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 |
|---|---|---|---|---|---|
| Tang Capital Management LLC | 17,990,782 | $39.4M | 1.79% | +1,199,973+7.1% | Added |
| OrbiMed Advisors LLC | 15,219,994 | $33.3M | 0.63% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 14,101,159 | $30.9M | 0.65% | −206,220−1.4% | Reduced |
| BlackRock, Inc. | 11,281,781 | $24.7M | 0.00% | +1,775,701+18.7% | Added |
| State Street Corp | 9,953,653 | $21.8M | 0.00% | +3,258,677+48.7% | Added |
| Enavate Sciences GP, LLC | 7,788,150 | $17.1M | 4.94% | 00.0% | Unchanged |
| Vivo Capital, LLC | 7,757,060 | $17.0M | 1.55% | −1,788,406−18.7% | Reduced |
| Vanguard Capital Management LLC | 6,118,782 | $13.4M | 0.00% | +81,607+1.4% | Added |
| Palo Alto Investors LP | 5,831,813 | $12.8M | 1.76% | +4,317,309+285.1% | Added |
| Millennium Management LLC | 4,713,247 | $10.3M | 0.01% | +3,867,027+457.0% | Added |
| Geode Capital Management, LLC | 3,815,189 | $8.36M | 0.00% | +249,419+7.0% | Added |
| Vanguard Portfolio Management LLC | 3,771,032 | $8.26M | 0.00% | +2,688,381+248.3% | Added |
| Qube Research & Technologies Ltd | 3,687,489 | $8.08M | 0.01% | +1,137,133+44.6% | Added |
| Blue Owl Capital Holdings LP | 3,624,076 | $7.94M | 1.21% | +682,551+23.2% | Added |
| Citadel Advisors LLC | 3,570,674 | $7.82M | 0.00% | +2,849,264+395.0% | Added |
| Goldman Sachs Group Inc | 3,531,000 | $7.73M | 0.00% | +1,535,606+77.0% | Added |
| Rock Springs Capital Management LP | 3,524,929 | $7.72M | 0.38% | +219,621+6.6% | Added |
| AQR Capital Management LLC | 3,509,137 | $7.69M | 0.00% | +3,308,709+1,650.8% | Added |
| Birchview Capital, LP | 1,675,000 | $3.67M | 1.72% | +209,133+14.3% | Added |
| Kingdon Capital Management, L.L.C. | 1,400,000 | $3.07M | 0.41% | +1,400,000 | New |
| Fisher Asset Management, LLC | 1,391,890 | $3.05M | 0.00% | +43,631+3.2% | Added |
| Royce & Associates LP | 1,336,780 | $2.93M | 0.02% | −283,018−17.5% | Reduced |
| FMR LLC | 1,212,196 | $2.65M | 0.00% | −589,525−32.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,186,500 | $2.60M | 0.00% | −7,300,000−86.0% | Reduced |
| Acadian Asset Management LLC | 1,161,231 | $2.54M | 0.00% | +1,161,231 | New |
| Northern Trust Corp | 1,140,914 | $2.50M | 0.00% | +92,356+8.8% | Added |
| HealthInvest Partners AB | 1,048,593 | $2.30M | 0.62% | +1,006,762+2,406.7% | Added |
| Nuveen, LLC | 1,010,562 | $2.21M | 0.00% | +719,590+247.3% | Added |
| Squarepoint Ops LLC | 1,007,507 | $2.21M | 0.00% | +957,305+1,906.9% | Added |
| Vanguard Fiduciary Trust Co | 1,000,938 | $2.19M | 0.00% | +2,798+0.3% | Added |
| Blackstone Group Inc. | 899,936 | $1.97M | 0.01% | −957,912−51.6% | Reduced |
| First Trust Advisors LP | 807,004 | $1.77M | 0.00% | +807,004 | New |
| JPMorgan Chase & Co | 789,399 | $1.71M | 0.00% | −58,303−6.9% | Reduced |
| KVP Capital Advisors, LP | 771,000 | $1.69M | 1.24% | +271,000+54.2% | Added |
| Morgan Stanley | 735,186 | $1.61M | 0.00% | +374,814+104.0% | Added |
| Citigroup Inc | 713,907 | $1.56M | 0.00% | +115,669+19.3% | Added |
| UBS Group AG | 712,763 | $1.56M | 0.00% | −1,678,570−70.2% | Reduced |
| Burkehill Global Management, LP | 700,000 | $1.53M | 0.06% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 686,577 | $1.50M | 0.00% | +686,577 | New |
| Acuta Capital Partners, LLC | 595,213 | $1.30M | 0.91% | −253,863−29.9% | Reduced |
| Bank of America Corp | 566,919 | $1.24M | 0.00% | −298,694−34.5% | Reduced |
| CM Management, LLC | 550,000 | $1.20M | 0.77% | +550,000 | New |
| Dimensional Fund Advisors LP | 541,178 | $1.18M | 0.00% | +101,394+23.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 523,777 | $1.15M | 0.00% | +25,959+5.2% | Added |
| Alliancebernstein L.P. | 161,880 | $856.3K | 0.00% | +77,940+92.9% | Added |
| Artia Global Partners LP | 383,200 | $839.2K | 0.16% | +383,200 | New |
| Wellington Management Group LLP | 378,687 | $829.3K | 0.00% | +18,562+5.2% | Added |
| ArrowMark Colorado Holdings LLC | 364,742 | $798.8K | 0.03% | −150,051−29.1% | Reduced |
