Compass TherapeuticsCMPX
13F holders, Q1 2026 (March 31)201holders +28
43new positions
18sold out
6famous investors
$5.31avg. 13F price*
At the end of Q1 2026, 201 institutions reported holding Compass Therapeutics Inc. (CMPX) in their 13F filings, up 28 from Q4 2025. 43 opened new positions and 18 sold out. The largest holders were Tang Capital Management LLC ($88.8M), Orbimed Advisors LLC ($80.5M) and Montanova Capital, LLC ($75.7M). 6 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio).
- Company
- Compass Therapeutics Inc.
- CUSIP
- 20454B104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 43 | $33.1M |
| Exits | 18 | $20.9M |
All 13F filers, Q4 2025 → Q1 2026: 28,358,650 shares bought and 19,533,957 shares sold, net +8,824,693 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 201 holders
| Tang Capital Management LLC | 4.51% | No change | 16,790,809 | $88.8M |
| Orbimed Advisors LLC | 1.82% | No change | 15,219,994 | $80.5M |
| Montanova Capital, LLC | 2.05% | Add +0.9% | 14,307,379 | $75.7M |
| Vivo Capital, LLC | 4.20% | No change | 9,545,466 | $50.5M |
| BlackRock, Inc. | 0.00% | Add +1.3% | 9,506,080 | $50.3M |
| Adage Capital Partners Gp, L.L.C. | 0.07% | Add +91.3% | 8,486,500 | $44.9M |
| Enavate Sciences Gp, LLC | 11.72% | No change | 7,788,150 | $41.2M |
| BVF Inc. | 1.31% | No change | 7,764,842 | $41.1M |
| State Street Corp. | 0.00% | Add +36.9% | 6,694,976 | $35.4M |
| Vanguard Capital Management LLC | 0.00% | — | 6,037,175 | $31.9M |
| RTW Investments, LP | 0.22% | Add +67.5% | 4,186,599 | $22.1M |
| Deerfield Management Company, L.P. | 0.27% | No change | 3,606,000 | $19.1M |
| Geode Capital Management, LLC | 0.00% | Add +1.8% | 3,565,770 | $18.9M |
| Rock Springs Capital Management LP | 1.03% | Reduce -15.8% | 3,305,308 | $17.5M |
| Logos Global Management LP | 0.86% | Add +173.9% | 3,150,000 | $16.7M |
| Blue Owl Capital Holdings LP | 4.21% | Reduce -15.1% | 2,941,525 | $15.6M |
| Qube Research & Technologies Ltd | 0.02% | Add +477.3% | 2,550,356 | $13.5M |
| UBS Group AG | 0.00% | Add +1324.6% | 2,391,333 | $12.7M |
| Sofinnova Investments, Inc. | 0.55% | Reduce -38.9% | 2,056,161 | $10.9M |
| Goldman Sachs Group Inc. | 0.00% | Add +31.5% | 1,995,394 | $10.6M |
| Braidwell LP | 0.40% | Reduce -29.5% | 1,965,106 | $10.4M |
| Blackstone Inc. | 0.04% | Reduce -69.7% | 1,857,848 | $9.8M |
| FMR LLC | 0.00% | Reduce -30.2% | 1,801,721 | $9.5M |
| Royce & Associates LP | 0.08% | Add +466.4% | 1,619,798 | $8.6M |
| Ameriprise Financial Inc. | 0.00% | Add +94.0% | 1,596,815 | $8.4M |
| Palo Alto Investors LP | 1.23% | Reduce -40.2% | 1,514,504 | $8.0M |
| Birchview Capital, LP | 4.41% | Reduce -8.0% | 1,465,867 | $7.8M |
| Great Point Partners LLC | 1.75% | New | 1,350,000 | $7.1M |
| Fisher Asset Management | 0.00% | New | 1,348,259 | $7.1M |
| Balyasny Asset Management L.P. | 0.01% | Reduce -29.8% | 1,119,090 | $5.9M |
| Vanguard Portfolio Management LLC | 0.00% | — | 1,082,651 | $5.7M |
| Schonfeld Strategic Advisors LLC | 0.05% | Add +137.8% | 1,076,004 | $5.7M |
| Northern Trust Corp. | 0.00% | Add +7.8% | 1,048,558 | $5.5M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 998,140 | $5.3M |
| Bank of America Corp. | 0.00% | Add +224.9% | 865,613 | $4.6M |
| Silverarc Capital Management, LLC | 0.54% | Reduce -18.3% | 859,049 | $4.5M |
| Acuta Capital Partners, LLC | 3.19% | Reduce -22.3% | 849,076 | $4.5M |
| NEXTBio Capital Management LP | 2.08% | Reduce -23.9% | 848,204 | $4.5M |
| Millennium Management | 0.00% | Reduce -72.8% | 846,220 | $4.5M |
