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, Q2 2026
Institutional positions in Compass Therapeutics, Inc. as of Jun 30, 2026. 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
- 215
- +17 vs. Q1 2026
- Shares held
- 165.7M
- −7.90M (−4.6%) vs. Q1 2026
- Total value
- $363.4M
- −$557.7M (−60.5%) vs. Q1 2026
- New holders
- 64
- 86 more added
- Sold out
- 47
- 44 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 215 | $363.4M |
| Q1 2026 | 201 | $921.3M |
| Q4 2025 | 173 | $881.5M |
| Q3 2025 | 125 | $535.7M |
| Q2 2025 | 103 | $281.9M |
| Q1 2025 | 108 | $206.1M |
| Q4 2024 | 92 | $147.0M |
| Q3 2024 | 79 | $169.7M |
| Q2 2024 | 82 | $93.5M |
| Q1 2024 | 78 | $187.9M |
| Q4 2023 | 77 | $134.8M |
| Q3 2023 | 76 | $176.7M |
| Q2 2023 | 73 | $287.7M |
| Q1 2023 | 73 | $285.1M |
| Q4 2022 | 55 | $401.4M |
| Q3 2022 | 38 | $153.7M |
| Q2 2022 | 34 | $163.9M |
| Q1 2022 | 34 | $85.4M |
| Q4 2021 | 37 | $201.6M |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Compass Therapeutics, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Advisor Group Holdings, Inc. | 41,965 | $91.9K | 0.00% | +27,287+185.9% | Added |
| Axq Capital, LP | 42,118 | $92.2K | 0.01% | +17,060+68.1% | Added |
| State of Wisconsin Investment Board | 43,579 | $95.4K | 0.00% | −156,700−78.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 43,914 | $96.2K | 0.00% | 00.0% | Unchanged |
| Sequoia Financial Advisors, LLC | 44,980 | $98.5K | 0.00% | +29,445+189.5% | Added |
| Barclays PLC | 50,397 | $110.4K | 0.00% | −739,644−93.6% | Reduced |
| Russell Investments Group, Ltd. | 50,505 | $110.6K | 0.00% | +39,605+363.3% | Added |
| Colony Group, LLC | 53,121 | $116.3K | 0.00% | +38,829+271.7% | Added |
| Jupiter Topco LLC | 55,600 | $121.5K | 0.00% | +55,600 | New |
| Simplex Trading, LLC | 57,790 | $126.6K | 0.00% | +31,939+123.6% | Added |
| Jane Street Group, LLC | 59,955 | $131.3K | 0.00% | +59,955 | New |
| Quantbot Technologies LP | 60,826 | $133.2K | 0.01% | +60,106+8,348.1% | Added |
| Wealthcare Advisory Partners LLC | 60,962 | $133.5K | 0.00% | +60,962 | New |
| Vanguard Global Advisers, LLC | 61,158 | $133.9K | 0.00% | −33,760−35.6% | Reduced |
| ExodusPoint Capital Management, LP | 67,478 | $147.8K | 0.00% | +23,448+53.3% | Added |
| California State Teachers Retirement System | 67,713 | $148.3K | 0.00% | −44,603−39.7% | Reduced |
| Manufacturers Life Insurance Company, The | 68,217 | $149.4K | 0.00% | +751+1.1% | Added |
| Invesco Ltd. | 69,818 | $152.9K | 0.00% | −31,389−31.0% | Reduced |
| Gsa Capital Partners LLP | 70,179 | $154.0K | 0.01% | +70,179 | New |
| MetLife Investment Management | 71,421 | $156.4K | 0.00% | +7,216+11.2% | Added |
| Vanguard Asset Management, Ltd | 74,689 | $163.6K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 75,103 | $164.5K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 76,355 | $167.0K | 0.00% | +28,685+60.2% | Added |
| Optimize Financial Inc | 80,160 | $175.6K | 0.06% | −279−0.3% | Reduced |
