Company / Shares Outstanding
ALNYLAM PHARMACEUTICALS, INC. Shares Outstanding History
FY2016-FY2025 · Annual data · Source: SEC filings
At a glance
Latest annual filing availableLatest Shares Outstanding
129.3M
FY2025
5-year range
116.4M / 129.3M
FY2021-FY2025
Trend
+2.8%
vs FY2024
Sector context
#79 of 212
Health Care
What the data says
At 129294000.00, ALNYLAM PHARMACEUTICALS, INC.'s shares outstanding ranks #134 of 212 in the Health Care sector. Shares Outstanding has increased for 9 consecutive years, from 85596000.00 in FY2016 to 129294000.00 in FY2025.
Based on SEC 10-K filings.
129294000.00 in FY2025 with a 5-year CAGR of +2.9%.
Increased from 123925000.00 to 129294000.00 over the past 2 years.
Health Care sector context is included.
Shares Outstanding over time
Growth rates
- 3-Year CAGR
- +2.5%
- 5-Year CAGR
- +2.9%
- 10-Year CAGR
- -
Sector benchmark
#134 of 212 in Health CareTop 63% of 212This company 129.3M Sector average 306.0M
▼
-57.7% below sector average
Key checks
Key Insights
- ALNYLAM PHARMACEUTICALS, INC.'s shares outstanding has grown for 9 consecutive years.
- In FY2025, shares outstanding increased 2.8% year-over-year.
- Ranks #79 out of 212 companies in the Health Care sector.
- Lowest shares outstanding in the period was in FY2016.
Company context
Key Data Points
- Altman Z-Score 0.37 (distress zone, below 1.8 threshold)
- Negative profit margin: -12.4%
- High earnings quality (cash-backed earnings)
Data sourced from SEC EDGAR filings. Not investment advice.
Annual data
| Year | Shares OutstandingValue | YoY GrowthYoY |
|---|---|---|
| FY2025 | 129.3M | +2.8% |
| FY2024 | 125.8M | +1.5% |
| FY2023 | 123.9M | +3.1% |
| FY2022 | 120.2M | +3.2% |
| FY2021 | 116.4M | +3.8% |
| FY2020 | 112.2M | +10.9% |
| FY2019 | 101.2M | +1.5% |
| FY2018 | 99.7M | +10.1% |
| FY2017 | 90.6M | +5.8% |
| FY2016 | 85.6M | +1.9% |
As of FY2025 · SEC 10-K · Updated Jun 30, 2026