Compass TherapeuticsCMPX
13F holders, Q3 2025 (September 30)125holders +22
32new positions
10sold out
4famous investors
$3.50avg. 13F price*
At the end of Q3 2025, 125 institutions reported holding Compass Therapeutics Inc. (CMPX) in their 13F filings, up 22 from Q2 2025. 32 opened new positions and 10 sold out. The largest holders were Tang Capital Management LLC ($58.8M), Orbimed Advisors LLC ($53.3M) and Montanova Capital, LLC ($49.4M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Compass Therapeutics Inc.
- CUSIP
- 20454B104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 32 | $62.3M |
| Exits | 10 | $442K |
All 13F filers, Q2 2025 → Q3 2025: 45,742,207 shares bought and 2,941,680 shares sold, net +42,800,527 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 125 holders
| Tang Capital Management LLC | 2.27% | Add +24.6% | 16,811,963 | $58.8M |
| Orbimed Advisors LLC | 1.28% | No change | 15,219,994 | $53.3M |
| Montanova Capital, LLC | 1.50% | Add +97.2% | 14,101,159 | $49.4M |
| Blackstone Inc. | 0.15% | Reduce -1.9% | 9,840,108 | $34.4M |
| Vivo Capital, LLC | 2.69% | Add +58.0% | 9,545,466 | $33.4M |
| Enavate Sciences Gp, LLC | 8.32% | No change | 7,788,150 | $27.3M |
| BlackRock, Inc. | 0.00% | Add +14.9% | 7,370,747 | $25.8M |
| Vanguard Group Inc. | 0.00% | Add +45.6% | 7,062,799 | $24.7M |
| Adage Capital Partners Gp, L.L.C. | 0.03% | Add +17.2% | 5,186,500 | $18.2M |
| MPM Bioimpact LLC | 2.91% | Reduce -9.7% | 5,075,970 | $17.8M |
| BVF Inc. | 0.67% | New | 4,750,000 | $16.6M |
| Rock Springs Capital Management LP | 0.92% | Reduce -9.8% | 4,474,702 | $15.7M |
| FMR LLC | 0.00% | Add +0.1% | 4,137,562 | $14.5M |
| Millennium Management | 0.01% | Add +280.4% | 3,237,572 | $11.3M |
| State Street Corp. | 0.00% | Add +57.6% | 3,106,513 | $10.9M |
| Geode Capital Management, LLC | 0.00% | Add +27.0% | 2,944,469 | $10.3M |
| Silverarc Capital Management, LLC | 1.44% | Add +126.8% | 2,833,988 | $9.9M |
| Balyasny Asset Management L.P. | 0.02% | New | 2,826,362 | $9.9M |
| Blue Owl Capital Holdings LP | 2.84% | No change | 2,591,525 | $9.1M |
| RTW Investments, LP | 0.11% | New | 2,500,000 | $8.8M |
| Logos Global Management LP | 0.71% | New | 2,050,000 | $7.2M |
| Sofinnova Investments, Inc. | 0.44% | New | 2,028,886 | $7.1M |
| JPMorgan Chase & Co. | 0.00% | Reduce -6.0% | 1,999,278 | $7.0M |
| Royal Bank of Canada | 0.00% | Add +1025.4% | 1,700,927 | $6.0M |
| Monashee Investment Management LLC | 2.26% | Add +657.6% | 1,250,000 | $4.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +793.6% | 1,039,671 | $3.6M |
| DAFNA Capital Management LLC | 0.83% | Add +79.8% | 946,661 | $3.3M |
| Birchview Capital, LP | 2.31% | New | 872,938 | $3.1M |
| Northern Trust Corp. | 0.00% | Add +17.3% | 861,935 | $3.0M |
| Acuta Capital Partners, LLC | 3.04% | New | 840,090 | $2.9M |
| Burkehill Global Management, LP | 0.14% | New | 700,000 | $2.5M |
| Schonfeld Strategic Advisors LLC | 0.01% | New | 476,291 | $1.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +22.6% | 335,250 | $1.2M |
