Quick Answer
Phio Pharmaceuticals Corp. reported Shares Outstanding of 11.62 million shares for fiscal year 2025.
Phio Pharmaceuticals Corp. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 11.62M | +570.1% |
| 2024 | 1.73M | +316.4% |
| 2023 | 416,368 | -63.4% |
| 2022 | 1.14M | +1.0% |
| 2021 | 1.13M | -80.5% |
| 2020 | 5.78M | +763.6% |
| 2019 | 669,433 | +95.4% |
| 2018 | 342,578 | -85.9% |
| 2017 | 2.43M | +86.9% |
| 2016 | 1.30M | -80.1% |
| 2015 | 6.53M | -70.3% |
| 2014 | 21.98M | +86.5% |
| 2013 | 11.79M | +122.9% |
| 2012 | 5.29M | -94.7% |
| 2011 | 100.44M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 5.78M | +503.7% | +20.6% |
| June 30, 2025 | 4.80M | +840.5% | +0.4% |
| March 31, 2025 | 4.78M | +4.1% | +175.6% |
| December 31, 2024 | 1.73M | +316.4% | +80.9% |
| September 30, 2024 | 958,219 | -58.5% | +87.8% |
| June 30, 2024 | 510,188 | -74.3% | -88.9% |
| March 31, 2024 | 4.59M | +299.1% | +1002.8% |
| December 31, 2023 | 416,368 | -63.4% | -82.0% |
- Phio Pharmaceuticals Corp. showed an increase of +570.1% in Shares Outstanding compared to the prior fiscal year.
- Over the 2011–2025 period, Phio Pharmaceuticals Corp.’s shares outstanding has declined by 88.4% (from 100.44 million shares to 11.62 million shares).
- The most recent figure is from Phio Pharmaceuticals Corp.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 5, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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