| Y-Intercept (Hong Kong) Ltd | 0.08% | Add +79.3% | 828,879 | $4.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -2.6% | 847,702 | $4.3M |
| Barclays PLC | 0.00% | Add +32.8% | 790,041 | $4.2M |
| Citadel Advisors | 0.00% | Add +582.6% | 721,410 | $3.8M |
| Burkehill Global Management, LP | 0.19% | No change | 700,000 | $3.7M |
| Citigroup Inc. | 0.00% | Add +128.4% | 598,238 | $3.2M |
| Atle Fund Management AB | 0.99% | Reduce -92.8% | 41,831 | $3.1M |
| Seven Fleet Capital Management LP | 0.86% | Reduce -9.1% | 516,972 | $2.7M |
| ArrowMark Colorado Holdings LLC | 0.07% | New | 514,793 | $2.7M |
| KVP Capital Advisors, LP | 1.98% | New | 500,000 | $2.6M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +159.7% | 497,818 | $2.6M |
| Prudential Financial Inc. | 0.00% | Add +57.0% | 494,300 | $2.6M |
| Dimensional Fund Advisors LP | 0.00% | Add +28.7% | 439,784 | $2.3M |
| DV Trading LLC | 0.20% | Add +1649.8% | 423,566 | $2.2M |
| Trexquant Investment LP | 0.02% | New | 421,831 | $2.2M |
| Voya Investment Management LLC | 0.00% | Add +1558.6% | 375,320 | $2.0M |
| Jump Financial, LLC | 0.03% | New | 371,400 | $2.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -9.5% | 371,058 | $2.0M |
| Morgan Stanley | 0.00% | Reduce -1.3% | 360,372 | $1.9M |
| Wellington Management Group LLP | 0.00% | Add +13.7% | 360,125 | $1.9M |
| Atom Investors LP | 0.13% | Add +346.3% | 344,933 | $1.8M |
| Bank of New York Mellon Corp | 0.00% | Reduce -4.9% | 297,301 | $1.6M |
| Nuveen, LLC | 0.00% | Add +0.7% | 290,972 | $1.5M |
| Monashee Investment Management LLC | 0.88% | Reduce -74.1% | 258,865 | $1.4M |
| Swiss National Bank | 0.00% | New | 220,700 | $1.2M |
| AQR Capital Management | 0.00% | Add +29.1% | 200,428 | $1.1M |
| State of Wisconsin Investment Board | 0.00% | Add +8.0% | 200,279 | $1.1M |
| Rafferty Asset Management, LLC | 0.00% | Add +29.1% | 195,867 | $1.0M |
| Susquehanna International Group, LLP | 0.00% | Add +251.0% | 157,025 | $831K |
| Rhumbline Advisers | 0.00% | Add +9.2% | 147,016 | $778K |
| Alps Advisors Inc. | 0.00% | Add +0.4% | 146,607 | $776K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 139,642 | $739K |
| ADAR1 Capital Management, LLC | 0.04% | No change | 139,000 | $735K |
| Tema ETFs LLC | 0.05% | Add +38.0% | 138,276 | $731K |
| Tidal Investments LLC | 0.00% | New | 138,276 | $731K |
| Deutsche Bank AG | 0.00% | Add +22.0% | 133,352 | $705K |
| Raymond James Financial Inc. | 0.00% | Add +52.1% | 121,889 | $645K |
| Rhenman & Partners Asset Management AB | 0.08% | New | 115,113 | $609K |
| California State Teachers Retirement System | 0.00% | Add +1294.2% | 112,316 | $594K |
| Creative Planning | 0.00% | Reduce -1.8% | 106,191 | $562K |
| Invesco Ltd. | 0.00% | Add +58.4% | 101,207 | $535K |
| T. Rowe Price Associates Inc. | 0.00% | Add +41.2% | 99,522 | $527K |
| Vanguard Global Advisers, LLC | 0.00% | — | 94,918 | $502K |
| Tudor Investment Corporation | 0.00% | New | 88,931 | $470K |
| Profund Advisors LLC | 0.02% | Add +53.2% | 87,681 | $464K |
| Harvest Investment Services, LLC | 0.08% | New | 87,652 | $464K |
| Alliancebernstein L.P. | 0.00% | No change | 83,940 | $451K |
| Optimize Financial Inc. | 0.21% | New | 80,439 | $426K |
| American Century Companies Inc. | 0.00% | Add +93.8% | 78,328 | $414K |
| DRW Securities, LLC | 0.02% | New | 76,493 | $405K |
| Legal & General Group Plc | 0.00% | Add +488.9% | 75,103 | $397K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 74,689 | $395K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +6.5% | 74,084 | $389K |
| Aquatic Capital Management LLC | 0.01% | New | 73,338 | $388K |