| Wellington Management Group LLP | 0.00% | Reduce -8.6% | 318,124 | $1.1M |
| Nuveen, LLC | 0.00% | No change | 259,211 | $907K |
| Citadel Advisors | 0.00% | New | 233,271 | $816K |
| Bank of New York Mellon Corp | 0.00% | Add +5.7% | 223,176 | $781K |
| Barclays PLC | 0.00% | Reduce -8.0% | 222,418 | $778K |
| UBS Group AG | 0.00% | Reduce -24.8% | 198,271 | $694K |
| Morgan Stanley | 0.00% | Reduce -24.8% | 186,952 | $654K |
| Dimensional Fund Advisors LP | 0.00% | Add +1.9% | 175,556 | $619K |
| Caption Management, LLC | 0.03% | Reduce -78.8% | 154,170 | $540K |
| CM Management, LLC | 0.44% | New | 150,000 | $525K |
| SG Americas Securities, LLC | 0.00% | Reduce -59.9% | 149,313 | $523K |
| Rhumbline Advisers | 0.00% | Add +22.8% | 139,313 | $488K |
| Atom Investors LP | 0.03% | New | 106,674 | $373K |
| Alliancebernstein L.P. | 0.00% | Reduce -10.7% | 104,160 | $365K |
| Deutsche Bank AG | 0.00% | Add +14.2% | 95,785 | $335K |
| Squarepoint Ops LLC | 0.00% | Add +322.9% | 87,853 | $307K |
| Alps Advisors Inc. | 0.00% | Add +11.3% | 83,007 | $291K |
| Cantor Fitzgerald, L. P. | 0.01% | Reduce -20.0% | 80,000 | $280K |
| Renaissance Technologies | 0.00% | Reduce -64.8% | 79,000 | $277K |
| Bank of America Corp. | 0.00% | Add +126.7% | 73,801 | $258K |
| Rafferty Asset Management, LLC | 0.00% | New | 70,959 | $248K |
| Wells Fargo & Company | 0.00% | Add +29.3% | 68,173 | $239K |
| Creative Planning | 0.00% | Add +430.5% | 60,927 | $213K |
| Invesco Ltd. | 0.00% | Add +3.3% | 60,656 | $212K |
| AQR Capital Management | 0.00% | Add +22.1% | 59,148 | $207K |
| MetLife Investment Management, LLC | 0.00% | Reduce -1.0% | 58,347 | $204K |
| T. Rowe Price Associates Inc. | 0.00% | Add +20.6% | 56,588 | $199K |
| Caxton Corp. | 0.82% | Add +23.1% | 53,503 | $187K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -0.6% | 49,850 | $176K |
| ADAR1 Capital Management, LLC | 0.02% | Add +100.0% | 50,000 | $175K |
| Quadrature Capital Ltd | 0.00% | New | 47,427 | $166K |
| Brevan Howard Capital Management LP | 0.00% | New | 45,877 | $161K |
| LPL Financial LLC | 0.00% | No change | 42,470 | $149K |
| State of Wisconsin Investment Board | 0.00% | New | 41,400 | $145K |
| Intech Investment Management LLC | 0.00% | Reduce -12.0% | 38,936 | $136K |
| Simplicity Wealth,LLC | 0.01% | Reduce -56.2% | 37,034 | $130K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -6.7% | 33,161 | $116K |
| Jane Street Group, LLC | 0.00% | Reduce -58.1% | 31,679 | $111K |
| New York State Common Retirement Fund | 0.00% | No change | 30,407 | $106K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +23.5% | 28,331 | $99K |
| Sig Brokerage, LP | 0.02% | Reduce -27.6% | 26,365 | $92K |
| Walleye Trading LLC | 0.00% | No change | 25,000 | $88K |
| Captrust Financial Advisors | 0.00% | Add +1.0% | 20,524 | $72K |
| Susquehanna International Group, LLP | 0.00% | Reduce -84.3% | 19,960 | $70K |
| BNP Paribas Financial Markets | 0.00% | Add +105.8% | 19,523 | $68K |
| STRS Ohio | 0.00% | No change | 17,900 | $63K |
