Immix Biopharma, Inc. (IMMX) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending September 2025, Immix Biopharma, Inc. (NASDAQ:IMMX) is held by 31 institutional firms.

• Institutional ownership in Immix Biopharma edged up to 9.5% in September 2025, compared to 8.1% in June 2025.
• On a quarter-over-quarter basis, institutional holdings shifted by 11.75%, with a year-over-year an increase of 24.00% in the count of filers.
• A review of institutional activity for Immix Biopharma shows 17 of 31 filers increasing their positions, while 6 reduced their stake, and 8 remained unchanged.
• This class of investors increased its holdings in Immix Biopharma to 2.74Mn shares for the 13F-cycle ending September 2025, up by 288.08K shares quarter on quarter, and down 1.35Mn shares year over year.
• The top institutional stake in Immix Biopharma as of September 30, 2025 belongs to Bleichroeder LP, which owns 850.00K shares, or 2.95% of the company.
• Among the most significant buyers of Immix Biopharma during September 2025 were UNITED CAPITAL FINANCIAL ADVISORS, LLC (70.68K), CITADEL ADVISORS LLC (68.08K), STATE STREET CORP (56.00K), MARSHALL WACE, LLP (55.03K), Imprint Wealth LLC (41.21K).
• Leading sellers of Immix Biopharma stock in September 2025 included RENAISSANCE TECHNOLOGIES LLC (133.19K), UBS Group AG (12.03K), NORTHERN TRUST CORP (4.59K), MORGAN STANLEY (4.25K), JANE STREET GROUP, LLC (2.55K).
• 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).