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 |
|---|---|---|---|---|---|
| Caxton Corp | 29,495 | $158.4K | 3.70% | −24,008−44.9% | Reduced |
| Avanza Fonder AB | 27,347 | $146.9K | 0.00% | +27,347 | New |
| Walleye Trading LLC | 25,000 | $134.3K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 24,579 | $132.0K | 0.03% | +24,579 | New |
| DV Trading LLC | 24,207 | $130.0K | 0.01% | +24,207 | New |
| Stifel Financial Corp | 23,973 | $128.7K | 0.00% | +23,973 | New |
| ProShare Advisors LLC | 23,972 | $128.7K | 0.00% | +6,968+41.0% | Added |
| Abel Hall, LLC | 22,882 | $122.9K | 0.03% | +22,882 | New |
| Independent Financial Group, LLC | 22,779 | $122.3K | 0.00% | +22,779 | New |
| Voya Investment Management LLC | 22,629 | $121.5K | 0.00% | +5,415+31.5% | Added |
| Captrust Financial Advisors | 20,846 | $111.9K | 0.00% | +322+1.6% | Added |
| Welch & Forbes LLC | 19,000 | $102.0K | 0.00% | +4,000+26.7% | Added |
| Colony Group, LLC | 18,595 | $99.9K | 0.00% | +2,790+17.7% | Added |
| Independent Advisor Alliance | 17,894 | $96.1K | 0.00% | 00.0% | Unchanged |
| Sig Brokerage, LP | 17,076 | $91.7K | 0.03% | −9,289−35.2% | Reduced |
| Sequoia Financial Advisors, LLC | 15,894 | $85.4K | 0.00% | +141+0.9% | Added |
| BNP Paribas Arbitrage, SA | 15,645 | $84.0K | 0.00% | −3,878−19.9% | Reduced |
| Two Sigma Advisers, LP | 15,200 | $81.6K | 0.00% | +15,200 | New |
| Canada Pension Plan Investment Board | 14,900 | $80.0K | 0.00% | +14,900 | New |
| M&T Bank Corp | 14,894 | $80.0K | 0.00% | +14,894 | New |
| Victory Capital Management Inc | 14,311 | $76.8K | 0.00% | +1,659+13.1% | Added |
| Financial Advisory Corp | 13,495 | $72.0K | 0.02% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 13,163 | $70.7K | 0.03% | +13,163 | New |
| Neuberger Berman Group LLC | 12,807 | $68.8K | 0.00% | +12,807 | New |
| Legal & General Group Plc | 12,753 | $68.5K | 0.00% | +3,110+32.3% | Added |
| North Star Investment Management Corp. | 12,500 | $67.1K | 0.00% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 12,293 | $66.0K | 0.00% | −35,134−74.1% | Reduced |
| Strategic Wealth Partners, Ltd. | 12,100 | $65.0K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 11,558 | $62.1K | 0.00% | +3,773+48.5% | Added |
| Ameritas Investment Partners, Inc. | 10,621 | $57.0K | 0.00% | +3,085+40.9% | Added |
| Stonebrook Private Inc. | 10,230 | $54.9K | 0.01% | 00.0% | Unchanged |
| Xponance, Inc. | 10,201 | $54.8K | 0.00% | +10,201 | New |
| Cygnus Capital Advisors, LLC | 10,000 | $54.0K | 0.04% | +10,000 | New |
| Prelude Capital Management, LLC | 10,000 | $53.7K | 0.00% | +10,000 | New |
| Simplex Trading, LLC | 8,912 | $47.9K | 0.00% | +4,819+117.7% | Added |
| California State Teachers Retirement System | 8,056 | $43.3K | 0.00% | +662+9.0% | Added |
| Flagship Harbor Advisors, LLC | 6,000 | $32.2K | 0.00% | +6,000 | New |
| MCF Advisors LLC | 5,540 | $29.8K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 5,248 | $28.2K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 5,244 | $28.2K | 0.00% | +5,244 | New |
| Acadian Asset Management LLC | 4,867 | $26.0K | 0.00% | +4,867 | New |
| Fortitude Family Office, LLC | 4,591 | $24.7K | 0.01% | −387−7.8% | Reduced |
| EverSource Wealth Advisors, LLC | 4,370 | $23.5K | 0.00% | −1,859−29.8% | Reduced |
| Amalgamated Bank | 4,111 | $22.0K | 0.00% | +1,034+33.6% | Added |
| Royal Bank of Canada | 3,821 | $21.0K | 0.00% | −1,697,106−99.8% | Reduced |
| Sterling Capital Management LLC | 3,827 | $20.6K | 0.00% | +492+14.8% | Added |
| VSM Wealth Advisory, LLC | 3,000 | $16.1K | 0.00% | +3,000 | New |
| CWM, LLC | 3,059 | $16.0K | 0.00% | +1,168+61.8% | Added |
| Rockefeller Capital Management L.P. | 2,042 | $11.0K | 0.00% | +2,042 | New |
| Cape Investment Advisory, Inc. | 2,002 | $10.8K | 0.00% | +685+52.0% | Added |
| Tower Research Capital LLC (TRC) | 1,698 | $9.12K | 0.00% | −4,341−71.9% | Reduced |
| Optiver Holding B.V. | 1,096 | $5.89K | 0.00% | −546−33.3% | Reduced |
| Farther Finance Advisors, LLC | 680 | $3.65K | 0.00% | +292+75.3% | Added |
| Bessemer Group Inc | 526 | $3.00K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 500 | $2.69K | 0.00% | +500 | New |
| The PNC Financial Services Group, Inc. | 413 | $2.22K | 0.00% | −5,409−92.9% | Reduced |
| Quadrant Capital Group LLC | 405 | $2.17K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 242 | $1.30K | 0.00% | +242 | New |
| SBI Securities Co., Ltd. | 237 | $1.27K | 0.00% | −93−28.2% | Reduced |
| Marshall & Sterling Wealth Advisors Inc. | 200 | $1.07K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 164 | $881 | 0.00% | +44+36.7% | Added |
| Smartleaf Asset Management LLC | 69 | $371 | 0.00% | +69 | New |
| Advisor Group Holdings, Inc. | 57 | $306 | 0.00% | +57 | New |
| CIBC Private Wealth Group, LLC | 38 | $204 | 0.00% | +38 | New |
| GAMMA Investing LLC | 29 | $156 | 0.00% | +29 | New |
| SJS Investment Consulting Inc. | 27 | $145 | 0.00% | +27 | New |
| MAI Capital Management | 24 | $129 | 0.00% | +24 | New |
| Allworth Financial LP | 20 | $108 | 0.00% | +16+400.0% | Added |
| SRS Capital Advisors, Inc. | 18 | $97 | 0.00% | −207−92.0% | Reduced |
| Essential Partners LLC | 9 | $48 | 0.00% | −10−52.6% | Reduced |
| Sunbelt Securities, Inc. | 8 | $43 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 6 | $32 | 0.00% | 00.0% | Unchanged |
| Hughes Financial Services, LLC | 1 | $5 | 0.00% | +1 | New |
| 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 |