iRhythm Holdings, Inc. short interest in 2021

In 2021, iRhythm Holdings, Inc.'s disclosed short interest ran from 14.08% of shares outstanding on 15 Jan 2021 to 3.09% on 31 Dec 2021, a change of -10.99 percentage points. The year's high was 14.08% on 15 Jan 2021 and its low 2.75% on 30 Nov 2021, averaging 7.10% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 13.10 days on 15 Jan 2021. Full history: iRhythm Holdings, Inc..

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Plain

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

Wikipedia

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

BibTeX

@misc{howshorted-irhythm-holdings-inc-short-interest-in-2-2021-12-31,
  title        = {iRhythm Holdings, Inc. short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/irtc/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: 14.08% (15 Jan 2021)
End of year: 3.09% (31 Dec 2021)
Change: -10.99 pp
High: 14.08% (15 Jan 2021)
Low: 2.75% (30 Nov 2021)
Average: 7.10%
Highest days to cover: 13.10 (15 Jan 2021)
SEC filings marked: 9

Every report in 2021

iRhythm Holdings, Inc. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	14.08%	13.10
29 Jan 2021	12.08%	9.29
12 Feb 2021	11.98%	5.53
26 Feb 2021	11.40%	6.81	results (8-K), 10-K filed
15 Mar 2021	9.72%	5.36
31 Mar 2021	9.73%	7.01
15 Apr 2021	8.04%	1.79	results (8-K)
30 Apr 2021	8.16%	3.76
14 May 2021	7.68%	3.86	results (8-K), 10-Q filed
28 May 2021	7.73%	5.46
15 Jun 2021	6.18%	1.86
30 Jun 2021	7.56%	4.01
15 Jul 2021	7.34%	4.49
30 Jul 2021	6.57%	5.96
13 Aug 2021	5.52%	4.07	results (8-K), 10-Q filed
31 Aug 2021	5.80%	7.20
15 Sep 2021	5.62%	1.96
30 Sep 2021	3.51%	2.42
15 Oct 2021	4.11%	3.83
29 Oct 2021	4.04%	5.26
15 Nov 2021	4.49%	1.28	results (8-K), 10-Q filed
30 Nov 2021	2.75%	2.14
15 Dec 2021	3.33%	3.18
31 Dec 2021	3.09%	1.85

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.