Merck MRK
NYSE MRK
$145.57 +3.17 (+2.23%)
At close: Oct 9, 2026 · 4:00 PM EDT

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

Updated

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.

Analysis

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 Set

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

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