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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
108.3M
−215.0K (−0.2%) vs. Q1 2025
Total value
$281.5M
+$75.4M (+36.6%) 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: $281.5M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $201.6MQ1 2022: $85.4MQ2 2022: $163.9MQ3 2022: $145.6MQ4 2022: $401.4MQ1 2023: $266.5MQ2 2023: $287.7MQ3 2023: $176.7MQ4 2023: $134.3MQ1 2024: $187.2MQ2 2024: $93.4MQ3 2024: $169.6MQ4 2024: $147.0MQ1 2025: $206.1MQ2 2025: $281.5MQ3 2025: $528.7MQ4 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$528.7M
Q2 2025103$281.5M
Q1 2025108$206.1M
Q4 202492$147.0M
Q3 202479$169.6M
Q2 202482$93.4M
Q1 202478$187.2M
Q4 202377$134.3M
Q3 202376$176.7M
Q2 202373$287.7M
Q1 202373$266.5M
Q4 202255$401.4M
Q3 202238$145.6M
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
Blackstone Group Inc.10,025,151$26.1M0.12%00.0%Unchanged
Tang Capital Management LLC13,496,208$35.1M1.77%+2,443,576+22.1%Added
OrbiMed Advisors LLC15,219,994$39.6M1.00%−7,142,856−31.9%Reduced
Baker Bros. Advisors LP0$00.00%−547,498−100.0%Sold out
Macquarie Group Ltd0$00.00%−340,772−100.0%Sold out
Propel Bio Management, LLC0$00.00%−228,317−100.0%Sold out
Affinity Asset Advisors, LLC0$00.00%−130,807−100.0%Sold out
Simplify Asset Management Inc.0$00.00%−120,000−100.0%Sold out
Franklin Resources Inc0$00.00%−62,844−100.0%Sold out
Nomura Holdings Inc0$00.00%−58,700−100.0%Sold out
Exchange Traded Concepts, LLC0$00.00%−54,207−100.0%Sold out
Walleye Capital LLC0$00.00%−52,478−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−49,963−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−47,700−100.0%Sold out
Verition Fund Management LLC0$00.00%−32,245−100.0%Sold out
Vontobel Holding Ltd.0$00.00%−29,882−100.0%Sold out
Birchview Capital, LP0$00.00%−24,000−100.0%Sold out
Catalina Capital Group, LLC0$00.00%−16,938−100.0%Sold out
Dakota Wealth Management0$00.00%−14,000−100.0%Sold out
HSBC Holdings PLC0$00.00%−11,923−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−12,187−100.0%Sold out
Mariner, LLC0$00.00%−11,381−100.0%Sold out
CoreCap Advisors, LLC0$00.00%−2,664−100.0%Sold out
Coldstream Capital Management Inc0$00.00%−879−100.0%Sold out
US Bancorp0$00.00%−65−100.0%Sold out
True Wealth Design, LLC0$00.00%−20−100.0%Sold out
IFP Advisors, Inc0$00.00%−16−100.0%Sold out