Korro Bio, Inc. short interest in 2021

In 2021, Korro Bio, Inc.'s disclosed short interest ran from 12.40% of shares outstanding on 15 Jan 2021 to 10.36% on 31 Dec 2021, a change of -2.04 percentage points. The year's high was 23.28% on 31 Mar 2021 and its low 10.36% on 31 Dec 2021, averaging 14.70% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 37.57 days on 15 Sep 2021. Full history: Korro Bio, Inc..

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Plain

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

Wikipedia

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

BibTeX

@misc{howshorted-korro-bio-inc-short-interest-in-2021-2021-12-31,
  title        = {Korro Bio, Inc. short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/krro/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: 12.40% (15 Jan 2021)
End of year: 10.36% (31 Dec 2021)
Change: -2.04 pp
High: 23.28% (31 Mar 2021)
Low: 10.36% (31 Dec 2021)
Average: 14.70%
Highest days to cover: 37.57 (15 Sep 2021)
SEC filings marked: 10

Every report in 2021

Korro Bio, Inc. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	12.40%	21.21
29 Jan 2021	12.12%	17.04
12 Feb 2021	11.65%	15.38
26 Feb 2021	15.76%	20.91
15 Mar 2021	12.34%	11.91
31 Mar 2021	23.28%	2.05	results (8-K), 10-K filed, results (8-K)
15 Apr 2021	17.80%	2.55
30 Apr 2021	14.95%	7.43
14 May 2021	15.93%	9.33	10-Q filed, results (8-K)
28 May 2021	17.86%	12.16
15 Jun 2021	17.49%	18.45
30 Jun 2021	16.00%	7.32
15 Jul 2021	16.72%	17.58
30 Jul 2021	16.59%	27.92
13 Aug 2021	15.57%	28.66	10-Q filed, results (8-K)
31 Aug 2021	14.64%	24.86
15 Sep 2021	14.84%	37.57
30 Sep 2021	13.47%	17.05
15 Oct 2021	13.33%	35.96
29 Oct 2021	12.58%	33.66
15 Nov 2021	13.29%	23.39	results (8-K), 10-Q filed, results (8-K)
30 Nov 2021	12.43%	20.57
15 Dec 2021	11.47%	15.82
31 Dec 2021	10.36%	16.92

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.