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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 2025

Institutional positions in Compass Therapeutics, Inc. as of Mar 31, 2025. 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
108
+17 vs. Q4 2024
Shares held
108.5M
+7.40M (+7.3%) vs. Q4 2024
Total value
$206.1M
+$59.5M (+40.6%) vs. Q4 2024
New holders
27
30 more added
Sold out
10
29 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 108 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 2025: $206.1M
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 2025

Shares, value and share of portfolio for each institution holding Compass Therapeutics, Inc.; share changes are against Q4 2024.

Institutions holding CMPX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
IFP Advisors, Inc16$300.00%00.0%Unchanged
True Wealth Design, LLC20$380.00%+20New
EverSource Wealth Advisors, LLC21$400.00%+21New
US Bancorp65$1240.00%+65New
Russell Investments Group, Ltd.193$3670.00%00.0%Unchanged
Marshall & Sterling Wealth Advisors Inc.200$3800.00%00.0%Unchanged
SBI Securities Co., Ltd.354$6730.00%−54−13.2%Reduced
Nisa Investment Advisors, LLC848$1.61K0.00%00.0%Unchanged
Coldstream Capital Management Inc879$1.67K0.00%+879New
CWM, LLC878$2.00K0.00%+319+57.1%Added
Sterling Capital Management LLC1,760$3.34K0.00%−1,704−49.2%Reduced
CoreCap Advisors, LLC2,664$5.06K0.00%+364+15.8%Added
Amalgamated Bank3,077$6.00K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.5,000$9.50K0.00%+4,995+99,900.0%Added
Fortitude Family Office, LLC5,145$9.78K0.00%00.0%Unchanged
California State Teachers Retirement System7,390$14.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.7,536$14.3K0.00%00.0%Unchanged
Legal & General Group Plc8,648$16.5K0.00%−1,523−15.0%Reduced
Royal Bank of Canada9,559$18.0K0.00%−5,784−37.7%Reduced
ACT Advisors, LLC.10,761$20.4K0.01%+233+2.2%Added
BNP Paribas Arbitrage, SA11,132$21.2K0.00%−7,430−40.0%Reduced
Mariner, LLC11,381$21.6K0.00%−9,292−44.9%Reduced
Gsa Capital Partners LLP12,187$23.0K0.00%+12,187New
HSBC Holdings PLC11,923$23.3K0.00%−9,606−44.6%Reduced
Stonebrook Private Inc.12,294$23.4K0.01%+1,006+8.9%Added
North Star Investment Management Corp.12,500$23.8K0.00%00.0%Unchanged
Colony Group, LLC13,601$25.8K0.00%+10+0.1%Added
Financial Advisory Corp13,495$26.0K0.01%00.0%Unchanged
Dakota Wealth Management14,000$26.6K0.00%00.0%Unchanged
Catalina Capital Group, LLC16,938$32.2K0.02%−32,026−65.4%Reduced
State Board of Administration of Florida Retirement System17,730$33.7K0.00%+17,730New
STRS Ohio17,900$34.0K0.00%00.0%Unchanged
Independent Advisor Alliance18,450$35.1K0.00%+502+2.8%Added
Captrust Financial Advisors19,993$38.0K0.00%+19,993New
Alliancebernstein L.P.21,440$40.7K0.00%00.0%Unchanged
ProShare Advisors LLC22,079$42.0K0.00%−6,643−23.1%Reduced
Tower Research Capital LLC (TRC)22,522$42.8K0.00%+5,271+30.6%Added
CIBC World Markets Corp22,630$43.0K0.00%+22,630New
Police & Firemen's Retirement System of New Jersey22,933$43.6K0.00%00.0%Unchanged
Marex Group plc23,600$44.8K0.00%+23,600New
Birchview Capital, LP24,000$45.6K0.04%+24,000New
Walleye Trading LLC25,000$47.5K0.00%+25,000New
Sequoia Financial Advisors, LLC27,934$53.1K0.00%−2,942−9.5%Reduced
Voya Investment Management LLC29,488$56.0K0.00%−3,073−9.4%Reduced
Vontobel Holding Ltd.29,882$56.8K0.00%+29,882New
