Gossamer Bio, Inc. short interest in 2025
In 2025, Gossamer Bio, Inc.'s disclosed short interest ran from 2.76% of shares outstanding on 15 Jan 2025 to 10.42% on 31 Dec 2025, a change of +7.66 percentage points. The year's high was 12.05% on 30 Sep 2025 and its low 2.47% on 28 Feb 2025, averaging 6.94% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 11.65 days on 15 Jul 2025. Full history: Gossamer Bio, Inc..
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By year: 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026
2025 in figures
- Start of year
- 2.76% (15 Jan 2025)
- End of year
- 10.42% (31 Dec 2025)
- Change
- +7.66 pp
- High
- 12.05% (30 Sep 2025)
- Low
- 2.47% (28 Feb 2025)
- Average
- 6.94%
- Highest days to cover
- 11.65 (15 Jul 2025)
- SEC filings marked
- 8
Every report in 2025
| Settlement | Short interest | Days to cover | Filings since previous |
|---|---|---|---|
| 15 Jan 2025 | 2.76% | 4.79 | |
| 31 Jan 2025 | 2.56% | 8.86 | |
| 14 Feb 2025 | 2.52% | 2.91 | |
| 28 Feb 2025 | 2.47% | 2.90 | |
| 14 Mar 2025 | 2.53% | 3.90 | 10-K filed, results (8-K) |
| 31 Mar 2025 | 3.51% | 5.43 | |
| 15 Apr 2025 | 4.04% | 5.68 | |
| 30 Apr 2025 | 4.43% | 5.90 | |
| 15 May 2025 | 4.64% | 7.24 | 10-Q filed, results (8-K) |
| 30 May 2025 | 4.88% | 6.64 | |
| 13 Jun 2025 | 4.87% | 8.66 | |
| 30 Jun 2025 | 7.44% | 4.31 | |
| 15 Jul 2025 | 7.97% | 11.65 | |
| 31 Jul 2025 | 8.24% | 5.16 | |
| 15 Aug 2025 | 9.02% | 6.81 | 10-Q filed, results (8-K) |
| 29 Aug 2025 | 9.70% | 7.14 | |
| 15 Sep 2025 | 10.55% | 4.23 | |
| 30 Sep 2025 | 12.05% | 6.44 | |
| 15 Oct 2025 | 11.77% | 8.24 | |
| 31 Oct 2025 | 10.77% | 8.01 | |
| 14 Nov 2025 | 10.55% | 9.45 | 10-Q filed, results (8-K) |
| 28 Nov 2025 | 10.13% | 8.22 | |
| 15 Dec 2025 | 8.78% | 5.73 | |
| 31 Dec 2025 | 10.42% | 4.66 |
See also: Gossamer Bio, 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.