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Compass Therapeutics, Inc.

CMPX
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001738021

In the last 90 days, Compass Therapeutics, Inc. insiders filed 1 open-market purchase and 0 sales; 215 institutions reported holding it in 13F filings for Q2 2026, worth $363.4M in total; no superinvestor holds it.

13F holders, Q2 2025

Institutional positions in Compass Therapeutics, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
103
−5 vs. Q1 2025
Shares held
108.4M
−93.3K (−0.1%) vs. Q1 2025
Total value
$281.9M
+$75.7M (+36.7%) vs. Q1 2025
New holders
19
24 more added
Sold out
24
41 more reduced

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CMPX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 103 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 37 institutionsQ1 2022: 34 institutionsQ2 2022: 34 institutionsQ3 2022: 38 institutionsQ4 2022: 55 institutionsQ1 2023: 73 institutionsQ2 2023: 73 institutionsQ3 2023: 76 institutionsQ4 2023: 77 institutionsQ1 2024: 78 institutionsQ2 2024: 82 institutionsQ3 2024: 79 institutionsQ4 2024: 92 institutionsQ1 2025: 108 institutionsQ2 2025: 103 institutionsQ3 2025: 125 institutionsQ4 2025: 173 institutionsQ1 2026: 201 institutionsQ2 2026: 215 institutions
Value heldQ2 2025: $281.9M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $201.6MQ1 2022: $85.4MQ2 2022: $163.9MQ3 2022: $153.7MQ4 2022: $401.4MQ1 2023: $285.1MQ2 2023: $287.7MQ3 2023: $176.7MQ4 2023: $134.8MQ1 2024: $187.9MQ2 2024: $93.5MQ3 2024: $169.7MQ4 2024: $147.0MQ1 2025: $206.1MQ2 2025: $281.9MQ3 2025: $535.7MQ4 2025: $881.5MQ1 2026: $921.3MQ2 2026: $363.4M
Institutions holding CMPX and their total value by quarter
QuarterHoldersValue
Q2 2026215$363.4M
Q1 2026201$921.3M
Q4 2025173$881.5M
Q3 2025125$535.7M
Q2 2025103$281.9M
Q1 2025108$206.1M
Q4 202492$147.0M
Q3 202479$169.7M
Q2 202482$93.5M
Q1 202478$187.9M
Q4 202377$134.8M
Q3 202376$176.7M
Q2 202373$287.7M
Q1 202373$285.1M
Q4 202255$401.4M
Q3 202238$153.7M
Q2 202234$163.9M
Q1 202234$85.4M
Q4 202137$201.6M
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Compass Therapeutics, Inc.; share changes are against Q1 2025.

