Ultra Clean Holdings, Inc. short interest in 2026

In 2026, Ultra Clean Holdings, Inc.'s disclosed short interest ran from 5.60% of shares outstanding on 15 Jan 2026 to 7.99% on 15 Sep 2026, a change of +2.39 percentage points. The year's high was 7.99% on 15 Sep 2026 and its low 4.66% on 13 Feb 2026, averaging 6.57% across 17 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 4.39 days on 15 Sep 2026. Full history: Ultra Clean Holdings, Inc..

Cite this page

Plain

Short position data for Ultra Clean Holdings, Inc. short interest in 2026: FINRA, compiled by howshorted.com, settlement date 15 Sep 2026. https://howshorted.com/us/company/uctt/2026/

Wikipedia

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

BibTeX

@misc{howshorted-ultra-clean-holdings-inc-short-interest--2026-09-15,
  title        = {Ultra Clean Holdings, Inc. short interest in 2026 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/uctt/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: 5.60% (15 Jan 2026)
End of year: 7.99% (15 Sep 2026)
Change: +2.39 pp
High: 7.99% (15 Sep 2026)
Low: 4.66% (13 Feb 2026)
Average: 6.57%
Highest days to cover: 4.39 (15 Sep 2026)
SEC filings marked: 4

Every report in 2026

Ultra Clean Holdings, Inc. short interest in 2026
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2026	5.60%	2.03
30 Jan 2026	5.10%	2.19
13 Feb 2026	4.66%	1.76
27 Feb 2026	5.56%	1.03	10-K filed
13 Mar 2026	6.68%	2.09
31 Mar 2026	6.33%	2.59
15 Apr 2026	5.77%	2.92
30 Apr 2026	5.41%	2.45	10-Q filed
15 May 2026	6.52%	2.66
29 May 2026	6.86%	2.99
15 Jun 2026	7.81%	2.68
30 Jun 2026	7.19%	2.05
15 Jul 2026	7.93%	2.16
31 Jul 2026	7.38%	2.43
14 Aug 2026	6.97%	2.29	results (8-K), 10-Q filed
31 Aug 2026	7.98%	4.16
15 Sep 2026	7.99%	4.39

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.