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Disclosery

CMPX COMPASS THERAPEUTICS INC

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COM (common), issuer CIK 1738021

173 managers (173 13F filers) reported a position in CMPX shares at 2025-12-31, 164,143,633 shares in all. 53 filers opened a position and 10 filers sold out during the quarter.

Managers
173
13F filers
173
New
53
Added
60
Reduced
34
Sold out
10
Shares held by filers
164,143,633

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, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, 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 LLC16,790,809$90.2M4.45%-21,15413F-HRTimelineGroup
ORBIMED ADVISORS LLCin group ORBIMED ADVISORS LLC15,219,994$81.7M1.67%013F-HRTimelineGroup
MONTANOVA CAPITAL, LLC14,182,379$76.2M1.9%+81,22013F-HRTimeline
Vivo Capital, LLC9,545,466$51.3M3.31%013F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.9,388,624$50.4M<0.01%+2,017,87713F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC8,048,374$43.2M<0.01%+985,57513F-HRTimelineGroup
ENAVATE SCIENCES GP, LLC7,788,150$41.8M8.25%013F-HRTimeline
BVF INC/ILin group BVF INC/IL7,764,842$41.7M1.4%+3,014,84213F-HRTimelineGroup
Blackstone Inc.in group Blackstone Inc.6,126,182$32.9M0.11%-3,713,92613F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
STATE STREET CORPin group STATE STREET CORP4,890,525$26.3M<0.01%+1,784,01213F-HRTimelineGroup
ADAGE CAPITAL PARTNERS GP, L.L.C.in group ADAGE CAPITAL PARTNERS GP, L.…4,436,500$23.8M0.04%-750,00013F-HRTimelineGroup
Rock Springs Capital Management LP3,927,202$21.1M1.08%-547,50013F-HRTimeline
DEERFIELD MANAGEMENT COMPANY, L.P.in group DEERFIELD MANAGEMENT COMPANY,…3,606,000$19.4M0.25%new13F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC3,502,526$18.8M<0.01%+558,05713F-HRTimelineGroup
Blue Owl Capital Holdings LP3,466,525$18.6M5.74%+875,00013F-HR/ATimeline
Sofinnova Investments, Inc.3,365,446$18.1M0.78%+1,336,56013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC3,109,286$16.7M0.01%-128,28613F-HRTimelineGroup
BRAIDWELL LP2,786,778$15M0.48%new13F-HRTimeline
FMR LLCin group FMR LLC2,579,711$13.9M<0.01%-1,557,85113F-HRTimelineGroup
Palo Alto Investors LP2,532,419$13.6M1.89%new13F-HRTimeline
RTW INVESTMENTS, LP2,500,000$13.4M0.13%013F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management1,593,275$8.56M0.02%-1,233,08713F-HRTimelineGroup
Birchview Capital, LP1,592,938$8.55M5.01%+720,00013F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC1,517,415$8.15M<0.01%+477,74413F-HR/ATimelineGroup
Trails Edge Capital Partners, LP1,415,273$7.6M1.88%13F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP1,263,647$6.79M0.01%new13F-HRTimelineGroup
Logos Global Management LP1,150,000$6.18M0.41%-900,00013F-HRTimeline
NEXTBio Capital Management LP1,114,005$5.98M3.51%13F-HRTimeline
ACUTA CAPITAL PARTNERS, LLC1,093,300$5.87M3.99%+253,21013F-HRTimeline
SILVERARC CAPITAL MANAGEMENT, LLCin group SILVERARC CAPITAL MANAGEMENT,…1,051,343$5.65M0.82%-1,782,64513F-HRTimelineGroup
Monashee Investment Management LLC1,000,000$5.37M3.03%-250,00013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP972,935$5.22M<0.01%+111,00013F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO870,014$4.67M<0.01%-1,129,26413F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC823,174$4.42M<0.01%new13F-HRTimelineGroup
Ikarian Capital, LLCin group Ikarian Capital, LLC800,000$4.3M0.56%new13F-HRTimelineGroup
Burkehill Global Management, LP700,000$3.76M0.25%013F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC594,776$3.19M<0.01%+372,35813F-HRTimelineGroup
Atle Fund Management AB584,332$3.14M1%new13F-HRTimeline
Seven Fleet Capital Management LP568,747$3.05M2.07%13F-HR/ATimeline
Y-Intercept (Hong Kong) Ltd462,166$2.48M0.06%new13F-HRTimeline
Schonfeld Strategic Advisors LLC452,442$2.43M0.01%-23,84913F-HRTimeline
Qube Research & Technologies Ltd441,805$2.37M<0.01%new13F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co410,157$2.2M<0.01%+74,90713F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY365,245$1.96M<0.01%+178,29313F-HR/ATimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP341,596$1.83M<0.01%+166,04013F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…316,849$1.7M<0.01%-1,27513F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC314,750$1.69M<0.01%new13F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp312,480$1.68M<0.01%+89,30413F-HRTimelineGroup
