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
- $69.17
- Market Cap
- $17.79B
- 52-Week High
- $73.41
- 52-Week Low
- $57.09
- 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 $1,132 as of May 2026, representing a +13.2% 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 $1,441 as of May 2026, representing a +44.1% 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 $1,573 as of May 2026, representing a +57.3% 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 $2,655 as of May 2026, representing a +165.5% 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 $95,306 as of May 2026, representing a +9430.6% total return.
Monthly Returns Heatmap
Over the past 53+ years (637 months), Alliant Energy Corporation (LNT) has averaged a monthly return of +0.85% with a median return of +0.92%. The stock had 357 positive months (56%) and 264 negative months (41%). 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 +1.6%), and September the weakest (-0.6%).
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 +10.79% with a median return of +11.25%. The compound annual growth rate (CAGR) is +9.24%. 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 27 years. It suffered double-digit losses in 5 years.
| Year | Return | Start | End |
|---|---|---|---|
| 2026 | +7.26% | $64.49 | $69.17 |
| 2025 | +13.52% | $56.81 | $64.49 |
| 2024 | +19.54% | $47.52 | $56.81 |
| 2023 | -3.84% | $49.42 | $47.52 |
| 2022 | -7.44% | $53.39 | $49.42 |
| 2021 | +22.86% | $43.45 | $53.39 |
| 2020 | -3.16% | $44.87 | $43.45 |
| 2019 | +33.43% | $33.63 | $44.87 |
| 2018 | +2.37% | $32.85 | $33.63 |
| 2017 | +16.05% | $28.31 | $32.85 |
| 2016 | +25.44% | $22.57 | $28.31 |
| 2015 | -2.63% | $23.18 | $22.57 |
| 2014 | +33.40% | $17.37 | $23.18 |
| 2013 | +21.95% | $14.25 | $17.37 |
| 2012 | +3.64% | $13.75 | $14.25 |
| 2011 | +25.27% | $10.97 | $13.75 |
| 2010 | +27.23% | $8.62 | $10.97 |
| 2009 | +9.82% | $7.85 | $8.62 |
| 2008 | -25.26% | $10.51 | $7.85 |
| 2007 | +11.25% | $9.45 | $10.51 |
| 2006 | +39.40% | $6.78 | $9.45 |
| 2005 | +1.88% | $6.65 | $6.78 |
| 2004 | +19.47% | $5.57 | $6.65 |
| 2003 | +58.70% | $3.51 | $5.57 |
| 2002 | -40.25% | $5.87 | $3.51 |
| 2001 | +1.77% | $5.77 | $5.87 |
| 2000 | +24.17% | $4.65 | $5.77 |
| 1999 | -8.58% | $5.08 | $4.65 |
| 1998 | +3.69% | $4.90 | $5.08 |
| 1997 | +26.48% | $3.87 | $4.90 |
| 1996 | -1.97% | $3.95 | $3.87 |
| 1995 | +19.62% | $3.30 | $3.95 |
| 1994 | -11.02% | $3.71 | $3.30 |
| 1993 | +2.55% | $3.62 | $3.71 |
| 1992 | +9.37% | $3.31 | $3.62 |
| 1991 | +43.06% | $2.31 | $3.31 |
| 1990 | +8.63% | $2.13 | $2.31 |
| 1989 | +14.06% | $1.87 | $2.13 |
| 1988 | +11.60% | $1.67 | $1.87 |
| 1987 | -7.19% | $1.80 | $1.67 |
| 1986 | +23.84% | $1.46 | $1.80 |
| 1985 | +35.71% | $1.07 | $1.46 |
| 1984 | +4.39% | $1.03 | $1.07 |
| 1983 | +18.75% | $0.87 | $1.03 |
| 1982 | +24.68% | $0.69 | $0.87 |
| 1981 | +14.07% | $0.61 | $0.69 |
| 1980 | -4.93% | $0.64 | $0.61 |
| 1979 | -6.58% | $0.69 | $0.64 |
| 1978 | -10.06% | $0.76 | $0.69 |
| 1977 | -5.06% | $0.80 | $0.76 |
| 1976 | +30.88% | $0.61 | $0.80 |
| 1975 | +22.52% | $0.50 | $0.61 |
| 1974 | -22.38% | $0.64 | $0.50 |
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: 3/24/2026