KNIFE RIVER CORP (KNF) Institutional Ownership Changes & 13F Activity

KNIFE RIVER CORP (KNF) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Mairs & Power Growth Fund, Sequoia Financial Advisors, Longleaf Partners, and Hancock Classic Value.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCSell-108,4007,700$628,705
Q1 2026Mairs & Power Growth FundBuy10,573134,428$10,976,046
Q1 2026Sequoia Financial AdvisorsSell-8342,786$227,477
Q4 2025Renaissance Technologies LLCBuy46,700116,100$8,167,635
Q4 2025Mairs & Power Growth FundBuy1,810123,855$8,713,199
Q4 2025Sequoia Financial AdvisorsBuy2763,620$254,667
Q3 2025Mairs & Power Growth FundBuy8,129122,045$9,381,599
Q2 2025Renaissance Technologies LLCSell-85,60069,400$5,665,816
Q2 2025Mairs & Power Growth FundSell-13,104113,916$9,300,102
Q2 2025Sequoia Financial AdvisorsBuy1,3513,344$273,005
Q1 2025Renaissance Technologies LLCSell-13,700155,000$13,982,550
Q1 2025Mairs & Power Growth FundBuy85127,020$11,458,474
Q4 2024Renaissance Technologies LLCSell-12,700168,700$17,146,668
Q4 2024Sequoia Financial AdvisorsBuy1,9931,993$202,569
Q4 2024Mairs & Power Growth FundSell-70126,935$12,901,673
Q3 2024Mairs & Power Growth FundBuy8,855127,005$11,352,977
Q3 2024Renaissance Technologies LLCSell-3,600181,400$16,215,346
Q2 2024Renaissance Technologies LLCBuy25,600185,000$12,975,900
Q2 2024Mairs & Power Growth FundBuy8,865118,150$8,287,041
Q1 2024Renaissance Technologies LLCBuy59,800159,400$12,924
Q1 2024Mairs & Power Growth FundBuy24,580109,285$8,860,828
Q4 2023Longleaf PartnersSell-443,081320,291$21,196,858
Q4 2023Mairs & Power Growth FundBuy84,70584,705$5,605,777
Q4 2023Renaissance Technologies LLCSell-64,50099,600$6,592
Q3 2023Renaissance Technologies LLCBuy164,100164,100$8,013
Q2 2023Longleaf PartnersBuy763,372763,372$33,206,681
Q2 2023Hancock Classic ValueBuy198,832198,832$8,649,192

Frequently asked questions about KNF activity

  • Which institutional owners are buying KNF?

    Institutional owners buying KNF include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in KNF activity?

    "Buy" means an investor increased their reported position in KNF compared to the prior reporting period. This reflects growing exposure to KNIFE RIVER CORP (KNF) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in KNF increasing?

    Institutional interest in KNF can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

Related KNF insights