REGENXBIO Inc. short interest in 2021

In 2021, REGENXBIO Inc.'s disclosed short interest ran from 6.56% of shares outstanding on 15 Jan 2021 to 7.29% on 31 Dec 2021, a change of +0.73 percentage points. The year's high was 10.18% on 31 Mar 2021 and its low 6.51% on 29 Jan 2021, averaging 7.93% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 18.14 days on 30 Apr 2021. Full history: REGENXBIO Inc..

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Plain

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

Wikipedia

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

BibTeX

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

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

2021 in figures

Start of year: 6.56% (15 Jan 2021)
End of year: 7.29% (31 Dec 2021)
Change: +0.73 pp
High: 10.18% (31 Mar 2021)
Low: 6.51% (29 Jan 2021)
Average: 7.93%
Highest days to cover: 18.14 (30 Apr 2021)
SEC filings marked: 9

Every report in 2021

REGENXBIO Inc. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	6.56%	3.03	results (8-K)
29 Jan 2021	6.51%	4.86
12 Feb 2021	7.11%	9.19
26 Feb 2021	7.85%	8.13
15 Mar 2021	8.04%	10.38	10-K filed, results (8-K)
31 Mar 2021	10.18%	8.64
15 Apr 2021	9.87%	12.90
30 Apr 2021	8.90%	18.14
14 May 2021	9.00%	9.48	10-Q filed, results (8-K)
28 May 2021	8.48%	15.87
15 Jun 2021	8.72%	12.52
30 Jun 2021	7.74%	8.21
15 Jul 2021	8.19%	14.46
30 Jul 2021	8.67%	11.90
13 Aug 2021	8.61%	9.51	10-Q filed, results (8-K)
31 Aug 2021	7.30%	7.89
15 Sep 2021	7.28%	4.27
30 Sep 2021	7.69%	7.60
15 Oct 2021	7.02%	4.41
29 Oct 2021	7.56%	13.13
15 Nov 2021	6.97%	9.17	10-Q filed, results (8-K)
30 Nov 2021	7.51%	9.02
15 Dec 2021	7.36%	8.63
31 Dec 2021	7.29%	6.72

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.