Institutions holding CMPX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
OrbiMed Advisors LLC15,219,994$39.6M1.00%−7,142,856−31.9%Reduced
Tang Capital Management LLC13,496,208$35.1M1.77%+2,443,576+22.1%Added
Blackstone Group Inc.10,025,151$26.1M0.12%00.0%Unchanged
Enavate Sciences GP, LLC7,788,150$20.2M11.47%00.0%Unchanged
Suvretta Capital Management, LLC7,149,493$18.6M0.70%+7,149,493New
BlackRock, Inc.6,413,133$16.7M0.00%−695,957−9.8%Reduced
Vivo Capital, LLC6,043,466$15.7M1.61%+2,487,443+70.0%Added
MPM Oncology Impact Management LP5,622,505$14.6M2.53%−2,820,278−33.4%Reduced
Rock Springs Capital Management LP4,962,955$12.9M0.80%00.0%Unchanged
Vanguard Group Inc4,850,005$12.6M0.00%+11,999+0.2%Added
Adage Capital Partners GP, L.L.C.4,424,868$11.5M0.02%+449,868+11.3%Added
FMR LLC4,134,655$10.8M0.00%+3680.0%Added
Blue Owl Capital Holdings LP2,591,525$6.74M2.17%−363,187−12.3%Reduced
Geode Capital Management, LLC2,319,132$6.03M0.00%−45,764−1.9%Reduced
JPMorgan Chase & Co2,125,717$5.53M0.00%−59,763−2.7%Reduced
State Street Corp1,971,368$5.13M0.00%+21,691+1.1%Added
Silverarc Capital Management, LLC1,249,781$3.25M0.67%+374,912+42.9%Added
Millennium Management LLC851,205$2.21M0.00%+306,117+56.2%Added
Northern Trust Corp734,694$1.91M0.00%−68,444−8.5%Reduced
Caption Management, LLC725,510$1.89M0.17%+725,510New
DAFNA Capital Management LLC526,660$1.37M0.38%+526,660New
SG Americas Securities, LLC372,681$969.0K0.00%−568,103−60.4%Reduced
Wellington Management Group LLP348,040$904.9K0.00%+125,535+56.4%Added
Royal Bank of Canada302,284$786.0K0.00%+292,725+3,062.3%Added
Charles Schwab Investment Management Inc273,472$711.0K0.00%−24,408−8.2%Reduced
UBS Group AG263,526$685.2K0.00%+110,675+72.4%Added
Nuveen, LLC259,211$673.9K0.00%−45,293−14.9%Reduced
Morgan Stanley248,749$646.7K0.00%−590,427−70.4%Reduced
Barclays PLC241,721$628.5K0.00%+122,990+103.6%Added
Renaissance Technologies LLC224,600$584.0K0.00%−96,900−30.1%Reduced
Bank of New York Mellon Corp211,183$549.1K0.00%−32,382−13.3%Reduced
Dimensional Fund Advisors LP172,227$447.2K0.00%+33,425+24.1%Added
Monashee Investment Management LLC165,000$429.0K0.23%−283,164−63.2%Reduced
Susquehanna International Group, LLP127,272$330.9K0.00%−4,225−3.2%Reduced
Alliancebernstein L.P.116,670$303.3K0.00%+95,230+444.2%Added
Goldman Sachs Group Inc116,348$302.5K0.00%−117,174−50.2%Reduced
Rhumbline Advisers113,487$295.1K0.00%−6,542−5.5%Reduced
Cantor Fitzgerald, L. P.100,000$260.0K0.01%−50,000−33.3%Reduced
Simplicity Wealth,LLC84,636$220.1K0.01%+38,093+81.8%Added
Deutsche Bank AG83,897$218.1K0.00%−18,144−17.8%Reduced
Jane Street Group, LLC75,532$196.4K0.00%−102,470−57.6%Reduced
Alps Advisors Inc74,597$194.0K0.00%+74,597New
HRT Financial LP60,778$158.0K0.00%+60,778New
MetLife Investment Management58,946$153.3K0.00%+21,779+58.6%Added
Invesco Ltd.58,735$152.7K0.00%+21,578+58.1%Added
Wells Fargo & Company52,724$137.1K0.00%−8,489−13.9%Reduced
Mirae Asset Global ETFs Holdings Ltd.50,164$130.4K0.00%−10,876−17.8%Reduced
AQR Capital Management LLC48,451$126.0K0.00%+48,451New
Price T Rowe Associates Inc46,942$123.0K0.00%00.0%Unchanged
Intech Investment Management LLC44,223$115.0K0.00%−34,071−43.5%Reduced
Caxton Corp43,465$113.0K1.15%00.0%Unchanged
LPL Financial LLC42,470$110.4K0.00%+370+0.9%Added
Sig Brokerage, LP36,393$94.6K0.03%+36,393New
Manufacturers Life Insurance Company, The35,553$92.4K0.00%−3,948−10.0%Reduced
Bank of America Corp32,549$84.6K0.00%−350,954−91.5%Reduced
XTX Topco Ltd32,415$84.3K0.00%+32,415New
Citigroup Inc31,710$82.4K0.00%−99,527−75.8%Reduced
New York State Common Retirement Fund30,407$79.1K0.00%00.0%Unchanged
American Century Companies Inc27,607$71.8K0.00%−46,075−62.5%Reduced
Voya Investment Management LLC27,159$70.6K0.00%−31,817−53.9%Reduced
Walleye Trading LLC25,000$65.0K0.00%00.0%Unchanged
ADAR1 Capital Management, LLC25,000$65.0K0.01%+25,000New
Marex Group plc23,600$61.4K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey22,933$59.6K0.00%00.0%Unchanged
Squarepoint Ops LLC20,773$54.0K0.00%+20,773New
Captrust Financial Advisors20,325$52.8K0.00%+332+1.7%Added
ProShare Advisors LLC18,795$48.9K0.00%−3,284−14.9%Reduced
Independent Advisor Alliance18,420$47.9K0.00%−30−0.2%Reduced
STRS Ohio17,900$46.5K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System17,730$46.1K0.00%00.0%Unchanged
Sequoia Financial Advisors, LLC16,485$42.9K0.00%−11,449−41.0%Reduced
Two Sigma Investments, LP16,097$41.9K0.00%−35,142−68.6%Reduced
Panagora Asset Management Inc15,840$41.2K0.00%−154,767−90.7%Reduced
Tower Research Capital LLC (TRC)14,578$37.9K0.00%−7,944−35.3%Reduced
Colony Group, LLC13,599$35.4K0.00%−20.0%Reduced
Financial Advisory Corp13,495$35.0K0.01%00.0%Unchanged
North Star Investment Management Corp.12,500$32.5K0.00%00.0%Unchanged
Creative Planning11,484$29.9K0.00%+11,484New
CIBC World Markets Corp11,294$29.4K0.00%−11,336−50.1%Reduced
Stonebrook Private Inc.10,596$27.6K0.01%−1,698−13.8%Reduced
Victory Capital Management Inc10,488$27.3K0.00%+10,488New
ACT Advisors, LLC.10,376$27.0K0.01%−385−3.6%Reduced
Legal & General Group Plc9,643$25.1K0.00%+995+11.5%Added
BNP Paribas Arbitrage, SA9,485$24.7K0.00%−1,647−14.8%Reduced
Ameritas Investment Partners, Inc.7,536$19.6K0.00%00.0%Unchanged
California State Teachers Retirement System7,390$19.2K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC6,229$16.2K0.00%+6,208+29,561.9%Added
The PNC Financial Services Group, Inc.5,337$13.9K0.00%+337+6.7%Added
Nisa Investment Advisors, LLC5,248$13.6K0.00%+4,400+518.9%Added
Fortitude Family Office, LLC4,983$13.0K0.00%−162−3.1%Reduced
Raymond James Financial Inc4,894$12.7K0.00%+4,894New
Amalgamated Bank3,077$8.00K0.00%00.0%Unchanged
VSM Wealth Advisory, LLC3,000$7.80K0.00%+3,000New
MCF Advisors LLC2,770$7.20K0.00%+2,770New
Sterling Capital Management LLC1,275$3.31K0.00%−485−27.6%Reduced
CWM, LLC1,246$3.00K0.00%+368+41.9%Added
Simplex Trading, LLC954$2.00K0.00%+954New
Briaud Financial Planning, Inc700$1.00K0.00%+700New
SBI Securities Co., Ltd.354$9200.00%00.0%Unchanged
Skopos Labs, Inc.236$6140.00%+236New