$227.00+$3.05 (+1.36%)as of market close, Aug 13, 2026
☾ After hours:$227.12+0.00%3:59 PM ET
ALNY weekly returns
Alnylam Pharmaceuticals Inc. has averaged 0.60% per week, positive in 52% of weeks. Week-by-week returns for Alnylam Pharmaceuticals Inc. (ALNY) below, through August 13, 2026 — the table lists the most recent weeks; the bar chart plots the last 2 years.
Average week
+0.6%
1158 weeks
Best week
+53.9%
Aug 5, 2022
Worst week
-49.4%
Oct 7, 2016
Positive weeks
52%
of all weeks
Alnylam Pharmaceuticals Inc. weekly returns#
| Week ending | Path | Total return |
|---|---|---|
| Aug 13, 2026 | +3.6% | |
| Aug 7, 2026 | +6.7% | |
| Jul 31, 2026 | -24.4% | |
| Jul 24, 2026 | +1.6% | |
| Jul 17, 2026 | -10.5% | |
| Jul 10, 2026 | -4.5% | |
| Jul 2, 2026 | +7.3% | |
| Jun 26, 2026 | +4.8% | |
| Jun 18, 2026 | -1.7% | |
| Jun 12, 2026 | -6.7% | |
| Jun 5, 2026 | +0.4% | |
| May 29, 2026 | +1.5% |
Weekly total return (since Aug 23, 2024)
-20%-10%+0%+10%+20%
20252026
Methodology#
Weekly returns are total returns (dividends reinvested), computed from ALNY's split- and dividend-adjusted weekly (ISO week) closes. The table shows the most recent 260 weeks and the bar chart the most recent 104. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
See also: S&P 500 · Nasdaq-100 · Dow Jones · Russell 2000 · US Bond Market · Gold · Silver · Bitcoin · Ethereum
FAQ#
- What is Alnylam Pharmaceuticals Inc.'s average weekly return?
- Alnylam Pharmaceuticals Inc. (ALNY) has averaged about 0.60% per week, positive in roughly 52% of weeks. The best week was Aug 5, 2022 (+53.9%) and the worst was Oct 7, 2016 (-49.4%).