Knife River Corporation
Knife River Corporation (KNF) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · KNF · as of Mar 31, 2025
Ownership Breakdown
435
Institutional Holders
▲ 11 vs Q4
$4.69B
Total Inst. Value
▼ $334.20M vs Q4
56.75M
Shares Outstanding
freeFloat 99.48%
52.04M
13F Shares Held
▲ 2.56M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
KNF largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. mining & quarrying of nonmetallic minerals (no fuels) | 6.99M | 12.34% | 12.34% | $630.30B | May 2, 2025 | ▼ 121.1K |
VANGUARD GROUP INC mining & quarrying of nonmetallic minerals (no fuels) | 5.87M | 10.37% | 10.37% | $529.63B | May 9, 2025 | ▼ 87.5K |
STATE STREET CORP mining & quarrying of nonmetallic minerals (no fuels) | 2.09M | 3.69% | 3.69% | $188.44B | May 15, 2025 | ▲ 9.1K |
CAPITAL RESEARCH GLOBAL INVESTORS mining & quarrying of nonmetallic minerals (no fuels) | 1.79M | 3.15% | 3.15% | $161.05B | May 12, 2025 | ▼ 151.3K |
PRICE T ROWE ASSOCIATES INC /MD/ mining & quarrying of nonmetallic minerals (no fuels) | 1.67M | 2.95% | 2.95% | $150.46B | May 14, 2025 | ▲ 1.63M |
BARROW HANLEY MEWHINNEY & STRAUSS LLC mining & quarrying of nonmetallic minerals (no fuels) | 1.42M | 2.51% | 2.51% | $128.35B | May 12, 2025 | ▼ 266.5K |
GEODE CAPITAL MANAGEMENT, LLC mining & quarrying of nonmetallic minerals (no fuels) | 1.38M | 2.44% | 2.44% | $124.54B | May 13, 2025 | ▲ 47.8K |
INVESCO LTD. mining & quarrying of nonmetallic minerals (no fuels) | 1.24M | 2.18% | 2.18% | $111.58B | May 12, 2025 | ▲ 357.1K |
ALLIANCEBERNSTEIN L.P. mining & quarrying of nonmetallic minerals (no fuels) | 1.18M | 2.08% | 2.08% | $106.43B | May 15, 2025 | ▲ 78.2K |
DIMENSIONAL FUND ADVISORS LP mining & quarrying of nonmetallic minerals (no fuels) | 1.18M | 2.08% | 2.08% | $106.17B | May 13, 2025 | ▼ 25.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
26
Increased
+4.40M shares3
New Positions
first time holders21
Decreased
−1.75M shares0
Sold Out
fully exitedNet shares change (top 50)
+2.65M
+4.40M / −1.75M
Net new holders
+8
3 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
KNF insider trading · insider activity
Source: SEC Form 4
6
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
SANDBROOK WILLIAM J director | May 20, 2026 | Award | 2,040 | — | — | 7.7K | Form 4 ↗ |
MOSS PATRICIA L director | May 20, 2026 | Award | 2,040 | — | — | 31.9K | Form 4 ↗ |
Hill Thomas W. director | May 20, 2026 | Award | 2,040 | — | — | 5.5K | Form 4 ↗ |
Fagg Karen B director | May 20, 2026 | Award | 2,380 | — | — | 33.3K | Form 4 ↗ |
Chiodo Patricia director | May 20, 2026 | Award | 2,040 | — | — | 5.6K | Form 4 ↗ |
Carmona-Alvarez German director | May 20, 2026 | Award | 2,040 | — | — | 9.0K | Form 4 ↗ |
Fagg Karen B director | Mar 31, 2026 | Award | 221.676 | — | — | 1.1K | Form 4 ↗ |
Gray Brian R. President & CEO | Mar 6, 2026 | Award | 20,955 | — | — | 84.7K | Form 4 ↗ |
Kadrmas Marney L. VP & Chief Accounting Officer | Mar 4, 2026 | Award | 1,199 | — | — | 4.9K | Form 4 ↗ |
Pladsen Glenn R. VP & Chief Excellence Officer | Mar 4, 2026 | Award | 2,950 | — | — | 22.1K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Knife River Corporation (KNF) is primarily owned by institutional investors, who hold approximately 91.7% of total shares outstanding. Company insiders own approximately 0.52%, while retail and public investors account for the remaining 7.78%.
The largest institutional shareholder of Knife River Corporation is BLACKROCK, INC., holding approximately 6.99 million shares — equal to 12.34% of outstanding shares — as of March 31, 2025.
A total of 435 institutional investors currently hold KNF stock, with a combined institutional value of approximately $4.69 billion as of the most recent 13F filing period.
Frequently asked questions
KNF ownershipKnife River Corporation (KNF) is primarily owned by institutional investors, who hold approximately 91.7% of shares. The largest shareholder is BLACKROCK, INC. with a 12.34% stake. Company insiders hold 0.52%. Data sourced from SEC Form 13F as of March 31, 2025.