Oak Thistle LLC Boosts CMS Energy Holdings by Over 500%

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Oak Thistle LLC, an investment management firm, has significantly increased its holdings in CMS Energy Corporation (NYSE: CMS), a Michigan-based utility company. According to a recent SEC filing, Oak Thistle boosted its stake in CMS Energy by 506.2% in the fourth quarter, now owning 52,685 shares worth $3.68 million.

Why it matters

This sizable increase in Oak Thistle's CMS Energy holdings suggests the investment firm sees strong potential in the utility company, which provides electricity and natural gas services to customers across Michigan. The move also highlights the ongoing interest from institutional investors in the regulated utility sector, which has seen relatively stable performance amid broader market volatility.

The details

Oak Thistle LLC's SEC filing shows the firm acquired an additional 43,994 shares of CMS Energy in the fourth quarter, bringing its total holdings to 52,685 shares. This represents a 506.2% increase in Oak Thistle's position in the utility company. CMS Energy now accounts for 0.5% of Oak Thistle's overall investment portfolio, making it the firm's 14th largest holding.

• Oak Thistle LLC filed the SEC report disclosing its increased CMS Energy holdings on April 8, 2026.
• The firm boosted its CMS Energy stake during the fourth quarter of 2025.