BeStock  

Exponent EXPO

US equityMarket cap rank #2419Engineering & Construction
$68.75 +$1.45 (+2.15%)
Market closed · Oct 5, 10:20 pm ET · Last extended-hours $68.75 0.00%
Open$66.92
Prev close$67.30
Day range$66.92 – $69.04
Volume645.0K
Market cap$3.27B
P/E (TTM)30.8
Dividend yield1.77%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership99.7%+2.29 pts vs. prior quarter
Institutions holding401+1 vs. prior quarter
Insider trades (recent)32 buys / 12 sellsNet buying
Short interest6.48% of floatDays to cover 6.8 · as of 15 Sep 2026
Short-sale volume share11.4%5-day average of daily volume

Short-sale volume as % of daily volume

7%10%12%15%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$697.3K (10 inflow days, 10 outflow days).

The five largest holders on file together own 37.4% of shares outstanding.

Largest holders

  • BlackRock13.01%
  • Kayne Anderson Rudnick Investment Management, LLC8.40%
  • Vanguard Portfolio Management, LLC6.61%
  • Vanguard Capital Management, LLC5.32%
  • State Street Global Advisors4.09%
  • Geode Capital Management, LLC3.68%
  • Nationwide Fund Advisors2.87%
  • Royce & Associates, LP2.78%

By investor type

  • Mutual Fund78.85%
  • Hedge Fund10.11%
  • Public Company5.57%
  • Sovereign Wealth Fund1.86%
  • Government Pension Fund1.49%
  • Individual/Insider1.31%
  • Private Company0.85%
  • Insurance Company0.78%

Reported short interest has risen from 5.92% to 6.48% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 3,080,474 6.5% 6.8
31 Aug 2026 2,956,304 6.2% 8.4
14 Aug 2026 2,990,156 6.3% 7.8
31 Jul 2026 2,978,528 6.1% 4.6
15 Jul 2026 2,929,444 6.0% 5.9
30 Jun 2026 2,873,559 5.9% 3.9

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