About Alliant Energy Corporation (LNT)
Alliant Energy Corporation is a Utilities - Regulated Electric company operating in the Utilities sector.
LNT trades on the US stock exchanges (NYSE/NASDAQ) and is classified as a large-cap stock .
Key Statistics
- Current Price
- $71.65
- Market Cap
- $18.58B
- 52-Week High
- $78.81
- 52-Week Low
- $62.54
- Sector
- Utilities
- Industry
- Utilities - Regulated Electric
$1,000 Invested in Alliant Energy Corporation (LNT)
How much would $1,000 invested in LNT be worth today?
What would $1,000 invested in LNT 1 year ago be worth today?
A $1,000 investment in Alliant Energy Corporation (LNT) in 2025 would be worth $1,096 as of November 2026, representing a +9.6% total return.
What would $1,000 invested in LNT 3 years ago be worth today?
A $1,000 investment in Alliant Energy Corporation (LNT) in 2023 would be worth $1,604 as of November 2026, representing a +60.4% total return.
What would $1,000 invested in LNT 5 years ago be worth today?
A $1,000 investment in Alliant Energy Corporation (LNT) in 2021 would be worth $1,504 as of November 2026, representing a +50.4% total return.
What would $1,000 invested in LNT 10 years ago be worth today?
A $1,000 investment in Alliant Energy Corporation (LNT) in 2016 would be worth $2,667 as of November 2026, representing a +166.7% total return.
What would $1,000 invested in LNT at IPO be worth today?
A $1,000 investment in Alliant Energy Corporation (LNT) at IPO would be worth $100,982 as of November 2026, representing a +9998.3% total return.
Monthly Returns Heatmap
Over the past 53+ years (644 months), Alliant Energy Corporation (LNT) has averaged a monthly return of +0.86% with a median return of +0.91%. The stock had 360 positive months (56%) and 268 negative months (42%). The best month in LNT's history was January 1975 with a +18.0% return, while the worst was July 2002 at -23.5%. Historically, March tends to be the strongest month (averaging +1.7%), and September the weakest (-0.7%).
LNT's longest winning streak was 9 consecutive months of gains, while its longest losing streak was 5 consecutive months of losses. The best full year was 2003 with a cumulative return of +48.8%, and the worst was 2002 at -45.9%.
Annual Returns
Over 53 years of trading history, Alliant Energy Corporation (LNT) has delivered an average annual return of +10.91% with a median return of +11.60%. The compound annual growth rate (CAGR) is +9.34%. The stock posted gains in 38 years (72%) and losses in 15 years (28%).
LNT's best year was 2003 with a +58.70% gain, while the worst was 2002 at -40.25%. The longest streak of consecutive positive years was 6, and the longest losing streak was 4 years. LNT achieved double-digit gains (10%+) in 28 years. It suffered double-digit losses in 5 years.
| Year | Return | Start | End |
|---|---|---|---|
| 2026 | +13.65% | $63.04 | $71.65 |
| 2025 | +13.52% | $55.53 | $63.04 |
| 2024 | +19.54% | $46.46 | $55.53 |
| 2023 | -3.84% | $48.31 | $46.46 |
| 2022 | -7.44% | $52.19 | $48.31 |
| 2021 | +22.86% | $42.48 | $52.19 |
| 2020 | -3.16% | $43.87 | $42.48 |
| 2019 | +33.43% | $32.88 | $43.87 |
| 2018 | +2.37% | $32.12 | $32.88 |
| 2017 | +16.05% | $27.68 | $32.12 |
| 2016 | +25.44% | $22.06 | $27.68 |
| 2015 | -2.63% | $22.66 | $22.06 |
| 2014 | +33.40% | $16.99 | $22.66 |
| 2013 | +21.95% | $13.93 | $16.99 |
| 2012 | +3.64% | $13.44 | $13.93 |
| 2011 | +25.27% | $10.73 | $13.44 |
| 2010 | +27.23% | $8.43 | $10.73 |
| 2009 | +9.82% | $7.68 | $8.43 |
| 2008 | -25.26% | $10.27 | $7.68 |
| 2007 | +11.25% | $9.23 | $10.27 |
| 2006 | +39.40% | $6.62 | $9.23 |
| 2005 | +1.88% | $6.50 | $6.62 |
| 2004 | +19.47% | $5.44 | $6.50 |
| 2003 | +58.70% | $3.43 | $5.44 |
| 2002 | -40.25% | $5.74 | $3.43 |
| 2001 | +1.77% | $5.64 | $5.74 |
| 2000 | +24.17% | $4.54 | $5.64 |
| 1999 | -8.58% | $4.97 | $4.54 |
| 1998 | +3.69% | $4.79 | $4.97 |
| 1997 | +26.48% | $3.79 | $4.79 |
| 1996 | -1.97% | $3.86 | $3.79 |
| 1995 | +19.62% | $3.23 | $3.86 |
| 1994 | -11.02% | $3.63 | $3.23 |
| 1993 | +2.55% | $3.54 | $3.63 |
| 1992 | +9.37% | $3.24 | $3.54 |
| 1991 | +43.06% | $2.26 | $3.24 |
| 1990 | +8.63% | $2.08 | $2.26 |
| 1989 | +14.06% | $1.83 | $2.08 |
| 1988 | +11.60% | $1.64 | $1.83 |
| 1987 | -7.19% | $1.76 | $1.64 |
| 1986 | +23.84% | $1.42 | $1.76 |
| 1985 | +35.71% | $1.05 | $1.42 |
| 1984 | +4.39% | $1.00 | $1.05 |
| 1983 | +18.75% | $0.85 | $1.00 |
| 1982 | +24.68% | $0.68 | $0.85 |
| 1981 | +14.07% | $0.59 | $0.68 |
| 1980 | -4.93% | $0.63 | $0.59 |
| 1979 | -6.58% | $0.67 | $0.63 |
| 1978 | -10.06% | $0.74 | $0.67 |
| 1977 | -5.06% | $0.78 | $0.74 |
| 1976 | +30.88% | $0.60 | $0.78 |
| 1975 | +22.52% | $0.49 | $0.60 |
| 1974 | -22.38% | $0.63 | $0.49 |
Frequently Asked Questions: LNT
What sector is LNT in? ▼
LNT operates in the Utilities sector, specifically in the Utilities - Regulated Electric industry.
How has LNT performed historically? ▼
Over 53 years of trading history, LNT has posted gains in 38 years (72% of the time). The best year was 2003 with a +58.7% return. Past performance does not guarantee future results.
How can I invest in LNT? ▼
You can invest in LNT through any brokerage account that offers access to US stock exchanges. Popular options include commission-free brokers like Fidelity, Charles Schwab, or Robinhood (US), or international brokers like Interactive Brokers. You can buy individual shares or invest through ETFs that hold LNT.
Last updated: 11/1/2026