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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 2023

Institutional positions in Compass Therapeutics, Inc. as of Mar 31, 2023. 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
73
+18 vs. Q4 2022
Shares held
81.5M
+1.65M (+2.1%) vs. Q4 2022
Total value
$266.5M
−$134.9M (−33.6%) vs. Q4 2022
New holders
24
26 more added
Sold out
6
11 more reduced

Compare with Q4 2022: 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 2023: 73 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 2023: $266.5M
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, Q1 2023

Shares, value and share of portfolio for each institution holding Compass Therapeutics, Inc.; share changes are against Q4 2022.

Institutions holding CMPX in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Quantbot Technologies LP17$560.00%+17New
JPMorgan Chase & Co407$1.00K0.00%+407New
Royal Bank of Canada957$3.00K0.00%+957New
Wells Fargo & Company1,337$4.37K0.00%+701+110.2%Added
Point72 Asset Management, L.P.1,528$5.00K0.00%+1,528New
UBS Group AG7,682$25.1K0.00%−4,137−35.0%Reduced
Tower Research Capital LLC (TRC)7,855$26.0K0.00%+6,695+577.2%Added
Twinbeech Capital LP10,506$34.4K0.00%+10,506New
Flagship Harbor Advisors, LLC11,500$37.6K0.00%00.0%Unchanged
Jefferies Financial Group Inc.12,434$40.7K0.00%+12,434New
Schonfeld Strategic Advisors LLC14,127$46.2K0.00%+14,127New
Point72 Middle East FZE14,497$47.4K0.00%+14,497New
National Asset Management, Inc.14,918$48.8K0.00%00.0%Unchanged
Two Sigma Investments, LP15,222$49.8K0.00%+15,222New
Squarepoint Ops LLC16,263$53.2K0.00%+16,263New
ExodusPoint Capital Management, LP16,840$55.0K0.00%+16,840New
Legal & General Group Plc18,268$59.7K0.00%+18,268New
Lighthouse Investment Partners, LLC20,723$67.8K0.01%+6,061+41.3%Added
Arizona State Retirement System21,938$71.7K0.00%+21,938New
Connor, Clark & Lunn Investment Management Ltd.22,551$73.7K0.00%+22,551New
Verition Fund Management LLC23,062$75.4K0.00%+23,062New
Teacher Retirement System of Texas23,325$76.0K0.00%+23,325New
New Capital Management LP24,243$79.3K0.03%00.0%Unchanged
Diametric Capital, LP26,227$85.8K0.04%+26,227New
Balyasny Asset Management LLC26,828$87.7K0.00%−1,965−6.8%Reduced
Boothbay Fund Management, LLC26,945$88.1K0.00%+9,815+57.3%Added
Jump Financial, LLC27,310$89.3K0.00%−1,890−6.5%Reduced
Salem Investment Counselors Inc30,000$98.1K0.00%00.0%Unchanged
Man Group plc–$122.7K0.00%––
683 Capital Management, LLC38,039$124.4K0.01%00.0%Unchanged
Bank of New York Mellon Corp39,306$128.5K0.00%00.0%Unchanged
Barclays PLC40,986$134.0K0.00%+22,761+124.9%Added
Charles Schwab Investment Management Inc42,767$139.8K0.00%00.0%Unchanged
Wedbush Securities Inc43,444$142.0K0.01%+43,444New
Citadel Advisors LLC44,460$145.4K0.00%−17,816−28.6%Reduced
Cubist Systematic Strategies, LLC51,576$168.7K0.00%+41,276+400.7%Added
Renaissance Technologies LLC52,300$171.0K0.00%+400+0.8%Added
Credit Suisse AG58,159$190.2K0.00%+58,159New
Marshall Wace, LLP65,177$213.1K0.00%+36,881+130.3%Added
California State Teachers Retirement System66,392$217.1K0.00%+66,392New
State of Wisconsin Investment Board69,856$223.5K0.00%+69,856New
Bank of America Corp93,980$307.3K0.00%+93,898+114,509.8%Added
DAFNA Capital Management LLC116,882$382.2K0.11%−485,169−80.6%Reduced
Citigroup Inc142,941$467.4K0.00%+16,626+13.2%Added
LMR Partners LLP146,173$478.0K0.01%+21,234+17.0%Added
Morgan Stanley160,064$523.4K0.00%+95,566+148.2%Added
Qube Research & Technologies Ltd162,624$531.8K0.00%+99,629+158.2%Added
Swiss National Bank163,400$534.3K0.00%+163,400New
Northern Trust Corp185,303$605.9K0.00%+28,220+18.0%Added
Goldman Sachs Group Inc198,522$649.2K0.00%+198,522New
Caxton Corp211,740$675.5K1.71%+581+0.3%Added
Jane Street Group, LLC382,385$1.25M0.00%+319,556+508.6%Added
State Street Corp402,313$1.32M0.00%+132,200+48.9%Added
Fred Alger Management, LLC403,062$1.32M0.01%−205,474−33.8%Reduced
Prosight Management, LP678,300$2.22M1.06%+678,300New
Susquehanna International Group, LLP782,617$2.56M0.00%+326,936+71.7%Added
Geode Capital Management, LLC883,563$2.89M0.00%+93,315+11.8%Added
Millennium Management LLC978,403$3.20M0.00%+896,456+1,093.9%Added
BlackRock Inc.1,540,895$5.04M0.00%+303,114+24.5%Added
Baker Bros. Advisors LP1,557,630$5.09M0.03%00.0%Unchanged
Avidity Partners Management LP1,825,000$5.97M0.20%−175,000−8.8%Reduced
Monashee Investment Management LLC2,177,042$7.12M1.97%−53,399−2.4%Reduced
CHI Advisors LLC2,829,712$9.25M2.46%00.0%Unchanged
Braidwell LP3,247,847$10.6M0.35%+1,433,581+79.0%Added
Foresite Capital Management V, LLC3,480,723$11.4M8.41%−919,277−20.9%Reduced
Vivo Capital, LLC3,556,023$11.6M0.87%−1,6070.0%Reduced
Vanguard Group Inc3,689,326$12.1M0.00%+78,922+2.2%Added
Blackstone Group Inc.4,620,998$15.1M0.06%00.0%Unchanged
Rock Springs Capital Management LP5,513,788$18.0M0.43%+180,600+3.4%Added
FMR LLC5,681,072$18.6M0.00%−673,742−10.6%Reduced
Janus Henderson Group PLC6,004,473$19.6M0.01%+65,183+1.1%Added
Adage Capital Partners GP, L.L.C.6,250,000$20.4M0.05%+475,200+8.2%Added
OrbiMed Advisors LLC22,362,850$73.1M1.45%00.0%Unchanged
Eventide Asset Management, LLC0$00.00%−935,091−100.0%Sold out
Alyeska Investment Group, L.P.0$00.00%−545,170−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−311,500−100.0%Sold out
Silverarc Capital Management, LLC0$00.00%−268,307−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−30,444−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−100−100.0%Sold out