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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, Q4 2023

Institutional positions in Compass Therapeutics, Inc. as of Dec 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
77
+2 vs. Q3 2023
Shares held
86.1M
−779.0K (−0.9%) vs. Q3 2023
Total value
$134.3M
−$36.8M (−21.5%) vs. Q3 2023
New holders
15
20 more added
Sold out
13
25 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 77 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 heldQ4 2023: $134.3M
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, Q4 2023

Shares, value and share of portfolio for each institution holding Compass Therapeutics, Inc.; share changes are against Q3 2023.

Institutions holding CMPX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
CWM, LLC158$00.00%+158New
Nisa Investment Advisors, LLC65$1010.00%+65New
Metropolitan Life Insurance Co1,122$1.75K0.00%−4,054−78.3%Reduced
Federated Hermes, Inc.3,541$5.52K0.00%+3,541New
Ameritas Investment Partners, Inc.7,536$11.8K0.00%00.0%Unchanged
Amalgamated Bank8,461$13.0K0.00%−916−9.8%Reduced
Tower Research Capital LLC (TRC)10,215$15.9K0.00%+4,077+66.4%Added
Victory Capital Management Inc11,031$17.2K0.00%+11,031New
Dimensional Fund Advisors LP11,117$17.3K0.00%−44−0.4%Reduced
Principal Financial Group Inc11,972$18.7K0.00%00.0%Unchanged
Wexford Capital LP12,700$19.8K0.00%+12,700New
Citigroup Inc13,402$20.9K0.00%+13,219+7,223.5%Added
Alliancebernstein L.P.13,480$21.0K0.00%00.0%Unchanged
California State Teachers Retirement System15,021$23.4K0.00%−72,268−82.8%Reduced
ProShare Advisors LLC15,104$23.6K0.00%+3,248+27.4%Added
STRS Ohio19,000$29.0K0.00%00.0%Unchanged
New Capital Management LP21,131$33.0K0.01%−3,112−12.8%Reduced
Legal & General Group Plc21,548$33.6K0.00%−25,324−54.0%Reduced
Price T Rowe Associates Inc23,355$37.0K0.00%+2,892+14.1%Added
State Board of Administration of Florida Retirement System26,320$39.0K0.00%00.0%Unchanged
Wells Fargo & Company27,728$43.3K0.00%+5,536+24.9%Added
Virtu Financial LLC28,054$44.0K0.00%+28,054New
Royal Bank of Canada29,088$45.0K0.00%+9,338+47.3%Added
HSBC Holdings PLC32,145$47.9K0.00%+32,145New
Manufacturers Life Insurance Company, The37,520$58.5K0.00%00.0%Unchanged
New York State Common Retirement Fund38,181$59.6K0.00%−180−0.5%Reduced
Voya Investment Management LLC39,556$61.7K0.00%00.0%Unchanged
Invesco Ltd.43,190$67.4K0.00%−22,906−34.7%Reduced
Caxton Corp43,465$67.8K0.37%−43,308−49.9%Reduced
Deutsche Bank AG44,614$69.6K0.00%00.0%Unchanged
American International Group, Inc.45,360$70.8K0.00%−184−0.4%Reduced
SG Americas Securities, LLC47,624$74.0K0.00%+8,817+22.7%Added
MetLife Investment Management49,953$77.9K0.00%00.0%Unchanged
National Asset Management, Inc.50,000$78.0K0.00%00.0%Unchanged
JPMorgan Chase & Co62,332$97.2K0.00%−407−0.6%Reduced
Exchange Traded Concepts, LLC65,819$102.7K0.00%+16,690+34.0%Added
Susquehanna International Group, LLP65,852$102.7K0.00%+65,852New
Two Sigma Advisers, LP70,800$110.4K0.00%+32,200+83.4%Added
Jane Street Group, LLC83,085$129.6K0.00%+83,085New