Nuveen, LLCin group TIAA288,924$1.55M<0.01%+29,71313F-HRTimelineGroup
ROYCE & ASSOCIATES LP285,988$1.54M0.02%new13F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/266,434$1.43M<0.01%+192,63313F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC261,876$1.41M<0.01%+251,22513F-HRTimelineGroup
HighVista Strategies LLC245,532$1.32M0.34%new13F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …210,249$1.13M<0.01%new13F-HRTimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC205,024$1.1M0.03%new13F-HRTimeline
Connor, Clark & Lunn Investment Managem…191,724$1.03M<0.01%new13F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD185,423$996K<0.01%+144,02313F-HRTimeline
UBS Group AGin group UBS Group AG167,856$901K<0.01%-30,41513F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC155,218$834K<0.01%+96,07013F-HRTimelineGroup
Rafferty Asset Management, LLC151,743$815K<0.01%+80,78413F-HRTimeline
ALPS ADVISORS INCin group ALPS ADVISORS INC146,040$784K<0.01%+63,03313F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN144,798$778K<0.01%+76,62513F-HRTimelineGroup
ADAR1 Capital Management, LLCin group ADAR1 Capital Management, LLC139,000$746K0.06%+89,00013F-HR/ATimelineGroup
RHUMBLINE ADVISERS134,605$723K<0.01%-4,70813F-HRTimeline
GSA CAPITAL PARTNERS LLP133,810$719K0.06%new13F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC126,192$678K<0.01%+38,33913F-HRTimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…118,528$636K0.01%+72,65113F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd115,634$621K0.02%+98,68413F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\109,273$587K<0.01%+13,48813F-HRTimelineGroup
Creative Planningin group Creative Planning108,144$581K<0.01%+47,21713F-HRTimelineGroup
SG Americas Securities, LLC106,533$572K<0.01%-42,78013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC105,682$568K<0.01%-127,58913F-HRTimelineGroup
NEOS Investment Management LLC101,676$546K<0.01%new13F-HRTimeline
Tema ETFs LLC100,176$538K0.04%new13F-HRTimeline
CM Management, LLC100,000$537K0.45%-50,00013F-HRTimeline
ALLIANCEBERNSTEIN L.P.83,940$451K<0.01%-20,22013F-HRTimeline
SummitTX Capital, L.P.81,449$437K0.01%new13F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC80,142$430K<0.01%new13F-HRTimelineGroup
Atom Investors LP77,281$415K0.03%-29,39313F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…73,985$397K<0.01%+15,63813F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/70,488$379K<0.01%+13,90013F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC70,063$376K<0.01%+38,38413F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…69,576$374K<0.01%+19,72613F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources66,607$358K<0.01%new13F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.63,901$343K<0.01%+3,24513F-HRTimelineGroup
Persistent Asset Partners Ltd57,253$307K0.15%new13F-HRTimeline
PROFUND ADVISORS LLC57,246$307K0.01%+40,77813F-HRTimeline
Graham Capital Management, L.P.53,427$287K0.01%new13F-HRTimeline
Virtus Investment Advisers, LLCin group Virtus Investment Advisers, L…51,556$277K0.08%new13F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.51,482$276K<0.01%new13F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…44,742$240K<0.01%+24,78213F-HRTimelineGroup
LPL Financial LLC44,470$239K<0.01%+2,00013F-HRTimeline
AXQ CAPITAL, LP41,378$222K0.05%new13F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC40,412$217K<0.01%new13F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …40,325$217K<0.01%+7,16413F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC38,936$209K<0.01%013F-HRTimeline
Police & Firemen's Retirement System of…35,503$191K<0.01%+7,17213F-HRTimeline
SmartHarvest Portfolios, LLC34,715$186K0.06%13F-HRTimeline
Simplicity Wealth,LLC33,869$182K0.01%-3,16513F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND30,407$163K<0.01%013F-HRTimeline
CAXTON CORP29,495$158K3.7%-24,00813F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Avanza Fonder AB27,347$147K<0.01%new13F-HRTimeline
Walleye Trading LLCin group Walleye Capital LLC25,000$134K<0.01%013F-HRTimelineGroup
Caitong International Asset Management …24,579$132K0.03%new13F-HR/ATimeline
DV Trading LLC24,207$130K0.01%13F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP23,973$129K<0.01%new13F-HRTimelineGroup
ProShare Advisors LLC23,972$129K<0.01%+6,96813F-HRTimeline
Abel Hall, LLC22,882$123K0.03%new13F-HRTimeline
