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 |
|---|---|---|---|---|---|
| Janus Henderson Group PLC | 55,600 | $293.8K | 0.00% | +55,600 | New |
| Virtus Investment Advisers, Inc. | 52,846 | $279.6K | 0.08% | +1,290+2.5% | Added |
| Squarepoint Ops LLC | 50,202 | $265.6K | 0.00% | −75,990−60.2% | Reduced |
| Cinctive Capital Management LP | 48,740 | $257.8K | 0.02% | +48,740 | New |
| Wells Fargo & Company | 47,740 | $252.5K | 0.00% | −97,058−67.0% | Reduced |
| SG Americas Securities, LLC | 47,670 | $252.0K | 0.00% | −58,863−55.3% | Reduced |
| ExodusPoint Capital Management, LP | 44,030 | $232.9K | 0.00% | +44,030 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 43,914 | $232.3K | 0.00% | +43,914 | New |
| Virtu Financial LLC | 43,066 | $228.0K | 0.01% | +43,066 | New |
| State of New Jersey Common Pension Fund D | 38,113 | $201.6K | 0.00% | +38,113 | New |
| Algert Global LLC | 36,780 | $194.6K | 0.00% | +36,780 | New |
| Landscape Capital Management, L.L.C. | 35,923 | $190.0K | 0.01% | +35,923 | New |
| BNP Paribas Arbitrage, SA | 35,768 | $189.2K | 0.00% | +20,123+128.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 35,503 | $187.8K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 35,470 | $187.6K | 0.00% | −9,000−20.2% | Reduced |
| SmartHarvest Portfolios, LLC | 34,713 | $183.6K | 0.08% | −20.0% | Reduced |
| Vanguard Investments Australia, Ltd. | 33,422 | $176.8K | 0.00% | +33,422 | New |
| Two Sigma Investments, LP | 33,100 | $175.1K | 0.00% | +33,100 | New |
| Blair William & Co | 30,760 | $162.7K | 0.00% | +30,760 | New |
| Jacobs Levy Equity Management, Inc | 30,655 | $162.2K | 0.00% | +30,655 | New |
| Arizona State Retirement System | 30,632 | $162.0K | 0.00% | +30,632 | New |
| New York State Common Retirement Fund | 30,407 | $160.9K | 0.00% | 00.0% | Unchanged |
| VARCOV Co. | 30,401 | $160.8K | 0.06% | +30,401 | New |
| Group One Trading, L.P. | 30,229 | $159.9K | 0.01% | +24,985+476.4% | Added |
| PSP Research LLC | 30,000 | $158.7K | 0.11% | +30,000 | New |
| Intech Investment Management LLC | 29,803 | $157.7K | 0.00% | −9,133−23.5% | Reduced |
| EntryPoint Capital, LLC | 29,265 | $154.8K | 0.05% | +16,102+122.3% | Added |
| Simplicity Wealth,LLC | 28,350 | $150.0K | 0.01% | −5,519−16.3% | Reduced |
| Stifel Financial Corp | 27,497 | $145.5K | 0.00% | +3,524+14.7% | Added |
| Simplex Trading, LLC | 25,851 | $136.8K | 0.00% | +16,939+190.1% | Added |
| Canada Pension Plan Investment Board | 25,100 | $132.8K | 0.00% | +10,200+68.5% | Added |
| Axq Capital, LP | 25,058 | $132.6K | 0.02% | −16,320−39.4% | Reduced |
| Walleye Trading LLC | 25,000 | $132.3K | 0.00% | 00.0% | Unchanged |
| E Fund Management Co., Ltd. | 24,622 | $130.3K | 0.00% | +24,622 | New |
| KLP Kapitalforvaltning AS | 24,600 | $130.1K | 0.00% | +24,600 | New |
| Graham Capital Management, L.P. | 23,551 | $124.6K | 0.00% | −29,876−55.9% | Reduced |
| Tower Research Capital LLC (TRC) | 23,252 | $123.0K | 0.00% | +21,554+1,269.4% | Added |
| Independent Financial Group, LLC | 22,779 | $120.5K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 21,676 | $114.7K | 0.00% | +830+4.0% | Added |
| HRT Financial LP | 19,851 | $105.0K | 0.00% | +19,851 | New |
| Welch & Forbes LLC | 19,000 | $100.5K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 18,703 | $98.9K | 0.00% | −5,269−22.0% | Reduced |
