Exponent Inc (EXPO) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending December 2025, Exponent Inc (NASDAQ:EXPO) is held by 10 institutional firms.

• The percentage of Exponent owned by institutions changed from 90.7% in September 2025 to 0.3% in December 2025, marking a slight down trend.
• Institutional share ownership changed by 40.89% QoQ, while the number of institutional owners saw a decrease of 97.21% YoY.
• Of these 10 institutional investors, 7 increased their holdings in Exponent, while 1 of them reduced positions, and 2 investors maintained their exposure.
• The total number of shares held by institutions in Exponent increased to 159.27K as of December 2025, a net change of up by 46.22K shares quarter on quarter, and down 46.52Mn shares year over year.
• The top institutional stake in Exponent as of December 31, 2025 belongs to Assenagon Asset Management S.A., which owns 112.87K shares, or 0.22% of the company.
• Among the most significant buyers of Exponent during December 2025 were SG Americas Securities, LLC (29.60K), Assenagon Asset Management S.A. (15.30K), Versant Capital Management, Inc (689), Impact Capital Partners LLC (466), MassMutual Private Wealth & Trust, FSB (227).
• Leading sellers of Exponent stock in December 2025 included HARBOR INVESTMENT ADVISORY, LLC (283).
• The top 10 institutional holders of Exponent for the quarter ending December 2025 included Assenagon Asset Management S.A. (112.87K), SG Americas Securities, LLC (36.61K), Impact Capital Partners LLC (4.38K), Hilltop National Bank (2.37K), Versant Capital Management, Inc (1.04K), HARBOR INVESTMENT ADVISORY, LLC (687), GAMMA Investing LLC (576), Park Place Capital Corp (402), MassMutual Private Wealth & Trust, FSB (291), True Wealth Design, LLC (33).