KNIFE RIVER CORP (KNF) Stock Institutional Trading Activity
KNIFE RIVER CORP (KNF) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Mairs & Power Growth Fund, Sequoia Financial Advisors, Longleaf Partners, and Hancock Classic Value. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- KNIFE RIVER CORP (KNF) stock institutional ownership
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q4 2025 | Renaissance Technologies LLC | Buy | 46,700 | 116,100 | $8,167,635 |
| Q4 2025 | Mairs & Power Growth Fund | Buy | 1,810 | 123,855 | $8,713,199 |
| Q3 2025 | Mairs & Power Growth Fund | Buy | 8,129 | 122,045 | $9,381,599 |
| Q2 2025 | Sequoia Financial Advisors | Buy | 1,351 | 3,344 | $273,005 |
| Q2 2025 | Renaissance Technologies LLC | Sell | -85,600 | 69,400 | $5,665,816 |
| Q2 2025 | Mairs & Power Growth Fund | Sell | -13,104 | 113,916 | $9,300,102 |
| Q1 2025 | Mairs & Power Growth Fund | Buy | 85 | 127,020 | $11,458,474 |
| Q1 2025 | Renaissance Technologies LLC | Sell | -13,700 | 155,000 | $13,982,550 |
| Q4 2024 | Sequoia Financial Advisors | Buy | 1,993 | 1,993 | $202,569 |
| Q4 2024 | Mairs & Power Growth Fund | Sell | -70 | 126,935 | $12,901,673 |
| Q4 2024 | Renaissance Technologies LLC | Sell | -12,700 | 168,700 | $17,146,668 |
| Q3 2024 | Mairs & Power Growth Fund | Buy | 8,855 | 127,005 | $11,352,977 |
| Q3 2024 | Renaissance Technologies LLC | Sell | -3,600 | 181,400 | $16,215,346 |
| Q2 2024 | Mairs & Power Growth Fund | Buy | 8,865 | 118,150 | $8,287,041 |
| Q2 2024 | Renaissance Technologies LLC | Buy | 25,600 | 185,000 | $12,975,900 |
| Q1 2024 | Renaissance Technologies LLC | Buy | 59,800 | 159,400 | $12,924 |
| Q1 2024 | Mairs & Power Growth Fund | Buy | 24,580 | 109,285 | $8,860,828 |
| Q4 2023 | Renaissance Technologies LLC | Sell | -64,500 | 99,600 | $6,592 |
| Q4 2023 | Mairs & Power Growth Fund | Buy | 84,705 | 84,705 | $5,605,777 |
| Q4 2023 | Longleaf Partners | Sell | -443,081 | 320,291 | $21,196,858 |
| Q3 2023 | Renaissance Technologies LLC | Buy | 164,100 | 164,100 | $8,013 |
| Q2 2023 | Longleaf Partners | Buy | 763,372 | 763,372 | $33,206,681 |
| Q2 2023 | Hancock Classic Value | Buy | 198,832 | 198,832 | $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.