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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

KNF

Knife River Corp

Superinvestors

Institutional investors holding KNF

Consensus →
InvestorFundWeightSharesValueQuarter
Mason HawkinsLongleaf Partners – Southeastern Asset Management0.81%320,291$21.2M2023Q4
Mairs & PowerMairs & Power Growth Fund0.11%134,428$11.0M2026Q1
Meridian / ArrowMarkMeridian Contrarian Fund0.05%23,000$1.9M2026Q1
Richard PzenaPzena Investment Management0.04%198,832$8.6M2023Q2

Congressional Activity

Congressional data coming soon

Insider Activity

3

Total trades

$18K

Volume

3

Buys

0

Sells

Last trade: May 20, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
May 20, 2026German Carmona-AlvarezBuy–
May 20, 2026Patricia ChiodoBuy–

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.

Mar 31, 2026
Karen B Fagg
Buy
$18K