Merck (MRK) Shares Outstanding (Diluted) (2009 - 2026)
Merck (MRK) reported Shares Outstanding (Diluted) of 2.47 billion for Q2 2026, down 1.7% from 2.51 billion a year earlier and down 0.1% from the prior quarter.
Merck (MRK) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends
For FY2025, Merck posted Shares Outstanding (Diluted) of 2.51 billion, down 1.3% from FY2024.
- Shares Outstanding (Diluted) has a five-year compound annual growth rate of -0.3% (FY2020 to FY2025).
- By year, Shares Outstanding (Diluted) came in at 2.54 billion in FY2024 (-0.2%), 2.55 billion in FY2023 (+0.2%), 2.54 billion in FY2022 (+0.2%) and 2.54 billion in FY2021 (-0.1%).
- The Q2 2026 figure ranks as the lowest quarterly Shares Outstanding (Diluted) since Q4 2009.
- Year over year, Shares Outstanding (Diluted) has now declined in each of the last eight quarters, with an average decline of 1.2% over the last eight quarters.
- The high point for year-over-year Shares Outstanding (Diluted) in five years was Q1 2023 (growth of 0.6%); the low point was Q1 2026 (a decline of 2.3%).
- Per Business Quant data, the three quarters before Q2 2026 came in at 2.47 billion (Q1 2026), 2.51 billion (Q4 2025) and 2.5 billion (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Eli Lilly | 1,109.58 Bn | 1,078.16 Bn | 19.71 Bn | 893.70 Mn |
| 2 | Johnson & Johnson | 630.16 Bn | 548.69 Bn | 17.26 Bn | 2.44 Bn |
| 3 | AbbVie | 488.57 Bn | 461.73 Bn | 12.70 Bn | 1.77 Bn |
| 4 | Merck | 359.15 Bn | 313.58 Bn | 12.21 Bn | 2.47 Bn |
| 5 | Novartis Ag | 274.32 Bn | 238.71 Bn | 11.24 Bn | 1.96 Bn |
| 6 | Astrazeneca | 246.73 Bn | 220.50 Bn | 12.86 Bn | 1.56 Bn |
| 7 | Amgen | 224.28 Bn | 179.68 Bn | 7.24 Bn | 544.00 Mn |
| 8 | Gilead Sciences | 187.60 Bn | 161.71 Bn | 6.22 Bn | 1.24 Bn |
| 9 | Pfizer | 161.13 Bn | 108.08 Bn | 10.94 Bn | 5.70 Bn |
| 10 | Vertex Pharmaceuticals | 129.23 Bn | 101.23 Bn | 2.84 Bn | 255.20 Mn |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 2.47 Bn |
| Mar 31, 2026 | 2.47 Bn |
| Dec 31, 2025 | 2.51 Bn |
| Sep 30, 2025 | 2.50 Bn |
| Jun 30, 2025 | 2.51 Bn |
| Mar 31, 2025 | 2.53 Bn |
| Dec 31, 2024 | 2.54 Bn |
| Sep 30, 2024 | 2.54 Bn |
| Jun 30, 2024 | 2.54 Bn |
| Mar 31, 2024 | 2.54 Bn |
| Dec 31, 2023 | 2.55 Bn |
| Sep 30, 2023 | 2.55 Bn |
| Jun 30, 2023 | 2.54 Bn |
| Mar 31, 2023 | 2.55 Bn |
| Dec 31, 2022 | 2.54 Bn |
| Sep 30, 2022 | 2.54 Bn |
| Jun 30, 2022 | 2.54 Bn |
| Mar 31, 2022 | 2.54 Bn |
| Dec 31, 2021 | 2.54 Bn |
| Sep 30, 2021 | 2.54 Bn |
Merck 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=MRK&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "MRK", "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=MRK&period=max&api_key=YOUR_API_KEY");
const data = await res.json();