Latest period
32.89M
YoY change
+17.3%
5Y CAGR
—
Peak year (2025)
28.85M
Latest annual
28.85M
Shares Outstanding history chart for Alto Neuroscience (ANRO) from 2021 to 2025
Latest: 28.85M
Shares Outstanding growth chart for Alto Neuroscience (ANRO) from 2021 to 2025
Latest: +17.3%
Shares Outstanding history table for Alto Neuroscience (ANRO) from 2021 to 2025
| 2025 | 28.85M | +17.3% | +4.25M | ||
| 2024 | 24.60M | -8.5% | -2.28M | ||
| 2023 | 26.88M | +5.1% | +1.31M | ||
| 2022 | 25.57M | 0.0% | 0 | ||
| 2021 | 25.57M | — | — |
- 202528.85M+17.3%
- 202424.60M-8.5%
- 202326.88M+5.1%
- 202225.57M0.0%
- 202125.57M—
Shares Outstanding values are taken from Alto Neuroscience's reported income statements (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
About Shares Outstanding at Alto Neuroscience (ANRO)
According to Alto Neuroscience's latest reported financial statements, the company's latest reported diluted shares outstanding is 32.89M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
The 2025 reading of Alto Neuroscience (ANRO) diluted shares outstanding is 28.85M – grew 17.3% year-over-year.
Across the available history, diluted shares outstanding reached its high of 28.85M in 2025 and its low of 24.60M in 2024.
Alto Neuroscience Shares Outstanding by Year
Alto Neuroscience Shares Outstanding 2025: 28.85M
In 2025, Alto Neuroscience reported diluted shares outstanding of 28.85M, grew 17.3% from 2024. This figure represents the highest annual value in the available history.
Alto Neuroscience Shares Outstanding 2024: 24.60M
Alto Neuroscience diluted shares outstanding in 2024 was 24.60M, declined 8.5% below 2023. This figure represents the lowest annual value in the available history.
Alto Neuroscience Shares Outstanding 2023: 26.88M
2023's diluted shares outstanding for Alto Neuroscience came in at 26.88M, grew 5.1% from 2022.
Alto Neuroscience Shares Outstanding 2022: 25.57M
Alto Neuroscience posted diluted shares outstanding of 25.57M in 2022, edged up 0.0% from 2021.
Alto Neuroscience Shares Outstanding 2021: 25.57M
Alto Neuroscience diluted shares outstanding in 2021 was 25.57M.
See more financial history for Alto Neuroscience (ANRO).
Sector peers by Shares Outstanding
Healthcare peers of Alto Neuroscience (ANRO), ranked by their latest diluted shares outstanding
| 4.45B | |
| 2.51B | |
| 2.43B | |
| 1.77B | |
| 1.56B | |
| 910.00M | |
| 898.00M | |
| 542.00M |
- 4.45B
- 2.51B
- 1.77B
- 1.56B
- 910.00M
- 898.00M
- 542.00M
Frequently asked questions
Alto Neuroscience (ANRO) Key Financials
Charts, filings, and peer comparison for every metric
Explore more
Deep-dives across the income statement, cash flow, capital return, and valuation