89 institutions reported holding $247.8M of IMMIX BIOPHARMA INC (IMMX) in SEC 13F filings for 2026-03-31. Largest institutional holders: JANUS HENDERSON GROUP PLC ($43.7M), Saturn V Capital Management LP ($33.6M), EVENTIDE ASSET MANAGEMENT, LLC ($23.2M), VANGUARD CAPITAL MANAGEMENT LLC ($16.3M), MILLENNIUM MANAGEMENT LLC ($15.9M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANUS HENDERSON GROUP PLC | $43.7M | 4.8M | Added |
| 2 | Saturn V Capital Management LP | $33.6M | 3.7M | Added |
| 3 | EVENTIDE ASSET MANAGEMENT, LLC | $23.2M | 2.5M | Hold |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $16.3M | 1.8M | New |
| 5 | MILLENNIUM MANAGEMENT LLC | $15.9M | 1.8M | Added |
| 6 | MARSHALL WACE, LLP | $15.0M | 1.6M | Trimmed |
| 7 | Logos Global Management LP | $11.2M | 1.2M | Added |
| 8 | Bleichroeder LP | $9.1M | 1.0M | Hold |
| 9 | FRANKLIN RESOURCES INC | $8.8M | 969,066 | Trimmed |
| 10 | Velan Capital Investment Management LP | $6.7M | 740,000 | Added |
| 11 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $5.4M | 588,794 | Added |
| 12 | Blue Owl Capital Holdings LP | $5.0M | 547,552 | Trimmed |
| 13 | BlackRock, Inc. | $4.3M | 468,377 | Added |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | $4.2M | 463,384 | Added |
| 15 | LGT Fund Management Co Ltd. | $3.8M | 416,594 | Added |
| 16 | PRICE T ROWE ASSOCIATES INC /MD/ | $3.8M | 415,001 | New |
| 17 | GREAT POINT PARTNERS LLC | $3.2M | 350,000 | New |
| 18 | Institute for Wealth Management, LLC. | $3.1M | 337,552 | New |
| 19 | Burkehill Global Management, LP | $2.7M | 294,118 | Hold |
| 20 | VANGUARD FIDUCIARY TRUST CO | $2.3M | 252,914 | New |
| 21 | KVP Capital Advisors, LP | $2.1M | 230,423 | Hold |
| 22 | J. Goldman & Co LP | $2.1M | 228,089 | Added |
| 23 | STATE STREET CORP | $1.7M | 191,910 | Added |
| 24 | Qube Research & Technologies Ltd | $1.7M | 187,675 | Added |
| 25 | SEI INVESTMENTS CO | $1.3M | 147,140 | Added |
Source: SEC Form 13F filings · as of 2026-03-31