ARROWHEAD PHARMACEUTICALS, INC. short interest in 2018

In 2018, ARROWHEAD PHARMACEUTICALS, INC.'s disclosed short interest ran from 5.99% of shares outstanding on 12 Jan 2018 to 19.99% on 31 Dec 2018, a change of +14.00 percentage points. The year's high was 19.99% on 31 Dec 2018 and its low 5.03% on 31 Jan 2018, averaging 12.48% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 13.37 days on 30 Nov 2018. Full history: ARROWHEAD PHARMACEUTICALS, INC..

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Plain

Short position data for ARROWHEAD PHARMACEUTICALS, INC. short interest in 2018: FINRA, compiled by howshorted.com, settlement date 31 Dec 2018. https://howshorted.com/us/company/arwr/2018/

Wikipedia

<ref>{{cite web |title=ARROWHEAD PHARMACEUTICALS, INC. short interest in 2018 short position data |url=https://howshorted.com/us/company/arwr/2018/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2018-12-31 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-arrowhead-pharmaceuticals-inc-short-inte-2018-12-31,
  title        = {ARROWHEAD PHARMACEUTICALS, INC. short interest in 2018 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/arwr/2018/}},
  note         = {Data: FINRA, settlement date 31 Dec 2018; accessed 2026-10-13},
  year         = {2018}
}

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2018 in figures

Start of year: 5.99% (12 Jan 2018)
End of year: 19.99% (31 Dec 2018)
Change: +14.00 pp
High: 19.99% (31 Dec 2018)
Low: 5.03% (31 Jan 2018)
Average: 12.48%
Highest days to cover: 13.37 (30 Nov 2018)
SEC filings marked: 8

Every report in 2018

ARROWHEAD PHARMACEUTICALS, INC. short interest in 2018
Settlement	Short interest	Days to cover	Filings since previous
12 Jan 2018	5.99%	1.32
31 Jan 2018	5.03%	1.69
15 Feb 2018	5.39%	3.13	10-Q filed, results (8-K)
28 Feb 2018	5.35%	3.07
15 Mar 2018	6.07%	2.68
29 Mar 2018	7.72%	2.96
13 Apr 2018	8.82%	5.22
30 Apr 2018	9.08%	9.23
15 May 2018	7.23%	3.03	10-Q filed, results (8-K)
31 May 2018	7.28%	4.17
15 Jun 2018	8.53%	5.00
29 Jun 2018	13.16%	3.31
13 Jul 2018	14.08%	7.34
31 Jul 2018	15.53%	6.42
15 Aug 2018	15.72%	9.75	10-Q filed, results (8-K)
31 Aug 2018	16.47%	11.40
14 Sep 2018	16.45%	2.80
28 Sep 2018	17.48%	12.09
15 Oct 2018	19.47%	3.69
31 Oct 2018	18.36%	8.92
15 Nov 2018	18.71%	8.62
30 Nov 2018	19.55%	13.37
14 Dec 2018	18.01%	9.83	10-K filed, results (8-K)
31 Dec 2018	19.99%	9.09

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.