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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, Q1 2025

Institutional positions in Compass Therapeutics, Inc. as of Mar 31, 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
108
+17 vs. Q4 2024
Shares held
108.5M
+7.40M (+7.3%) vs. Q4 2024
Total value
$206.1M
+$59.5M (+40.6%) vs. Q4 2024
New holders
27
30 more added
Sold out
10
29 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 108 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 heldQ1 2025: $206.1M
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, Q1 2025

Shares, value and share of portfolio for each institution holding Compass Therapeutics, Inc.; share changes are against Q4 2024.

Institutions holding CMPX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Nisa Investment Advisors, LLC848$1.61K0.00%00.0%Unchanged
SBI Securities Co., Ltd.354$6730.00%−54−13.2%Reduced
Marshall & Sterling Wealth Advisors Inc.200$3800.00%00.0%Unchanged
Russell Investments Group, Ltd.193$3670.00%00.0%Unchanged
US Bancorp65$1240.00%+65New
EverSource Wealth Advisors, LLC21$400.00%+21New
True Wealth Design, LLC20$380.00%+20New
IFP Advisors, Inc16$300.00%00.0%Unchanged
CM Management, LLC0$00.00%−310,000−100.0%Sold out
DAFNA Capital Management LLC0$00.00%−158,394−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−156,871−100.0%Sold out
XTX Topco Ltd0$00.00%−52,754−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−51,000−100.0%Sold out
Bleakley Financial Group, LLC0$00.00%−39,993−100.0%Sold out
Squarepoint Ops LLC0$00.00%−24,072−100.0%Sold out
Algert Global LLC0$00.00%−22,588−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−13,887−100.0%Sold out
Victory Capital Management Inc0$00.00%−10,536−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed