Alkermes (ALKS) returns
Alkermes returns over 10 years
$1,000 invested in Alkermes ten years ago was worth $888.85 at the close on October 30, 2026, with dividends reinvested: an average return of -1.2% a year. The same $1,000 in the S&P 500 (SPY) became $4,166.
Total return by period
| Period | Total return | A year, on average | $1,000 became | S&P 500 (SPY) |
|---|---|---|---|---|
| 1 month | +11.9% | — | $1,119 | -0.9% |
| 3 months | -9.4% | — | $906.26 | +2.1% |
| Year to date | +62.0% | — | $1,620 | +11.7% |
| 1 year | +47.1% | — | $1,471 | +12.4% |
| 3 years | +86.5% | +23.1% | $1,865 | +88.5% |
| 5 years | +49.7% | +8.4% | $1,497 | +76.0% |
| 10 years | -11.1% | -1.2% | $888.85 | +316.6% |
Alkermes return by calendar year
| Year | ALKS | S&P 500 (SPY) | Difference |
|---|---|---|---|
| 2026 to date | +62.0% | +11.7% | +50.4% |
| 2025 | -2.7% | +17.7% | -20.4% |
| 2024 | +3.7% | +24.9% | -21.2% |
| 2023 | +6.2% | +26.2% | -20.0% |
| 2022 | +12.3% | -18.2% | +30.5% |
| 2021 | +16.6% | +28.7% | -12.2% |
| 2020 | -2.2% | +18.4% | -20.6% |
| 2019 | -30.9% | +31.2% | -62.1% |
| 2018 | -46.1% | -4.6% | -41.5% |
| 2017 | -1.5% | +21.7% | -23.2% |
| 2016 | -30.0% | +12.0% | -42.0% |
Past returns do not predict future returns. Returns are computed from our daily closes, adjusted for splits and with dividends reinvested on their ex-dates; taxes and trading costs are left out.
See also: ALKS financials · ALKS valuation
No forecast, no recommendation. This page describes Alkermes from published data; it is not advice to buy, sell or hold any security.
Figures as of the close on Oct 30, 2026 unless a row says otherwise. Prices are split adjusted; returns include dividends reinvested. Data may be delayed. See the disclaimer and how TrendArc works.