Compass Therapeutics, Inc.

NasdaqCM:CMPX Stock Report

Market Cap: US$938.3m

Compass Therapeutics Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqCM:CMPX Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
27 May 25BuyUS$21,100Thomas SchuetzIndividual10,000US$2.11
09 Apr 25SellUS$5,678,571OrbiMed Advisors LLCCompany3,571,428US$1.59
07 Apr 25BuyUS$28,400Neil LernerIndividual20,000US$1.42
07 Apr 25BuyUS$30,800Jonathan AndermanIndividual20,000US$1.54

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of CMPX?
Owner TypeNumber of SharesOwnership Percentage
Private Companies7,788,1504.15%
Hedge Funds14,182,3797.56%
Individual Insiders14,482,2617.72%
VC/PE Firms24,765,46013.2%
Institutions126,389,43367.4%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 30.2%.

Top Shareholders

Top 25 shareholders own 86.59% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
9.32%
Tang Capital Management, LLC
16,790,809US$87.5m-0.13%4.39%
8.45%
OrbiMed Advisors LLC
15,219,994US$79.3m0%1.16%
7.88%
Suvretta Capital Management, LLC
14,182,379US$73.9m0.58%1.83%
5.3%
Vivo Capital, LLC
9,545,466US$49.7m0%2.87%
5.21%
BlackRock, Inc.
9,388,197US$48.9m27.4%no data
4.47%
The Vanguard Group, Inc.
8,048,374US$41.9m13.9%no data
4.32%
Enavate Sciences
7,788,150US$40.6m0%no data
4.31%
BVF Partners L.P.
7,764,842US$40.5m63.5%1.33%
3.4%
Blackstone Inc.
6,126,182US$31.9m654%0.09%
3.4%
Blackstone Alternative Asset Management L.P.
6,126,182US$31.9m-32.1%3.95%
3.28%
Thomas Schuetz
5,909,586US$30.8m3.52%no data
2.72%
State Street Global Advisors, Inc.
4,890,525US$25.5m57.4%no data
2.6%
Mark Lampert
4,673,550US$24.3m0%no data
2.46%
Adage Capital Management, L.P.
4,436,500US$23.1m-14.5%0.04%
2.18%
Rock Springs Capital Management LP
3,927,202US$20.5m-12.2%1.2%
2%
Deerfield Management Company, L.P.
3,606,000US$18.8m0%0.26%
1.94%
Geode Capital Management, LLC
3,502,526US$18.2m19%no data
1.92%
CHI Advisors LLC
3,466,525US$18.1m33.8%9.16%
1.92%
Vered Bisker-Leib
3,458,125US$18.0m0%no data
1.87%
Sofinnova Investment, Inc.
3,365,446US$17.5m65.9%0.91%
1.73%
Millennium Management LLC
3,109,286US$16.2m-3.96%0.01%
1.55%
Braidwell LP
2,786,778US$14.5m0%0.58%
1.53%
Borealis Ventures
2,749,256US$14.3m0%no data
1.41%
Impresa Management LLC
2,542,276US$13.2m-38.3%10.07%
1.41%
Palo Alto Investors LP
2,532,419US$13.2m0%2.0%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/03/30 12:49
End of Day Share Price 2026/03/27 00:00
Earnings2025/12/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Compass Therapeutics, Inc. is covered by 24 analysts. 15 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Aydin HuseynovBenchmark Company
Mayank MamtaniB. Riley Securities, Inc.
Justin WalshB. Riley Securities, Inc.