Expion360 Inc. (XPON) Institutional Ownership

Ownership Summary

The institutional landscape for Expion360 Inc. (NASDAQ:XPON) includes 11 filers as of the latest reporting cycle ending December 2025.

• Institutional ownership in Expion360 edged up to 3.6% in December 2025, compared to 1.9% in September 2025.
• Quarterly data indicates a 215.09% shift in institutional share volume, and the annual owner count reflects an increase of 22.22%.
• Of these 11 institutional investors, 8 increased their holdings in Expion360, while 0 of them reduced positions, and 3 investors maintained their exposure.
• The total number of shares held by institutions in Expion360 increased to 262.81K as of December 2025, a net change of up by 179.40K shares quarter on quarter, and up 248.10K shares year over year.
• With 69.64K shares, VANGUARD GROUP INC commands the largest institutional position in Expion360 as of December 31, 2025, equating to 0.96% of the company.
• Among the most significant buyers of Expion360 during December 2025 were VANGUARD GROUP INC (53.25K), GEODE CAPITAL MANAGEMENT, LLC (46.34K), CITADEL ADVISORS LLC (31.43K), JANE STREET GROUP, LLC (24.21K), XTX Topco Ltd (19.28K).
• The top 10 institutional holders of Expion360 for the quarter ending December 2025 included VANGUARD GROUP INC (69.64K), GEODE CAPITAL MANAGEMENT, LLC (68.64K), Apollon Wealth Management, LLC (43.23K), CITADEL ADVISORS LLC (31.43K), JANE STREET GROUP, LLC (24.21K), XTX Topco Ltd (19.28K), Tower Research Capital LLC (TRC) (5.71K), CITIGROUP INC (589), BANK OF AMERICA CORP /DE/ (83), Copia Wealth Management (5).