Merck (MRK) Shares Outstanding (Weighted Average) (2009 - 2026)

Merck (MRK) has 18 years of Shares Outstanding (Weighted Average) data on file, last reported at $2.5 billion in Q1 2026.

• Quarterly Shares Outstanding (Weighted Average) fell 2.02% year-over-year to $2.5 billion in Q1 2026, while the trailing twelve-month figure through Mar 2026 was $2.5 billion (down 2.02% YoY) and the FY2025 annual result came in at $2.5 billion, down 1.18% from the prior year.
• Shares Outstanding (Weighted Average) eased to $2.5 billion in Q1 2026 per MRK's latest filing, from $2.5 billion in the prior quarter.
• Across five years, Shares Outstanding (Weighted Average) topped out at $2.5 billion in Q2 2023 and bottomed at $2.5 billion in Q1 2026.
• The 5-year median for Shares Outstanding (Weighted Average) is $2.5 billion (2022), against an average of $2.5 billion.
• The widest annual swing landed in 2023, when Shares Outstanding (Weighted Average) advanced 0.4%; it then retreated 2.02% in 2026.
• Tracing MRK's Shares Outstanding (Weighted Average) over 5 years: stood at $2.5 billion in 2022, then grew by 0.2% to $2.5 billion in 2023, then declined by 0.2% to $2.5 billion in 2024, then declined by 1.18% to $2.5 billion in 2025, then retreated by 1.2% to $2.5 billion in 2026.
• Per Business Quant, the three latest MRK Shares Outstanding (Weighted Average) figures stand at $2.5 billion (Q1 2026), $2.5 billion (Q4 2025), and $2.5 billion (Q3 2025).

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