| Persistent Asset Partners Ltd | 0.15% | Add +26.1% | 72,193 | $382K |
| Engineers Gate Manager LP | 0.00% | New | 71,753 | $380K |
| XTX Topco Ltd | 0.01% | Reduce -39.4% | 70,121 | $371K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +67.3% | 67,466 | $357K |
| Franklin Resources Inc. | 0.00% | No change | 66,607 | $352K |
| D. E. Shaw & Co. | 0.00% | Add +28.1% | 65,967 | $349K |
| MetLife Investment Management, LLC | 0.00% | Reduce -13.2% | 64,205 | $340K |
| Janus Henderson Group PLC | 0.00% | New | 55,600 | $294K |
| Virtus Investment Advisers, LLC | 0.08% | Add +2.5% | 52,846 | $280K |
| Squarepoint Ops LLC | 0.00% | Reduce -60.2% | 50,202 | $266K |
| Cinctive Capital Management LP | 0.02% | New | 48,740 | $258K |
| Wells Fargo & Company | 0.00% | Reduce -67.0% | 47,740 | $253K |
| SG Americas Securities, LLC | 0.00% | Reduce -55.3% | 47,670 | $252K |
| ExodusPoint Capital Management, LP | 0.00% | New | 44,030 | $233K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | New | 43,914 | $232K |
| Virtu Financial LLC | 0.01% | New | 43,066 | $228K |
| State of New Jersey Common Pension Fund D | 0.00% | New | 38,113 | $202K |
| Algert Global LLC | 0.00% | New | 36,780 | $195K |
| Landscape Capital Management, L.L.C. | 0.01% | New | 35,923 | $190K |
| BNP Paribas Financial Markets | 0.00% | Add +128.6% | 35,768 | $189K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 35,503 | $188K |
| LPL Financial LLC | 0.00% | Reduce -20.2% | 35,470 | $188K |
| SmartHarvest Portfolios, LLC | 0.08% | Reduce -0.0% | 34,713 | $184K |
| Vanguard Investments Australia, Ltd. | 0.00% | — | 33,422 | $177K |
| Two Sigma Investments, LP | 0.00% | New | 33,100 | $175K |
| Blair William & Co. | 0.00% | New | 30,760 | $163K |
| Jacobs Levy Equity Management, Inc. | 0.00% | New | 30,655 | $162K |
| Arizona State Retirement System | 0.00% | New | 30,632 | $162K |
| New York State Common Retirement Fund | 0.00% | No change | 30,407 | $161K |
| VARCOV Co. | 0.06% | New | 30,401 | $161K |
| Group One Trading LLC | 0.01% | Add +476.4% | 30,229 | $160K |
| PSP Research LLC | 0.11% | New | 30,000 | $159K |
| Intech Investment Management LLC | 0.00% | Reduce -23.5% | 29,803 | $158K |
| EntryPoint Capital, LLC | 0.05% | Add +122.3% | 29,265 | $155K |
| Simplicity Wealth,LLC | 0.01% | Reduce -16.3% | 28,350 | $150K |
| Stifel Financial Corp. | 0.00% | Add +14.7% | 27,497 | $145K |
| Simplex Trading, LLC | 0.00% | Add +190.1% | 25,851 | $137K |
| Canada Pension Plan Investment Board | 0.00% | Add +68.5% | 25,100 | $133K |
| Axq Capital, LP | 0.02% | Reduce -39.4% | 25,058 | $133K |
| Walleye Trading LLC | 0.00% | No change | 25,000 | $132K |
| E Fund Management Co., Ltd. | 0.00% | — | 24,622 | $130K |
| KLP Kapitalforvaltning As | 0.00% | New | 24,600 | $130K |
| Graham Capital Management, L.P. | 0.01% | Reduce -55.9% | 23,551 | $125K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +1269.4% | 23,252 | $123K |
| Independent Financial Group, LLC | 0.00% | No change | 22,779 | $121K |
| Captrust Financial Advisors | 0.00% | Add +4.0% | 21,676 | $115K |
| HRT Financial LP | 0.00% | New | 19,851 | $105K |
| Welch & Forbes LLC | 0.00% | No change | 19,000 | $101K |
| ProShare Advisors LLC | 0.00% | Reduce -22.0% | 18,703 | $99K |
| Ikarian Capital, LLC | 0.01% | Reduce -97.8% | 18,000 | $95K |
| Prelude Capital Management, LLC | 0.01% | Add +80.0% | 18,000 | $95K |
| Cygnus Capital Advisors, LLC | 0.06% | Add +80.0% | 18,000 | $95K |
| Independent Advisor Alliance | 0.00% | No change | 17,894 | $95K |
| Strategic Wealth Partners, Ltd. | 0.01% | Add +39.0% | 16,825 | $89K |
