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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 2024

Institutional positions in Compass Therapeutics, Inc. as of Mar 31, 2024. 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
78
+1 vs. Q4 2023
Shares held
94.9M
+8.52M (+9.9%) vs. Q4 2023
Total value
$187.9M
+$53.1M (+39.4%) vs. Q4 2023
New holders
9
19 more added
Sold out
8
34 more reduced

Compare with Q4 2023: 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 2024: 78 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 2024: $187.9M
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, Q1 2024

Shares, value and share of portfolio for each institution holding Compass Therapeutics, Inc.; share changes are against Q4 2023.

Institutions holding CMPX in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
OrbiMed Advisors LLC22,362,850$44.3M0.81%00.0%Unchanged
Adage Capital Partners GP, L.L.C.11,130,000$22.0M0.04%+1,250,000+12.7%Added
Janus Henderson Group PLC6,492,900$12.8M0.01%−54,331−0.8%Reduced
Blackstone Group Inc.6,189,551$12.3M0.05%00.0%Unchanged
BlackRock Inc.6,032,466$11.9M0.00%−189,843−3.1%Reduced
Cormorant Asset Management, LP5,560,300$11.0M0.49%+5,560,300New
Rock Springs Capital Management LP5,513,788$10.9M0.28%00.0%Unchanged
FMR LLC4,515,137$8.94M0.00%−36,369−0.8%Reduced
Vanguard Group Inc4,152,197$8.22M0.00%+71,008+1.7%Added
Vivo Capital, LLC3,556,023$7.04M0.55%00.0%Unchanged
Opaleye Management Inc.3,170,000$6.28M1.37%+3,170,000New
Blue Owl Capital Holdings LP2,829,712$5.60M1.12%00.0%Unchanged
Geode Capital Management, LLC2,075,335$4.11M0.00%+83,307+4.2%Added
MPM Oncology Impact Management LP1,971,402$3.90M0.63%+1,971,402New
State Street Corp1,826,177$3.62M0.00%+99,873+5.8%Added
Baker Bros. Advisors LP1,557,630$3.08M0.04%00.0%Unchanged
Northern Trust Corp766,911$1.52M0.00%+7,178+0.9%Added
Monashee Investment Management LLC500,000$990.0K0.12%00.0%Unchanged
Morgan Stanley492,693$975.5K0.00%+36,713+8.1%Added
Wellington Management Group LLP320,621$634.8K0.00%+320,621New
CM Management, LLC310,000$613.8K0.52%+185,000+148.0%Added
Nuveen Asset Management, LLC304,504$602.9K0.00%00.0%Unchanged
Bank of New York Mellon Corp252,505$500.0K0.00%−18,659−6.9%Reduced
Connor, Clark & Lunn Investment Management Ltd.240,800$476.8K0.00%+27,835+13.1%Added
Charles Schwab Investment Management Inc240,195$475.6K0.00%−5,817−2.4%Reduced
Pennant Investors, LP199,000$394.0K0.11%00.0%Unchanged
Millennium Management LLC193,767$383.7K0.00%−300,325−60.8%Reduced
Exchange Traded Concepts, LLC146,874$290.8K0.01%+81,055+123.1%Added
Citadel Advisors LLC144,185$285.5K0.00%−21,952−13.2%Reduced
Two Sigma Investments, LP141,642$280.5K0.00%−51,058−26.5%Reduced
Pale Fire Capital SE125,968$249.4K0.03%−55,087−30.4%Reduced
Goldman Sachs Group Inc122,712$243.0K0.00%−83,885−40.6%Reduced
Rhumbline Advisers119,474$236.6K0.00%+2,942+2.5%Added
DAFNA Capital Management LLC116,882$231.4K0.05%00.0%Unchanged
UBS Group AG110,211$218.2K0.00%+7,663+7.5%Added
