Merck MRK
NYSE MRK
$146.59 -3.77 (-2.51%)
As of: Nov 5, 2026 · 3:59 PM EST

Merck (MRK) Shares Outstanding (Diluted) (2009 - 2026)

Updated

Merck (MRK) reported Weighted Average Shares Outstanding (Diluted) of 2.47 billion for Q3 2026, down 1.1% from 2.5 billion a year earlier and unchanged from the prior quarter.

Analysis

Merck (MRK) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends

For FY2025, Merck posted Weighted Average Shares Outstanding (Diluted) of 2.51 billion, down 1.3% from FY2024.

  • Weighted Average Shares Outstanding (Diluted) has a five-year compound annual growth rate of -0.3% (FY2020 to FY2025).
  • By year, Weighted Average 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%).
  • Five-year quarterly Weighted Average Shares Outstanding (Diluted) spans a low of 2.47 billion in Q2 2026 and a high of 2.55 billion in Q1 2023.
  • Year over year, Weighted Average Shares Outstanding (Diluted) has now declined in each of the last nine quarters, with an average decline of 1.3% over the last eight quarters.
  • The high point for year-over-year Weighted Average 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 Q3 2026 came in at 2.47 billion (Q2 2026), 2.47 billion (Q1 2026) and 2.51 billion (Q4 2025).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares Outstanding (Dil.) (Qtr)
1 Eli Lilly 1,221.09 Bn 1,194.71 Bn 20.46 Bn 893.40 Mn
2 Johnson & Johnson 656.38 Bn 576.24 Bn 17.30 Bn 2.45 Bn
3 AbbVie 510.79 Bn 478.80 Bn 13.12 Bn 1.77 Bn
4 Merck 363.00 Bn 317.38 Bn 12.21 Bn 2.47 Bn
5 Novartis Ag 313.89 Bn 287.12 Bn - 1.96 Bn
6 Astrazeneca 290.02 Bn 263.91 Bn 13.26 Bn 1.56 Bn
7 Amgen 249.59 Bn 204.98 Bn 7.24 Bn 544.00 Mn
8 Gilead Sciences 208.15 Bn 183.26 Bn 6.73 Bn 1.25 Bn
9 Pfizer 170.74 Bn 118.10 Bn 12.56 Bn 5.75 Bn
10 Vertex Pharmaceuticals 137.20 Bn 109.19 Bn 2.91 Bn 255.20 Mn
Historic Data

Historic Data

Download Data
DateValue
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
API Access

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