EXPONENT INC (EXPO) Institutional Selling Activity

Several institutional investors tracked by InsiderSet reduced exposure to EXPONENT INC (EXPO) during the quarter ended March 31, 2026 based on sequential SEC Form 13F filings.

The largest disclosed institutional seller of EXPO during the latest reporting period reduced its reported position by approximately $3.58M based on quarter-end filing values.

Institutional selling activity may reflect profit-taking, sector rotation, portfolio rebalancing, or changing conviction levels among major investment firms. InsiderSet tracks quarter-over-quarter holding reductions, full exits, estimated value changes, and historical selling activity using publicly disclosed SEC filing data.

The investors covered on this page collectively reduced approximately $3.95M in reported EXPO exposure during the latest filing period, although many institutional holders continue to maintain significant long-term ownership positions in EXPONENT INC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCSell-54,80088,000$5,742,000
Q1 2026Sequoia Financial AdvisorsSell-5,7277,431$484,873

Frequently asked questions about EXPO activity

  • Which institutional owners are buying EXPO?

    Institutional owners buying EXPO include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in EXPO activity?

    "Buy" means an investor increased their reported position in EXPO compared to the prior reporting period. This reflects growing exposure to EXPONENT INC (EXPO) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in EXPO increasing?

    Institutional interest in EXPO can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.