Alliant Energy (LNT) returns
Alliant Energy returns over 10 years
$1,000 invested in Alliant Energy ten years ago was worth $2,629 at the close on October 30, 2026, with dividends reinvested: an average return of 10.2% 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 | +14.0% | — | $1,140 | -0.9% |
| 3 months | +2.6% | — | $1,026 | +2.1% |
| Year to date | +13.6% | — | $1,136 | +11.7% |
| 1 year | +9.5% | — | $1,095 | +12.4% |
| 3 years | +63.1% | +17.7% | $1,631 | +88.5% |
| 5 years | +48.9% | +8.3% | $1,489 | +76.0% |
| 10 years | +162.9% | +10.2% | $2,629 | +316.6% |
Alliant Energy return by calendar year
| Year | LNT | S&P 500 (SPY) | Difference |
|---|---|---|---|
| 2026 to date | +13.6% | +11.7% | +1.9% |
| 2025 | +13.5% | +17.7% | -4.2% |
| 2024 | +19.5% | +24.9% | -5.4% |
| 2023 | -3.8% | +26.2% | -30.0% |
| 2022 | -7.5% | -18.2% | +10.7% |
| 2021 | +22.8% | +28.7% | -5.9% |
| 2020 | -3.2% | +18.4% | -21.5% |
| 2019 | +33.4% | +31.2% | +2.2% |
| 2018 | +2.4% | -4.6% | +6.9% |
| 2017 | +16.0% | +21.7% | -5.7% |
| 2016 | +25.4% | +12.0% | +13.4% |
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: LNT financials · LNT valuation
No forecast, no recommendation. This page describes Alliant Energy 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.