As of November 7, 2026, 4 holders' latest Schedule 13D or 13G filings report owning 5% or more of Knight-Swift Transportation Holdings Inc. The largest reported stake is SteelMill Master Fund LP's, at 5.7%. 15 filings are on record since July 15, 2025 (Schedule 13G, October 13, 2026).
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Key facts
- · Reporting person: SteelMill Master Fund LP · Sole voting: 0 · Shared voting: 9,352,256 · Sole dispositive: 0 · Shared dispositive: 9,352,256 · SCHEDULE 13G, 2026-10-13
- · Reporting person: Fmr LLC · Sole voting: 5,948,703 · Shared voting: 0 · Sole dispositive: 8,061,153 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-08-06
- · Holder: Wellington Management Group LLP · Percent: 3.7% · SCHEDULE 13G/A
- · Holder: Fmr LLC · Percent: 6% · SCHEDULE 13G/A
- · Holder: Vanguard Capital Management · Percent: 5.08% · SCHEDULE 13G
Knight-Swift Transportation Holdings Inc. has 15 Schedule 13D or 13G filings on record since 2025-07-15. 4 holders' latest filing reports 5% or more of common stock $0.01 par value. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| SteelMill Master Fund LP | 5.7% | 9,352,256 | SCHEDULE 13G, 2026-10-13 | 2026-10-08 |
| Vanguard Capital Management | 5.08% | 8,265,558 | SCHEDULE 13G, 2026-04-30 | 2026-03-31 |
| Dimensional Fund Advisors LP | 5% | 8,143,261 | SCHEDULE 13G, 2025-07-15 | 2025-06-30 |
| Fmr LLC | 5% | 8,061,153 | SCHEDULE 13G/A, 2026-08-06 | 2026-06-30 |
| Victory Capital Management, Inc. | 4.16% | 6,750,987 | SCHEDULE 13G/A, 2026-02-11 | 2025-03-31 |
| Wellington Management Group LLP | 3.7% | 5,944,982 | SCHEDULE 13G/A, 2026-05-15 | 2026-03-31 |
| The Vanguard Group | 0% | 0 | SCHEDULE 13G/A, 2026-03-27 | 2026-03-13 |
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More on Knight-Swift Transportation Holdings Inc. and the records around it.
Knight-Swift Transportation Holdings Inc. elsewhere on the record
- Leadership changes Jun 2026
- Who owns it
Companies that share a holder
- SteelMill Master Fund LP also filed stake reports on 5 other companies: PG&E CORPORATION (Sep 2026), StubHub Holdings, Inc. (Aug 2026), NEXTNAV INC. (May 2026)
- Victory Capital Management, Inc. also filed stake reports on 41 other companies: Angel Oak Mortgage REIT, Inc. (Nov 2026), Bowhead Specialty Holdings Inc. (Jul 2026), Dole plc (Jul 2026)
- Wellington Management Group LLP also filed stake reports on 240 other companies: Hub Group, Inc. (Oct 2026), Latham Group, Inc. (Oct 2026), Redwood Trust, Inc. (Oct 2026)
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| SteelMill Master Fund LP | 0 | 9,352,256 | 0 | 9,352,256 | SCHEDULE 13G, 2026-10-13 |
| PointState Holdings LLC | 0 | 9,352,256 | 0 | 9,352,256 | SCHEDULE 13G, 2026-10-13 |
| PointState Capital LP | 0 | 9,352,256 | 0 | 9,352,256 | SCHEDULE 13G, 2026-10-13 |
| PointState Capital GP LLC | 0 | 9,352,256 | 0 | 9,352,256 | SCHEDULE 13G, 2026-10-13 |
| Zachary J. Schreiber | 0 | 9,352,256 | 0 | 9,352,256 | SCHEDULE 13G, 2026-10-13 |
| Fmr LLC | 5,948,703 | 0 | 8,061,153 | 0 | SCHEDULE 13G/A, 2026-08-06 |
| Abigail P. Johnson | 0 | 0 | 8,061,153 | 0 | SCHEDULE 13G/A, 2026-08-06 |
The latest filing identifies Knight-Swift Transportation Holdings Inc. by CUSIP 499049104 and gives its principal executive office as 2002 West Wahalla Lane, Phoenix, AZ 85027 (SCHEDULE 13G, 2026-10-13).
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-07-15 | Dimensional Fund Advisors LP | 5% | SCHEDULE 13G |
| 2025-08-06 | Fmr LLC | 8% | SCHEDULE 13G/A |
| 2025-08-08 | Victory Capital Management, Inc. | 5.08% | SCHEDULE 13G |
| 2025-08-08 | Victory Capital Management, Inc. | 5.08% | SCHEDULE 13G/A |
| 2025-08-12 | Wellington Management Group LLP | 8.7% | SCHEDULE 13G/A |
| 2025-11-07 | Fmr LLC | 10% | SCHEDULE 13G/A |
| 2025-11-12 | Wellington Management Group LLP | 6.4% | SCHEDULE 13G/A |
| 2026-02-10 | Wellington Management Group LLP | 8% | SCHEDULE 13G/A |
| 2026-02-11 | Victory Capital Management, Inc. | 4.16% | SCHEDULE 13G/A |
| 2026-03-27 | The Vanguard Group | 0% | SCHEDULE 13G/A |
| 2026-04-30 | Vanguard Capital Management | 5.08% | SCHEDULE 13G |
| 2026-05-06 | Fmr LLC | 6% | SCHEDULE 13G/A |
| 2026-05-15 | Wellington Management Group LLP | 3.7% | SCHEDULE 13G/A |
| 2026-08-06 | Fmr LLC | 5% | SCHEDULE 13G/A |
| 2026-10-13 | SteelMill Master Fund LP | 5.7% | SCHEDULE 13G |
Questions about who owns Knight-Swift Transportation Holdings Inc.
Who owns Knight-Swift Transportation Holdings Inc.?
On this page, 4 holders' latest ownership filings report 5% or more of Knight-Swift Transportation Holdings Inc.: SteelMill Master Fund LP (5.7%, Schedule 13G, filed 2026-10-13), Vanguard Capital Management (5.08%, Schedule 13G, filed 2026-04-30), Dimensional Fund Advisors LP (5%, Schedule 13G, filed 2025-07-15) and Fmr LLC (5%, Schedule 13G/A, filed 2026-08-06).
Who are the largest shareholders of Knight-Swift Transportation Holdings Inc.?
By the share each holder's latest filing reports, the largest holders of Knight-Swift Transportation Holdings Inc. on this page are SteelMill Master Fund LP (5.7%), Vanguard Capital Management (5.08%) and Dimensional Fund Advisors LP (5%).
When did SteelMill Master Fund LP buy into Knight-Swift Transportation Holdings Inc.?
The filings give report dates, not purchase dates. The earliest filing from SteelMill Master Fund LP on this page is the Schedule 13G, filed 2026-10-13, reporting 5.7%.
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%); 15 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.
Also on the record for Knight-Swift Transportation Holdings Inc.
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| November 6, 2026 | Leadership change: Swift Appoints Richard Howard appointed | — | Leadership changes | Source |
| June 4, 2026 | Leadership change: Kevin Knight departs, Chair of the Board | — | Leadership changes | Source |
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.