Alto Neuroscience (ANRO) Shares Outstanding (Diluted) (2023 - 2026)
Alto Neuroscience's Weighted Average Shares Outstanding (Diluted) came in at 42.81 million for Q2 2026, up 58.1% from 27.07 million a year earlier and up 30.2% from the prior quarter.
Alto Neuroscience (ANRO) Shares Outstanding (Diluted) (2023 - 2026) Analysis & Trends
For FY2025, Alto Neuroscience's Weighted Average Shares Outstanding (Diluted) was 28.85 million, up 17.3% from FY2024.
- Going back by year, Weighted Average Shares Outstanding (Diluted) was 24.6 million in FY2024 (+559.4%) and 3.73 million in FY2023.
- The Q2 2026 figure represents the highest quarterly Weighted Average Shares Outstanding (Diluted) in data going back to Q1 2023.
- Year-over-year, Weighted Average Shares Outstanding (Diluted) has increased for ten consecutive quarters, with growth averaging 166.5% over the last eight quarters.
- Over the past five years, the year-over-year growth in Weighted Average Shares Outstanding (Diluted) ranged from 0.5% (Q3 2025) to 624.2% (Q2 2024).
- Business Quant data shows ANRO's Weighted Average Shares Outstanding (Diluted) at 32.89 million (Q1 2026), 28.85 million (Q4 2025) and 27.1 million (Q3 2025) in the three quarters before Q2 2026.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Eli Lilly | 1,348.13 Bn | 1,321.74 Bn | 20.46 Bn | 893.40 Mn |
| 2 | Johnson & Johnson | 675.90 Bn | 595.76 Bn | 17.30 Bn | 2.45 Bn |
| 3 | AbbVie | 519.45 Bn | 487.50 Bn | 13.12 Bn | 1.77 Bn |
| 4 | Merck | 364.95 Bn | 327.95 Bn | 13.19 Bn | 2.48 Bn |
| 5 | Novartis Ag | 311.58 Bn | 285.16 Bn | - | 1.96 Bn |
| 6 | Astrazeneca | 289.34 Bn | 262.94 Bn | 13.26 Bn | 1.56 Bn |
| 7 | Amgen | 251.64 Bn | 203.30 Bn | 7.58 Bn | 546.00 Mn |
| 8 | Gilead Sciences | 212.05 Bn | 187.07 Bn | 6.73 Bn | 1.25 Bn |
| 9 | Pfizer | 167.35 Bn | 115.00 Bn | 12.56 Bn | 5.75 Bn |
| 10 | Alto Neuroscience | 1.14 Bn | 139.96 Mn | - | 46.53 Mn |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 46.53 Mn |
| Jun 30, 2026 | 42.81 Mn |
| Mar 31, 2026 | 32.89 Mn |
| Dec 31, 2025 | 28.85 Mn |
| Sep 30, 2025 | 27.10 Mn |
| Jun 30, 2025 | 27.07 Mn |
| Mar 31, 2025 | 27.05 Mn |
| Dec 31, 2024 | 24.60 Mn |
| Sep 30, 2024 | 26.96 Mn |
| Jun 30, 2024 | 26.91 Mn |
| Mar 31, 2024 | 17.60 Mn |
| Dec 31, 2023 | 3.73 Mn |
| Sep 30, 2023 | 3.74 Mn |
| Jun 30, 2023 | 3.72 Mn |
| Mar 31, 2023 | 3.69 Mn |
Alto Neuroscience Shares Outstanding (Diluted) API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=ANRO&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "ANRO", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=ANRO&period=max&api_key=YOUR_API_KEY");
const data = await res.json();