Who owns Immix Biopharma, Inc.?
Institutional ownership of IMMX from SEC Form 13F filings across 79 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
79
13F holders
$371.8M
value, 2026 filers
69.5%
of shares outstanding (37.8M sh)
36
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of IMMX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Jupiter Topco LLCNEW | 9.8M | $100.8M | 0.0% | 18% | new |
| 2 | BlackRock, Inc. | 3.0M | $30.8M | 0.0% | 5.5% | +538.4% |
| 3 | Deep Track Capital, LPNEW | 2.8M | $28.6M | 0.4% | 5.1% | new |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2.5M | $25.8M | 0.0% | 4.6% | -29.9% |
| 5 | MILLENNIUM MANAGEMENT LLC | 2.1M | $21.3M | 0.0% | 3.8% | +18.1% |
| 6 | UBS Group AG | 1.9M | $20.0M | 0.0% | 3.6% | +2427.4% |
| 7 | MARSHALL WACE, LLP | 1.8M | $18.5M | 0.0% | 3.3% | +9.3% |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | 1.7M | $17,939 | 0.0% | 3.2% | +319.3% |
| 9 | WELLINGTON MANAGEMENT GROUP LLPNEW | 1.5M | $15.2M | 0.0% | 2.7% | new |
| 10 | GREAT POINT PARTNERS LLC | 1.3M | $13.2M | 2.5% | 2.3% | +265.0% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $12.4M | 0.0% | 2.2% | +159.2% |
| 12 | FRANKLIN RESOURCES INC | 969,120 | $10.0M | 0.0% | 1.8% | 0.0% |
| 13 | Burkehill Global Management, LP | 544,118 | $5.6M | 0.2% | 1% | +85.0% |
| 14 | AMERIPRISE FINANCIAL INCNEW | 518,881 | $5.3M | 0.0% | 1% | new |
| 15 | CITADEL ADVISORS LLC | 506,157 | $5.2M | 0.0% | 0.9% | +973.0% |
| 16 | Blue Owl Capital Holdings LP | 437,552 | $4.5M | 0.7% | 0.8% | -20.1% |
| 17 | NORTHERN TRUST CORP | 418,051 | $4.3M | 0.0% | 0.8% | +202.4% |
| 18 | Balyasny Asset Management L.P.NEW | 417,227 | $4.3M | 0.0% | 0.8% | new |
| 19 | BANK OF AMERICA CORP /DE/ | 413,145 | $4.3M | 0.0% | 0.8% | +904.5% |
| 20 | VANGUARD FIDUCIARY TRUST CO | 406,032 | $4.2M | 0.0% | 0.7% | +60.5% |
| 21 | Institute for Wealth Management, LLC. | 337,552 | $3.5M | 0.3% | 0.6% | 0.0% |
| 22 | VANGUARD PORTFOLIO MANAGEMENT LLCNEW | 283,711 | $2.9M | 0.0% | 0.5% | new |
| 23 | SEVEN GRAND MANAGERS, LLCNEW | 255,000 | $2.6M | 0.1% | 0.5% | new |
| 24 | Bank of New York Mellon Corp | 235,720 | $2.4M | 0.0% | 0.4% | +181.9% |
| 25 | TD Asset Management Inc | 214,090 | $2.2M | 0.0% | 0.4% | +302.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.