KNIFE RIVER CORP (KNF) Institutional Ownership and Insiders Activity

KNIFE RIVER CORP (KNF) is widely held by institutional investors, with 2 tracked firms reporting positions valued at approximately $11.60M based on SEC Form 13F filings for the quarter ended March 31, 2026.

Mairs & Power Growth Fund is the largest disclosed holder, reporting approximately $10.98M in KNF holdings in its latest filing.

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

Recent insider activity includes 6 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.