Emergent Biosolutions, Inc. short interest in 2021

In 2021, Emergent Biosolutions, Inc.'s disclosed short interest ran from 4.93% of shares outstanding on 15 Jan 2021 to 6.19% on 31 Dec 2021, a change of +1.26 percentage points. The year's high was 7.03% on 30 Apr 2021 and its low 3.02% on 15 Nov 2021, averaging 5.62% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 9.46 days on 31 Aug 2021. Full history: Emergent Biosolutions, Inc..

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Plain

Short position data for Emergent Biosolutions, Inc. short interest in 2021: FINRA, compiled by howshorted.com, settlement date 31 Dec 2021. https://howshorted.com/us/company/ebs/2021/

Wikipedia

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

BibTeX

@misc{howshorted-emergent-biosolutions-inc-short-interest-2021-12-31,
  title        = {Emergent Biosolutions, Inc. short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/ebs/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: 4.93% (15 Jan 2021)
End of year: 6.19% (31 Dec 2021)
Change: +1.26 pp
High: 7.03% (30 Apr 2021)
Low: 3.02% (15 Nov 2021)
Average: 5.62%
Highest days to cover: 9.46 (31 Aug 2021)
SEC filings marked: 9

Every report in 2021

Emergent Biosolutions, Inc. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	4.93%	5.15	results (8-K)
29 Jan 2021	4.49%	5.54
12 Feb 2021	4.49%	4.91
26 Feb 2021	4.66%	3.31	results (8-K), 10-K filed
15 Mar 2021	4.91%	4.13
31 Mar 2021	4.88%	5.28
15 Apr 2021	6.52%	2.80
30 Apr 2021	7.03%	3.63	results (8-K), 10-Q filed
14 May 2021	6.00%	5.21
28 May 2021	5.12%	5.66
15 Jun 2021	5.55%	4.13
30 Jun 2021	6.68%	3.74
15 Jul 2021	6.99%	8.46
30 Jul 2021	6.93%	7.11	results (8-K), 10-Q filed
13 Aug 2021	6.60%	9.31
31 Aug 2021	6.20%	9.46
15 Sep 2021	5.95%	9.08
30 Sep 2021	6.08%	6.86
15 Oct 2021	5.99%	9.06
29 Oct 2021	5.68%	8.17
15 Nov 2021	3.02%	1.17	results (8-K), 10-Q filed
30 Nov 2021	4.92%	1.35
15 Dec 2021	5.10%	3.27
31 Dec 2021	6.19%	3.75

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.