Quick Answer
Tectonic Therapeutic, Inc. reported Shares Outstanding of 18.74 million shares for fiscal year 2025.
Tectonic Therapeutic, Inc. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 18.74M | +26.1% |
| 2024 | 14.86M | +955.3% |
| 2023 | 1.41M | -96.8% |
| 2022 | 43.92M | +0.6% |
| 2021 | 43.65M | +0.0% |
| 2020 | 43.65M | +38.0% |
| 2019 | 31.64M | +32.9% |
| 2018 | 23.81M | +932.7% |
| 2017 | 2.31M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 18.71M | +26.9% | +0.0% |
| June 30, 2025 | 18.71M | +27.0% | +0.2% |
| March 31, 2025 | 18.67M | -58.4% | +25.7% |
| December 31, 2024 | 14.86M | +464.0% | +0.8% |
| September 30, 2024 | 14.74M | -66.9% | +0.1% |
| June 30, 2024 | 14.73M | -66.7% | -67.2% |
| March 31, 2024 | 44.88M | +1.8% | +1603.8% |
| December 31, 2023 | 2.63M | -94.0% | -94.1% |
- Tectonic Therapeutic, Inc. showed an increase of +26.1% in Shares Outstanding compared to the prior fiscal year.
- Over the 2017–2025 period, Tectonic Therapeutic, Inc.’s shares outstanding has grown by 712.9% (from 2.31 million shares to 18.74 million shares).
- The most recent figure is from Tectonic Therapeutic, Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 26, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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