Mckesson (MCK) Shares Outstanding (Diluted) (2009 - 2026)
Mckesson's Weighted Average Shares Outstanding (Diluted) came in at 116.7 million for fiscal Q2 2027 (quarter ended Sep 30, 2026), down 6.2% from 124.4 million a year earlier and down 2.1% from the prior quarter.
Mckesson (MCK) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends
For FY2026 (ended Mar 31, 2026), Mckesson's Weighted Average Shares Outstanding (Diluted) was 124.1 million, down 3.1% from FY2025.
- Weighted Average Shares Outstanding (Diluted) has declined in each of the last 11 fiscal years, with a five-year compound annual growth rate of -5.0% (FY2021 to FY2026).
- Going back by fiscal year, Weighted Average Shares Outstanding (Diluted) was 128.1 million in FY2025 (-4.5%), 134.1 million in FY2024 (-5.7%), 142.2 million in FY2023 (-7.7%) and 154.1 million in FY2022 (-4.0%).
- The fiscal Q2 2027 figure represents the lowest quarterly Weighted Average Shares Outstanding (Diluted) in data going back to fiscal Q4 2009.
- Year-over-year, Weighted Average Shares Outstanding (Diluted) has declined for 44 consecutive quarters, with an average decline of 4.2% over the last eight quarters.
- Across the past five years, year-over-year decline in Weighted Average Shares Outstanding (Diluted) ran from 2.3% in fiscal Q3 2026 to 7.7% in fiscal Q4 2023.
- Business Quant data shows MCK's Weighted Average Shares Outstanding (Diluted) at 119.2 million (Q1 2027), 124.1 million (Q4 2026) and 123.7 million (Q3 2026) in the three fiscal quarters before Q2 2027.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Unitedhealth | 365.22 Bn | 251.88 Bn | 35.71 Bn | 902.00 Mn |
| 2 | Mckesson | 127.33 Bn | 111.26 Bn | 3.96 Bn | 116.70 Mn |
| 3 | Cvs Health | 114.34 Bn | 63.29 Bn | 47.21 Bn | 1.29 Bn |
| 4 | Elevance Health | 92.86 Bn | -49.61 Bn | 13.65 Bn | 217.60 Mn |
| 5 | Cigna | 78.25 Bn | 47.45 Bn | 15.09 Bn | 263.79 Mn |
| 6 | Cencora | 68.51 Bn | 68.51 Bn | 3.60 Bn | 193.94 Mn |
| 7 | Cardinal Health | 64.97 Bn | 48.29 Bn | 2.60 Bn | 233.00 Mn |
| 8 | Humana | 54.10 Bn | -36.68 Bn | 4.83 Bn | 121.83 Mn |
| 9 | Centene | 35.04 Bn | -39.00 Bn | 8.24 Bn | 493.12 Mn |
| 10 | Molina Healthcare | 10.90 Bn | -24.10 Bn | 1.36 Bn | 51.50 Mn |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 116.70 Mn |
| Jun 30, 2026 | 119.20 Mn |
| Mar 31, 2026 | 124.10 Mn |
| Dec 31, 2025 | 123.70 Mn |
| Sep 30, 2025 | 124.40 Mn |
| Jun 30, 2025 | 125.50 Mn |
| Mar 31, 2025 | 128.10 Mn |
| Dec 31, 2024 | 126.60 Mn |
| Sep 30, 2024 | 129.30 Mn |
| Jun 30, 2024 | 130.70 Mn |
| Mar 31, 2024 | 134.10 Mn |
| Dec 31, 2023 | 133.30 Mn |
| Sep 30, 2023 | 134.80 Mn |
| Jun 30, 2023 | 136.60 Mn |
| Mar 31, 2023 | 142.20 Mn |
| Dec 31, 2022 | 141.00 Mn |
| Sep 30, 2022 | 144.10 Mn |
| Jun 30, 2022 | 145.90 Mn |
| Mar 31, 2022 | 154.10 Mn |
| Dec 31, 2021 | 151.60 Mn |
Mckesson 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=MCK&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "MCK", "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=MCK&period=max&api_key=YOUR_API_KEY");
const data = await res.json();