Alliant Energy Shares Sold by Artisan Partners

Institutional investor decreases stake in utility company

Published on Feb. 28, 2026

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Artisan Partners Limited Partnership, a major institutional investor, decreased its stake in Alliant Energy Corporation (NASDAQ:LNT) by 6.6% during the 3rd quarter of 2025, according to a recent SEC filing. The firm now owns approximately 932,209 shares of the utility company's stock, worth around $62.8 million.

Why it matters

Alliant Energy is a major electric and natural gas utility serving customers primarily in Wisconsin and Iowa. Changes in institutional ownership can signal shifts in investor sentiment and influence the company's stock price and access to capital.

The details

According to the SEC filing, Artisan Partners Limited Partnership sold 66,354 shares of Alliant Energy during the 3rd quarter, reducing its total stake to 932,209 shares. The firm now owns approximately 0.36% of the company's outstanding shares. Alliant Energy's stock has traded in the range of $57.09 to $72.40 over the past 52 weeks.

  • Artisan Partners decreased its stake in Alliant Energy during the 3rd quarter of 2025.

The players

Artisan Partners Limited Partnership

A major institutional investor and asset management firm.

Alliant Energy Corporation

A publicly traded energy holding company that provides regulated electric and natural gas utility services in the American Midwest.

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The takeaway

The decrease in Artisan Partners' stake in Alliant Energy could signal a shift in investor sentiment towards the utility company, though the overall impact remains to be seen. Investors will likely monitor Alliant Energy's financial performance and any further changes in institutional ownership.