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Of the 9 tracked institutions holding IMMX, 3 have a 3-year clone track record — 3 of them beat the S&P. Average holder's clone alpha: +4.5pt. It's a gauge of who owns the name, not just how many.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Among the 9 tracked institutional investors we monitor, IMMX (IMMIX BIOPHARMA INC) is held with a combined value of $127.22M across 12,879,647 shares. The largest holder is STATE STREET CORP with a position worth $30.90M. 3 funds opened new positions in the most recent quarter. 6 funds increased their holdings.
Total Institutional Value
$127.22M
Total Shares Held
12,879,647
Institutional Holders
9
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | STATE STREET CORP | $30.90M | 0.00% | +1461.6% |
| 2 | BlackRock, Inc. | $30.83M | 0.00% | +538.4% |
| 3 | MILLENNIUM MANAGEMENT LLC | $21.30M | 0.01% | +18.1% |
| 4 | PRICE T ROWE ASSOCIATES INC /MD/ | $17.94M | 0.00% | +319.3% |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | $15.19M | 0.00% | New |
| 6 | VANGUARD GROUP INC | $5.73M | 0.00% | +50.1% |
| 7 | CITADEL ADVISORS LLC | $5.22M | 0.00% | +973.0% |
| 8 | Magnetar Financial LLC | $112.94K | 0.00% | New |
| 9 | FMR LLC | $629 | 0.00% | New |
As of the latest SEC 13F filings, STATE STREET CORP is the largest institutional holder of IMMX with a position worth $30.90M, representing 0.00% of their portfolio. In total, 9 institutional investors hold IMMX with a combined value of $127.22M.
In the most recent quarter, 3 funds opened a new position in IMMX. Additionally, 6 increased their holdings.
Institutional investors hold $127.22M worth of IMMX stock across 9 positions. The largest institutional holder is STATE STREET CORP with $30.90M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For IMMX, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their IMMX positions.
None this quarter.
| 2026-08-13 |
SEC Schedule 13D (activist) and 13G (passive) filings for IMMX. Filed when an investor acquires 5%+ ownership.
Last Close
$8.51
2026-10-21
YTD
+56.7%
50% of 52-week range