Squarepoint Ops LLC88,720$138.4K0.00%+88,720New
Bank of America Corp91,496$142.7K0.00%−22,662−19.9%Reduced
UBS Group AG102,548$160.0K0.00%+43,503+73.7%Added
Rhumbline Advisers116,532$181.8K0.00%−587−0.5%Reduced
DAFNA Capital Management LLC116,882$182.3K0.04%00.0%Unchanged
CM Management, LLC125,000$195.0K0.16%+125,000New
Barclays PLC125,486$195.8K0.00%+95,183+314.1%Added
Citadel Advisors LLC166,137$259.2K0.00%+166,137New
Renaissance Technologies LLC176,799$276.0K0.00%+149,999+559.7%Added
Pale Fire Capital SE181,055$282.4K0.04%+135,900+301.0%Added
Two Sigma Investments, LP192,700$300.6K0.00%+167,000+649.8%Added
Pennant Investors, LP199,000$310.4K0.10%+199,000New
Goldman Sachs Group Inc206,597$322.3K0.00%−13,585−6.2%Reduced
Connor, Clark & Lunn Investment Management Ltd.212,965$332.2K0.00%+80,173+60.4%Added
Morgan Stanley227,990$355.7K0.00%+164,701+260.2%Added
Charles Schwab Investment Management Inc246,012$383.8K0.00%−17,264−6.6%Reduced
Bank of New York Mellon Corp271,164$423.0K0.00%−1,288−0.5%Reduced
Element Capital Management LLC293,888$458.5K1.55%+293,888New
Nuveen Asset Management, LLC304,504$475.0K0.00%−93,030−23.4%Reduced
Braidwell LP317,761$495.7K0.02%−5,636,512−94.7%Reduced
Millennium Management LLC494,092$770.8K0.00%+187,469+61.1%Added
Monashee Investment Management LLC500,000$780.0K0.14%−726,142−59.2%Reduced
Northern Trust Corp759,733$1.19M0.00%−65,381−7.9%Reduced
Ally Bridge Group (NY) LLC834,630$1.30M0.94%−80,000−8.7%Reduced
Baker Bros. Advisors LP1,557,630$2.43M0.03%00.0%Unchanged
Avidity Partners Management LP1,599,600$2.50M0.10%00.0%Unchanged
State Street Corp1,726,304$2.69M0.00%−29,809−1.7%Reduced
Geode Capital Management, LLC1,992,028$3.11M0.00%+99,707+5.3%Added
Blue Owl Capital Holdings LP2,829,712$4.41M1.06%+2,829,712New
Vivo Capital, LLC3,556,023$5.55M0.45%00.0%Unchanged
Vanguard Group Inc4,081,189$6.37M0.00%−26,330−0.6%Reduced
FMR LLC4,551,506$7.10M0.00%−1,5870.0%Reduced
Rock Springs Capital Management LP5,513,788$8.60M0.21%00.0%Unchanged
Blackstone Group Inc.6,189,551$9.70M0.04%00.0%Unchanged
BlackRock Inc.6,222,309$9.71M0.00%+248,574+4.2%Added
Janus Henderson Group PLC6,547,231$10.2M0.01%−113,407−1.7%Reduced
Adage Capital Partners GP, L.L.C.9,880,000$15.4M0.03%+3,500,000+54.9%Added
OrbiMed Advisors LLC22,362,850$34.9M0.70%00.0%Unchanged
Foresite Capital Management V, LLC0$00.00%−1,246,977−100.0%Sold out
Prosight Management, LP0$00.00%−935,157−100.0%Sold out
Swiss National Bank0$00.00%−163,400−100.0%Sold out
Alps Advisors Inc0$00.00%−94,115−100.0%Sold out
Credit Suisse AG0$00.00%−73,368−100.0%Sold out
Algert Global LLC0$00.00%−33,963−100.0%Sold out
Salem Investment Counselors Inc0$00.00%−30,000−100.0%Sold out
Zurcher Kantonalbank (Zurich Cantonalbank)0$00.00%−24,314−100.0%Sold out
Arizona State Retirement System0$00.00%−21,612−100.0%Sold out
Teacher Retirement System of Texas0$00.00%−21,566−100.0%Sold out
Verition Fund Management LLC0$00.00%−15,515−100.0%Sold out
Stifel Financial Corp0$00.00%−15,000−100.0%Sold out
Flagship Harbor Advisors, LLC0$00.00%−11,000−100.0%Sold out
CHI Advisors LLC––––Not filed