RHYTHM PHARMACEUTICALS, INC. short interest in 2021

In 2021, RHYTHM PHARMACEUTICALS, INC.'s disclosed short interest ran from 7.95% of shares outstanding on 15 Jan 2021 to 7.75% on 31 Dec 2021, a change of -0.20 percentage points. The year's high was 9.49% on 30 Jul 2021 and its low 6.10% on 15 Mar 2021, averaging 7.64% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 19.28 days on 31 Aug 2021. Full history: RHYTHM PHARMACEUTICALS, INC..

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Plain

Short position data for RHYTHM PHARMACEUTICALS, INC. short interest in 2021: FINRA, compiled by howshorted.com, settlement date 31 Dec 2021. https://howshorted.com/us/company/rytm/2021/

Wikipedia

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

BibTeX

@misc{howshorted-rhythm-pharmaceuticals-inc-short-interes-2021-12-31,
  title        = {RHYTHM PHARMACEUTICALS, INC. short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/rytm/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: 7.95% (15 Jan 2021)
End of year: 7.75% (31 Dec 2021)
Change: -0.20 pp
High: 9.49% (30 Jul 2021)
Low: 6.10% (15 Mar 2021)
Average: 7.64%
Highest days to cover: 19.28 (31 Aug 2021)
SEC filings marked: 9

Every report in 2021

RHYTHM PHARMACEUTICALS, INC. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	7.95%	10.19
29 Jan 2021	6.72%	5.32
12 Feb 2021	6.65%	5.56	results (8-K)
26 Feb 2021	6.19%	6.74
15 Mar 2021	6.10%	8.02	10-K filed, results (8-K)
31 Mar 2021	9.42%	7.18
15 Apr 2021	8.30%	10.97
30 Apr 2021	7.27%	12.62
14 May 2021	7.05%	14.00	10-Q filed, results (8-K)
28 May 2021	6.85%	13.02
15 Jun 2021	7.65%	10.56
30 Jun 2021	7.53%	7.27
15 Jul 2021	8.68%	13.74
30 Jul 2021	9.49%	17.36
13 Aug 2021	8.76%	8.95	10-Q filed, results (8-K)
31 Aug 2021	8.22%	19.28
15 Sep 2021	7.42%	17.52
30 Sep 2021	7.41%	15.32
15 Oct 2021	7.77%	11.59
29 Oct 2021	7.78%	11.82
15 Nov 2021	7.47%	13.95	10-Q filed, results (8-K)
30 Nov 2021	7.38%	10.19
15 Dec 2021	7.60%	10.98
31 Dec 2021	7.75%	8.17

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.