Compass TherapeuticsCMPX
13F holders, Q2 2026 (June 30)215holders +14
61new positions
47sold out
7famous investors
$2.19avg. 13F price*
At the end of Q2 2026, 215 institutions reported holding Compass Therapeutics Inc. (CMPX) in their 13F filings, up 14 from Q1 2026. 61 opened new positions and 47 sold out. The largest holders were Tang Capital Management LLC ($39.4M), Orbimed Advisors LLC ($33.3M) and Montanova Capital, LLC ($30.9M). 7 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Compass Therapeutics Inc.
- CUSIP
- 20454B104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 61 | $17.6M |
| Exits | 47 | $171.6M |
All 13F filers, Q1 2026 → Q2 2026: 41,546,589 shares bought and 49,393,296 shares sold, net −7,846,707 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 215 holders
| Tang Capital Management LLC | 1.80% | Add +7.2% | 17,990,782 | $39.4M |
| Orbimed Advisors LLC | 0.63% | No change | 15,219,994 | $33.3M |
| Montanova Capital, LLC | 0.65% | Reduce -1.4% | 14,101,159 | $30.9M |
| BlackRock, Inc. | 0.00% | Add +18.7% | 11,281,781 | $24.7M |
| State Street Corp. | 0.00% | Add +48.7% | 9,953,653 | $21.8M |
| Enavate Sciences Gp, LLC | 4.94% | No change | 7,788,150 | $17.1M |
| Vivo Capital, LLC | 1.55% | Reduce -18.7% | 7,757,060 | $17.0M |
| Vanguard Capital Management LLC | 0.00% | Add +1.4% | 6,118,782 | $13.4M |
| Palo Alto Investors LP | 1.76% | Add +285.1% | 5,831,813 | $12.8M |
| Millennium Management | 0.01% | Add +457.0% | 4,713,247 | $10.3M |
| Geode Capital Management, LLC | 0.00% | Add +7.0% | 3,815,189 | $8.4M |
| Vanguard Portfolio Management LLC | 0.00% | Add +248.3% | 3,771,032 | $8.3M |
| Qube Research & Technologies Ltd | 0.01% | Add +44.6% | 3,687,489 | $8.1M |
| Blue Owl Capital Holdings LP | 1.21% | Add +23.2% | 3,624,076 | $7.9M |
| Citadel Advisors | 0.00% | Add +395.0% | 3,570,674 | $7.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +77.0% | 3,531,000 | $7.7M |
| Rock Springs Capital Management LP | 0.38% | Add +6.6% | 3,524,929 | $7.7M |
| AQR Capital Management | 0.00% | Add +1650.8% | 3,509,137 | $7.7M |
| Birchview Capital, LP | 1.72% | Add +14.3% | 1,675,000 | $3.7M |
| Kingdon Capital Management, L.L.C. | 0.41% | New | 1,400,000 | $3.1M |
| Fisher Asset Management | 0.00% | Add +3.2% | 1,391,890 | $3.0M |
| Royce & Associates LP | 0.02% | Reduce -17.5% | 1,336,780 | $2.9M |
| FMR LLC | 0.00% | Reduce -32.7% | 1,212,196 | $2.7M |
| Adage Capital Partners Gp, L.L.C. | 0.00% | Reduce -86.0% | 1,186,500 | $2.6M |
| Acadian Asset Management LLC | 0.00% | New | 1,161,231 | $2.5M |
| Northern Trust Corp. | 0.00% | Add +8.8% | 1,140,914 | $2.5M |
| Atle Fund Management AB | 0.62% | Add +2406.7% | 1,048,593 | $2.3M |
| Nuveen, LLC | 0.00% | Add +247.3% | 1,010,562 | $2.2M |
| Squarepoint Ops LLC | 0.00% | Add +1906.9% | 1,007,507 | $2.2M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +0.3% | 1,000,938 | $2.2M |
| Blackstone Inc. | 0.01% | Reduce -51.6% | 899,936 | $2.0M |
| First Trust Advisors LP | 0.00% | New | 807,004 | $1.8M |
| JPMorgan Chase & Co. | 0.00% | Reduce -6.9% | 789,399 | $1.7M |
| KVP Capital Advisors, LP | 1.24% | Add +54.2% | 771,000 | $1.7M |
| Morgan Stanley | 0.00% | Add +104.0% | 735,186 | $1.6M |
| Citigroup Inc. | 0.00% | Add +19.3% | 713,907 | $1.6M |
| UBS Group AG | 0.00% | Reduce -70.2% | 712,763 | $1.6M |
| Burkehill Global Management, LP | 0.06% | No change | 700,000 | $1.5M |
| Point72 Asset Management | 0.00% | New | 686,577 | $1.5M |
| Acuta Capital Partners, LLC | 0.91% | Reduce -29.9% | 595,213 | $1.3M |
| Bank of America Corp. | 0.00% | Reduce -34.5% | 566,919 | $1.2M |
| CM Management, LLC | 0.77% | New | 550,000 | $1.2M |
| Dimensional Fund Advisors LP | 0.00% | Add +23.1% | 541,178 | $1.2M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Add +5.2% | 523,777 | $1.1M |
