Alnylam Pharmaceuticals (ALNY) Shares Outstanding (Diluted) (2019 - 2026)
Alnylam Pharmaceuticals (ALNY) recorded Shares Outstanding (Diluted) of 138.28 million in Q2 2026, up 5.9% from 130.63 million a year earlier and unchanged from the prior quarter.
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Analysis
Alnylam Pharmaceuticals (ALNY) Shares Outstanding (Diluted) (2019 - 2026) Analysis & Trends
For FY2025, Alnylam Pharmaceuticals reported Shares Outstanding (Diluted) of 134.68 million, up 5.5% from FY2024.
- Annual Shares Outstanding (Diluted) has increased for six straight years, with a five-year compound annual growth rate of 3.2% (FY2020 to FY2025).
- Across earlier years, Shares Outstanding (Diluted) came in at 127.65 million in FY2024 (+2.2%), 124.91 million in FY2023 (+2.6%), 121.69 million in FY2022 (+2.7%) and 118.45 million in FY2021 (+3.0%).
- The Q2 2026 figure is the highest quarterly Shares Outstanding (Diluted) in data going back to Q4 2019.
- On a year-over-year basis, Shares Outstanding (Diluted) has increased for seven consecutive quarters, with growth averaging 3.8% over the last eight quarters.
- Peak year-over-year performance for Shares Outstanding (Diluted) in the last five years was growth of 7.5% in Q3 2023, against a decline of 2.1% in Q3 2024 at the low end.
- Per Business Quant, the preceding three quarters came in at 138.23 million (Q1 2026), 134.68 million (Q4 2025) and 137.35 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 653.54 Bn | 572.07 Bn | 17.26 Bn | 2.44 Bn |
| 2 | AbbVie | 467.01 Bn | 440.17 Bn | 12.70 Bn | 1.77 Bn |
| 3 | Merck | 367.16 Bn | 321.59 Bn | 12.21 Bn | 2.47 Bn |
| 4 | Novartis Ag | 277.56 Bn | 233.43 Bn | 11.24 Bn | 1.96 Bn |
| 5 | Astrazeneca | 258.23 Bn | 231.79 Bn | 12.86 Bn | 1.56 Bn |
| 6 | Amgen | 224.14 Bn | 179.54 Bn | 7.24 Bn | 544.00 Mn |
| 7 | Gilead Sciences | 187.30 Bn | 161.42 Bn | 6.22 Bn | 1.24 Bn |
| 8 | Pfizer | 163.47 Bn | 110.41 Bn | 10.94 Bn | 5.70 Bn |
| 9 | Vertex Pharmaceuticals | 133.31 Bn | 105.31 Bn | 2.84 Bn | 255.20 Mn |
| 10 | Alnylam Pharmaceuticals | 34.23 Bn | 22.28 Bn | 992.69 Mn | 138.28 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 138.28 Mn |
| Mar 31, 2026 | 138.23 Mn |
| Dec 31, 2025 | 134.68 Mn |
| Sep 30, 2025 | 137.35 Mn |
| Jun 30, 2025 | 130.63 Mn |
| Mar 31, 2025 | 129.68 Mn |
| Dec 31, 2024 | 127.65 Mn |
| Sep 30, 2024 | 128.59 Mn |
| Jun 30, 2024 | 126.73 Mn |
| Mar 31, 2024 | 126.14 Mn |
| Dec 31, 2023 | 124.91 Mn |
| Sep 30, 2023 | 131.34 Mn |
| Jun 30, 2023 | 124.66 Mn |
| Mar 31, 2023 | 124.11 Mn |
| Dec 31, 2022 | 121.69 Mn |
| Sep 30, 2022 | 122.17 Mn |
| Jun 30, 2022 | 120.90 Mn |
| Mar 31, 2022 | 120.39 Mn |
| Dec 31, 2021 | 118.45 Mn |
| Sep 30, 2021 | 119.14 Mn |
API Access
Alnylam Pharmaceuticals 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=ALNY&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "ALNY", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=ALNY&period=max&api_key=YOUR_API_KEY");
const data = await res.json();