As of November 6, 2026, Knife River Corp is a publicly traded company (NYSE: KNF); its largest reported holder is T. Rowe Price, with 10.8% on Schedule 13G/A of October 7, 2026, then Capital World Investors (5.7%). The largest insider holding is Brian R. Gray, the chief executive and president, with 92,911.68 shares (0.16% of shares outstanding), per Form 4 of March 9, 2026 (Schedule 13G/A, October 7, 2026).
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Is Knife River Corp a real, registered company?
- Knife River Corp files with the SEC under CIK 1955520 (its SEC filings).
- Its shares are listed under the ticker KNF on NYSE (SEC company record).
- Incorporated in Delaware; business address in Bismarck, North Dakota, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under KNIFE RIVER CORP in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Peggy S. Rebstock, Chief Accounting Officer (Form 8-K filed 2026-05-21). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names T. Rowe Price (filed 2026-10-07).
Who are Knife River Corp's owners and officers?
Knife River Corp: incorporated in Delaware; business address in Bismarck, North Dakota; industry Mining & Quarrying of Nonmetallic Minerals (No Fuels) (Schedule 13G/A, 2026-10-07).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-10-07 | T. Rowe Price Associates, Inc. | 10.8% |
| Schedule 13G/A, 2026-08-14 | T. Rowe Price Associates, Inc. | 9% |
| Schedule 13G, 2026-08-12 | Capital World Investors | 5.7% |
| Schedule 13G, 2026-07-31 | Vanguard Portfolio Management | 5.05% |
| Schedule 13G/A, 2026-05-15 | T. Rowe Price Associates, Inc. | 7.9% |
| Schedule 13G, 2026-04-30 | Vanguard Capital Management | 5.25% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2025-11-14 | T. Rowe Price Associates, Inc. | 6.7% |
| Schedule 13G, 2025-08-14 | T. Rowe Price Associates, Inc. | 5.3% |
Questions about who owns Knife River Corp
Who owns Knife River Corp?
On this page, 4 holders' latest ownership filings report 5% or more of Knife River Corp: T. Rowe Price Associates, Inc. (10.8%, Schedule 13G/A, filed 2026-10-07), Capital World Investors (5.7%, Schedule 13G, filed 2026-08-12), Vanguard Capital Management (5.25%, Schedule 13G, filed 2026-04-30) and Vanguard Portfolio Management (5.05%, Schedule 13G, filed 2026-07-31).
Who are the largest shareholders of Knife River Corp?
By the share each holder's latest filing reports, the largest holders of Knife River Corp on this page are T. Rowe Price Associates, Inc. (10.8%), Capital World Investors (5.7%) and Vanguard Capital Management (5.25%).
When did T. Rowe Price Associates, Inc. buy into Knife River Corp?
The filings give report dates, not purchase dates. The earliest filing from T. Rowe Price Associates, Inc. on this page is the Schedule 13G, filed 2025-08-14, reporting 5.3%; its latest, Schedule 13G/A filed 2026-10-07, reports 10.8%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 9 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-05-21 | Peggy S. Rebstock | Chief Accounting Officer | appointed | 2026-05-21 |
| Form 8-K, 2026-05-21 | Peggy S. Rebstock | Vice President | appointed | 2024-10-06 |
Which insiders own Knife River Corp shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chief executive and president: 92,911.68 shares (0.16% of shares outstanding), 84,747 held directly and 8,164.68 indirectly (Form 4, 2026-03-09).
- , the president and chief operating officer: 48,244.19 shares (0.08% of shares outstanding), 46,760 held directly and 1,484.19 indirectly (Form 4, 2026-03-05).
- , the vice president of administration: 47,109.23 shares (0.08% of shares outstanding), 25,776 held directly and 21,333.23 indirectly (Form 4, 2025-03-03).
- , the vice president and chief legal officer: 46,208.85 shares (0.08% of shares outstanding), 44,312 held directly and 1,896.85 indirectly (Form 4, 2026-03-05).
- , a director: 33,317 shares (0.06% of shares outstanding) (Form 4, 2026-10-01).
Shares outstanding: 56,763,420 as of 2026-10-29, from the company's latest SEC cover page.
How much has Knife River Corp raised?
No fundraising or offering filing from Knife River Corp is on file with us.
Keep reading
More on Knife River Corp and the records around it.
Knife River Corp elsewhere on the record
- Leadership changes May 2026
Companies that share a holder
- Capital World Investors also filed stake reports on 125 other companies: New Fortress Energy Inc. (Oct 2026), Aura Minerals Inc. (Oct 2026), Skyworks Solutions, Inc. (Oct 2026)
- T. Rowe Price Associates, Inc. also filed stake reports on 191 other companies: PACIFIC BIOSCIENCES OF CALIF (Nov 2026), APARTMENT INVT & MGMT CO -A (Oct 2026), BETA BIONICS INC (Oct 2026)
- Vanguard Portfolio Management also filed stake reports on 941 other companies: Newmark Group Inc (Nov 2026), A10 Networks Inc (Oct 2026), ADT Inc (Oct 2026)
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