Stock Ownership/IMMX

IMMIX BIOPHARMA INC (IMMX): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in IMMX · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
9
13F filers
Aggregate Value
$53.0M
Across holders
Last Price
$13.61
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity8 increased1 reduced2 exited
Full exits: Hudson Bay Capital Management LP, Brevan Howard Capital Management LP
Institutional Holders of IMMX
↗
9 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund2.07M$21.3M40.2%0.0%Added+$3.3MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund1.79M$18.5M34.9%0.0%Added+$1.6MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund506K$5.2M9.8%0.0%Added+$4.2MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund417K$4.3M8.1%0.0%Added—Q2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund142K$1.5M2.8%0.0%Reduced$-471KQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund93K$960K1.8%0.0%Added—Q2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund70K$722K1.4%0.0%Added+$264KQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund40K$414K0.8%0.0%Added—Q2 2026
Magnetar Financial LLC
CIK 0001352851
Hedge Fund11K$113K0.2%0.0%Added—Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$21.3M· 40.2% of total· 0.0% port· 2.07M sh· +$3.3M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$18.5M· 34.9% of total· 0.0% port· 1.79M sh· +$1.6M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$5.2M· 9.8% of total· 0.0% port· 506K sh· +$4.2M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$4.3M· 8.1% of total· 0.0% port· 417K sh· — QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$1.5M· 2.8% of total· 0.0% port· 142K sh· $-471K QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$960K· 1.8% of total· 0.0% port· 93K sh· — QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$722K· 1.4% of total· 0.0% port· 70K sh· +$264K QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$414K· 0.8% of total· 0.0% port· 40K sh· — QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$113K· 0.2% of total· 0.0% port· 11K sh· — QoQ· Q2 2026
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