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, Q4 2025
Institutional positions in Compass Therapeutics, Inc. as of Dec 31, 2025. 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
- 173
- +49 vs. Q3 2025
- Shares held
- 164.1M
- +13.1M (+8.7%) vs. Q3 2025
- Total value
- $881.5M
- +$352.8M (+66.7%) vs. Q3 2025
- New holders
- 59
- 60 more added
- Sold out
- 10
- 34 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 | $528.7M |
| Q2 2025 | 103 | $281.5M |
| Q1 2025 | 108 | $206.1M |
| Q4 2024 | 92 | $147.0M |
| Q3 2024 | 79 | $169.6M |
| Q2 2024 | 82 | $93.4M |
| Q1 2024 | 78 | $187.2M |
| Q4 2023 | 77 | $134.3M |
| Q3 2023 | 76 | $176.7M |
| Q2 2023 | 73 | $287.7M |
| Q1 2023 | 73 | $266.5M |
| Q4 2022 | 55 | $401.4M |
| Q3 2022 | 38 | $145.6M |
| 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, Q4 2025
Shares, value and share of portfolio for each institution holding Compass Therapeutics, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| NEOS Investment Management LLC | 101,676 | $546.0K | 0.00% | +101,676 | New |
| Citadel Advisors LLC | 105,682 | $567.5K | 0.00% | −127,589−54.7% | Reduced |
| SG Americas Securities, LLC | 106,533 | $572.0K | 0.00% | −42,780−28.7% | Reduced |
| Creative Planning | 108,144 | $580.7K | 0.00% | +47,217+77.5% | Added |
| Deutsche Bank AG | 109,273 | $586.8K | 0.00% | +13,488+14.1% | Added |
| XTX Topco Ltd | 115,634 | $621.0K | 0.02% | +98,684+582.2% | Added |
| Brevan Howard Capital Management LP | 118,528 | $636.5K | 0.01% | +72,651+158.4% | Added |
| Squarepoint Ops LLC | 126,192 | $677.7K | 0.00% | +38,339+43.6% | Added |
| Gsa Capital Partners LLP | 133,810 | $719.0K | 0.06% | +133,810 | New |
| Rhumbline Advisers | 134,605 | $722.8K | 0.00% | −4,708−3.4% | Reduced |
| ADAR1 Capital Management, LLC | 139,000 | $746.4K | 0.06% | +89,000+178.0% | Added |
| Wells Fargo & Company | 144,798 | $777.6K | 0.00% | +76,625+112.4% | Added |
| Alps Advisors Inc | 146,040 | $784.2K | 0.00% | +63,033+75.9% | Added |
| Rafferty Asset Management, LLC | 151,743 | $814.9K | 0.00% | +80,784+113.8% | Added |
| AQR Capital Management LLC | 155,218 | $833.5K | 0.00% | +96,070+162.4% | Added |
| UBS Group AG | 167,856 | $901.4K | 0.00% | −30,415−15.3% | Reduced |
| State of Wisconsin Investment Board | 185,423 | $995.7K | 0.00% | +144,023+347.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 191,724 | $1.03M | 0.00% | +191,724 | New |
| Boothbay Fund Management, LLC | 205,024 | $1.10M | 0.03% | +205,024 | New |
| Arrowstreet Capital, Limited Partnership | 210,249 | $1.13M | 0.00% | +210,249 | New |
| HighVista Strategies LLC | 245,532 | $1.32M | 0.34% | +245,532 | New |
| Citigroup Inc | 261,876 | $1.41M | 0.00% | +251,225+2,358.7% | Added |
| Bank of America Corp | 266,434 | $1.43M | 0.00% | +192,633+261.0% | Added |
| Royce & Associates LP | 285,988 | $1.54M | 0.02% | +285,988 | New |
| Nuveen, LLC | 288,924 | $1.55M | 0.00% | +29,713+11.5% | Added |
| Bank of New York Mellon Corp | 312,480 | $1.68M | 0.00% | +89,304+40.0% | Added |
| Prudential Financial Inc | 314,750 | $1.69M | 0.00% | +314,750 | New |
| Wellington Management Group LLP | 316,849 | $1.70M | 0.00% | −1,275−0.4% | Reduced |
| Dimensional Fund Advisors LP | 341,596 | $1.83M | 0.00% | +166,040+94.6% | Added |
| Morgan Stanley | 365,245 | $1.96M | 0.00% | +178,293+95.4% | Added |
| Charles Schwab Investment Management Inc | 410,157 | $2.20M | 0.00% | +74,907+22.3% | Added |
| Qube Research & Technologies Ltd | 441,805 | $2.37M | 0.00% | +441,805 | New |
| Schonfeld Strategic Advisors LLC | 452,442 | $2.43M | 0.01% | −23,849−5.0% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 462,166 | $2.48M | 0.06% | +462,166 | New |
| Seven Fleet Capital Management LP | 568,747 | $3.05M | 2.07% | +568,747 | New |
