Oak Thistle LLC Invests $5.32 Million in Ameren Corporation $AEE

Institutional investor adds utility stock to portfolio

Apr. 8, 2026 at 11:51am

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Oak Thistle LLC, an institutional investor, purchased a new position in Ameren Corporation (NYSE:AEE) during the fourth quarter, according to a recent SEC filing. The firm bought 53,221 shares of the utilities provider's stock, valued at approximately $5,315,000.

Why it matters

Ameren is a major electric and natural gas utility serving customers in Missouri and Illinois. This investment by Oak Thistle, a prominent institutional investor, signals confidence in Ameren's long-term growth prospects and ability to provide stable returns.

The details

According to the 13F filing, Ameren now comprises about 0.7% of Oak Thistle's holdings, making it the firm's 4th largest position. The purchase comes as Ameren has seen its stock price rise over the past year, driven by steady earnings growth and ongoing infrastructure investments to modernize its grid.

  • Oak Thistle made the purchase during the fourth quarter of 2025.
  • Ameren's stock price has risen over the past 12 months.

The players

Oak Thistle LLC

An institutional investment firm that has purchased a new position in Ameren Corporation.

Ameren Corporation

A major electric and natural gas utility serving customers in Missouri and Illinois.

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What’s next

Investors will be watching to see if other institutional investors follow Oak Thistle's lead and increase their positions in Ameren in the coming quarters.

The takeaway

This investment by a prominent institutional investor like Oak Thistle underscores the market's confidence in Ameren's ability to deliver steady returns for shareholders through its regulated utility operations and ongoing infrastructure upgrades.