IsoRay Inc (ISR)
NYSE
IsoRay Inc Stock Price History
IsoRay Inc
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Historical daily closing price for IsoRay Inc since 2005, adjusted for splits and dividends. The latest closing stock price for IsoRay Inc as of June 12, 2025 is 0.38.
- The all-time high IsoRay Inc stock closing price was 8.25 on December 15, 2005.
- The IsoRay Inc 52-week high stock price is 0.69, which is 81.0% above the current share price.
- The IsoRay Inc 52-week low stock price is 0.22, which is 42.7% below the current share price.
- The average IsoRay Inc stock price for the last 52 weeks is 0.36.
Annual Close Price
YEAR-END CLOSE · USD
ANNUAL % CHANGE · %
| Year | Average | Year Open | Year High | Year Low | Year Close | Annual % Change |
|---|---|---|---|---|---|---|
| 2025 | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | -44.32% |
| 2023 | 0.46 | 0.24 | 0.69 | 0.24 | 0.69 | +175.88% |
| 2022 | 0.34 | 0.41 | 0.43 | 0.22 | 0.25 | -35.90% |
| 2021 | 0.89 | 0.54 | 2.47 | 0.38 | 0.39 | -13.33% |
| 2020 | 0.62 | 0.62 | 0.99 | 0.36 | 0.45 | -27.42% |
| 2019 | 0.40 | 0.32 | 0.69 | 0.30 | 0.62 | +106.67% |
| 2018 | 0.47 | 0.41 | 1.07 | 0.27 | 0.30 | -25.00% |
| 2017 | 0.55 | 0.62 | 0.69 | 0.39 | 0.40 | -31.03% |
| 2016 | 0.78 | 0.97 | 1.18 | 0.54 | 0.58 | -38.30% |
IsoRay Inc Stock Price History — FAQ
IsoRay Inc (ISR) stock price history — annual and quarterly figures with year-over-year growth and charts.
Where can I see ISR's stock price history history?
The chart and table above show IsoRay Inc's stock price history by year and by quarter, including the growth rate.