REGENXBIO Inc. short interest in 2026

In 2026, REGENXBIO Inc.'s disclosed short interest ran from 10.12% of shares outstanding on 15 Jan 2026 to 12.01% on 15 Sep 2026, a change of +1.89 percentage points. The year's high was 20.27% on 30 Jun 2026 and its low 9.63% on 30 Jan 2026, averaging 13.38% across 17 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 12.63 days on 15 Apr 2026. Full history: REGENXBIO Inc..

Cite this page

Plain

Short position data for REGENXBIO Inc. short interest in 2026: FINRA, compiled by howshorted.com, settlement date 15 Sep 2026. https://howshorted.com/us/company/rgnx/2026/

Wikipedia

<ref>{{cite web |title=REGENXBIO Inc. short interest in 2026 short position data |url=https://howshorted.com/us/company/rgnx/2026/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2026-09-15 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-regenxbio-inc-short-interest-in-2026-2026-09-15,
  title        = {REGENXBIO Inc. short interest in 2026 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/rgnx/2026/}},
  note         = {Data: FINRA, settlement date 15 Sep 2026; accessed 2026-10-13},
  year         = {2026}
}

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

2026 in figures

Start of year: 10.12% (15 Jan 2026)
End of year: 12.01% (15 Sep 2026)
Change: +1.89 pp
High: 20.27% (30 Jun 2026)
Low: 9.63% (30 Jan 2026)
Average: 13.38%
Highest days to cover: 12.63 (15 Apr 2026)
SEC filings marked: 6

Every report in 2026

REGENXBIO Inc. short interest in 2026
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2026	10.12%	6.89
30 Jan 2026	9.63%	3.63
13 Feb 2026	11.85%	5.58
27 Feb 2026	12.37%	9.05
13 Mar 2026	12.53%	5.70	10-K filed, results (8-K)
31 Mar 2026	13.00%	8.08
15 Apr 2026	13.45%	12.63
30 Apr 2026	12.97%	12.13
15 May 2026	13.83%	3.19	10-Q filed, results (8-K)
29 May 2026	16.05%	4.50
15 Jun 2026	17.95%	6.96
30 Jun 2026	20.27%	3.19
15 Jul 2026	16.71%	3.29
31 Jul 2026	10.90%	3.79
14 Aug 2026	12.42%	7.77	10-Q filed, results (8-K)
31 Aug 2026	11.36%	4.87
15 Sep 2026	12.01%	7.66

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.