New York State Common Retirement Fund30,407$57.8K0.00%−7,800−20.4%Reduced
Verition Fund Management LLC32,245$61.3K0.00%+32,245New
Invesco Ltd.37,157$70.6K0.00%−2,326−5.9%Reduced
MetLife Investment Management37,167$70.6K0.00%−25,974−41.1%Reduced
Manufacturers Life Insurance Company, The39,501$75.1K0.00%−2,479−5.9%Reduced
LPL Financial LLC42,100$80.0K0.00%−2,900−6.4%Reduced
Caxton Corp43,465$82.6K1.63%00.0%Unchanged
Simplicity Wealth,LLC46,543$88.4K0.01%+46,543New
Price T Rowe Associates Inc46,942$90.0K0.00%00.0%Unchanged
State of Wisconsin Investment Board47,700$90.6K0.00%+47,700New
Corebridge Financial, Inc.49,963$94.9K0.00%−741−1.5%Reduced
Two Sigma Investments, LP51,239$97.4K0.00%−93,999−64.7%Reduced
Walleye Capital LLC52,478$99.7K0.00%+52,478New
Exchange Traded Concepts, LLC54,207$103.0K0.00%−43,724−44.6%Reduced
Nomura Holdings Inc58,700$111.5K0.00%+58,700New
Mirae Asset Global ETFs Holdings Ltd.61,040$116.0K0.00%+2,574+4.4%Added
Wells Fargo & Company61,213$116.3K0.00%+1,353+2.3%Added
Franklin Resources Inc62,844$119.4K0.00%+62,844New
American Century Companies Inc73,682$140.0K0.00%+73,682New
Intech Investment Management LLC78,294$148.8K0.00%+26,370+50.8%Added
Deutsche Bank AG102,041$193.9K0.00%+102,041New
Barclays PLC118,731$225.6K0.00%−74,035−38.4%Reduced
Simplify Asset Management Inc.120,000$228.0K0.01%+120,000New
Rhumbline Advisers120,029$228.0K0.00%−9,087−7.0%Reduced
Affinity Asset Advisors, LLC130,807$248.5K0.04%+130,807New
Citigroup Inc131,237$249.3K0.00%+52,634+67.0%Added
Susquehanna International Group, LLP131,497$249.8K0.00%+76,882+140.8%Added
Dimensional Fund Advisors LP138,802$264.0K0.00%+127,685+1,148.6%Added
Cantor Fitzgerald, L. P.150,000$285.0K0.01%+50,000+50.0%Added
UBS Group AG152,851$290.4K0.00%−10,805−6.6%Reduced
Panagora Asset Management Inc170,607$324.2K0.00%−859−0.5%Reduced
Jane Street Group, LLC178,002$338.2K0.00%+165,231+1,293.8%Added
Wellington Management Group LLP222,505$422.8K0.00%+222,505New
Propel Bio Management, LLC228,317$433.8K0.50%+228,317New
Goldman Sachs Group Inc233,522$443.7K0.00%−156,917−40.2%Reduced
Bank of New York Mellon Corp243,565$462.8K0.00%+5,590+2.3%Added
Charles Schwab Investment Management Inc297,880$566.0K0.00%+11,689+4.1%Added
Nuveen, LLC304,504$578.6K0.00%+304,504New
Renaissance Technologies LLC321,500$610.9K0.00%+42,900+15.4%Added
Macquarie Group Ltd340,772$647.5K0.00%+340,772New
Bank of America Corp383,503$728.7K0.00%+270,483+239.3%Added
Monashee Investment Management LLC448,164$851.5K0.10%00.0%Unchanged
Millennium Management LLC545,088$1.04M0.00%+511,231+1,510.0%Added
Baker Bros. Advisors LP547,498$1.04M0.01%−1,010,132−64.9%Reduced
Northern Trust Corp803,138$1.53M0.00%+1,913+0.2%Added
Morgan Stanley839,176$1.59M0.00%+460,624+121.7%Added
Silverarc Capital Management, LLC874,869$1.66M0.35%+874,869New
SG Americas Securities, LLC940,784$1.79M0.01%+545,767+138.2%Added
State Street Corp1,949,677$3.70M0.00%+46,669+2.5%Added
JPMorgan Chase & Co2,185,480$4.15M0.00%+1,913,152+702.5%Added
Geode Capital Management, LLC2,364,896$4.49M0.00%+30,725+1.3%Added
Blue Owl Capital Holdings LP2,954,712$5.61M1.81%00.0%Unchanged
Vivo Capital, LLC3,556,023$6.76M0.89%00.0%Unchanged
Adage Capital Partners GP, L.L.C.3,975,000$7.55M0.01%−2,019,810−33.7%Reduced
FMR LLC4,134,287$7.86M0.00%−2,116−0.1%Reduced