NORTHWESTERN ENERGY GROUP IN (NWE) Institutional Ownership and Insiders Activity

NORTHWESTERN ENERGY GROUP IN (NWE) is widely held by institutional investors, with 2 tracked firms reporting positions valued at approximately $6.92M based on SEC Form 13F filings for the quarter ended March 31, 2026.

Mairs & Power Growth Fund is the largest disclosed holder, reporting approximately $5.67M in NWE holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Mairs & Power Growth Fund representing the majority of disclosed value.