| Sound Capital Solutions LLC | 80,160 | $175.6K | 0.04% | +80,160 | New |
| Cerity Partners LLC | 80,973 | $177.3K | 0.00% | +80,973 | New |
| Group One Trading, L.P. | 81,557 | $178.6K | 0.01% | +51,328+169.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 82,459 | $179.9K | 0.00% | +8,375+11.3% | Added |
| SmartHarvest Portfolios, LLC | 86,508 | $189.5K | 0.06% | +51,795+149.2% | Added |
| Jain Global LLC | 88,302 | $193.4K | 0.00% | +88,302 | New |
| Wealth Enhancement Advisory Services, LLC | 83,567 | $194.7K | 0.00% | +83,567 | New |
| Tudor Investment Corp Et Al | 90,044 | $197.2K | 0.00% | +1,113+1.3% | Added |
| Schonfeld Strategic Advisors LLC | 92,227 | $202.0K | 0.00% | −983,777−91.4% | Reduced |
| Profund Advisors LLC | 95,209 | $208.5K | 0.01% | +7,528+8.6% | Added |
| Price T Rowe Associates Inc | 104,251 | $229.0K | 0.00% | +4,729+4.8% | Added |
| Los Angeles Capital Management LLC | 105,113 | $230.2K | 0.00% | +105,113 | New |
| Mercer Global Advisors Inc | 106,570 | $233.4K | 0.00% | +106,570 | New |
| Quadrature Capital Ltd | 108,250 | $237.1K | 0.00% | +94,405+681.9% | Added |
| Wells Fargo & Company | 109,793 | $240.4K | 0.00% | +62,053+130.0% | Added |
| ADAR1 Capital Management, LLC | 122,132 | $267.5K | 0.01% | −16,868−12.1% | Reduced |
| Ieq Capital, LLC | 122,948 | $269.3K | 0.00% | +122,948 | New |
| Deutsche Bank AG | 134,350 | $294.2K | 0.00% | +998+0.7% | Added |
| Rhumbline Advisers | 158,444 | $347.0K | 0.00% | +11,428+7.8% | Added |
| Canada Pension Plan Investment Board | 160,900 | $352.4K | 0.00% | +135,800+541.0% | Added |
| Virtus Investment Advisers, Inc. | 161,181 | $353.0K | 0.08% | +108,335+205.0% | Added |
| HRT Financial LP | 170,102 | $372.0K | 0.00% | +150,251+756.9% | Added |
| Swiss National Bank | 171,700 | $376.0K | 0.00% | −49,000−22.2% | Reduced |
| Mariner, LLC | 172,821 | $378.4K | 0.00% | +172,821 | New |
| UBS Asset Management Americas Inc | 177,814 | $389.4K | 0.00% | +38,172+27.3% | Added |
| Alps Advisors Inc | 182,777 | $400.3K | 0.00% | +36,170+24.7% | Added |
| Creative Planning | 182,841 | $400.4K | 0.00% | +76,650+72.2% | Added |
| Rafferty Asset Management, LLC | 190,126 | $416.4K | 0.00% | −5,741−2.9% | Reduced |
| D. E. Shaw & Co., Inc. | 204,487 | $447.8K | 0.00% | +138,520+210.0% | Added |
| Brinker Capital Investments, LLC | 213,863 | $468.4K | 0.00% | +213,863 | New |
| XTX Topco Ltd | 217,485 | $476.3K | 0.01% | +147,364+210.2% | Added |
| Panagora Asset Management Inc | 222,179 | $486.6K | 0.00% | +222,179 | New |
| Seven Fleet Capital Management LP | 233,066 | $510.4K | 0.08% | −707,472−75.2% | Reduced |
| DV Equities, LLC | 233,066 | $510.4K | 0.07% | +233,066 | New |
| Caption Management, LLC | 263,577 | $577.2K | 0.02% | +263,577 | New |
| Exome Asset Management LLC | 276,165 | $604.8K | 0.37% | +276,165 | New |
| Natixis | 297,715 | $652.0K | 0.00% | +297,715 | New |
| Charles Schwab Investment Management Inc | 303,139 | $663.9K | 0.00% | −67,919−18.3% | Reduced |
| Algert Global LLC | 308,110 | $674.8K | 0.01% | +271,330+737.7% | Added |