JPMorgan Chase & Co76,706$151.9K0.00%−47,958−38.5%Reduced
Barclays PLC75,913$150.3K0.00%−49,573−39.5%Reduced
Renaissance Technologies LLC70,400$139.0K0.00%−106,399−60.2%Reduced
Two Sigma Advisers, LP59,300$117.4K0.00%−11,500−16.2%Reduced
Squarepoint Ops LLC50,812$100.6K0.00%−37,908−42.7%Reduced
MetLife Investment Management50,530$100.0K0.00%+577+1.2%Added
National Asset Management, Inc.50,000$98.5K0.00%00.0%Unchanged
Bank of America Corp45,414$89.9K0.00%−46,082−50.4%Reduced
American International Group, Inc.44,974$89.0K0.00%−386−0.9%Reduced
Caxton Corp43,465$86.1K0.49%00.0%Unchanged
Deutsche Bank AG42,688$84.5K0.00%−1,926−4.3%Reduced
Invesco Ltd.41,763$82.7K0.00%−1,427−3.3%Reduced
Simplicity Wealth,LLC40,243$79.7K0.00%+40,243New
Bleakley Financial Group, LLC40,243$79.7K0.00%+40,243New
Manufacturers Life Insurance Company, The38,386$76.0K0.00%+866+2.3%Added
New York State Common Retirement Fund38,077$75.4K0.00%−104−0.3%Reduced
Voya Investment Management LLC32,198$63.8K0.00%−7,358−18.6%Reduced
Wells Fargo & Company31,819$63.0K0.00%+4,091+14.8%Added
SG Americas Securities, LLC28,741$57.0K0.00%−18,883−39.7%Reduced
Price T Rowe Associates Inc24,055$48.0K0.00%+700+3.0%Added
New Capital Management LP21,131$41.8K0.01%00.0%Unchanged
Jane Street Group, LLC20,673$40.9K0.00%−62,412−75.1%Reduced
STRS Ohio17,900$35.0K0.00%−1,100−5.8%Reduced
Citigroup Inc17,042$33.7K0.00%+3,640+27.2%Added
Algert Global LLC16,580$32.8K0.00%+16,580New
ProShare Advisors LLC16,396$32.5K0.00%+1,292+8.6%Added
Alliancebernstein L.P.13,480$26.7K0.00%00.0%Unchanged
Dimensional Fund Advisors LP11,117$22.0K0.00%00.0%Unchanged
Principal Financial Group Inc10,586$21.0K0.00%−1,386−11.6%Reduced
HSBC Holdings PLC10,476$20.7K0.00%−21,669−67.4%Reduced
ADAR1 Capital Management, LLC10,206$20.2K0.01%+10,206New
Victory Capital Management Inc10,021$19.8K0.00%−1,010−9.2%Reduced
California State Teachers Retirement System9,176$18.2K0.00%−5,845−38.9%Reduced
Legal & General Group Plc7,867$15.6K0.00%−13,681−63.5%Reduced
Ameritas Investment Partners, Inc.7,536$14.9K0.00%00.0%Unchanged
Amalgamated Bank3,077$6.00K0.00%−5,384−63.6%Reduced
Royal Bank of Canada2,070$4.00K0.00%−27,018−92.9%Reduced
Metropolitan Life Insurance Co1,926$3.81K0.00%+804+71.7%Added
Federated Hermes, Inc.933$1.85K0.00%−2,608−73.7%Reduced
Tower Research Capital LLC (TRC)797$1.58K0.00%−9,418−92.2%Reduced
Nisa Investment Advisors, LLC20$400.00%−45−69.2%Reduced
Nelson, Van Denburg & Campbell Wealth Management Group, LLC16$310.00%+16New
CWM, LLC161$00.00%+3+1.9%Added
Avidity Partners Management LP0$00.00%−1,599,600−100.0%Sold out
Ally Bridge Group (NY) LLC0$00.00%−834,630−100.0%Sold out
Braidwell LP0$00.00%−317,761−100.0%Sold out
Element Capital Management LLC0$00.00%−293,888−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−65,852−100.0%Sold out
Virtu Financial LLC0$00.00%−28,054−100.0%Sold out
State Board of Administration of Florida Retirement System0$00.00%−26,320−100.0%Sold out
Wexford Capital LP0$00.00%−12,700−100.0%Sold out