Gossamer Bio, Inc. short interest in 2021

In 2021, Gossamer Bio, Inc.'s disclosed short interest ran from 9.94% of shares outstanding on 15 Jan 2021 to 14.34% on 31 Dec 2021, a change of +4.40 percentage points. The year's high was 14.82% on 15 Apr 2021 and its low 8.49% on 29 Jan 2021, averaging 12.75% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 33.05 days on 30 Apr 2021. Full history: Gossamer Bio, Inc..

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Plain

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

Wikipedia

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

BibTeX

@misc{howshorted-gossamer-bio-inc-short-interest-in-2021-2021-12-31,
  title        = {Gossamer Bio, Inc. short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/goss/2021/}},
  note         = {Data: FINRA, settlement date 31 Dec 2021; accessed 2026-10-13},
  year         = {2021}
}

By year: 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026

2021 in figures

Start of year: 9.94% (15 Jan 2021)
End of year: 14.34% (31 Dec 2021)
Change: +4.40 pp
High: 14.82% (15 Apr 2021)
Low: 8.49% (29 Jan 2021)
Average: 12.75%
Highest days to cover: 33.05 (30 Apr 2021)
SEC filings marked: 8

Every report in 2021

Gossamer Bio, Inc. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	9.94%	16.47
29 Jan 2021	8.49%	11.50
12 Feb 2021	10.08%	12.51
26 Feb 2021	10.44%	10.95	results (8-K), 10-K filed
15 Mar 2021	11.09%	11.50
31 Mar 2021	14.64%	17.10
15 Apr 2021	14.82%	20.89
30 Apr 2021	14.34%	33.05
14 May 2021	13.81%	21.20	10-Q filed, results (8-K)
28 May 2021	13.70%	20.09
15 Jun 2021	13.86%	27.06
30 Jun 2021	13.04%	12.15
15 Jul 2021	13.46%	27.21
30 Jul 2021	14.61%	28.25
13 Aug 2021	13.88%	20.31	10-Q filed, results (8-K)
31 Aug 2021	13.15%	19.30
15 Sep 2021	12.71%	19.95
30 Sep 2021	12.19%	11.95
15 Oct 2021	11.89%	18.65
29 Oct 2021	11.99%	20.68
15 Nov 2021	13.16%	17.11	10-Q filed, results (8-K)
30 Nov 2021	13.12%	26.42
15 Dec 2021	13.29%	16.73
31 Dec 2021	14.34%	18.99

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.