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, Q1 2026
Institutional positions in Compass Therapeutics, Inc. as of Mar 31, 2026. 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
- 201
- +31 vs. Q4 2025
- Shares held
- 173.7M
- +17.6M (+11.3%) vs. Q4 2025
- Total value
- $921.3M
- +$83.2M (+9.9%) vs. Q4 2025
- New holders
- 50
- 76 more added
- Sold out
- 19
- 47 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Compass Therapeutics, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 6 | $0 | 0.00% | −3,815−99.8% | Reduced |
| Basecamp Wealth Advisors LLC | 1 | $5 | 0.00% | +1 | New |
| Hughes Financial Services, LLC | 3 | $16 | 0.00% | +2+200.0% | Added |
| IFP Advisors, Inc | 6 | $32 | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 8 | $42 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 9 | $48 | 0.00% | 00.0% | Unchanged |
| Stone House Investment Management, LLC | 15 | $79 | 0.00% | +15 | New |
| Larson Financial Group LLC | 23 | $122 | 0.00% | +23 | New |
| SJS Investment Consulting Inc. | 27 | $143 | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 69 | $352 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 77 | $407 | 0.00% | +77 | New |
| SBI Securities Co., Ltd. | 184 | $973 | 0.00% | −53−22.4% | Reduced |
| Marshall & Sterling Wealth Advisors Inc. | 200 | $1.06K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 224 | $1.19K | 0.00% | +195+672.4% | Added |
| National Bank of Canada | 235 | $1.24K | 0.00% | −7−2.9% | Reduced |
| Rothschild Investment LLC | 279 | $1.48K | 0.00% | +115+70.1% | Added |
| Quadrant Capital Group LLC | 405 | $2.14K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 592 | $3.13K | 0.00% | +572+2,860.0% | Added |
| MAI Capital Management | 614 | $3.25K | 0.00% | +590+2,458.3% | Added |
| Farther Finance Advisors, LLC | 655 | $3.56K | 0.00% | −25−3.7% | Reduced |
| Caitong International Asset Management Co., Ltd | 719 | $3.80K | 0.00% | −23,860−97.1% | Reduced |
| Quantbot Technologies LP | 720 | $3.81K | 0.00% | +720 | New |
| Federation des caisses Desjardins du Quebec | 1,000 | $5.29K | 0.00% | +500+100.0% | Added |
| Optiver Holding B.V. | 1,336 | $7.07K | 0.00% | +240+21.9% | Added |
| Fortitude Family Office, LLC | 1,915 | $10.1K | 0.00% | −2,676−58.3% | Reduced |
| Sterling Capital Management LLC | 2,444 | $12.9K | 0.00% | −1,383−36.1% | Reduced |
| VSM Wealth Advisory, LLC | 3,000 | $15.9K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 4,317 | $22.8K | 0.00% | +1,258+41.1% | Added |
| Nisa Investment Advisors, LLC | 5,248 | $27.8K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 5,250 | $27.8K | 0.00% | +5,250 | New |
| MCF Advisors LLC | 5,540 | $29.3K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 6,142 | $32.5K | 0.00% | +1,772+40.5% | Added |
| Rockefeller Capital Management L.P. | 10,182 | $53.9K | 0.00% | +8,140+398.6% | Added |
| Brevan Howard Capital Management LP | 10,200 | $54.0K | 0.00% | −108,328−91.4% | Reduced |
| Stonebrook Private Inc. | 10,365 | $54.8K | 0.01% | +135+1.3% | Added |
| Abel Hall, LLC | 10,524 | $55.7K | 0.01% | −12,358−54.0% | Reduced |
| Ameritas Investment Partners, Inc. | 10,621 | $56.2K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 10,900 | $57.7K | 0.00% | −658−5.7% | Reduced |
| The PNC Financial Services Group, Inc. | 11,038 | $58.4K | 0.00% | +10,625+2,572.6% | Added |
| Xponance, Inc. | 11,836 | $62.6K | 0.00% | +1,635+16.0% | Added |
| North Star Investment Management Corp. | 12,500 | $66.1K | 0.00% | 00.0% | Unchanged |
| Magnetar Financial LLC | 13,045 | $69.0K | 0.00% | +13,045 | New |
| Victory Capital Management Inc | 13,729 | $72.6K | 0.00% | −582−4.1% | Reduced |
| Quadrature Capital Ltd | 13,845 | $73.2K | 0.00% | +1,552+12.6% | Added |
| Colony Group, LLC | 14,292 | $75.6K | 0.00% | −4,303−23.1% | Reduced |
| Pictet Asset Management Holding SA | 14,432 | $76.3K | 0.00% | +14,432 | New |
| Teacher Retirement System of Texas | 14,464 | $76.5K | 0.00% | +14,464 | New |
| Sig Brokerage, LP | 14,496 | $76.7K | 0.02% | −2,580−15.1% | Reduced |
