Keros Therapeutics, Inc. short interest in 2021

In 2021, Keros Therapeutics, Inc.'s disclosed short interest ran from 3.13% of shares outstanding on 15 Jan 2021 to 3.49% on 31 Dec 2021, a change of +0.36 percentage points. The year's high was 4.65% on 14 May 2021 and its low 3.06% on 29 Jan 2021, averaging 3.89% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 12.83 days on 28 May 2021. Full history: Keros Therapeutics, Inc..

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Plain

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

Wikipedia

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

BibTeX

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

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

2021 in figures

Start of year: 3.13% (15 Jan 2021)
End of year: 3.49% (31 Dec 2021)
Change: +0.36 pp
High: 4.65% (14 May 2021)
Low: 3.06% (29 Jan 2021)
Average: 3.89%
Highest days to cover: 12.83 (28 May 2021)
SEC filings marked: 8

Every report in 2021

Keros Therapeutics, Inc. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	3.13%	5.02
29 Jan 2021	3.06%	5.34
12 Feb 2021	3.42%	6.87
26 Feb 2021	3.41%	7.78
15 Mar 2021	3.48%	7.81
31 Mar 2021	4.45%	8.01	10-K filed, results (8-K)
15 Apr 2021	4.47%	6.09
30 Apr 2021	4.24%	12.79
14 May 2021	4.65%	6.28	10-Q filed, results (8-K)
28 May 2021	4.29%	12.83
15 Jun 2021	3.60%	8.92
30 Jun 2021	3.76%	3.84
15 Jul 2021	4.00%	8.62
30 Jul 2021	4.22%	10.42
13 Aug 2021	4.27%	12.17	10-Q filed, results (8-K)
31 Aug 2021	3.82%	12.06
15 Sep 2021	3.66%	6.43
30 Sep 2021	4.43%	2.19
15 Oct 2021	4.29%	8.40
29 Oct 2021	4.32%	11.31
15 Nov 2021	3.37%	3.92	10-Q filed, results (8-K)
30 Nov 2021	3.48%	6.23
15 Dec 2021	3.96%	4.19
31 Dec 2021	3.49%	4.61

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.