Knife River
Mines aggregates and integrates them into concrete, asphalt and infrastructure contracting.
$64.37
After-hours close+0.11 (+0.16%)
At close$64.27(−3.46%)
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Breakdown13F · Form 4
Institutions 107.46%Insiders 0.63%
A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.
Shares outstanding 56.76M · Float 56.47M · 99.5% free float
Institutions13F, as of Jun 30, 2026
397 holders · 61.00M shares · 44 new positions · 170 increased · 137 reduced · 40 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 7.29M | 12.84% | +318.4K | Aug 7, 2026 |
| Price T Rowe Associates Inc /MD/ | 5.12M | 9.01% | +619.1K | Aug 14, 2026 |
| Capital World Investors | 3.24M | 5.72% | +600.7K | Aug 12, 2026 |
| Vanguard Portfolio Management LLC | 2.82M | 4.96% | +73.1K | Aug 13, 2026 |
| Baillie Gifford & Co | 2.74M | 4.83% | +71.0K | Aug 6, 2026 |
| Vanguard Capital Management LLC | 2.56M | 4.51% | +16.2K | Aug 13, 2026 |
| State Street Corp | 2.15M | 3.80% | +97.7K | Aug 7, 2026 |
| Dimensional Fund Advisors LP | 1.79M | 3.15% | +325.5K | Aug 11, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| T. Rowe Price Associates, Inc. | 7.90% | 4.50M | 13G | May 15, 2026 ↗ |
| Capital World Investors | 5.70% | 3.24M | 13G | Aug 12, 2026 ↗ |
| Vanguard Capital Management | 5.25% | 2.98M | 13G | Apr 30, 2026 ↗ |
| Vanguard Portfolio Management | 5.05% | 2.87M | 13G | Jul 31, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Brian R. Gray | director, officer: President & CEO | 84.7K | 0.15% | Mar 9, 2026 |
| Trevor J. Hastings | officer: Vice President & COO | 46.8K | 0.08% | Mar 5, 2026 |
| Karl A. Liepitz | officer: VP, Chief Legal Officer & Sec. | 44.3K | 0.08% | Mar 5, 2026 |
| Karen B. Fagg | director | 33.3K | 0.06% | May 21, 2026 |
| Patricia L. Moss | director | 31.9K | 0.06% | May 21, 2026 |
| Nathan W. Ring | officer: Vice President & CFO | 30.5K | 0.05% | Mar 5, 2026 |
| Nancy K. Christenson | officer: VP of Administration | 25.8K | 0.05% | Mar 3, 2025 |
| Glenn R. Pladsen | officer: VP & Chief Excellence Officer | 22.1K | 0.04% | Mar 5, 2026 |
| German Carmona-Alvarez | director | 9.0K | 0.02% | May 21, 2026 |
| William J. Sandbrook | director | 7.7K | 0.01% | May 21, 2026 |
1 person has not refiled in the last 18 months (30.3K shares), so they are not in the figure above
Latest trades
No open-market trades in the last 12 months.
CongressHouse and Senate disclosures
Not reported.