| HealthInvest Partners AB | 584,332 | $3.14M | 1.00% | +584,332 | New |
| Barclays PLC | 594,776 | $3.19M | 0.00% | +372,358+167.4% | Added |
| Burkehill Global Management, LP | 700,000 | $3.76M | 0.25% | 00.0% | Unchanged |
| Ikarian Capital, LLC | 800,000 | $4.30M | 0.56% | +800,000 | New |
| Ameriprise Financial Inc | 823,174 | $4.42M | 0.00% | +823,174 | New |
| JPMorgan Chase & Co | 870,014 | $4.67M | 0.00% | −1,129,264−56.5% | Reduced |
| Northern Trust Corp | 972,935 | $5.22M | 0.00% | +111,000+12.9% | Added |
| Monashee Investment Management LLC | 1,000,000 | $5.37M | 3.03% | −250,000−20.0% | Reduced |
| Silverarc Capital Management, LLC | 1,051,343 | $5.65M | 0.82% | −1,782,645−62.9% | Reduced |
| Acuta Capital Partners, LLC | 1,093,300 | $5.87M | 3.99% | +253,210+30.1% | Added |
| NEXTBio Capital Management LP | 1,114,005 | $5.98M | 3.51% | +1,114,005 | New |
| Logos Global Management LP | 1,150,000 | $6.18M | 0.41% | −900,000−43.9% | Reduced |
| Marshall Wace, LLP | 1,263,647 | $6.79M | 0.01% | +1,263,647 | New |
| Trails Edge Capital Partners, LP | 1,415,273 | $7.60M | 1.88% | +1,415,273 | New |
| Goldman Sachs Group Inc | 1,517,415 | $8.15M | 0.00% | +477,744+46.0% | Added |
| Birchview Capital, LP | 1,592,938 | $8.55M | 5.01% | +720,000+82.5% | Added |
| Balyasny Asset Management LLC | 1,593,275 | $8.56M | 0.02% | −1,233,087−43.6% | Reduced |
| RTW Investments, LP | 2,500,000 | $13.4M | 0.13% | 00.0% | Unchanged |
| Palo Alto Investors LP | 2,532,419 | $13.6M | 1.89% | +2,532,419 | New |
| FMR LLC | 2,579,711 | $13.9M | 0.00% | −1,557,851−37.7% | Reduced |
| Braidwell LP | 2,786,778 | $15.0M | 0.48% | +2,786,778 | New |
| Millennium Management LLC | 3,109,286 | $16.7M | 0.01% | −128,286−4.0% | Reduced |
| Sofinnova Investments, Inc. | 3,365,446 | $18.1M | 0.78% | +1,336,560+65.9% | Added |
| Blue Owl Capital Holdings LP | 3,466,525 | $18.6M | 5.74% | +875,000+33.8% | Added |
| Geode Capital Management, LLC | 3,502,526 | $18.8M | 0.00% | +558,057+19.0% | Added |
| Deerfield Management Company, L.P. (Series C) | 3,606,000 | $19.4M | 0.25% | +3,606,000 | New |
| Rock Springs Capital Management LP | 3,927,202 | $21.1M | 1.08% | −547,500−12.2% | Reduced |
| Adage Capital Partners GP, L.L.C. | 4,436,500 | $23.8M | 0.04% | −750,000−14.5% | Reduced |
| State Street Corp | 4,890,525 | $26.3M | 0.00% | +1,784,012+57.4% | Added |
| Blackstone Group Inc. | 6,126,182 | $32.9M | 0.14% | −3,713,926−37.7% | Reduced |
| BVF Inc | 7,764,842 | $41.7M | 1.40% | +3,014,842+63.5% | Added |
| Enavate Sciences GP, LLC | 7,788,150 | $41.8M | 8.25% | 00.0% | Unchanged |
| Vanguard Group Inc | 8,048,374 | $43.2M | 0.00% | +985,575+14.0% | Added |
| BlackRock, Inc. | 9,388,624 | $50.4M | 0.00% | +2,017,877+27.4% | Added |
| Vivo Capital, LLC | 9,545,466 | $51.3M | 3.31% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 14,182,379 | $76.2M | 1.90% | +81,220+0.6% | Added |
| OrbiMed Advisors LLC | 15,219,994 | $81.7M | 1.67% | 00.0% | Unchanged |
| Tang Capital Management LLC | 16,790,809 | $90.2M | 4.45% | −21,154−0.1% | Reduced |
| MPM Oncology Impact Management LP | 0 | $0 | 0.00% | −5,075,970−100.0% | Sold out |
| DAFNA Capital Management LLC | 0 | $0 | 0.00% | −946,661−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −154,170−100.0% | Sold out |
| Cantor Fitzgerald, L. P. | 0 | $0 | 0.00% | −80,000−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −79,000−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −17,900−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −12,681−100.0% | Sold out |
| ACT Advisors, LLC. | 0 | $0 | 0.00% | −10,376−100.0% | Sold out |
| Apollon Wealth Management, LLC | 0 | $0 | 0.00% | −10,015−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| CIBC Bancorp USA Inc. | – | – | – | – | Not filed |