KNF
Knife River Corp
Mining & Quarrying of Nonmetallic Minerals (No Fuels)NYSELarge accelerated filer
Total Trades
1
Buys
1
Sells
0
Largest Trade
<$1K
Insiders
1
Institutional Funds
328
Inst. Value
$1M+
Activist Filings
6
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Gray Brian R. | President & CEO | BUY | <$1K | 1 | $73.65 | Mar 4, 2024 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 328 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 2.0M | $1M+ | SH |
| Capital Research Global Investors | 1.7M | $1M+ | SH |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 1.6M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 1.3M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $1M+ | SH |
| Capital World Investors | 1.0M | $1M+ | SH |
| Neuberger Berman Group LLC | 900K | $1M+ | SH |
| WESTWOOD HOLDINGS GROUP INC | 825K | $1M+ | SH |
| Voss Capital, LP | 710K | $1M+ | SH |
| CONGRESS ASSET MANAGEMENT CO | 701K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 651K | $1M+ | SH |
| BAILLIE GIFFORD & CO | 602K | $1M+ | SH |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 591K | $1M+ | SH |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 496K | $1M+ | SH |
| NORGES BANK | 466K | $1M+ | SH |
| US BANCORP \DE\ | 404K | $1M+ | SH |
| DIAMOND HILL CAPITAL MANAGEMENT INC | 329K | $1M+ | SH |
| Paradice Investment Management LLC | 313K | $1M+ | SH |
| LOOMIS SAYLES & CO L P | 307K | $1M+ | SH |
| TEACHER RETIREMENT SYSTEM OF TEXAS | 256K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
T. Rowe Price Associates, Inc.
SC 13G/A · Nov 14, 2025
6.7%
3.8M shares
T. Rowe Price Associates, Inc.
SC 13G · Aug 14, 2025
5.3%
3.0M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
10.7%
6.0M shares
SC 13G/A · Jan 23, 2024
11.9%
6.7M shares
The Vanguard Group - 23-1945930
SC 13G · Dec 8, 2023
10.8%
6.1M shares
SC 13G · Jul 7, 2023
10.4%
5.9M shares