As of November 7, 2026, Exponent Inc is a publicly traded company (Nasdaq: EXPO); its largest reported holder is Kayne Anderson Rudnick, with 7.9% on Schedule 13G/A of May 14, 2026, then Vanguard (6.07%). The largest insider holding is Richard L. Schlenker Jr., the chief financial officer and executive vice president, with 230,351 shares (0.48% of shares outstanding), per Form 4 of March 13, 2026 (Schedule 13G/A, May 14, 2026).
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Is Exponent Inc a real, registered company?
- Exponent Inc files with the SEC under CIK 851520 (its SEC filings).
- Its shares are listed under the ticker EXPO on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Menlo Park, 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 Exponent Inc in our court records and SEC 8-K records (as of 2026-11-07).
- Leadership changes: the latest reported is John D. Pye, President (Form 8-K filed 2026-04-06). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Kayne Anderson Rudnick (filed 2026-05-14).
Who are Exponent Inc's owners and officers?
Exponent Inc: incorporated in Delaware; business address in Menlo Park, California; industry Services-Management Consulting Services (Schedule 13G/A, 2026-05-14).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-05-14 | Kayne Anderson Rudnick Investment Management, LLC | 7.9% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 6.07% |
| Schedule 13G, 2026-04-29 | Vanguard Capital Management | 5.25% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-01-09 | Conestoga Capital Advisors | 5.06% |
Questions about who owns Exponent Inc
Who owns Exponent Inc?
On this page, 4 holders' latest ownership filings report 5% or more of Exponent Inc: Kayne Anderson Rudnick Investment Management, LLC (7.9%, Schedule 13G/A, filed 2026-05-14), Vanguard Portfolio Management (6.07%, Schedule 13G, filed 2026-04-29), Vanguard Capital Management (5.25%, Schedule 13G, filed 2026-04-29) and Conestoga Capital Advisors (5.06%, Schedule 13G/A, filed 2026-01-09).
Who are the largest shareholders of Exponent Inc?
By the share each holder's latest filing reports, the largest holders of Exponent Inc on this page are Kayne Anderson Rudnick Investment Management, LLC (7.9%), Vanguard Portfolio Management (6.07%) and Vanguard Capital Management (5.25%).
When did Kayne Anderson Rudnick Investment Management, LLC buy into Exponent Inc?
The filings give report dates, not purchase dates. The earliest filing from Kayne Anderson Rudnick Investment Management, LLC on this page is the Schedule 13G/A, filed 2026-05-14, reporting 7.9%. That earliest filing is itself an amendment, which updates an earlier report.
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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What They Do, And How The Money Works
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-04-06 | John D. Pye | President | appointed | 2026-05-01 |
| Form 8-K, 2026-04-06 | John D. Pye | Vice President | appointed | |
| Form 8-K, 2026-04-06 | Paul R. Johnston | departed |
Which insiders own Exponent 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 chief financial officer and executive vice president: 230,351 shares (0.48% of shares outstanding) (Form 4, 2026-03-13).
- , the chief executive and a director: 129,108 shares (0.27% of shares outstanding) (Form 4, 2026-08-18).
- , a director: 62,940 shares (0.13% of shares outstanding) (Form 4, 2026-06-04).
- , the president: 40,873 shares (0.09% of shares outstanding) (Form 4, 2026-09-22).
- , the president: 39,226 shares (0.08% of shares outstanding) (Form 4, 2026-03-13).
Shares outstanding: 47,552,453 as of 2026-10-30, from the company's latest SEC cover page.
How much has Exponent Inc raised?
No fundraising or offering filing from Exponent Inc is on file with us.
Keep reading
More on Exponent Inc and the records around it.
Exponent Inc elsewhere on the record
- Leadership changes Apr 2026
Companies that share a holder
- Conestoga Capital Advisors also filed stake reports on 6 other companies: LEMAITRE VASCULAR INC (Jan 2026), Stevanato Group S.p.A. (Jan 2026), TRANSCAT INC (Jan 2026)
- Kayne Anderson Rudnick Investment Management, LLC also filed stake reports on 53 other companies: Andersen Group Inc. (Aug 2026), Bright Horizons Family Solutions Inc (Aug 2026), Choice Hotels International Inc (Aug 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)
Related pages
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