EXPO · Insider trading · 13F holders · Congress trades
Exponent Inc (EXPO)
Who is buying and selling EXPO: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 7
- Insider buys, 90 days
- $13K
- Insider sales, 90 days
- $113K
- Congress trades, 12 months
- 5
EXPO at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 2 EXPO insiders filed 1 open-market purchase worth $13K and 1 sale worth $113K on SEC Form 4; 1 of the sales were pre-planned under Rule 10b5-1.
- 7 13F filers hold EXPO among their 50 largest positions, worth $498.4M combined. The biggest bets by portfolio weight are Montanaro Asset Management Ltd (3.3%), Geneva Capital Management LLC (1.9%) and Conestoga Capital Advisors, LLC (1.6%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
- Members of Congress have disclosed 6 EXPO trades since 2019, 3 purchases and 2 sales in the past year; the latest was Lisa C. McClain (R-MI), selling $1K–15K on Sep 11, 2025.
- EXPO last closed at $78.31 on Oct 29, 2026.
EXPO insider trading
Between Aug 1, 2026 and Oct 29, 2026, 2 EXPO insiders filed 1 open-market purchase worth $13K and 1 sale worth $113K on SEC Form 4; 1 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 22, 2026 | Souri Shukri Jeries | Group Vice President | Buy | 184 | $68.45 | $13K | SEC |
| Aug 18, 2026 | Corrigan Catherine | Chief Executive Officer, Director | Sale10b5-1 | 1,707 | $66.28 | $113K | SEC |
Who owns EXPO? Hedge funds and superinvestors
7 13F filers hold EXPO among their 50 largest positions, worth $498.4M combined. The biggest bets by portfolio weight are Montanaro Asset Management Ltd (3.3%), Geneva Capital Management LLC (1.9%) and Conestoga Capital Advisors, LLC (1.6%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Kayne Anderson Rudnick Investment Management LLCAsset manager | 0.7% | $234.8M | 3,995,684 | +2.8% shares | Q2 2026 |
| Geneva Capital Management LLCAsset manager | 1.9% | $82.6M | 1,405,173 | -21.7% shares | Q2 2026 |
| Royce & Associates LPMutual fund manager | 0.6% | $77.7M | 1,323,097 | +15.6% shares | Q2 2026 |
| Conestoga Capital Advisors, LLCMutual fund manager | 1.6% | $74.4M | 1,265,704 | -33.6% shares | Q2 2026 |
| Roffman Miller Associates Inc /pa/Investment manager | 0.9% | $17.6M | 319,292 | +13.9% shares | Q3 2026 |
| Montanaro Asset Management LtdAsset manager | 3.3% | $10.5M | 179,089 | -6.6% shares | Q2 2026 |
| PineStone Asset Management Inc.Hedge fund | 0.0% | $772K | 11,794 | +0.0% shares | Q3 2026 |
Each manager counts with its latest 13F (Q3 2026: 2, Q2 2026: 5). Screen EXPO in the grand portfolio →
EXPO stock trades by members of Congress
Members of Congress have disclosed 6 EXPO trades since 2019, 3 purchases and 2 sales in the past year; the latest was Lisa C. McClain (R-MI), selling $1K–15K on Sep 11, 2025.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Oct 22, 2025 | Lisa C. McClainR-MI · House | Sale | $1K–15K | Sep 11, 2025 | +15.6% |
| Sep 12, 2025 | Lisa C. McClainR-MI · House | Buy | $1K–15K | Aug 13, 2025 | +12.9% |
| Jun 22, 2025 | Jefferson ShreveR-IN · House | Sale | $15K–50K | May 12, 2025 | +3.1% |
| Apr 11, 2025 | Jefferson ShreveR-IN · House | Buy | $15K–50K | Mar 13, 2025 | +0.2% |
| Mar 9, 2025 | Jefferson ShreveR-IN · House | Buy | $15K–50K | Feb 24, 2025 | -3.3% |
| Dec 31, 2019 | Greg GianforteR-MT · House | Buy | $100K–250K | Dec 16, 2019 | +22.0% |
3 members have traded EXPO: Lisa C. McClain, Jefferson Shreve, Greg Gianforte.
EXPO questions and answers
Are insiders buying EXPO stock?
Between Aug 1, 2026 and Oct 29, 2026, 2 EXPO insiders filed 1 open-market purchase worth $13K and 1 sale worth $113K on SEC Form 4; 1 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own EXPO?
7 13F filers hold EXPO among their 50 largest positions, worth $498.4M combined. The biggest bets by portfolio weight are Montanaro Asset Management Ltd (3.3%), Geneva Capital Management LLC (1.9%) and Conestoga Capital Advisors, LLC (1.6%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
Has Congress traded EXPO?
Members of Congress have disclosed 6 EXPO trades since 2019, 3 purchases and 2 sales in the past year; the latest was Lisa C. McClain (R-MI), selling $1K–15K on Sep 11, 2025.
Who is the largest holder of EXPO?
Among 13F filers, Kayne Anderson Rudnick Investment Management LLC reports the largest EXPO position, $234.8M (3,995,684 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Montanaro Asset Management Ltd's: 3.3% of its portfolio.
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