Alnylam Pharmaceuticals (ALNY) Shares Outstanding (Diluted Average) (2019 - 2026)

Alnylam Pharmaceuticals has reported Shares Outstanding (Diluted Average) for 8 years, with the latest figure at $138.2 million in Q1 2026.

• For the quarter ending Q1 2026, Shares Outstanding (Diluted Average) rose 6.59% year-over-year to $138.2 million; the trailing twelve-month figure through Mar 2026 stood at $138.2 million (up 6.59% YoY), and the FY2025 full-year result was $134.7 million, up 5.51% from the prior year.
• Shares Outstanding (Diluted Average) for Q1 2026 stood at $138.2 million, up from $134.7 million in the prior quarter.
• The five-year high for Shares Outstanding (Diluted Average) was $138.2 million in Q1 2026, with the low at $120.4 million in Q1 2022.
• Historically, Shares Outstanding (Diluted Average) has averaged $126.9 million across 5 years, with a median of $126.1 million in 2024.
• Annual changes were most pronounced in 2024 — Shares Outstanding (Diluted Average) increased 1.63% — and 2026, when it climbed 6.59%.
• Alnylam Pharmaceuticals' Shares Outstanding (Diluted Average) stood at $121.7 million in 2022, then gained by 2.64% to $124.9 million in 2023, then advanced by 2.2% to $127.7 million in 2024, then rose by 5.51% to $134.7 million in 2025, then climbed by 2.63% to $138.2 million in 2026.
• The last three Shares Outstanding (Diluted Average) figures came in at $138.2 million (Q1 2026), $134.7 million (Q4 2025), and $134.1 million (Q3 2025), per Business Quant data.