| Bank of New York Mellon Corp | 351,032 | $768.8K | 0.00% | +53,731+18.1% | Added |
| Marshall Wace, LLP | 334,869 | $733.4K | 0.00% | +334,869 | New |
| Two Sigma Investments, LP | 320,312 | $701.5K | 0.00% | +287,212+867.7% | Added |
| Susquehanna International Group, LLP | 308,295 | $675.2K | 0.00% | +151,270+96.3% | Added |
| Algert Global LLC | 308,110 | $674.8K | 0.01% | +271,330+737.7% | Added |
| Charles Schwab Investment Management Inc | 303,139 | $663.9K | 0.00% | −67,919−18.3% | Reduced |
| Natixis | 297,715 | $652.0K | 0.00% | +297,715 | New |
| Exome Asset Management LLC | 276,165 | $604.8K | 0.37% | +276,165 | New |
| Caption Management, LLC | 263,577 | $577.2K | 0.02% | +263,577 | 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 |
| Panagora Asset Management Inc | 222,179 | $486.6K | 0.00% | +222,179 | New |
| XTX Topco Ltd | 217,485 | $476.3K | 0.01% | +147,364+210.2% | Added |
| Brinker Capital Investments, LLC | 213,863 | $468.4K | 0.00% | +213,863 | New |
| D. E. Shaw & Co., Inc. | 204,487 | $447.8K | 0.00% | +138,520+210.0% | Added |
| Rafferty Asset Management, LLC | 190,126 | $416.4K | 0.00% | −5,741−2.9% | Reduced |
| Creative Planning | 182,841 | $400.4K | 0.00% | +76,650+72.2% | Added |
| Alps Advisors Inc | 182,777 | $400.3K | 0.00% | +36,170+24.7% | Added |
| UBS Asset Management Americas Inc | 177,814 | $389.4K | 0.00% | +38,172+27.3% | Added |
| Mariner, LLC | 172,821 | $378.4K | 0.00% | +172,821 | New |
| Swiss National Bank | 171,700 | $376.0K | 0.00% | −49,000−22.2% | Reduced |
| HRT Financial LP | 170,102 | $372.0K | 0.00% | +150,251+756.9% | Added |
| Virtus Investment Advisers, Inc. | 161,181 | $353.0K | 0.08% | +108,335+205.0% | Added |
| Canada Pension Plan Investment Board | 160,900 | $352.4K | 0.00% | +135,800+541.0% | Added |
| Rhumbline Advisers | 158,444 | $347.0K | 0.00% | +11,428+7.8% | Added |
| Deutsche Bank AG | 134,350 | $294.2K | 0.00% | +998+0.7% | Added |
| Ieq Capital, LLC | 122,948 | $269.3K | 0.00% | +122,948 | New |
| ADAR1 Capital Management, LLC | 122,132 | $267.5K | 0.01% | −16,868−12.1% | Reduced |
| Wells Fargo & Company | 109,793 | $240.4K | 0.00% | +62,053+130.0% | Added |
| Quadrature Capital Ltd | 108,250 | $237.1K | 0.00% | +94,405+681.9% | Added |
| Mercer Global Advisors Inc | 106,570 | $233.4K | 0.00% | +106,570 | New |
| Los Angeles Capital Management LLC | 105,113 | $230.2K | 0.00% | +105,113 | New |
| Price T Rowe Associates Inc | 104,251 | $229.0K | 0.00% | +4,729+4.8% | Added |
| Profund Advisors LLC | 95,209 | $208.5K | 0.01% | +7,528+8.6% | Added |
| Schonfeld Strategic Advisors LLC | 92,227 | $202.0K | 0.00% | −983,777−91.4% | Reduced |
| Tudor Investment Corp Et Al | 90,044 | $197.2K | 0.00% | +1,113+1.3% | Added |
| Wealth Enhancement Advisory Services, LLC | 83,567 | $194.7K | 0.00% | +83,567 | New |
| Jain Global LLC | 88,302 | $193.4K | 0.00% | +88,302 | New |
| SmartHarvest Portfolios, LLC | 86,508 | $189.5K | 0.06% | +51,795+149.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 82,459 | $179.9K | 0.00% | +8,375+11.3% | Added |
| Group One Trading, L.P. | 81,557 | $178.6K | 0.01% | +51,328+169.8% | Added |
| Cerity Partners LLC | 80,973 | $177.3K | 0.00% | +80,973 | New |
| 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 |
| SG Americas Securities, LLC | 76,355 | $167.0K | 0.00% | +28,685+60.2% | Added |
| Legal & General Group Plc | 75,103 | $164.5K | 0.00% | 00.0% | Unchanged |
| Vanguard Asset Management, Ltd | 74,689 | $163.6K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 71,421 | $156.4K | 0.00% | +7,216+11.2% | Added |
| Gsa Capital Partners LLP | 70,179 | $154.0K | 0.01% | +70,179 | New |
| Invesco Ltd. | 69,818 | $152.9K | 0.00% | −31,389−31.0% | Reduced |
| Manufacturers Life Insurance Company, The | 68,217 | $149.4K | 0.00% | +751+1.1% | Added |
| California State Teachers Retirement System | 67,713 | $148.3K | 0.00% | −44,603−39.7% | Reduced |