
15 Jan 20194.25%+0.63
31 Dec 20183.62%+0.78
14 Dec 20182.84%−1.03
30 Nov 20183.87%+0.54
15 Nov 20183.33%−7.77
31 Oct 201811.10%−5.28
15 Oct 201816.38%+4.65
28 Sep 201811.73%+4.91
14 Sep 20186.82%−0.59
31 Aug 20187.41%+0.85
15 Aug 20186.56%−2.20
31 Jul 20188.76%−1.47
13 Jul 201810.23%−0.09
29 Jun 201810.32%−2.48
15 Jun 201812.80%+5.93
31 May 20186.87%+4.02
15 May 20182.85%−0.46
30 Apr 20183.31%+0.97
13 Apr 20182.34%−0.27
29 Mar 20182.61%+0.67
15 Mar 20181.94%+0.46
28 Feb 20181.48%−0.16
15 Feb 20181.64%+0.77
12 Jan 20180.87%+0.29
29 Dec 20170.58%–

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

Frequently asked questions

How shorted is Oragenics Inc. right now?
17.88% of Oragenics Inc.'s (OGEN) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 182nd 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 OGEN'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 OGEN's days to cover?
36.98 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.