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KNF

Knife River Corp

Company with tickers: KNF

CIK
1955520
CUSIP
498894104
Shares Outstanding
56,753,855
13F Activity (30d)
84 filings 82 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 337
Total Value: $1,835,145,750
Total Shares: 22,475,762
Showing 1–100 of 340 holdings by value · page 1 of 4

Institutional Ownership Trend

12 quarters

Holder Concentration

Across 337 13F filers · Δ vs Dec 31, 2025
Top Holder
13.1%
Jun 2023 → Mar 2026 · range 10.3% – 15.3%
+2.8 pts
Top 5
47.3%
Jun 2023 → Mar 2026 · range 35.1% – 47.3%
+12.2 pts
Top 10
63.7%
Jun 2023 → Mar 2026 · range 48.1% – 63.7%
+12.9 pts
HHI
563
Jun 2023 → Mar 2026 · range 375 – 597
Broadly held+188

Quarterly Activity

vs Dec 31, 2025
New
53
Increased
104
Decreased
85
Sold Out
55
Unchanged
95
Holder count: -2
Institutional value: +31.6%
Shares held: +13.4%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 340
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Holder Value (USD) % of 13F Shares Open