Exponent, Inc. (EXPO) ownership: insiders 1% · institutions 78% · index and ETF funds 24% (13F 2026-03-31). Insider activity, 90 days: Routine (4 sales, 0 open-market buys). 5 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| BlackRock | 6068812.00 | $395.99M | 12.8% | 2026-03-31 |
| Vanguard | 5593832.00 | $365.00M | 11.8% | 2026-03-31 |
| Kayne Anderson Rudnick Investment Management LLC | 3886308.00 | $253.58M | 8.2% | 2026-03-31 |
| Conestoga Capital Advisors, LLC | 1906505.00 | $124.40M | 4.0% | 2026-03-31 |
| State Street | 1889536.00 | $123.29M | 4.0% | 2026-03-31 |
| Geneva Capital Management LLC | 1795507.00 | $117.16M | 3.8% | 2026-03-31 |
| Geode Capital Management | 1647614.00 | $107.52M | 3.5% | 2026-03-31 |
| Royce & Associates LP | 1144873.00 | $74.70M | 2.4% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-17 | |
| Sell | null | 2026-08-17 | |
| Sell | null | 2026-08-17 | |
| Sell | null | 2026-07-28 | |
| Sell | null | 2026-07-28 | |
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-07-15 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.