As of November 6, 2026, Keysight Technologies, Inc. is a publicly traded company (NYSE: KEYS); its largest reported holder is Vanguard, with 7.5% on Schedule 13G of April 30, 2026, then T. Rowe Price (5.6%). The largest insider holding is Gooi Soon Chai, the senior vice president, with 241,985.86 shares (0.14% of shares outstanding), per Form 4 of May 16, 2025 (Schedule 13G, April 30, 2026).
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Is Keysight Technologies, Inc. a real, registered company?
- Keysight Technologies, Inc. files with the SEC under CIK 1601046 (its SEC filings).
- Its shares are listed under the ticker KEYS on NYSE (SEC company record).
- Incorporated in Delaware; business address in Santa Rosa, California, 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 KEYSIGHT TECHNOLOGIES IN in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Jason Kary, Chief Financial Officer (Form 8-K filed 2026-11-02). 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 2026-08-14).
Who are Keysight Technologies, Inc.'s owners and officers?
Keysight Technologies, Inc.: incorporated in Delaware; business address in Santa Rosa, California; industry Industrial Instruments For Measurement, Display, and Control (Form D, 2026-11-02).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-08-14 | T. Rowe Price Associates, Inc. | 5.6% |
| Schedule 13G/A, 2026-05-15 | T. Rowe Price Associates, Inc. | 8.7% |
| Schedule 13G, 2026-04-30 | Vanguard Capital Management | 7.5% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 5.03% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
Questions about who owns Keysight Technologies, Inc.
Who owns Keysight Technologies, Inc.?
On this page, 3 holders' latest ownership filings report 5% or more of Keysight Technologies, Inc.: Vanguard Capital Management (7.5%, Schedule 13G, filed 2026-04-30), T. Rowe Price Associates, Inc. (5.6%, Schedule 13G/A, filed 2026-08-14) and Vanguard Portfolio Management (5.03%, Schedule 13G, filed 2026-04-29).
Who are the largest shareholders of Keysight Technologies, Inc.?
By the share each holder's latest filing reports, the largest holders of Keysight Technologies, Inc. on this page are Vanguard Capital Management (7.5%), T. Rowe Price Associates, Inc. (5.6%) and Vanguard Portfolio Management (5.03%).
When did Vanguard Capital Management buy into Keysight Technologies, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Vanguard Capital Management on this page is the Schedule 13G, filed 2026-04-30, reporting 7.5%.
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%); 5 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, 2026-11-02 | Jason Kary | Chief Financial Officer | appointed | 2026-12-18 |
| Form 8-K, 2026-11-02 | Neil Dougherty | Chief Financial Officer | departed | |
| Form 8-K, 2026-08-26 | Scott Reese | appointed | 2026-08-26 | |
| Form 8-K, 2026-08-26 | Scott Reese | Director | appointed |
Which insiders own Keysight Technologies, Inc. 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 senior vice president: 241,985.86 shares (0.14% of shares outstanding) (Form 4, 2025-05-16).
- , a director: 164,246.74 shares (0.10% of shares outstanding) (Form 4, 2026-03-24).
- , the chief financial officer and executive vice president: 123,389.55 shares (0.07% of shares outstanding) (Form 4, 2026-09-23).
- , the chief executive and president: 118,390.578 shares (0.07% of shares outstanding) (Form 4, 2026-10-02).
- , the senior vice president: 101,861.19 shares (0.06% of shares outstanding) (Form 4, 2026-09-09).
Shares outstanding: 170,244,745 as of 2026-08-27, from the company's latest SEC cover page.
How much has Keysight Technologies, Inc. raised?
No fundraising or offering filing from Keysight Technologies, Inc. is on file with us.
Keep reading
More on Keysight Technologies, Inc. and the records around it.
Keysight Technologies, Inc. elsewhere on the record
- Leadership changes Aug 2026
Companies that share a holder
- 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)
- Vanguard Capital Management also filed stake reports on 1495 other companies: A10 Networks Inc (Oct 2026), Altisource Portfolio Solutions SA (Oct 2026), Alto Neuroscience Inc (Oct 2026)
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