Stock Ownership/CMPX

COMPASS THERAPEUTICS INC (CMPX): Ownership & Insider Activity

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

Reported Holders
19
13F filers
Aggregate Value
$79.9M
Across holders
Last Price
$2.40
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity14 increased4 reduced2 exited
Full exits: BALYASNY ASSET MANAGEMENT LLC, Magnetar Financial LLC
Institutional Holders of CMPX
↗
19 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
ORBIMED ADVISORS LLC
CIK 0001055951
Hedge Fund15.22M$33.3M41.7%0.6%Unchanged+$0Q2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund4.71M$10.3M12.9%0.0%Added+$8.5MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund3.69M$8.1M10.1%0.0%Added+$2.5MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund3.57M$7.8M9.8%0.0%Added+$4.7MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund3.51M$7.7M9.6%0.0%Added+$7.7MQ2 2026
Fisher Asset Management, LLC
CIK 0000850529
Institutional Manager1.39M$3.0M3.8%0.0%Added+$96KQ2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund1.19M$2.6M3.3%0.0%Reduced$-16.0MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund1.01M$2.2M2.8%0.0%Added+$2.1MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund687K$1.5M1.9%0.0%Added—Q2 2026
ArrowMark Colorado Holdings LLC
CIK 0001483859
Hedge Fund365K$799K1.0%0.0%Reduced$-329KQ2 2026
ORBIMED ADVISORS LLCUnchanged
Hedge Fund
$33.3M· 41.7% of total· 0.6% port· 15.22M sh· +$0 QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$10.3M· 12.9% of total· 0.0% port· 4.71M sh· +$8.5M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$8.1M· 10.1% of total· 0.0% port· 3.69M sh· +$2.5M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$7.8M· 9.8% of total· 0.0% port· 3.57M sh· +$4.7M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$7.7M· 9.6% of total· 0.0% port· 3.51M sh· +$7.7M QoQ· Q2 2026
Fisher Asset Management, LLCAdded
Institutional Manager
$3.0M· 3.8% of total· 0.0% port· 1.39M sh· +$96K QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$2.6M· 3.3% of total· 0.0% port· 1.19M sh· $-16.0M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$2.2M· 2.8% of total· 0.0% port· 1.01M sh· +$2.1M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$1.5M· 1.9% of total· 0.0% port· 687K sh· — QoQ· Q2 2026
ArrowMark Colorado Holdings LLCReduced
Hedge Fund
$799K· 1.0% of total· 0.0% port· 365K sh· $-329K QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$733K· 0.9% of total· 0.0% port· 335K sh· — QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$701K· 0.9% of total· 0.0% port· 320K sh· +$629K QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$448K· 0.6% of total· 0.0% port· 204K sh· +$159K QoQ· Q2 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$202K· 0.3% of total· 0.0% port· 92K sh· $-2.2M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$197K· 0.2% of total· 0.0% port· 90K sh· +$2K QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$148K· 0.2% of total· 0.0% port· 67K sh· — QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDAdded
Hedge Fund
$36K· 0.0% of total· 0.0% port· 16K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$22K· 0.0% of total· 0.0% port· 10K sh· +$4 QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$11K· 0.0% of total· 0.0% port· 5K sh· $-25K QoQ· Q2 2026
1–10 of 19
1 / 2
Loading recent insider activity…
← Stock ownership