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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.

Q4 2022 vs. Q3 2022

How the institutions holding Compass Therapeutics, Inc. changed between Q3 2022 and Q4 2022.

All holders in Q4 2022All holders in Q3 2022

13F holders of CMPX: Q3 2022 compared with Q4 2022
MeasureQ3 2022Of which not filed for Q4 2022Q4 2022Change
Holders38155+18
Shares63.9M1.55M79.8M+17.5M (+28.1%)
Value$145.6M$3.54M$401.4M+$259.3M (+182.5%)

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (19)

Institutions that held Compass Therapeutics, Inc. at the end of Q4 2022 but not at the end of Q3 2022.

Institutions new to CMPX in Q4 2022
InstitutionSharesValue% of portfolio
Braidwell LP1,814,266$9.13M0.31%
Baker Bros. Advisors LP1,557,630$7.83M0.05%
Alyeska Investment Group, L.P.545,170$2.73M0.03%
Hudson Bay Capital Management LP311,500$1.49M0.02%
State Street Corp270,113$1.36M0.00%
Caxton Corp211,159$1.06M2.71%
Qube Research & Technologies Ltd62,995$316.9K0.00%
Citadel Advisors LLC62,276$313.2K0.00%
683 Capital Management, LLC38,039$191.3K0.02%
Mirabella Financial Services LLP30,444$153.1K0.01%
Jump Financial, LLC29,200$146.9K0.01%
Balyasny Asset Management LLC28,793$144.8K0.00%
Man Group plc25,305$127.3K0.00%
Boothbay Fund Management, LLC17,130$86.2K0.00%
National Asset Management, Inc.14,918$75.0K0.00%
Lighthouse Investment Partners, LLC14,662$73.8K0.01%
Cubist Systematic Strategies, LLC10,300$51.8K0.00%
Tower Research Capital LLC (TRC)1,160$6.00K0.00%
Bank of America Corp82$4120.00%

Sold out (1)

Institutions that held Compass Therapeutics, Inc. at the end of Q3 2022 and filed for Q4 2022 without it.

Institutions that sold out of CMPX in Q4 2022
InstitutionShares, Q3 2022Value, Q3 2022
Royal Bank of Canada675$2.00K

Not filed for Q4 2022 yet (1)

Institutions that held Compass Therapeutics, Inc. at the end of Q3 2022 and haven't filed a 13F for Q4 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CMPX in Q3 2022 that haven't filed for Q4 2022
InstitutionShares, Q3 2022Value, Q3 2022
Foresite Capital Opportunity Management V, LLC1,554,250$3.54M