Apellis Pharmaceuticals, Inc. short interest in 2020

In 2020, Apellis Pharmaceuticals, Inc.'s disclosed short interest ran from 13.32% of shares outstanding on 15 Jul 2020 to 11.93% on 31 Dec 2020, a change of -1.39 percentage points. The year's high was 14.41% on 30 Sep 2020 and its low 11.14% on 15 Dec 2020, averaging 13.15% across 12 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 24.90 days on 31 Aug 2020. Full history: Apellis Pharmaceuticals, Inc..

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Plain

Short position data for Apellis Pharmaceuticals, Inc. short interest in 2020: FINRA, compiled by howshorted.com, settlement date 31 Dec 2020. https://howshorted.com/us/company/apls-2026/2020/

Wikipedia

<ref>{{cite web |title=Apellis Pharmaceuticals, Inc. short interest in 2020 short position data |url=https://howshorted.com/us/company/apls-2026/2020/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2020-12-31 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-apellis-pharmaceuticals-inc-short-intere-2020-12-31,
  title        = {Apellis Pharmaceuticals, Inc. short interest in 2020 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/apls-2026/2020/}},
  note         = {Data: FINRA, settlement date 31 Dec 2020; accessed 2026-10-13},
  year         = {2020}
}

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2020 in figures

Start of year: 13.32% (15 Jul 2020)
End of year: 11.93% (31 Dec 2020)
Change: -1.39 pp
High: 14.41% (30 Sep 2020)
Low: 11.14% (15 Dec 2020)
Average: 13.15%
Highest days to cover: 24.90 (31 Aug 2020)
SEC filings marked: 5

Every report in 2020

Apellis Pharmaceuticals, Inc. short interest in 2020
Settlement	Short interest	Days to cover	Filings since previous
15 Jul 2020	13.32%	19.12	results (8-K), 10-K filed, 10-Q filed
31 Jul 2020	13.41%	12.59	10-Q filed
14 Aug 2020	13.50%	18.14
31 Aug 2020	13.63%	24.90
15 Sep 2020	13.89%	21.05
30 Sep 2020	14.41%	19.37
15 Oct 2020	14.08%	21.86
30 Oct 2020	13.46%	21.78
13 Nov 2020	13.12%	17.20	10-Q filed
30 Nov 2020	11.94%	14.97
15 Dec 2020	11.14%	10.97
31 Dec 2020	11.93%	12.93

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.