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Disclosery

CMPX COMPASS THERAPEUTICS INC

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COM (common), issuer CIK 1738021

125 managers (125 13F filers) reported a position in CMPX shares at 2025-09-30, 151,052,868 shares in all. 32 filers opened a position and 10 filers sold out during the quarter.

Managers
125
13F filers
125
New
32
Added
43
Reduced
31
Sold out
10
Shares held by filers
151,052,868

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
TANG CAPITAL MANAGEMENT LLCin group TANG CAPITAL MANAGEMENT LLC16,811,963$58.8M2.27%+3,315,75513F-HRTimelineGroup
ORBIMED ADVISORS LLCin group ORBIMED ADVISORS LLC15,219,994$53.3M1.28%013F-HRTimelineGroup
MONTANOVA CAPITAL, LLC14,101,159$49.4M1.5%+6,951,66613F-HRTimeline
Blackstone Inc.in group Blackstone Inc.9,840,108$34.4M0.15%-185,04313F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
Vivo Capital, LLC9,545,466$33.4M2.69%+3,502,00013F-HRTimeline
ENAVATE SCIENCES GP, LLC7,788,150$27.3M8.32%013F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.7,370,747$25.8M<0.01%+957,61413F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC7,062,799$24.7M<0.01%+2,212,79413F-HRTimelineGroup
ADAGE CAPITAL PARTNERS GP, L.L.C.in group ADAGE CAPITAL PARTNERS GP, L.…5,186,500$18.2M0.03%+761,63213F-HRTimelineGroup
MPM BIOIMPACT LLC5,075,970$17.8M2.91%-546,53513F-HRTimeline
BVF INC/ILin group BVF INC/IL4,750,000$16.6M0.67%new13F-HRTimelineGroup
Rock Springs Capital Management LP4,474,702$15.7M0.92%-488,25313F-HRTimeline
FMR LLCin group FMR LLC4,137,562$14.5M<0.01%+2,90713F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC3,237,572$11.3M0.01%+2,386,36713F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP3,106,513$10.9M<0.01%+1,135,14513F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC2,944,469$10.3M<0.01%+625,33713F-HRTimelineGroup
SILVERARC CAPITAL MANAGEMENT, LLCin group SILVERARC CAPITAL MANAGEMENT,…2,833,988$9.92M1.44%+1,584,20713F-HRTimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management2,826,362$9.89M0.02%new13F-HRTimelineGroup
Blue Owl Capital Holdings LP2,591,525$9.07M2.82%013F-HRTimeline
RTW INVESTMENTS, LP2,500,000$8.75M0.11%new13F-HRTimeline
Logos Global Management LP2,050,000$7.17M0.71%new13F-HRTimeline
Sofinnova Investments, Inc.2,028,886$7.1M0.44%new13F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO1,999,278$7M<0.01%-126,43913F-HR/ATimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA1,700,927$5.95M<0.01%+1,549,78513F-HRTimelineGroup
Monashee Investment Management LLC1,250,000$4.38M2.18%+1,085,00013F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC1,039,671$3.64M<0.01%+923,32313F-HRTimelineGroup
DAFNA Capital Management LLC946,661$3.31M0.82%+420,00113F-HRTimeline
Birchview Capital, LP872,938$3.06M2.31%new13F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP861,935$3.02M<0.01%+127,24113F-HRTimelineGroup
ACUTA CAPITAL PARTNERS, LLC840,090$2.94M3.04%new13F-HRTimeline
Burkehill Global Management, LP700,000$2.45M0.14%new13F-HRTimeline
Schonfeld Strategic Advisors LLC476,291$1.67M0.01%new13F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co335,250$1.17M<0.01%+61,77813F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…318,124$1.11M<0.01%-29,91613F-HRTimelineGroup
Nuveen, LLCin group TIAA259,211$907K<0.01%013F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC233,271$816K<0.01%new13F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp223,176$781K<0.01%+11,99313F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC222,418$778K<0.01%-19,30313F-HR/ATimelineGroup
UBS Group AGin group UBS Group AG198,271$694K<0.01%-65,25513F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY186,952$654K<0.01%-61,79713F-HR/ATimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP175,556$619K<0.01%+3,32913F-HRTimelineGroup
Caption Management, LLC154,170$540K0.03%-571,34013F-HRTimeline
CM Management, LLC150,000$525K0.44%new13F-HRTimeline
SG Americas Securities, LLC149,313$523K<0.01%-223,36813F-HRTimeline
RHUMBLINE ADVISERS139,313$488K<0.01%+25,82613F-HRTimeline
Atom Investors LP106,674$373K0.03%new13F-HRTimeline
ALLIANCEBERNSTEIN L.P.104,160$365K<0.01%-12,51013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\95,785$335K<0.01%+11,88813F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC87,853$307K<0.01%+67,08013F-HRTimelineGroup
ALPS ADVISORS INCin group ALPS ADVISORS INC83,007$291K<0.01%+8,41013F-HRTimelineGroup
CANTOR FITZGERALD, L. P.in group CANTOR FITZGERALD, L. P.80,000$280K0.01%-20,00013F-HR/ATimelineGroup
RENAISSANCE TECHNOLOGIES LLC79,000$276K<0.01%-145,60013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/73,801$258K<0.01%+41,25213F-HR/ATimelineGroup
Rafferty Asset Management, LLC70,959$248K<0.01%new13F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN68,173$239K<0.01%+15,44913F-HRTimelineGroup
