Ameren Illinois Company PFD 4.26%
AILIO
Rank in Stocks
#855
Ameren Illinois Company (AILIO), an entity incorporated in Illinois, functions... Ameren Illinois Company (AILIO), an entity incorporated in Illinois, functions as a subsidiary of Ameren Corporation. This company manages a rate-regulated utility business throughout Illinois, concentrating on the transmission and distribution of both electricity and natural gas. Its operations are structured into three main segments: Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Illinois Transmission. While the Electric Distribution and Natural Gas segments handle their respective utility operations within Ameren Illinois, the Transmission segment is distinctive for encompassing the aggregated electric transmission assets from both Ameren Illinois and ATXI. A significant portion of the company's revenue is generated by the Ameren Illinois Electric Distribution segment.
Share Price
$66.00
Last synced: 2026-10-20
Market Cap
$28.07B
Change (1 day)
0.00%
Change (1 year)
-2.94%
Country
US
Trade Ameren Illinois Company PFD 4.26% (AILIO)
Category
Utilities
Stock price history for Ameren Illinois Company PFD 4.26% (AILIO)
Highest end of day price: $65.94 on 2026-10-01
Lowest end of day price: $60.00 on 1973-03-01
Lowest end of day price: $60.00 on 1973-03-01
Stock price history of Ameren Illinois Company PFD 4.26% from 1973 to 2026
Annual Stock Price Performance
| Year | Performance |
|---|---|
| 2026 (TTM) | -0.31% |
| 2025 | 0.03% |
| 2024 | 6.52% |
| 2023 | -19.35% |
| 2022 | -16.05% |
| 2021 | -1.90% |
| 2020 | 1.52% |
| 2019 | 3.74% |
| 2018 | -3.31% |
| 2017 | -1.32% |
| 2016 | -0.09% |
| 2015 | 3.83% |
| 2014 | 0.12% |
| 2013 | -3.22% |
| 2012 | 8.79% |
| 2011 | 22.11% |
| 2002 | 7.61% |
| 2001 | 21.49% |
| 2000 | -11.86% |
| 1999 | -19.42% |
| 1998 | 10.97% |
| 1997 | 17.02% |
| 1996 | 9.38% |
| 1995 | 21.94% |
| 1994 | -17.63% |
| 1993 | 10.08% |
| 1992 | 0.20% |
| 1991 | 17.13% |
| 1990 | 0.48% |
| 1989 | 7.66% |
| 1988 | -5.05% |
| 1987 | -13.86% |
| 1986 | 28.08% |
| 1985 | 15.49% |
| 1984 | -1.21% |
| 1983 | -9.49% |
| 1982 | 22.09% |
| 1981 | -1.09% |
| 1980 | -17.47% |
| 1979 | -19.28% |
| 1978 | -14.35% |
| 1977 | 2.21% |
| 1976 | 10.07% |
| 1975 | 11.30% |
| 1974 | -17.86% |
| 1973 | 0.00% |
Stock price for similar companies or competitors
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|---|---|---|---|
| $78.22 | -6.87% |
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| $90.43 | -6.78% |
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| $120.75 | -5.91% |
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| $127.58 | 8.64% |
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| $62.36 | 2.44% |
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