Zogenix, Inc. short interest in 2021

In 2021, Zogenix, Inc.'s disclosed short interest ran from 15.69% of shares outstanding on 15 Jan 2021 to 10.02% on 31 Dec 2021, a change of -5.67 percentage points. The year's high was 17.00% on 14 May 2021 and its low 10.02% on 31 Dec 2021, averaging 14.27% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 23.85 days on 29 Oct 2021. Full history: Zogenix, Inc..

Cite this page

Plain

Short position data for Zogenix, Inc. short interest in 2021: FINRA, compiled by howshorted.com, settlement date 31 Dec 2021. https://howshorted.com/us/company/zgnx-2022/2021/

Wikipedia

<ref>{{cite web |title=Zogenix, Inc. short interest in 2021 short position data |url=https://howshorted.com/us/company/zgnx-2022/2021/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2021-12-31 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-zogenix-inc-short-interest-in-2021-2021-12-31,
  title        = {Zogenix, Inc. short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/zgnx-2022/2021/}},
  note         = {Data: FINRA, settlement date 31 Dec 2021; accessed 2026-10-13},
  year         = {2021}
}

By year: 2018 · 2019 · 2020 · 2021

2021 in figures

Start of year: 15.69% (15 Jan 2021)
End of year: 10.02% (31 Dec 2021)
Change: -5.67 pp
High: 17.00% (14 May 2021)
Low: 10.02% (31 Dec 2021)
Average: 14.27%
Highest days to cover: 23.85 (29 Oct 2021)
SEC filings marked: 9

Every report in 2021

Zogenix, Inc. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	15.69%	9.38	results (8-K)
29 Jan 2021	15.99%	10.06
12 Feb 2021	16.37%	9.65
26 Feb 2021	16.01%	11.36	results (8-K)
15 Mar 2021	15.80%	17.07	10-K filed
31 Mar 2021	16.32%	13.49
15 Apr 2021	15.49%	12.31
30 Apr 2021	15.46%	21.71
14 May 2021	17.00%	11.53	10-Q filed, results (8-K)
28 May 2021	15.92%	18.28
15 Jun 2021	15.18%	10.13
30 Jun 2021	14.51%	4.78
15 Jul 2021	14.41%	8.83
30 Jul 2021	15.03%	9.19
13 Aug 2021	14.17%	7.70	10-Q filed, results (8-K)
31 Aug 2021	13.47%	14.14
15 Sep 2021	12.74%	14.96
30 Sep 2021	13.00%	10.22
15 Oct 2021	12.82%	18.17
29 Oct 2021	13.46%	23.85
15 Nov 2021	11.69%	11.52	results (8-K), 10-Q filed
30 Nov 2021	11.32%	10.77
15 Dec 2021	10.52%	8.22
31 Dec 2021	10.02%	6.53

About this data

US short interest data: FINRA (finra.org), shown as reported shares short divided by SEC-reported shares outstanding for each settlement date. FINRA® is a registered trademark of the Financial Industry Regulatory Authority, Inc. This site is not affiliated with or endorsed by FINRA or the SEC; displayed for personal reference, bulk redistribution is not permitted (see terms). Nothing here is investment advice. Method: methodology.