Immix Biopharma, Inc. (IMMX) Institutional Ownership

Ownership Summary

Immix Biopharma, Inc. (NASDAQ:IMMX) currently has 31 active institutional owners and shareholders as of today (September 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

• Immix Biopharma saw its institutional ownership percentage rose to 8.7% in September 2025 from 7.5% in June 2025.
• The company experienced a 22.76% quarterly change in institutional shares held, alongside an increase of 19.23% in total owners annually.
• A review of institutional activity for Immix Biopharma shows 19 of 31 filers increasing their positions, while 4 reduced their stake, and 8 remained unchanged.
• The aggregate institutional position in Immix Biopharma now stands at 2.74Mn shares as of September 2025, after investors increased their holdings (up by 508.22K shares quarter on quarter which is down 1.35Mn shares year over year).
• Bleichroeder LP continues to be the largest institutional holder of Immix Biopharma as of September 30, 2025, with a position of 850.00K shares, representing 2.69% of the company's outstanding stock.
• Among the most significant buyers of Immix Biopharma during September 2025 were CITADEL ADVISORS LLC (89.80K), UNITED CAPITAL FINANCIAL ADVISORS, LLC (70.68K), Imprint Wealth LLC (67.42K), STATE STREET CORP (56.00K), MARSHALL WACE, LLP (55.03K).
• Leading sellers of Immix Biopharma stock in September 2025 included UBS Group AG (12.03K), NORTHERN TRUST CORP (4.59K), MORGAN STANLEY (4.25K), BANK OF AMERICA CORP /DE/ (127).
• The top 10 institutional holders of Immix Biopharma for the quarter ending September 2025 included Bleichroeder LP (850.00K), VANGUARD GROUP INC (730.16K), GEODE CAPITAL MANAGEMENT, LLC (187.48K), MORGAN STANLEY (120.67K), STATE STREET CORP (98.96K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (90.86K), CITADEL ADVISORS LLC (89.80K), NORTHERN TRUST CORP (89.30K), UNITED CAPITAL FINANCIAL ADVISORS, LLC (70.68K), Imprint Wealth LLC (67.42K).