Creative Planningin group Creative Planning60,927$213K<0.01%+49,44313F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.60,656$212K<0.01%+1,92113F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC59,148$207K<0.01%+10,69713F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…58,347$204K<0.01%-59913F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/56,588$199K<0.01%+9,64613F-HRTimeline
CAXTON CORP53,503$187K0.82%+10,03813F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…49,850$176K<0.01%-31413F-HRTimelineGroup
ADAR1 Capital Management, LLCin group ADAR1 Capital Management, LLC50,000$175K0.02%+25,00013F-HRTimelineGroup
Quadrature Capital Ltdin group Quadrature Capital Ltd47,427$166K<0.01%new13F-HRTimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…45,877$161K<0.01%new13F-HRTimelineGroup
LPL Financial LLC42,470$149K<0.01%013F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD41,400$145K<0.01%new13F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC38,936$136K<0.01%-5,28713F-HRTimeline
Simplicity Wealth,LLC37,034$130K0.01%-47,60213F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …33,161$116K<0.01%-2,39213F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC31,679$111K<0.01%-43,85313F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND30,407$106K<0.01%013F-HRTimeline
Police & Firemen's Retirement System of…28,331$99.2K<0.01%+5,39813F-HRTimeline
SIG BROKERAGE, LP26,365$92.3K0.02%-10,02813F-HRTimeline
Walleye Trading LLCin group Walleye Capital LLC25,000$87.5K<0.01%013F-HRTimelineGroup
CAPTRUST FINANCIAL ADVISORS20,524$71.8K<0.01%+19913F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…19,960$69.9K<0.01%-107,31213F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS19,523$68.3K<0.01%+10,03813F-HRTimelineGroup
STRS OHIO17,900$62.6K<0.01%013F-HRTimeline
Independent Advisor Alliance17,894$62.6K<0.01%-52613F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC17,214$60.2K<0.01%-9,94513F-HRTimelineGroup
ProShare Advisors LLC17,004$59.5K<0.01%-1,79113F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd16,950$59.3K<0.01%-15,46513F-HRTimelineGroup
PROFUND ADVISORS LLC16,468$57.6K<0.01%new13F-HRTimeline
Focus Partners Wealthin group Focus Partners Wealth15,805$56K<0.01%+2,20613F-HRTimelineGroup
Sequoia Financial Advisors, LLC15,753$55.1K<0.01%-73213F-HRTimeline
Welch & Forbes LLC15,000$52.5K<0.01%new13F-HRTimeline
ROVIN CAPITAL /UT/ /ADV13,495$47K0.01%013F-HR/ATimeline
VICTORY CAPITAL MANAGEMENT INC12,652$44.3K<0.01%+2,16413F-HRTimeline
Virtu Financial LLCin group Virtu Financial LLC12,681$44K<0.01%new13F-HRTimelineGroup
North Star Investment Management Corp.12,500$43.8K<0.01%013F-HRTimeline
Strategic Wealth Partners, Ltd.12,100$42.4K<0.01%new13F-HRTimeline
CITIGROUP INCin group CITIGROUP INC10,651$37.3K<0.01%-21,05913F-HRTimelineGroup
CIBC Bancorp USA Inc.in group CIBC Bancorp USA Inc.10,600$37.1K<0.01%13F-HR/ATimelineGroup
ACT Advisors, LLC.10,376$36.3K0.01%013F-HRTimeline
Stonebrook Private Inc.10,230$35.8K0.01%-36613F-HRTimeline
Apollon Wealth Management, LLCin group Apollon Wealth Management, LLC10,015$35.1K<0.01%new13F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc9,643$33.7K<0.01%013F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…7,785$27.2K<0.01%+7,59213F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…7,536$26.4K<0.01%013F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…7,394$25.9K<0.01%+413F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…6,229$21.8K<0.01%013F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…6,039$21.1K<0.01%-8,53913F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…5,822$20.4K<0.01%+48513F-HRTimelineGroup
MCF Advisors LLC5,540$19.4K<0.01%+2,77013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC5,248$18.4K<0.01%013F-HRTimeline
Fortitude Family Office, LLC4,978$17.4K<0.01%-513F-HRTimeline
SIMPLEX TRADING, LLC4,093$14K<0.01%+3,13913F-HRTimeline
Sterling Capital Management LLC3,335$11.7K<0.01%+2,06013F-HRTimeline
AMALGAMATED BANK3,077$11K<0.01%013F-HRTimeline
CWM, LLCin group CWM, LLC1,891$7K<0.01%+64513F-HRTimelineGroup
Optiver Holding B.V.in group Optiver Holding B.V.1,642$5.75K<0.01%new13F-HRTimelineGroup
Cape Investment Advisory, Inc.1,317$4.61K<0.01%new13F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC526$2K<0.01%new13F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC405$1.42K<0.01%new13F-HRTimeline
Farther Finance Advisors, LLC388$1.36K<0.01%new13F-HRTimeline
SBI Securities Co., Ltd.330$1.16K<0.01%-2413F-HRTimeline
Arax Advisory Partners225$787<0.01%new13F-HRTimeline
Marshall & Sterling Wealth Advisors Inc.200$700<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC120$420<0.01%013F-HRTimeline
Essential Partners LLC19$67<0.01%new13F-HRTimeline
Sunbelt Securities, Inc.8$28<0.01%new13F-HRTimeline
IFP Advisors, Inc6$21<0.01%new13F-HR/ATimeline
Clearstead Advisors, LLC4$14<0.01%new13F-HRTimeline
Allworth Financial LP4$14<0.01%new13F-HRTimeline