| Advisor Group Holdings, Inc. | 14,678 | $77.6K | 0.00% | +14,621+25,650.9% | Added |
| M&T Bank Corp | 15,043 | $79.6K | 0.00% | +149+1.0% | Added |
| Sequoia Financial Advisors, LLC | 15,535 | $82.2K | 0.00% | −359−2.3% | Reduced |
| Invst, LLC | 16,000 | $84.6K | 0.01% | +16,000 | New |
| Neuberger Berman Group LLC | 16,353 | $86.5K | 0.00% | +3,546+27.7% | Added |
| Scientech Research LLC | 16,669 | $88.2K | 0.07% | +16,669 | New |
| Strategic Wealth Partners, Ltd. | 16,825 | $89.0K | 0.01% | +4,725+39.0% | Added |
| Independent Advisor Alliance | 17,894 | $94.7K | 0.00% | 00.0% | Unchanged |
| Cygnus Capital Advisors, LLC | 18,000 | $95.0K | 0.06% | +8,000+80.0% | Added |
| Ikarian Capital, LLC | 18,000 | $95.2K | 0.01% | −782,000−97.8% | Reduced |
| Prelude Capital Management, LLC | 18,000 | $95.2K | 0.01% | +8,000+80.0% | Added |
| ProShare Advisors LLC | 18,703 | $98.9K | 0.00% | −5,269−22.0% | Reduced |
| Welch & Forbes LLC | 19,000 | $100.5K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 19,851 | $105.0K | 0.00% | +19,851 | New |
| Captrust Financial Advisors | 21,676 | $114.7K | 0.00% | +830+4.0% | Added |
| Independent Financial Group, LLC | 22,779 | $120.5K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 23,252 | $123.0K | 0.00% | +21,554+1,269.4% | Added |
| Graham Capital Management, L.P. | 23,551 | $124.6K | 0.00% | −29,876−55.9% | Reduced |
| KLP Kapitalforvaltning AS | 24,600 | $130.1K | 0.00% | +24,600 | New |
| E Fund Management Co., Ltd. | 24,622 | $130.3K | 0.00% | +24,622 | New |
| Walleye Trading LLC | 25,000 | $132.3K | 0.00% | 00.0% | Unchanged |
| Axq Capital, LP | 25,058 | $132.6K | 0.02% | −16,320−39.4% | Reduced |
| Canada Pension Plan Investment Board | 25,100 | $132.8K | 0.00% | +10,200+68.5% | Added |
| Simplex Trading, LLC | 25,851 | $136.8K | 0.00% | +16,939+190.1% | Added |
| Stifel Financial Corp | 27,497 | $145.5K | 0.00% | +3,524+14.7% | Added |
| Simplicity Wealth,LLC | 28,350 | $150.0K | 0.01% | −5,519−16.3% | Reduced |
| EntryPoint Capital, LLC | 29,265 | $154.8K | 0.05% | +16,102+122.3% | Added |
| Intech Investment Management LLC | 29,803 | $157.7K | 0.00% | −9,133−23.5% | Reduced |
| PSP Research LLC | 30,000 | $158.7K | 0.11% | +30,000 | New |
| Group One Trading, L.P. | 30,229 | $159.9K | 0.01% | +24,985+476.4% | Added |
| VARCOV Co. | 30,401 | $160.8K | 0.06% | +30,401 | New |
| New York State Common Retirement Fund | 30,407 | $160.9K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 30,632 | $162.0K | 0.00% | +30,632 | New |
| Jacobs Levy Equity Management, Inc | 30,655 | $162.2K | 0.00% | +30,655 | New |
| Blair William & Co | 30,760 | $162.7K | 0.00% | +30,760 | New |
| Two Sigma Investments, LP | 33,100 | $175.1K | 0.00% | +33,100 | New |
| Vanguard Investments Australia, Ltd. | 33,422 | $176.8K | 0.00% | +33,422 | New |
| SmartHarvest Portfolios, LLC | 34,713 | $183.6K | 0.08% | −20.0% | Reduced |
| LPL Financial LLC | 35,470 | $187.6K | 0.00% | −9,000−20.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 35,503 | $187.8K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 35,768 | $189.2K | 0.00% | +20,123+128.6% | Added |
| Landscape Capital Management, L.L.C. | 35,923 | $190.0K | 0.01% | +35,923 | New |
| Algert Global LLC | 36,780 | $194.6K | 0.00% | +36,780 | New |
| State of New Jersey Common Pension Fund D | 38,113 | $201.6K | 0.00% | +38,113 | New |
| Virtu Financial LLC | 43,066 | $228.0K | 0.01% | +43,066 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 43,914 | $232.3K | 0.00% | +43,914 | New |
| ExodusPoint Capital Management, LP | 44,030 | $232.9K | 0.00% | +44,030 | New |
| SG Americas Securities, LLC | 47,670 | $252.0K | 0.00% | −58,863−55.3% | Reduced |
| Wells Fargo & Company | 47,740 | $252.5K | 0.00% | −97,058−67.0% | Reduced |
| Cinctive Capital Management LP | 48,740 | $257.8K | 0.02% | +48,740 | New |
| Squarepoint Ops LLC | 50,202 | $265.6K | 0.00% | −75,990−60.2% | Reduced |
| Virtus Investment Advisers, Inc. | 52,846 | $279.6K | 0.08% | +1,290+2.5% | Added |