Exponent Inc (EXPO)
Who owns Exponent Inc (EXPO)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.8% of the shares are freely tradable; institutional investors hold 101.8%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 12.51 | 6,068,812 | -1.6 | 03/31/2026 |
| Vanguard Group Inc | 10.60 | 5,143,010 | -2.1 | 12/31/2025 |
| Kayne Anderson Rudnick Investment Management LLC | 8.01 | 3,886,308 | -6.2 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 6.07 | 2,946,756 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.56 | 2,210,650 | +0.0 | 03/31/2026 |
| Conestoga Capital Advisors, LLC | 3.93 | 1,906,505 | -20.3 | 03/31/2026 |
| State Street Corp | 3.90 | 1,889,536 | +1.8 | 03/31/2026 |
| Geneva Capital Management | 3.70 | 1,795,507 | +3.9 | 03/31/2026 |
| Geode Capital Management, LLC | 3.40 | 1,647,614 | +3.6 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.49 | 1,692,615 | +0.0 | 05/29/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 28. Jul 2026 | Corrigan Catherine | Chief Executive Officer | Other | 12,665 | 37.45 | 474,304 |
| 15. Jul 2026 | Corrigan Catherine | Chief Executive Officer | Sell | 1,737 | 62.78 | 109,045 |
| 15. Jul 2026 | Corrigan Catherine | Chief Executive Officer | Other | 2,379 | 29.05 | 69,110 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.