| Scientech Research LLC | 0.07% | New | 16,669 | $88K |
| Neuberger Berman Group LLC | 0.00% | Add +27.7% | 16,353 | $87K |
| Invst, LLC | 0.01% | New | 16,000 | $85K |
| Sequoia Financial Advisors, LLC | 0.00% | Reduce -2.3% | 15,535 | $82K |
| M&T Bank Corp | 0.00% | Add +1.0% | 15,043 | $80K |
| Osaic Holdings, Inc. | 0.00% | Add +25650.9% | 14,678 | $78K |
| Sig Brokerage, LP | 0.02% | Reduce -15.1% | 14,496 | $77K |
| Teacher Retirement System of Texas | 0.00% | New | 14,464 | $77K |
| Pictet Asset Management Holding SA | 0.00% | New | 14,432 | $76K |
| Focus Partners Wealth | 0.00% | Reduce -23.1% | 14,292 | $76K |
| Quadrature Capital Ltd | 0.00% | Add +12.6% | 13,845 | $73K |
| Victory Capital Management Inc. | 0.00% | Reduce -4.1% | 13,729 | $73K |
| Magnetar Financial LLC | 0.00% | New | 13,045 | $69K |
| North Star Investment Management Corp. | 0.00% | No change | 12,500 | $66K |
| Xponance LLC | 0.00% | Add +16.0% | 11,836 | $63K |
| PNC Financial Services Group, Inc. | 0.00% | Add +2572.6% | 11,038 | $58K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -5.7% | 10,900 | $58K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 10,621 | $56K |
| Abel Hall, LLC | 0.01% | Reduce -54.0% | 10,524 | $56K |
| Stonebrook Private Inc. | 0.01% | Add +1.3% | 10,365 | $55K |
| Brevan Howard Capital Management LP | 0.00% | Reduce -91.4% | 10,200 | $54K |
| Rockefeller Capital Management L.P. | 0.00% | Add +398.6% | 10,182 | $54K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +40.5% | 6,142 | $32K |
| MCF Advisors LLC | 0.00% | No change | 5,540 | $29K |
| Parallel Advisors, LLC | 0.00% | New | 5,250 | $28K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 5,248 | $28K |
| Cwm, LLC | 0.00% | Add +41.1% | 4,317 | $23K |
| VSM Wealth Advisory, LLC | 0.00% | No change | 3,000 | $16K |
| Sterling Capital Management LLC | 0.00% | Reduce -36.1% | 2,444 | $13K |
| Fortitude Family Office, LLC | 0.00% | Reduce -58.3% | 1,915 | $10K |
| Optiver Holding B.V. | 0.00% | Add +21.9% | 1,336 | $7K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +100.0% | 1,000 | $5K |
| Quantbot Technologies LP | 0.00% | New | 720 | $4K |
| Caitong International Asset Management Co., Ltd | 0.00% | Reduce -97.1% | 719 | $4K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -3.7% | 655 | $4K |
| MAI Capital Management | 0.00% | Add +2458.3% | 614 | $3K |
| Allworth Financial LP | 0.00% | Add +2860.0% | 592 | $3K |
| Quadrant Capital Group LLC | 0.00% | No change | 405 | $2K |
| Rothschild Investment LLC | 0.00% | Add +70.1% | 279 | $1K |
| National Bank of Canada | 0.00% | Reduce -2.9% | 235 | $1K |
| GAMMA Investing LLC | 0.00% | Add +672.4% | 224 | $1K |
| Marshall & Sterling Wealth Advisors Inc. | 0.00% | No change | 200 | $1K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -22.4% | 184 | $973 |
| US Bancorp \de | 0.00% | New | 77 | $407 |
| Smartleaf Asset Management LLC | 0.00% | No change | 69 | $352 |
| SJS Investment Consulting Inc. | 0.00% | No change | 27 | $143 |
| Larson Financial Group LLC | 0.00% | New | 23 | $122 |
| Stone House Investment Management, LLC | 0.00% | New | 15 | $79 |
| Essential Partners LLC | 0.00% | No change | 9 | $48 |
| Sunbelt Securities, Inc. | 0.00% | No change | 8 | $42 |
| IFP Advisors, Inc | 0.00% | No change | 6 | $32 |
| Hughes Financial Services, LLC | 0.00% | Add +200.0% | 3 | $16 |
| Basecamp Wealth Advisors LLC | 0.00% | New | 1 | $5 |
| Royal Bank of Canada | 0.00% | Reduce -99.8% | 6 | $0 |
"% of holder's portfolio" is CMPX's weight in each manager's 13F, not the share of Compass Therapeutics Inc. the manager owns.