Autonomix Medical, Inc. (AMIX) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending December 2025, Autonomix Medical, Inc. (NASDAQ:AMIX) is held by 16 institutional firms.

• Autonomix Medical saw its institutional ownership percentage fell to 1.7% in December 2025 from 5.6% in September 2025.
• The company experienced a -9.72% quarterly change in institutional shares held, alongside an increase of 6.67% in total owners annually.
• Of these 16 institutional investors, 6 increased their holdings in Autonomix Medical, while 3 of them reduced positions, and 7 investors maintained their exposure.
• This class of investors decreased its holdings in Autonomix Medical to 151.83K shares for the 13F-cycle ending December 2025, down by 16.34K shares quarter on quarter, and down 61.76K shares year over year.
• The top institutional stake in Autonomix Medical as of December 31, 2025 belongs to Mariner, LLC, which owns 53.14K shares, or 0.59% of the company.
• Among the most significant buyers of Autonomix Medical during December 2025 were LPL Financial LLC (31.43K), GEODE CAPITAL MANAGEMENT, LLC (13.36K), Tower Research Capital LLC (TRC) (506), UBS Group AG (48), BANK OF AMERICA CORP /DE/ (13).
• Leading sellers of Autonomix Medical stock in December 2025 included Mariner, LLC (47.50K), TWO SIGMA SECURITIES, LLC (14.16K), PNC FINANCIAL SERVICES GROUP, INC. (50).
• The top 10 institutional holders of Autonomix Medical for the quarter ending December 2025 included Mariner, LLC (53.14K), LPL Financial LLC (31.43K), BANK OF MONTREAL /CAN/ (25.00K), GEODE CAPITAL MANAGEMENT, LLC (23.51K), TWO SIGMA SECURITIES, LLC (10.86K), Tower Research Capital LLC (TRC) (5.85K), PNC FINANCIAL SERVICES GROUP, INC. (1.59K), Investors Research Corp (220), UBS Group AG (127), BANK OF AMERICA CORP /DE/ (50).