| Alliancebernstein L.P. | 0.00% | Add +92.8% | 161,880 | $856K |
| Artia Global Partners LP | 0.16% | New | 383,200 | $839K |
| Wellington Management Group LLP | 0.00% | Add +5.2% | 378,687 | $829K |
| ArrowMark Colorado Holdings LLC | 0.03% | Reduce -29.1% | 364,742 | $799K |
| Bank of New York Mellon Corp | 0.00% | Add +18.1% | 351,032 | $769K |
| Marshall Wace, LLP | 0.00% | New | 334,869 | $733K |
| Two Sigma Investments, LP | 0.00% | Add +867.7% | 320,312 | $701K |
| Susquehanna International Group, LLP | 0.00% | Add +96.3% | 308,295 | $675K |
| Algert Global LLC | 0.01% | Add +737.7% | 308,110 | $675K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -18.3% | 303,139 | $664K |
| Natixis | 0.00% | New | 297,715 | $652K |
| Exome Asset Management LLC | 0.37% | New | 276,165 | $605K |
| Caption Management, LLC | 0.02% | New | 263,577 | $577K |
| Seven Fleet Capital Management LP | 0.08% | Reduce -54.9% | 233,066 | $510K |
| DV Equities, LLC | 0.07% | — | 233,066 | $510K |
| Panagora Asset Management Inc. | 0.00% | New | 222,179 | $487K |
| XTX Topco Ltd | 0.01% | Add +210.2% | 217,485 | $476K |
| Orion Porfolio Solutions, LLC | 0.00% | New | 213,863 | $468K |
| D. E. Shaw & Co. | 0.00% | Add +210.0% | 204,487 | $448K |
| Rafferty Asset Management, LLC | 0.00% | Reduce -2.9% | 190,126 | $416K |
| Creative Planning | 0.00% | Add +72.2% | 182,841 | $400K |
| Alps Advisors Inc. | 0.00% | Add +24.7% | 182,777 | $400K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +27.3% | 177,814 | $389K |
| Mariner, LLC | 0.00% | New | 172,821 | $378K |
| Swiss National Bank | 0.00% | Reduce -22.2% | 171,700 | $376K |
| HRT Financial LP | 0.00% | Add +756.9% | 170,102 | $372K |
| Virtus Investment Advisers, LLC | 0.08% | Add +205.0% | 161,181 | $353K |
| Canada Pension Plan Investment Board | 0.00% | Add +541.0% | 160,900 | $352K |
| Rhumbline Advisers | 0.00% | Add +7.8% | 158,444 | $347K |
| Deutsche Bank AG | 0.00% | Add +0.8% | 134,350 | $294K |
| Ieq Capital, LLC | 0.00% | New | 122,948 | $269K |
| ADAR1 Capital Management, LLC | 0.01% | Reduce -12.1% | 122,132 | $267K |
| Wells Fargo & Company | 0.00% | Add +130.0% | 109,793 | $240K |
| Quadrature Capital Ltd | 0.00% | Add +681.9% | 108,250 | $237K |
| Mercer Global Advisors Inc. | 0.00% | New | 106,570 | $233K |
| Los Angeles Capital Management LLC | 0.00% | New | 105,113 | $230K |
| T. Rowe Price Associates Inc. | 0.00% | Add +4.8% | 104,251 | $229K |
| Profund Advisors LLC | 0.01% | Add +8.6% | 95,209 | $209K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -91.4% | 92,227 | $202K |
| Tudor Investment Corporation | 0.00% | Add +1.3% | 90,044 | $197K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 83,567 | $195K |
| Jain Global LLC | 0.00% | New | 88,302 | $193K |
| SmartHarvest Portfolios, LLC | 0.06% | Add +149.2% | 86,508 | $189K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +11.3% | 82,459 | $180K |
| Group One Trading LLC | 0.01% | Add +169.8% | 81,557 | $179K |
| Cerity Partners LLC | 0.00% | New | 80,973 | $177K |
| Optimize Financial Inc. | 0.06% | Reduce -0.3% | 80,160 | $176K |
| Sound Capital Solutions LLC | 0.04% | — | 80,160 | $176K |
| SG Americas Securities, LLC | 0.00% | Add +60.2% | 76,355 | $167K |
| Legal & General Group Plc | 0.00% | No change | 75,103 | $164K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | No change | 74,689 | $164K |
| MetLife Investment Management, LLC | 0.00% | Add +11.2% | 71,421 | $156K |
| Gsa Capital Partners LLP | 0.01% | New | 70,179 | $154K |
| Invesco Ltd. | 0.00% | Reduce -31.0% | 69,818 | $153K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +1.1% | 68,217 | $149K |
| California State Teachers Retirement System | 0.00% | Reduce -39.7% | 67,713 | $148K |
"% of holder's portfolio" is CMPX's weight in each manager's 13F, not the share of Compass Therapeutics Inc. the manager owns.