Knife River Corporation (KNF) ownership: Top institutional holder: BlackRock, Inc. ($569.25M). Insider activity: Net Seller (6 buys, 14 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 6971833.00 | $569.25M | 2026-03-31 |
| VANGUARD GROUP INC | 5688172.00 | $400.16M | 2025-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2742086.00 | $223.89M | 2026-03-31 |
| BAILLIE GIFFORD & CO | 2668248.00 | $217.86M | 2026-03-31 |
| Capital World Investors | 2643484.00 | $215.84M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2545890.00 | $207.87M | 2026-03-31 |
| UBS Group AG | 2341397.00 | $191.18M | 2026-03-31 |
| STATE STREET CORP | 2057169.00 | $167.97M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-03-31 | |
| Sell | null | 2026-03-06 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.