EXPONENT INC (EXPO) Stock Institutional Trading Activity


EXPONENT INC (EXPO) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q1 2026), investors with some of the largest reported share count changes include Sequoia Financial Advisors, Renaissance Technologies LLC, Fundsmith, Polen Capital Management, and Vulcan Value Partners. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2020Polen Capital ManagementBuy13,62785,211$6,138
Q3 2020Renaissance Technologies LLCSell-199,000187,900$13,534
Q2 2020Polen Capital ManagementBuy38,98171,584$5,793
Q2 2020Renaissance Technologies LLCSell-135,900386,900$31,312
Q1 2020Polen Capital ManagementBuy13,07632,603$2,344
Q1 2020Renaissance Technologies LLCSell-18,800522,800$37,595
Q4 2019Polen Capital ManagementBuy19,52719,527$1,348
Q4 2019Renaissance Technologies LLCSell-16,300541,600$37,376
Q3 2019Renaissance Technologies LLCSell-29,700557,900$38,997
Q2 2019Renaissance Technologies LLCSell-135,300587,600$34,398
Q1 2019Renaissance Technologies LLCSell-104,000722,900$41,726
Q4 2018Renaissance Technologies LLCSell-91,900826,900$41,932
Q3 2018Renaissance Technologies LLCBuy335,000918,800$49,248
Q1 2018Renaissance Technologies LLCBuy60,200583,800$45,916
Q4 2017Renaissance Technologies LLCBuy40,168523,600$37,228
Q3 2017Renaissance Technologies LLCSell-47,268483,432$35,726
Q2 2017Renaissance Technologies LLCBuy161,600530,700$30,940
Q1 2017Renaissance Technologies LLCSell-24,700369,100$21,980
Q4 2016Renaissance Technologies LLCSell-168,300393,800$23,746
Q3 2016Renaissance Technologies LLCSell-3,800562,100$28,701
Q2 2016Renaissance Technologies LLCSell-29,400565,900$33,054
Q1 2016Renaissance Technologies LLCSell-2,400595,300$30,366
Q4 2015Renaissance Technologies LLCSell-35,900597,700$29,855
Q3 2015Renaissance Technologies LLCBuy36,900633,600$28,233
Q2 2015Renaissance Technologies LLCBuy335,400596,700$26,720
Q1 2015Vulcan Value PartnersBuy677224,565$19,964
Q1 2015Renaissance Technologies LLCSell-893261,300$23,230
Q4 2014Vulcan Value PartnersSell-142,325223,888$18,471
Q4 2014Renaissance Technologies LLCSell-39,807262,193$21,631
Q3 2014Renaissance Technologies LLCSell-3,673302,000$21,406

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.