Immix BiopharmaIMMX

13F holders, Q3 2025 (September 30)
31holders +8
11new positions
4sold out
2famous investors
$2.09avg. 13F price*

At the end of Q3 2025, 31 institutions reported holding Immix Biopharma Inc. (IMMX) in their 13F filings, up 8 from Q2 2025. 11 opened new positions and 4 sold out. The largest holders were Bleichroeder LP ($1.8M), Vanguard Group Inc. ($1.5M) and Geode Capital Management, LLC ($392K). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Immix Biopharma Inc.
CUSIP
45258H106
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q1 2024: 35Q1 2024Q2 2024: 31Q2 2024Q3 2024: 25Q3 2024Q4 2024: 23Q4 2024Q1 2025: 22Q1 2025Q2 2025: 23Q2 2025Q3 2025: 31Q3 2025Q4 2025: 67Q4 2025Q1 2026: 77Q1 2026Q2 2026: 109Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions11$646K
Exits4$61K

All 13F filers, Q2 2025 → Q3 2025: 486,942 shares bought and 50,665 shares sold, net +436,277 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 31 holders

Bleichroeder LP 0.35% No change 850,000 $1.8M
Vanguard Group Inc. 0.00% Add +4.5% 730,162 $1.5M
Geode Capital Management, LLC 0.00% Add +16.4% 187,476 $392K
Morgan Stanley 0.00% Reduce -3.4% 120,670 $252K
State Street Corp. 0.00% Add +130.3% 98,960 $207K
Susquehanna International Group, LLP 0.00% Add +78.8% 90,858 $190K
Citadel Advisors 0.00% New 89,798 $188K
Northern Trust Corp. 0.00% Reduce -4.9% 89,301 $187K
United Capital Financial Advisors, LLC 0.00% New 70,682 $148K
Imprint Wealth LLC 0.45% — 67,423 $141K
Marshall Wace, LLP 0.00% New 55,035 $115K
BlackRock, Inc. 0.00% Add +6.9% 43,068 $90K
Tocqueville Asset Management L.P. 0.00% Add +37.4% 40,250 $84K
XTX Topco Ltd 0.00% New 35,153 $73K
Velan Capital Investment Management LP 0.07% Add +40.0% 35,000 $73K
Private Advisor Group, LLC 0.00% No change 31,225 $65K
Tritonpoint Wealth, LLC 0.00% No change 24,526 $51K
Renaissance Technologies 0.00% New 21,500 $45K
SBI Securities Co., Ltd. 0.00% No change 17,500 $37K
Commonwealth Equity Services, LLC 0.00% No change 16,040 $34K
Jane Street Group, LLC 0.00% New 14,970 $31K
Focus Partners Wealth 0.00% No change 11,900 $25K
Snowden Capital Advisors LLC 0.00% New 10,000 $21K
CIBC Private Wealth Group LLC 0.00% New 10,000 $21K
MAI Capital Management 0.00% New 2,000 $4K
UBS Group AG 0.00% Reduce -86.1% 1,940 $4K
Wells Fargo & Company 0.00% No change 330 $690
Northwestern Mutual Wealth Management Co. 0.00% No change 80 $167
Citigroup Inc. 0.00% New 35 $73
Arax Advisory Partners 0.00% New 34 $71
Bank of America Corp. 0.00% Reduce -91.4% 12 $25

"% of holder's portfolio" is IMMX's weight in each manager's 13F, not the share of Immix Biopharma Inc. the manager owns.