| Susquehanna International Group, LLP | 308,295 | $675.2K | 0.00% | +151,270+96.3% | Added |
| Two Sigma Investments, LP | 320,312 | $701.5K | 0.00% | +287,212+867.7% | Added |
| Marshall Wace, LLP | 334,869 | $733.4K | 0.00% | +334,869 | New |
| Bank of New York Mellon Corp | 351,032 | $768.8K | 0.00% | +53,731+18.1% | Added |
| ArrowMark Colorado Holdings LLC | 364,742 | $798.8K | 0.03% | −150,051−29.1% | Reduced |
| Wellington Management Group LLP | 378,687 | $829.3K | 0.00% | +18,562+5.2% | Added |
| Artia Global Partners LP | 383,200 | $839.2K | 0.16% | +383,200 | New |
| Alliancebernstein L.P. | 161,880 | $856.3K | 0.00% | +77,940+92.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 523,777 | $1.15M | 0.00% | +25,959+5.2% | Added |
| Dimensional Fund Advisors LP | 541,178 | $1.18M | 0.00% | +101,394+23.1% | Added |
| CM Management, LLC | 550,000 | $1.20M | 0.77% | +550,000 | New |
| Bank of America Corp | 566,919 | $1.24M | 0.00% | −298,694−34.5% | Reduced |
| Acuta Capital Partners, LLC | 595,213 | $1.30M | 0.91% | −253,863−29.9% | Reduced |
| Point72 Asset Management, L.P. | 686,577 | $1.50M | 0.00% | +686,577 | New |
| Burkehill Global Management, LP | 700,000 | $1.53M | 0.06% | 00.0% | Unchanged |
| UBS Group AG | 712,763 | $1.56M | 0.00% | −1,678,570−70.2% | Reduced |
| Citigroup Inc | 713,907 | $1.56M | 0.00% | +115,669+19.3% | Added |
| Morgan Stanley | 735,186 | $1.61M | 0.00% | +374,814+104.0% | Added |
| KVP Capital Advisors, LP | 771,000 | $1.69M | 1.24% | +271,000+54.2% | Added |
| JPMorgan Chase & Co | 789,399 | $1.71M | 0.00% | −58,303−6.9% | Reduced |
| First Trust Advisors LP | 807,004 | $1.77M | 0.00% | +807,004 | New |
| Blackstone Group Inc. | 899,936 | $1.97M | 0.01% | −957,912−51.6% | Reduced |
| Vanguard Fiduciary Trust Co | 1,000,938 | $2.19M | 0.00% | +2,798+0.3% | Added |
| Squarepoint Ops LLC | 1,007,507 | $2.21M | 0.00% | +957,305+1,906.9% | Added |
| Nuveen, LLC | 1,010,562 | $2.21M | 0.00% | +719,590+247.3% | Added |
| HealthInvest Partners AB | 1,048,593 | $2.30M | 0.62% | +1,006,762+2,406.7% | Added |
| Northern Trust Corp | 1,140,914 | $2.50M | 0.00% | +92,356+8.8% | Added |
| Acadian Asset Management LLC | 1,161,231 | $2.54M | 0.00% | +1,161,231 | New |
| Adage Capital Partners GP, L.L.C. | 1,186,500 | $2.60M | 0.00% | −7,300,000−86.0% | Reduced |
| FMR LLC | 1,212,196 | $2.65M | 0.00% | −589,525−32.7% | Reduced |
| Royce & Associates LP | 1,336,780 | $2.93M | 0.02% | −283,018−17.5% | Reduced |
| Fisher Asset Management, LLC | 1,391,890 | $3.05M | 0.00% | +43,631+3.2% | Added |
| Kingdon Capital Management, L.L.C. | 1,400,000 | $3.07M | 0.41% | +1,400,000 | New |
| Birchview Capital, LP | 1,675,000 | $3.67M | 1.72% | +209,133+14.3% | Added |
| AQR Capital Management LLC | 3,509,137 | $7.69M | 0.00% | +3,308,709+1,650.8% | Added |
| Rock Springs Capital Management LP | 3,524,929 | $7.72M | 0.38% | +219,621+6.6% | Added |
| Goldman Sachs Group Inc | 3,531,000 | $7.73M | 0.00% | +1,535,606+77.0% | Added |