EXPOExponent, Inc.

$70.38

Who owns EXPO

353 institutions reported holding EXPO for 2026Q1, together 94% of the company, fewer than the 354 a quarter earlier.

353

Institutions reporting a position · as of 2026Q1 · down from 354 the quarter before

Shares held by institutions
47.1M

Shares held by institutions · 94% of the company · long US equity positions only, as reported on Form 13F

Reported value
$3.07B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
39%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
47
Positions exited
52
Added to
133
Reduced
123
Top 10 holdersof the company
52%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q135347.1M$3.07B
2025Q435447.4M$3.29B
2025Q335947.1M$3.28B
2025Q236448.3M$3.61B
2025Q138947.6M$3.86B
2024Q436747.4M$4.22B
2024Q336947.4M$5.46B
2024Q235146.9M$4.47B
2024Q132446.9M$3.88B
2023Q435246.5M$4.09B
2023Q335246.2M$3.96B
2023Q235046.0M$4.27B
2023Q135245.1M$4.50B
2022Q434546.4M$4.60B
2022Q334546.4M$4.07B
2022Q234546.5M$4.25B
Largest reported holders, 2026Q1
HolderShares% of companyValue
BlackRock Inc.6.1M12%$396M
VANGUARD GROUP INC5.6M11%$365M
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC3.9M7.8%$254M
Conestoga Capital Advisors, LLC1.9M3.8%$124M
STATE STREET CORP1.9M3.8%$123M
GENEVA CAPITAL MANAGEMENT LLC1.8M3.6%$117M
GEODE CAPITAL MANAGEMENT LLC1.6M3.3%$108M
ROYCE & ASSOCIATES LP1.1M2.3%$75M
TWO SIGMA INVESTMENTS, LP1.1M2.2%$72M
MORGAN STANLEY1.1M2.1%$70M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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