LA JOLLA PHARMACEUTICAL CO short interest in 2021

In 2021, LA JOLLA PHARMACEUTICAL CO's disclosed short interest ran from 11.46% of shares outstanding on 15 Jan 2021 to 2.48% on 31 Dec 2021, a change of -8.98 percentage points. The year's high was 11.46% on 15 Jan 2021 and its low 1.02% on 15 Nov 2021, averaging 6.72% across 23 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 17.88 days on 15 Apr 2021. Full history: LA JOLLA PHARMACEUTICAL CO.

Cite this page

Plain

Short position data for LA JOLLA PHARMACEUTICAL CO short interest in 2021: FINRA, compiled by howshorted.com, settlement date 31 Dec 2021. https://howshorted.com/us/company/ljpc-2022/2021/

Wikipedia

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

BibTeX

@misc{howshorted-la-jolla-pharmaceutical-co-short-interes-2021-12-31,
  title        = {LA JOLLA PHARMACEUTICAL CO short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/ljpc-2022/2021/}},
  note         = {Data: FINRA, settlement date 31 Dec 2021; accessed 2026-10-13},
  year         = {2021}
}

By year: 2018 · 2019 · 2020 · 2021 · 2022

2021 in figures

Start of year: 11.46% (15 Jan 2021)
End of year: 2.48% (31 Dec 2021)
Change: -8.98 pp
High: 11.46% (15 Jan 2021)
Low: 1.02% (15 Nov 2021)
Average: 6.72%
Highest days to cover: 17.88 (15 Apr 2021)
SEC filings marked: 4

Every report in 2021

LA JOLLA PHARMACEUTICAL CO short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	11.46%	1.00
29 Jan 2021	9.73%	4.94
12 Feb 2021	8.74%	5.07
26 Feb 2021	9.36%	8.88
15 Mar 2021	10.89%	10.70	10-K filed
31 Mar 2021	10.92%	13.55
15 Apr 2021	11.13%	17.88
30 Apr 2021	9.23%	14.95
14 May 2021	8.51%	12.14	10-Q filed
28 May 2021	8.90%	8.81
15 Jun 2021	8.54%	7.39
30 Jun 2021	6.57%	3.99
15 Jul 2021	6.29%	10.17
30 Jul 2021	6.13%	16.89
13 Aug 2021	5.69%	8.81	10-Q filed
31 Aug 2021	5.06%	13.33
15 Sep 2021	5.15%	16.43
30 Sep 2021	5.07%	14.58
29 Oct 2021	1.09%	4.07
15 Nov 2021	1.02%	3.76	10-Q filed
30 Nov 2021	1.05%	1.38
15 Dec 2021	1.55%	2.20
31 Dec 2021	2.48%	6.37

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.