AmpliTech Group, Inc. (AMPG) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending December 2025, AmpliTech Group, Inc. (NASDAQ:AMPG) is held by 38 institutional firms.

• The collective stake of institutional investors in AmpliTech moved to 37.6% in December 2025, a shift up from the 18.3% reported for September 2025.
• Quarterly data indicates a 119.42% shift in institutional share volume, and the annual owner count reflects an increase of 65.22%.
• Of these 38 institutional investors, 25 increased their holdings in AmpliTech, while 8 of them reduced positions, and 5 investors maintained their exposure.
• The total number of shares held by institutions in AmpliTech increased to 7.09Mn as of December 2025, a net change of up by 3.86Mn shares quarter on quarter, and up 4.91Mn shares year over year.
• As of December 31, 2025, SymBiosis Capital Partners, LLC held AmpliTech's largest shareholding position with over 2.56Mn shares, representing 13.56% of total outstanding shares.
• Among the most significant buyers of AmpliTech during December 2025 were SymBiosis Capital Partners, LLC (2.56Mn), VANGUARD GROUP INC (462.58K), RENAISSANCE TECHNOLOGIES LLC (158.20K), GSA CAPITAL PARTNERS LLP (154.55K), JANE STREET GROUP, LLC (151.14K).
• Leading sellers of AmpliTech stock in December 2025 included MORGAN STANLEY (197.97K), BARD ASSOCIATES INC (23.00K), Squarepoint Ops LLC (7.22K), MILLENNIUM MANAGEMENT LLC (6.03K), SBI Securities Co., Ltd. (5.59K).
• The top 10 institutional holders of AmpliTech for the quarter ending December 2025 included SymBiosis Capital Partners, LLC (2.56Mn), BARD ASSOCIATES INC (1.60Mn), VANGUARD GROUP INC (768.05K), GEODE CAPITAL MANAGEMENT, LLC (194.62K), JANE STREET GROUP, LLC (192.39K), Informed Momentum Co LLC (174.68K), CORSAIR CAPITAL MANAGEMENT, L.P. (171.72K), RENAISSANCE TECHNOLOGIES LLC (158.20K), GSA CAPITAL PARTNERS LLP (154.55K), TWO SIGMA INVESTMENTS, LP (115.81K).