| Independent Advisor Alliance | 0.00% | Reduce -2.9% | 17,894 | $63K |
| Voya Investment Management LLC | 0.00% | Reduce -36.6% | 17,214 | $60K |
| ProShare Advisors LLC | 0.00% | Reduce -9.5% | 17,004 | $60K |
| XTX Topco Ltd | 0.00% | Reduce -47.7% | 16,950 | $59K |
| Profund Advisors LLC | 0.00% | New | 16,468 | $58K |
| Focus Partners Wealth | 0.00% | Add +16.2% | 15,805 | $56K |
| Sequoia Financial Advisors, LLC | 0.00% | Reduce -4.4% | 15,753 | $55K |
| Welch & Forbes LLC | 0.00% | New | 15,000 | $53K |
| Rovin Capital /Ut/ | 0.01% | No change | 13,495 | $47K |
| Victory Capital Management Inc. | 0.00% | Add +20.6% | 12,652 | $44K |
| Virtu Financial LLC | 0.00% | New | 12,681 | $44K |
| North Star Investment Management Corp. | 0.00% | No change | 12,500 | $44K |
| Strategic Wealth Partners, Ltd. | 0.00% | New | 12,100 | $42K |
| Citigroup Inc. | 0.00% | Reduce -66.4% | 10,651 | $37K |
| CIBC Bancorp USA Inc. | 0.00% | — | 10,600 | $37K |
| ACT Advisors, LLC. | 0.01% | No change | 10,376 | $36K |
| Stonebrook Private Inc. | 0.01% | Reduce -3.5% | 10,230 | $36K |
| Apollon Wealth Management, LLC | 0.00% | New | 10,015 | $35K |
| Legal & General Group Plc | 0.00% | No change | 9,643 | $34K |
| Russell Investments Group, Ltd. | 0.00% | Add +3933.7% | 7,785 | $27K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 7,536 | $26K |
| California State Teachers Retirement System | 0.00% | Add +0.1% | 7,394 | $26K |
| EverSource Wealth Advisors, LLC | 0.00% | No change | 6,229 | $22K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -58.6% | 6,039 | $21K |
| PNC Financial Services Group, Inc. | 0.00% | Add +9.1% | 5,822 | $20K |
| MCF Advisors LLC | 0.00% | Add +100.0% | 5,540 | $19K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 5,248 | $18K |
| Fortitude Family Office, LLC | 0.00% | Reduce -0.1% | 4,978 | $17K |
| Simplex Trading, LLC | 0.00% | Add +329.0% | 4,093 | $14K |
| Sterling Capital Management LLC | 0.00% | Add +161.6% | 3,335 | $12K |
| Amalgamated Bank | 0.00% | No change | 3,077 | $11K |
| Cwm, LLC | 0.00% | Add +51.8% | 1,891 | $7K |
| Optiver Holding B.V. | 0.00% | New | 1,642 | $6K |
| Cape Investment Advisory, Inc. | 0.00% | New | 1,317 | $5K |
| Bessemer Group Inc. | 0.00% | New | 526 | $2K |
| Quadrant Capital Group LLC | 0.00% | New | 405 | $1K |
| Farther Finance Advisors, LLC | 0.00% | New | 388 | $1K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -6.8% | 330 | $1K |
| Arax Advisory Partners | 0.00% | New | 225 | $787 |
| Marshall & Sterling Wealth Advisors Inc. | 0.00% | No change | 200 | $700 |
| Rothschild Investment LLC | 0.00% | No change | 120 | $420 |
| Essential Partners LLC | 0.00% | New | 19 | $67 |
| Sunbelt Securities, Inc. | 0.00% | New | 8 | $28 |
| IFP Advisors, Inc | 0.00% | New | 6 | $21 |
| Clearstead Advisors, LLC | 0.00% | New | 4 | $14 |
| Allworth Financial LP | 0.00% | New | 4 | $14 |
"% of holder's portfolio" is CMPX's weight in each manager's 13F, not the share of Compass Therapeutics Inc. the manager owns.