Biolase, Inc. short interest in 2021

In 2021, Biolase, Inc.'s disclosed short interest ran from 5.69% of shares outstanding on 31 Mar 2021 to 4.34% on 31 Dec 2021, a change of -1.35 percentage points. The year's high was 5.69% on 31 Mar 2021 and its low 2.59% on 15 Jul 2021, averaging 3.95% across 19 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 4.33 days on 30 Sep 2021. Full history: Biolase, Inc..

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Plain

Short position data for Biolase, Inc. short interest in 2021: FINRA, compiled by howshorted.com, settlement date 31 Dec 2021. https://howshorted.com/us/company/biolq-2025/2021/

Wikipedia

<ref>{{cite web |title=Biolase, Inc. short interest in 2021 short position data |url=https://howshorted.com/us/company/biolq-2025/2021/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2021-12-31 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-biolase-inc-short-interest-in-2021-2021-12-31,
  title        = {Biolase, Inc. short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/biolq-2025/2021/}},
  note         = {Data: FINRA, settlement date 31 Dec 2021; accessed 2026-10-13},
  year         = {2021}
}

By year: 2018 · 2019 · 2020 · 2021 · 2022 · 2023

2021 in figures

Start of year: 5.69% (31 Mar 2021)
End of year: 4.34% (31 Dec 2021)
Change: -1.35 pp
High: 5.69% (31 Mar 2021)
Low: 2.59% (15 Jul 2021)
Average: 3.95%
Highest days to cover: 4.33 (30 Sep 2021)
SEC filings marked: 8

Every report in 2021

Biolase, Inc. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
31 Mar 2021	5.69%	1.61	results (8-K), 10-K filed
15 Apr 2021	5.57%	1.00
30 Apr 2021	5.30%	2.33
14 May 2021	4.02%	2.25	10-Q filed, results (8-K)
28 May 2021	4.16%	2.31
15 Jun 2021	3.51%	1.20
30 Jun 2021	3.29%	2.43
15 Jul 2021	2.59%	2.55
30 Jul 2021	2.89%	3.51
13 Aug 2021	2.87%	1.00	results (8-K), 10-Q filed
31 Aug 2021	3.96%	1.11
15 Sep 2021	3.84%	3.19
30 Sep 2021	3.76%	4.33
15 Oct 2021	3.54%	3.88
29 Oct 2021	3.48%	3.47
15 Nov 2021	3.80%	2.00	10-Q filed, results (8-K)
30 Nov 2021	4.45%	1.41
15 Dec 2021	3.91%	1.76
31 Dec 2021	4.34%	1.23

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.