Alto Neuroscience ANRO
NYSE ANRO
$29.63 +1.02 (+3.57%)
As of: Nov 11, 2026 · 10:50 AM EST

Alto Neuroscience (ANRO) Shares Outstanding (Diluted) (2023 - 2026)

Updated

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.

Analysis

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 Set

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

Historic Data

Download Data
DateValue
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
API Access

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