Puma Biotechnology Inc short interest in 2026

In 2026, Puma Biotechnology Inc's disclosed short interest ran from 7.13% of shares outstanding on 15 Jan 2026 to 8.37% on 15 Sep 2026, a change of +1.24 percentage points. The year's high was 8.37% on 15 Sep 2026 and its low 6.91% on 30 Jan 2026, averaging 7.75% across 17 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 19.73 days on 29 May 2026. Full history: Puma Biotechnology Inc.

Cite this page

Plain

Short position data for Puma Biotechnology Inc short interest in 2026: FINRA, compiled by howshorted.com, settlement date 15 Sep 2026. https://howshorted.com/us/company/pbyi/2026/

Wikipedia

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

BibTeX

@misc{howshorted-puma-biotechnology-inc-short-interest-in-2026-09-15,
  title        = {Puma Biotechnology Inc short interest in 2026 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/pbyi/2026/}},
  note         = {Data: FINRA, settlement date 15 Sep 2026; accessed 2026-10-13},
  year         = {2026}
}

By year: 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026

2026 in figures

Start of year: 7.13% (15 Jan 2026)
End of year: 8.37% (15 Sep 2026)
Change: +1.24 pp
High: 8.37% (15 Sep 2026)
Low: 6.91% (30 Jan 2026)
Average: 7.75%
Highest days to cover: 19.73 (29 May 2026)
SEC filings marked: 6

Every report in 2026

Puma Biotechnology Inc short interest in 2026
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2026	7.13%	9.89
30 Jan 2026	6.91%	7.79
13 Feb 2026	7.27%	8.52
27 Feb 2026	7.47%	7.50	10-K filed, results (8-K)
13 Mar 2026	8.15%	8.79
31 Mar 2026	7.81%	16.64
15 Apr 2026	8.25%	12.60
30 Apr 2026	8.15%	18.59
15 May 2026	8.24%	11.79	10-Q filed, results (8-K)
29 May 2026	7.47%	19.73
15 Jun 2026	7.27%	18.41
30 Jun 2026	7.13%	8.47
15 Jul 2026	7.68%	10.65
31 Jul 2026	8.11%	13.89
14 Aug 2026	8.07%	11.39	10-Q filed, results (8-K)
31 Aug 2026	8.28%	15.62
15 Sep 2026	8.37%	13.80

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.