Geron Corporation short interest in 2021

In 2021, Geron Corporation's disclosed short interest ran from 11.97% of shares outstanding on 15 Jan 2021 to 5.44% on 31 Dec 2021, a change of -6.53 percentage points. The year's high was 11.97% on 15 Jan 2021 and its low 5.44% on 30 Nov 2021, averaging 8.05% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 22.74 days on 28 May 2021. Full history: Geron Corporation.

Cite this page

Plain

Short position data for Geron Corporation short interest in 2021: FINRA, compiled by howshorted.com, settlement date 31 Dec 2021. https://howshorted.com/us/company/gern/2021/

Wikipedia

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

BibTeX

@misc{howshorted-geron-corporation-short-interest-in-2021-2021-12-31,
  title        = {Geron Corporation short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/gern/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: 11.97% (15 Jan 2021)
End of year: 5.44% (31 Dec 2021)
Change: -6.53 pp
High: 11.97% (15 Jan 2021)
Low: 5.44% (30 Nov 2021)
Average: 8.05%
Highest days to cover: 22.74 (28 May 2021)
SEC filings marked: 9

Every report in 2021

Geron Corporation short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	11.97%	16.04	results (8-K)
29 Jan 2021	11.91%	14.22
12 Feb 2021	11.72%	6.46
26 Feb 2021	11.73%	8.28
15 Mar 2021	11.29%	10.43	10-K filed, results (8-K)
31 Mar 2021	8.65%	7.78
15 Apr 2021	8.61%	15.68
30 Apr 2021	8.15%	16.65
14 May 2021	8.61%	15.12	10-Q filed, results (8-K)
28 May 2021	8.43%	22.74
15 Jun 2021	8.02%	16.98
30 Jun 2021	7.28%	1.00
15 Jul 2021	7.52%	9.32
30 Jul 2021	7.63%	12.39
13 Aug 2021	7.82%	15.50
31 Aug 2021	7.18%	11.50	10-Q filed, results (8-K)
15 Sep 2021	6.37%	13.28
30 Sep 2021	5.67%	9.11
15 Oct 2021	6.08%	13.38
29 Oct 2021	5.85%	11.90
15 Nov 2021	5.83%	8.53	10-Q filed, results (8-K)
30 Nov 2021	5.44%	9.12
15 Dec 2021	6.04%	9.61
31 Dec 2021	5.44%	6.62

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.