IMMX: Immix Biopharma, Inc. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-08-14 | New 13G stake | Eventide Asset Management, LLC | 5.60% | SEC | |
| 2026-08-13 | 13G amendment | JANUS HENDERSON GROUP Ltd. | 14.00% | SEC |
Institutional ownership (Q2 2026)
109 institutions reported holding $561.06M of Immix Biopharma, Inc. on Form 13F (77 the quarter before). 43 opened a new position and 11 sold out. Shares held by institutions: +108%.
| Largest holders | Shares | Value |
|---|---|---|
| Jupiter Topco LLC | 9,783,192 | $100.82M |
| Saturn V Capital Management LP | 4,658,429 | $48.03M |
| EVENTIDE ASSET MANAGEMENT, LLC | 3,891,019 | $40.12M |
| STATE STREET CORP | 2,996,935 | $30.90M |
| BlackRock, Inc. | 2,989,972 | $30.83M |
| Deep Track Capital, LP | 2,775,000 | $28.61M |
| VANGUARD CAPITAL MANAGEMENT LLC | 2,507,122 | $25.85M |
| Opaleye Management Inc. | 2,345,000 | $24.18M |
| MILLENNIUM MANAGEMENT LLC | 2,066,426 | $21.30M |
| UBS Group AG | 1,941,817 | $20.02M |
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