RHYTHM PHARMACEUTICALS, INC. short interest in 2026

In 2026, RHYTHM PHARMACEUTICALS, INC.'s disclosed short interest ran from 9.42% of shares outstanding on 15 Jan 2026 to 14.94% on 15 Sep 2026, a change of +5.52 percentage points. The year's high was 14.96% on 31 Aug 2026 and its low 9.02% on 13 Feb 2026, averaging 12.01% across 17 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 21.89 days on 31 Aug 2026. Full history: RHYTHM PHARMACEUTICALS, INC..

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Plain

Short position data for RHYTHM PHARMACEUTICALS, INC. short interest in 2026: FINRA, compiled by howshorted.com, settlement date 15 Sep 2026. https://howshorted.com/us/company/rytm/2026/

Wikipedia

<ref>{{cite web |title=RHYTHM PHARMACEUTICALS, INC. short interest in 2026 short position data |url=https://howshorted.com/us/company/rytm/2026/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2026-09-15 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-rhythm-pharmaceuticals-inc-short-interes-2026-09-15,
  title        = {RHYTHM PHARMACEUTICALS, INC. short interest in 2026 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/rytm/2026/}},
  note         = {Data: FINRA, settlement date 15 Sep 2026; accessed 2026-10-13},
  year         = {2026}
}

By year: 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026

2026 in figures

Start of year: 9.42% (15 Jan 2026)
End of year: 14.94% (15 Sep 2026)
Change: +5.52 pp
High: 14.96% (31 Aug 2026)
Low: 9.02% (13 Feb 2026)
Average: 12.01%
Highest days to cover: 21.89 (31 Aug 2026)
SEC filings marked: 7

Every report in 2026

RHYTHM PHARMACEUTICALS, INC. short interest in 2026
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2026	9.42%	9.87	results (8-K)
30 Jan 2026	9.35%	11.80
13 Feb 2026	9.02%	7.90
27 Feb 2026	9.47%	9.10	10-K filed, results (8-K)
13 Mar 2026	9.79%	7.59
31 Mar 2026	11.43%	5.93
15 Apr 2026	11.73%	12.81
30 Apr 2026	12.07%	14.55
15 May 2026	12.09%	8.28	10-Q filed, results (8-K)
29 May 2026	11.54%	14.78
15 Jun 2026	11.68%	11.58
30 Jun 2026	14.10%	7.57
15 Jul 2026	13.97%	13.74
31 Jul 2026	13.78%	16.17
14 Aug 2026	14.75%	12.24	10-Q filed, results (8-K)
31 Aug 2026	14.96%	21.89
15 Sep 2026	14.94%	20.06

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.