INDEPENDENT FINANCIAL GROUP, LLC22,779$122K<0.01%new13F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC22,629$122K<0.01%+5,41513F-HRTimelineGroup
CAPTRUST FINANCIAL ADVISORS20,846$112K<0.01%+32213F-HRTimeline
Welch & Forbes LLC19,000$102K<0.01%+4,00013F-HRTimeline
Focus Partners Wealthin group Focus Partners Wealth18,595$99.9K<0.01%+2,79013F-HRTimelineGroup
Independent Advisor Alliance17,894$96.1K<0.01%013F-HRTimeline
SIG BROKERAGE, LP17,076$91.7K0.03%-9,28913F-HRTimeline
Sequoia Financial Advisors, LLC15,894$85.4K<0.01%+14113F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS15,645$84K<0.01%-3,87813F-HRTimelineGroup
TWO SIGMA ADVISERS, LPin group TWO SIGMA INVESTMENTS, LP15,200$81.6K<0.01%new13F-HRTimelineGroup
CANADA PENSION PLAN INVESTMENT BOARD14,900$80K<0.01%new13F-HRTimeline
M&T Bank Corpin group M&T Bank Corp14,894$80K<0.01%new13F-HR/ATimelineGroup
VICTORY CAPITAL MANAGEMENT INC14,311$76.8K<0.01%+1,65913F-HRTimeline
ROVIN CAPITAL /UT/ /ADV13,495$72K0.02%013F-HRTimeline
EntryPoint Capital, LLC13,163$70.7K0.03%new13F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC12,807$68.8K<0.01%new13F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc12,753$68.5K<0.01%+3,11013F-HRTimelineGroup
North Star Investment Management Corp.12,500$67.1K<0.01%013F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd12,293$66K<0.01%-35,13413F-HRTimelineGroup
Strategic Wealth Partners, Ltd.12,100$65K<0.01%013F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…11,558$62.1K<0.01%+3,77313F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…10,621$57K<0.01%+3,08513F-HRTimelineGroup
Stonebrook Private Inc.10,230$54.9K0.01%013F-HRTimeline
XPONANCE LLC10,201$54.8K<0.01%new13F-HRTimeline
Cygnus Capital Advisors, LLC10,000$54K0.04%13F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC10,000$53.7K<0.01%new13F-HRTimeline
SIMPLEX TRADING, LLC8,912$47.9K<0.01%+4,81913F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…8,056$43.3K<0.01%+66213F-HRTimeline
FLAGSHIP HARBOR ADVISORS, LLC6,000$32.2K<0.01%new13F-HRTimeline
MCF Advisors LLC5,540$29.8K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC5,248$28.2K<0.01%013F-HRTimeline
GROUP ONE TRADING LLC5,244$28.2K<0.01%new13F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC4,867$26K<0.01%new13F-HRTimelineGroup
Fortitude Family Office, LLC4,591$24.7K0.01%-38713F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…4,370$23.5K<0.01%-1,85913F-HRTimelineGroup
AMALGAMATED BANK4,111$22K<0.01%+1,03413F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA3,821$21K<0.01%-1,697,10613F-HRTimelineGroup
Sterling Capital Management LLC3,827$20.6K<0.01%+49213F-HRTimeline
VSM Wealth Advisory, LLC3,000$16.1K<0.01%new13F-HRTimeline
CWM, LLCin group CWM, LLC3,059$16K<0.01%+1,16813F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…2,042$11K<0.01%new13F-HR/ATimelineGroup
Cape Investment Advisory, Inc.2,002$10.8K<0.01%+68513F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,698$9.12K<0.01%-4,34113F-HRTimelineGroup
Optiver Holding B.V.in group Optiver Holding B.V.1,096$5.89K<0.01%-54613F-HRTimelineGroup
Farther Finance Advisors, LLC680$3.65K<0.01%+29213F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC526$3K<0.01%013F-HRTimelineGroup
Federation des caisses Desjardins du Qu…500$2.69K<0.01%new13F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…413$2.22K<0.01%-5,40913F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC405$2.17K<0.01%013F-HRTimeline
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/242$1.3K<0.01%new13F-HRTimelineGroup
SBI Securities Co., Ltd.237$1.27K<0.01%-9313F-HRTimeline
Marshall & Sterling Wealth Advisors Inc.200$1.07K<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC164$881<0.01%+4413F-HRTimeline
Smartleaf Asset Management LLC69$371<0.01%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.57$306<0.01%new13F-HRTimelineGroup
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.38$204<0.01%new13F-HRTimelineGroup
GAMMA Investing LLC29$156<0.01%new13F-HRTimeline
SJS Investment Consulting Inc.27$145<0.01%new13F-HRTimeline
MAI Capital Management24$129<0.01%new13F-HRTimeline
Allworth Financial LP20$108<0.01%+1613F-HRTimeline
Arax Advisory Partners18$97<0.01%-20713F-HRTimeline
Essential Partners LLC9$48<0.01%-1013F-HRTimeline
Sunbelt Securities, Inc.8$43<0.01%013F-HRTimeline
IFP Advisors, Inc6$32<0.01%013F-HRTimeline
Hughes Financial Services, LLC1$5<0.01%new13F-HRTimeline