Quick Answer
IO Biotech, Inc. reported Shares Outstanding of 65.88 million shares for fiscal year 2024.
IO Biotech, Inc. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2024 | 65.88M | +0.0% |
| 2023 | 65.88M | +128.6% |
| 2022 | 28.82M | +0.0% |
| 2021 | 28.82M | +0.0% |
| 2021 | 28.82M | — |
| 2020 | 0 | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 69.69M | +5.8% | +5.8% |
| June 30, 2025 | 65.88M | +0.0% | +0.0% |
| March 31, 2025 | 65.88M | +0.0% | +0.0% |
| December 31, 2024 | 65.88M | +0.0% | +0.0% |
| September 30, 2024 | 65.88M | +0.0% | +0.0% |
| June 30, 2024 | 65.88M | +128.6% | +0.0% |
| March 31, 2024 | 65.88M | +128.6% | +0.0% |
| December 31, 2023 | 65.88M | +128.6% | +0.0% |
- IO Biotech, Inc. showed an increase of +0.0% in Shares Outstanding compared to the prior fiscal year.
- The most recent figure is from IO Biotech, Inc.’s fiscal year 2024 report (Form 10-K), filed with the SEC on March 31, 2025.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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