ALNY returns by year
Alnylam Pharmaceuticals Inc. has returned +16.6% annually (CAGR) since 2005. Calendar-year, monthly and weekly total returns for Alnylam Pharmaceuticals Inc. (ALNY) below, through August 13, 2026 — the most recent year is year-to-date.
Alnylam Pharmaceuticals Inc. returns by year (2005–2026)#
Calendar-year returns with each year's path and its dividend contribution (dividend return = total minus price return).
| Year | Start price | End price | Path | Dividend | Total return |
|---|---|---|---|---|---|
| 2026YTD | $397.65 | $227.00 | +0.0% | -42.9% | |
| 2025 | $235.31 | $397.65 | +0.0% | +69.0% | |
| 2024 | $191.41 | $235.31 | +0.0% | +22.9% | |
| 2023 | $237.65 | $191.41 | +0.0% | -19.5% | |
| 2022 | $169.58 | $237.65 | +0.0% | +40.1% | |
| 2021 | $129.97 | $169.58 | +0.0% | +30.5% | |
| 2020 | $115.17 | $129.97 | +0.0% | +12.9% | |
| 2019 | $72.91 | $115.17 | +0.0% | +58.0% | |
| 2018 | $127.05 | $72.91 | +0.0% | -42.6% | |
| 2017 | $37.44 | $127.05 | +0.0% | +239.3% | |
| 2016 | $94.14 | $37.44 | +0.0% | -60.2% | |
| 2015 | $97.00 | $94.14 | +0.0% | -2.9% |
Total return by period
Methodology#
Returns are total returns (dividends reinvested), computed from ALNY's split- and dividend-adjusted closes. The bar chart switches between annual and monthly periods. Annualized return is the compound annual growth rate over the full period. The current year is year-to-date. See also the periodic table of returns. Past performance does not predict future returns; not investment advice.
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FAQ#
- What is Alnylam Pharmaceuticals Inc.'s average annual return?
- Since 2005, Alnylam Pharmaceuticals Inc. (ALNY) has returned about 16.6% a year (the compound annual growth rate) and an average calendar-year return of 40.2%.
- What were Alnylam Pharmaceuticals Inc.'s best and worst years?
- Over 2005–2026, the best year was 2013 (+252.3%) and the worst was 2016 (-60.2%).
- How often is Alnylam Pharmaceuticals Inc. up in a year?
- 13 of the 21 full years since 2005 were positive — about 62% of the time.