Oak Thistle LLC Boosts Stake in NiSource, Inc.

The investment firm increased its holdings in the utility company by nearly 89% in the fourth quarter.

Apr. 8, 2026 at 11:52am

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Oak Thistle LLC, an investment firm, boosted its stake in NiSource, Inc. (NYSE:NI) by 88.9% during the fourth quarter, according to a recent SEC filing. The firm now owns 67,854 shares of the utilities provider's stock, worth $2.83 million.

Why it matters

This investment signals Oak Thistle's confidence in NiSource's future performance and growth potential. As a major utility company, NiSource's stock movements and institutional investor activity are closely watched by the market.

The details

Oak Thistle LLC acquired an additional 31,934 shares of NiSource during the fourth quarter, increasing its total holdings to 67,854 shares. The investment firm's position in NiSource is now valued at $2.83 million, up from $1.5 million at the end of the previous quarter.

  • Oak Thistle LLC filed the SEC disclosure on April 8, 2026.
  • The firm increased its NiSource stake during the fourth quarter of 2025.

The players

Oak Thistle LLC

An investment firm that has increased its stake in NiSource, Inc., a major U.S. utility company.

NiSource, Inc.

A publicly traded energy holding company that owns and operates regulated local gas and electric utilities in the United States.

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The takeaway

This investment by Oak Thistle LLC suggests the firm sees long-term growth potential in NiSource's utility business, which could signal positive momentum for the company's stock going forward.