Mairs and Power's LNT Position Overview
Mairs and Power (via Mairs & Power INC) currently holds 3.0M shares of Alliant Energy Corporation (LNT) worth $201.8 M, representing 1.90% of the portfolio. First purchased in 2013-Q4, this long-term strategic position has been held for 48 quarters.
Based on 13F filings since 2013, Mairs and Power has maintained a long-term strategic position in LNT, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2023, adding 1.6M shares. Largest reduction occurred in Q1 2025, reducing 869.3K shares.
Analysis based on 13F filings available since 2013 Q2
Mairs and Power's Alliant Energy Corporation (LNT) Holding Value Over Time
Track share changes against reported price movement
Quarterly Alliant Energy Corporation (LNT) Trades by Mairs and Power
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2013 | +7,910 | New Buy | 7,910 | $25.79 |
| Q1 2014 | +1,218 | Add 15.40% | 9,128 | $28.37 |
| Q3 2014 | -134 | Reduce 1.47% | 8,994 | $27.69 |
| Q1 2015 | -266 | Reduce 2.96% | 8,728 | $31.51 |
| Q3 2017 | -1,500 | Reduce 17.19% | 7,228 | $41.51 |
| Q2 2018 | +369 | Add 5.11% | 7,597 | $42.39 |
| Q3 2018 | -369 | Reduce 4.86% | 7,228 | $42.61 |
| Q2 2019 | -1,610 | Reduce 22.27% | 5,618 | $49.13 |
| Q3 2020 | +219,306 | Add 3903.63% | 224,924 | $51.65 |
| Q4 2020 | +290,297 | Add 129.06% | 515,221 | $51.53 |
| Q1 2021 | +228,737 | Add 44.40% | 743,958 | $54.16 |
| Q2 2021 | +28,123 | Add 3.78% | 772,081 | $55.76 |
| Q3 2021 | +4,814 | Add 0.62% | 776,895 | $55.98 |
| Q4 2021 | -1,911 | Reduce 0.25% | 774,984 | $61.47 |
| Q1 2022 | -1,153 | Reduce 0.15% | 773,831 | $62.48 |
| Q2 2022 | -3,086 | Reduce 0.40% | 770,745 | $58.61 |
| Q3 2022 | -44,428 | Reduce 5.76% | 726,317 | $52.99 |
| Q4 2022 | -44,517 | Reduce 6.13% | 681,800 | $55.21 |
| Q1 2023 | +405,997 | Add 59.55% | 1.09 M | $53.40 |
| Q2 2023 | +1.63 M | Add 149.81% | 2.72 M | $52.48 |
| Q3 2023 | +388,503 | Add 14.30% | 3.11 M | $48.45 |
| Q4 2023 | +67,550 | Add 2.17% | 3.17 M | $51.30 |
| Q1 2024 | +147,884 | Add 4.66% | 3.32 M | $50.40 |
| Q2 2024 | +510,031 | Add 15.36% | 3.83 M | $50.90 |
| Q3 2024 | +263,820 | Add 6.89% | 4.1 M | $60.69 |
| Q4 2024 | -181,252 | Reduce 4.43% | 3.91 M | $59.14 |
| Q1 2025 | -869,329 | Reduce 22.21% | 3.04 M | $64.35 |
| Q2 2025 | -2,496 | Reduce 0.08% | 3.04 M | $60.47 |
| Q3 2025 | -48,499 | Reduce 1.59% | 2.99 M | $67.41 |
Mairs and Power's Alliant Energy Corporation Investment FAQs
Mairs and Power first purchased Alliant Energy Corporation (LNT) in Q4 2013, acquiring 7,910 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mairs and Power has held Alliant Energy Corporation (LNT) for 48 quarters since Q4 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mairs and Power's largest addition to Alliant Energy Corporation (LNT) was in Q2 2023, adding 2,717,431 shares worth $142.61 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Mairs and Power's firm, Mairs & Power INC, owns 2,993,643 shares of Alliant Energy Corporation (LNT), valued at approximately $201.8 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Alliant Energy Corporation (LNT) represents approximately 1.90% of Mairs and Power's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mairs and Power's peak holding in Alliant Energy Corporation (LNT) was 4,095,219 shares, as reported at the end of Q3 2024. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.