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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 2022

Institutional positions in Compass Therapeutics, Inc. as of Mar 31, 2022. 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
34
−3 vs. Q4 2021
Shares held
62.4M
−1.19M (−1.9%) vs. Q4 2021
Total value
$85.4M
−$116.3M (−57.7%) vs. Q4 2021
New holders
7
6 more added
Sold out
10
5 more reduced

Compare with Q4 2021: 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 2022: 34 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 2022: $85.4M
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 2022

Shares, value and share of portfolio for each institution holding Compass Therapeutics, Inc.; share changes are against Q4 2021.

Institutions holding CMPX in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
OrbiMed Advisors LLC21,642,975$29.7M0.48%00.0%Unchanged
FMR LLC6,872,414$9.42M0.00%00.0%Unchanged
Rock Springs Capital Management LP5,328,088$7.30M0.18%00.0%Unchanged
Foresite Capital Management V, LLC4,400,000$6.03M2.46%00.0%Unchanged
Consonance Capital Management LP3,500,000$4.74M8.05%00.0%Unchanged
Janus Henderson Group PLC3,193,294$4.33M0.00%+1,720,683+116.8%Added
CHI Advisors LLC2,829,712$3.88M1.65%−193,980−6.4%Reduced
Adage Capital Partners GP, L.L.C.2,277,000$3.12M0.01%+877,000+62.6%Added
Vivo Capital, LLC2,000,000$2.74M0.19%00.0%Unchanged
Avidity Partners Management LP2,000,000$2.74M0.06%00.0%Unchanged
Vanguard Group Inc1,572,882$2.15M0.00%00.0%Unchanged
Blackstone Group Inc.1,505,738$2.06M0.01%00.0%Unchanged
Monashee Investment Management LLC1,270,211$1.74M0.50%−729,789−36.5%Reduced
Foresite Capital Opportunity Management V, LLC1,100,000$1.51M2.11%00.0%Unchanged
Fred Alger Management, LLC608,536$834.0K0.00%−210,209−25.7%Reduced
Farallon Capital Management, L.L.C.582,750$798.0K0.00%−417,250−41.7%Reduced
Ra Capital Management, L.P.532,958$730.0K0.02%−1,316,560−71.2%Reduced
CM Management, LLC300,000$411.0K0.35%+300,000New
DAFNA Capital Management LLC196,091$269.0K0.07%00.0%Unchanged
Alphabet Inc.192,794$264.0K0.01%00.0%Unchanged
Salem Investment Counselors Inc100,000$137.0K0.01%00.0%Unchanged
LMR Partners LLP100,000$137.0K0.00%00.0%Unchanged
Ikarian Capital, LLC74,171$100.0K0.03%+4,171+6.0%Added
Qube Research & Technologies Ltd52,842$72.0K0.00%+23,789+81.9%Added
Millennium Management LLC38,545$53.0K0.00%+27,388+245.5%Added
Morgan Stanley26,977$37.0K0.00%+9,504+54.4%Added
Geode Capital Management, LLC24,857$34.0K0.00%+24,857New
Mascoma Wealth Management LLC15,682$21.0K0.01%00.0%Unchanged
B. Riley Wealth Management, Inc.14,918$20.0K0.00%+14,918New
Renaissance Technologies LLC13,300$18.0K0.00%+13,300New
UBS Group AG7,228$10.0K0.00%00.0%Unchanged
Charter Oak Capital Management, LLC1,483$2.00K0.00%+1,483New
Royal Bank of Canada783$1.00K0.00%+783New
Bank of America Corp6$00.00%+6New
Sphera Funds Management Ltd.0$00.00%−700,000−100.0%Sold out
Driehaus Capital Management LLC0$00.00%−250,000−100.0%Sold out
Octagon Capital Advisors LP0$00.00%−240,000−100.0%Sold out
Citigroup Inc0$00.00%−37,834−100.0%Sold out
Citadel Advisors LLC0$00.00%−33,573−100.0%Sold out
New Capital Management LP0$00.00%−24,243−100.0%Sold out
JPMorgan Chase & Co0$00.00%−23,749−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−18,880−100.0%Sold out
Difesa Capital Management, LP0$00.00%−10,337−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−3,205−100.0%Sold out