Ambarella, Inc. short interest in 2025
In 2025, Ambarella, Inc.'s disclosed short interest ran from 3.57% of shares outstanding on 15 Jan 2025 to 5.12% on 31 Dec 2025, a change of +1.55 percentage points. The year's high was 6.53% on 28 Nov 2025 and its low 3.04% on 15 May 2025, averaging 4.36% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 4.56 days on 15 Aug 2025. Full history: Ambarella, Inc..
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2025 in figures
- Start of year
- 3.57% (15 Jan 2025)
- End of year
- 5.12% (31 Dec 2025)
- Change
- +1.55 pp
- High
- 6.53% (28 Nov 2025)
- Low
- 3.04% (15 May 2025)
- Average
- 4.36%
- Highest days to cover
- 4.56 (15 Aug 2025)
- SEC filings marked
- 8
Every report in 2025
| Settlement | Short interest | Days to cover | Filings since previous |
|---|---|---|---|
| 15 Jan 2025 | 3.57% | 1.93 | |
| 31 Jan 2025 | 3.73% | 2.39 | |
| 14 Feb 2025 | 4.52% | 3.96 | |
| 28 Feb 2025 | 4.67% | 1.36 | results (8-K) |
| 14 Mar 2025 | 3.30% | 1.14 | |
| 31 Mar 2025 | 3.85% | 2.68 | 10-K filed |
| 15 Apr 2025 | 3.18% | 1.61 | |
| 30 Apr 2025 | 3.20% | 1.90 | |
| 15 May 2025 | 3.04% | 2.32 | |
| 30 May 2025 | 3.48% | 1.30 | results (8-K) |
| 13 Jun 2025 | 3.63% | 1.56 | 10-Q filed |
| 30 Jun 2025 | 5.07% | 1.31 | |
| 15 Jul 2025 | 4.88% | 3.27 | |
| 31 Jul 2025 | 5.12% | 4.00 | |
| 15 Aug 2025 | 5.20% | 4.56 | |
| 29 Aug 2025 | 4.88% | 1.50 | results (8-K) |
| 15 Sep 2025 | 4.62% | 2.37 | 10-Q filed |
| 30 Sep 2025 | 4.69% | 2.39 | |
| 15 Oct 2025 | 4.31% | 3.19 | |
| 31 Oct 2025 | 4.00% | 4.50 | |
| 14 Nov 2025 | 4.52% | 2.47 | |
| 28 Nov 2025 | 6.53% | 2.05 | results (8-K) |
| 15 Dec 2025 | 5.54% | 2.34 | 10-Q filed |
| 31 Dec 2025 | 5.12% | 3.78 |
See also: Ambarella, Inc.'s full history · most shorted US stocks of 2025 · today's US league.
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.