ARROWHEAD PHARMACEUTICALS, INC. short interest in 2021

In 2021, ARROWHEAD PHARMACEUTICALS, INC.'s disclosed short interest ran from 5.11% of shares outstanding on 15 Jan 2021 to 2.56% on 31 Dec 2021, a change of -2.55 percentage points. The year's high was 5.11% on 15 Jan 2021 and its low 2.56% on 31 Dec 2021, averaging 3.78% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 10.33 days on 15 Apr 2021. Full history: ARROWHEAD PHARMACEUTICALS, INC..

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Plain

Short position data for ARROWHEAD PHARMACEUTICALS, INC. short interest in 2021: FINRA, compiled by howshorted.com, settlement date 31 Dec 2021. https://howshorted.com/us/company/arwr/2021/

Wikipedia

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

BibTeX

@misc{howshorted-arrowhead-pharmaceuticals-inc-short-inte-2021-12-31,
  title        = {ARROWHEAD PHARMACEUTICALS, INC. short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/arwr/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: 5.11% (15 Jan 2021)
End of year: 2.56% (31 Dec 2021)
Change: -2.55 pp
High: 5.11% (15 Jan 2021)
Low: 2.56% (31 Dec 2021)
Average: 3.78%
Highest days to cover: 10.33 (15 Apr 2021)
SEC filings marked: 8

Every report in 2021

ARROWHEAD PHARMACEUTICALS, INC. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	5.11%	6.07
29 Jan 2021	4.85%	7.91
12 Feb 2021	4.83%	6.72	10-Q filed, results (8-K)
26 Feb 2021	4.96%	7.43
15 Mar 2021	4.94%	5.91
31 Mar 2021	4.69%	6.18
15 Apr 2021	4.62%	10.33
30 Apr 2021	4.46%	8.41
14 May 2021	4.62%	7.08	10-Q filed, results (8-K)
28 May 2021	4.63%	8.73
15 Jun 2021	4.27%	5.02
30 Jun 2021	3.54%	4.09
15 Jul 2021	3.19%	2.05
30 Jul 2021	3.34%	5.61
13 Aug 2021	2.97%	4.00	10-Q filed, results (8-K)
31 Aug 2021	2.98%	6.62
15 Sep 2021	2.79%	7.24
30 Sep 2021	3.07%	5.44
15 Oct 2021	2.78%	5.83
29 Oct 2021	2.78%	8.08
15 Nov 2021	2.90%	4.43
30 Nov 2021	2.73%	3.44	10-K filed, results (8-K)
15 Dec 2021	3.02%	4.86
31 Dec 2021	2.56%	4.20

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.