Ambarella, Inc. short interest in 2021

In 2021, Ambarella, Inc.'s disclosed short interest ran from 6.02% of shares outstanding on 15 Jan 2021 to 3.26% on 31 Dec 2021, a change of -2.76 percentage points. The year's high was 6.26% on 15 Mar 2021 and its low 3.26% on 31 Dec 2021, averaging 4.48% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 6.41 days on 30 Apr 2021. Full history: Ambarella, Inc..

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Plain

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

Wikipedia

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

BibTeX

@misc{howshorted-ambarella-inc-short-interest-in-2021-2021-12-31,
  title        = {Ambarella, Inc. short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/amba/2021/}},
  note         = {Data: FINRA, settlement date 31 Dec 2021; accessed 2026-10-13},
  year         = {2021}
}

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

2021 in figures

Start of year: 6.02% (15 Jan 2021)
End of year: 3.26% (31 Dec 2021)
Change: -2.76 pp
High: 6.26% (15 Mar 2021)
Low: 3.26% (31 Dec 2021)
Average: 4.48%
Highest days to cover: 6.41 (30 Apr 2021)
SEC filings marked: 8

Every report in 2021

Ambarella, Inc. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	6.02%	2.67
29 Jan 2021	6.01%	2.91
12 Feb 2021	6.07%	3.48
26 Feb 2021	5.74%	3.85
15 Mar 2021	6.26%	2.23	results (8-K)
31 Mar 2021	5.11%	3.42	10-K filed
15 Apr 2021	4.45%	5.38
30 Apr 2021	4.34%	6.41
14 May 2021	4.17%	3.52
28 May 2021	4.50%	3.72
15 Jun 2021	4.12%	2.90	results (8-K), 10-Q filed
30 Jun 2021	3.96%	2.68
15 Jul 2021	3.82%	5.44
30 Jul 2021	3.98%	5.85
13 Aug 2021	3.50%	6.11
31 Aug 2021	3.79%	5.16	results (8-K)
15 Sep 2021	4.73%	1.14	10-Q filed
30 Sep 2021	4.09%	1.76
15 Oct 2021	3.94%	2.32
29 Oct 2021	4.33%	2.62
15 Nov 2021	3.68%	2.24
30 Nov 2021	3.38%	1.92	results (8-K)
15 Dec 2021	4.28%	1.28	10-Q filed
31 Dec 2021	3.26%	1.89

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.