Zentalis Pharmaceuticals, Inc. short interest in 2021

In 2021, Zentalis Pharmaceuticals, Inc.'s disclosed short interest ran from 6.58% of shares outstanding on 15 Jan 2021 to 7.59% on 31 Dec 2021, a change of +1.01 percentage points. The year's high was 8.14% on 31 Mar 2021 and its low 4.99% on 31 Aug 2021, averaging 6.26% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 19.81 days on 29 Oct 2021. Full history: Zentalis Pharmaceuticals, Inc..

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Plain

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

Wikipedia

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

BibTeX

@misc{howshorted-zentalis-pharmaceuticals-inc-short-inter-2021-12-31,
  title        = {Zentalis Pharmaceuticals, Inc. short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/zntl/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: 6.58% (15 Jan 2021)
End of year: 7.59% (31 Dec 2021)
Change: +1.01 pp
High: 8.14% (31 Mar 2021)
Low: 4.99% (31 Aug 2021)
Average: 6.26%
Highest days to cover: 19.81 (29 Oct 2021)
SEC filings marked: 8

Every report in 2021

Zentalis Pharmaceuticals, Inc. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	6.58%	9.65
29 Jan 2021	6.48%	10.44
12 Feb 2021	5.48%	14.37
26 Feb 2021	6.79%	11.17
15 Mar 2021	6.72%	10.69
31 Mar 2021	8.14%	12.54	10-K filed, results (8-K)
15 Apr 2021	7.72%	8.38
30 Apr 2021	5.44%	7.95
14 May 2021	6.16%	8.16
28 May 2021	6.03%	9.67	10-Q filed, results (8-K)
15 Jun 2021	5.85%	8.48
30 Jun 2021	5.73%	5.25
15 Jul 2021	5.56%	7.69
30 Jul 2021	5.75%	10.37
13 Aug 2021	5.16%	14.57	10-Q filed, results (8-K)
31 Aug 2021	4.99%	8.87
15 Sep 2021	5.12%	10.26
30 Sep 2021	5.53%	6.58
15 Oct 2021	6.04%	11.47
29 Oct 2021	6.34%	19.81
15 Nov 2021	6.49%	13.78	10-Q filed, results (8-K)
30 Nov 2021	6.91%	14.39
15 Dec 2021	7.74%	10.17
31 Dec 2021	7.59%	12.43

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.