Avantor (AVTR) Shares Outstanding (Diluted) (2018 - 2026)
Avantor's Weighted Average Shares Outstanding (Diluted) came in at 680.9 million for Q3 2026, down 0.1% from 681.7 million a year earlier but up 0.5% from the prior quarter.
Avantor (AVTR) Shares Outstanding (Diluted) (2018 - 2026) Analysis & Trends
For FY2025, Avantor's Weighted Average Shares Outstanding (Diluted) was 680.6 million, down 0.2% from FY2024.
- Weighted Average Shares Outstanding (Diluted) carries a five-year compound annual growth rate of 3.1% (FY2020 to FY2025).
- Going back by year, Weighted Average Shares Outstanding (Diluted) was 681.9 million in FY2024 (+0.5%), 678.4 million in FY2023 (-0.1%), 679.4 million in FY2022 (+13.3%) and 599.6 million in FY2021 (+2.8%).
- The five-year range for quarterly Weighted Average Shares Outstanding (Diluted) is 599.6 million (Q4 2021) to 683 million (Q3 2024).
- Year-over-year, Weighted Average Shares Outstanding (Diluted) has declined for six consecutive quarters, with an average decline of 0.2% over the last eight quarters.
- The fastest year-over-year change in Weighted Average Shares Outstanding (Diluted) over five years came in Q1 2022 (growth of 15.7%), and the weakest in Q1 2026 (a decline of 0.8%).
- Business Quant data shows AVTR's Weighted Average Shares Outstanding (Diluted) at 677.2 million (Q2 2026), 676.8 million (Q1 2026) and 680.6 million (Q4 2025) in the three quarters before Q3 2026.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | United Rentals | 72.85 Bn | 71.97 Bn | 2.05 Bn | 62.26 Mn |
| 2 | W.W. Grainger | 64.68 Bn | 62.27 Bn | 1.98 Bn | 47.20 Mn |
| 3 | Fastenal | 60.03 Bn | 59.03 Bn | 1.10 Bn | 1.15 Bn |
| 4 | Ferguson Enterprises | 47.00 Bn | 44.22 Bn | 2.32 Bn | 194.80 Mn |
| 5 | Sunbelt Rentals Holdings | 34.18 Bn | 34.06 Bn | 1.25 Bn | 411.31 Mn |
| 6 | Reliance | 22.87 Bn | 21.92 Bn | 1.45 Bn | 51.39 Mn |
| 7 | Wesco International | 17.09 Bn | 14.14 Bn | 1.57 Bn | 49.30 Mn |
| 8 | Watsco | 11.81 Bn | 11.81 Bn | 586.29 Mn | 38.19 Mn |
| 9 | Applied Industrial Technologies | 11.20 Bn | 11.09 Bn | 392.21 Mn | 37.18 Mn |
| 10 | Avantor | 10.78 Bn | 9.36 Bn | 534.80 Mn | 680.90 Mn |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 680.90 Mn |
| Jun 30, 2026 | 677.20 Mn |
| Mar 31, 2026 | 676.80 Mn |
| Dec 31, 2025 | 680.60 Mn |
| Sep 30, 2025 | 681.70 Mn |
| Jun 30, 2025 | 681.80 Mn |
| Mar 31, 2025 | 682.40 Mn |
| Dec 31, 2024 | 681.90 Mn |
| Sep 30, 2024 | 683.00 Mn |
| Jun 30, 2024 | 682.60 Mn |
| Mar 31, 2024 | 681.40 Mn |
| Dec 31, 2023 | 678.40 Mn |
| Sep 30, 2023 | 678.50 Mn |
| Jun 30, 2023 | 675.30 Mn |
| Mar 31, 2023 | 678.10 Mn |
| Dec 31, 2022 | 679.40 Mn |
| Sep 30, 2022 | 679.30 Mn |
| Jun 30, 2022 | 680.20 Mn |
| Mar 31, 2022 | 681.30 Mn |
| Dec 31, 2021 | 599.60 Mn |
Avantor 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=AVTR&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "AVTR", "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=AVTR&period=max&api_key=YOUR_API_KEY");
const data = await res.json();