| 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 |
| Cygnus Capital Advisors, LLC | 18,000 | $95.0K | 0.06% | +8,000+80.0% | Added |
| Independent Advisor Alliance | 17,894 | $94.7K | 0.00% | 00.0% | Unchanged |
| Strategic Wealth Partners, Ltd. | 16,825 | $89.0K | 0.01% | +4,725+39.0% | Added |
| Scientech Research LLC | 16,669 | $88.2K | 0.07% | +16,669 | New |
| Neuberger Berman Group LLC | 16,353 | $86.5K | 0.00% | +3,546+27.7% | Added |
| Invst, LLC | 16,000 | $84.6K | 0.01% | +16,000 | New |
| Sequoia Financial Advisors, LLC | 15,535 | $82.2K | 0.00% | −359−2.3% | Reduced |
| M&T Bank Corp | 15,043 | $79.6K | 0.00% | +149+1.0% | Added |
| Advisor Group Holdings, Inc. | 14,678 | $77.6K | 0.00% | +14,621+25,650.9% | Added |
| Sig Brokerage, LP | 14,496 | $76.7K | 0.02% | −2,580−15.1% | Reduced |
| Teacher Retirement System of Texas | 14,464 | $76.5K | 0.00% | +14,464 | New |
| Pictet Asset Management Holding SA | 14,432 | $76.3K | 0.00% | +14,432 | New |
| Colony Group, LLC | 14,292 | $75.6K | 0.00% | −4,303−23.1% | Reduced |
| Quadrature Capital Ltd | 13,845 | $73.2K | 0.00% | +1,552+12.6% | Added |
| Victory Capital Management Inc | 13,729 | $72.6K | 0.00% | −582−4.1% | Reduced |
| Magnetar Financial LLC | 13,045 | $69.0K | 0.00% | +13,045 | New |
| North Star Investment Management Corp. | 12,500 | $66.1K | 0.00% | 00.0% | Unchanged |
| Xponance, Inc. | 11,836 | $62.6K | 0.00% | +1,635+16.0% | Added |
| The PNC Financial Services Group, Inc. | 11,038 | $58.4K | 0.00% | +10,625+2,572.6% | Added |
| Russell Investments Group, Ltd. | 10,900 | $57.7K | 0.00% | −658−5.7% | Reduced |
| Ameritas Investment Partners, Inc. | 10,621 | $56.2K | 0.00% | 00.0% | Unchanged |
| Abel Hall, LLC | 10,524 | $55.7K | 0.01% | −12,358−54.0% | Reduced |
| Stonebrook Private Inc. | 10,365 | $54.8K | 0.01% | +135+1.3% | Added |
| Brevan Howard Capital Management LP | 10,200 | $54.0K | 0.00% | −108,328−91.4% | Reduced |
| Rockefeller Capital Management L.P. | 10,182 | $53.9K | 0.00% | +8,140+398.6% | Added |
| EverSource Wealth Advisors, LLC | 6,142 | $32.5K | 0.00% | +1,772+40.5% | Added |
| MCF Advisors LLC | 5,540 | $29.3K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 5,250 | $27.8K | 0.00% | +5,250 | New |
| Nisa Investment Advisors, LLC | 5,248 | $27.8K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 4,317 | $22.8K | 0.00% | +1,258+41.1% | Added |
| VSM Wealth Advisory, LLC | 3,000 | $15.9K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 2,444 | $12.9K | 0.00% | −1,383−36.1% | Reduced |
| Fortitude Family Office, LLC | 1,915 | $10.1K | 0.00% | −2,676−58.3% | Reduced |
| Optiver Holding B.V. | 1,336 | $7.07K | 0.00% | +240+21.9% | Added |
| Federation des caisses Desjardins du Quebec | 1,000 | $5.29K | 0.00% | +500+100.0% | Added |
| Quantbot Technologies LP | 720 | $3.81K | 0.00% | +720 | New |
| Caitong International Asset Management Co., Ltd | 719 | $3.80K | 0.00% | −23,860−97.1% | Reduced |
| Farther Finance Advisors, LLC | 655 | $3.56K | 0.00% | −25−3.7% | Reduced |
| MAI Capital Management | 614 | $3.25K | 0.00% | +590+2,458.3% | Added |
| Allworth Financial LP | 592 | $3.13K | 0.00% | +572+2,860.0% | Added |
| Quadrant Capital Group LLC | 405 | $2.14K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 279 | $1.48K | 0.00% | +115+70.1% | Added |
| National Bank of Canada | 235 | $1.24K | 0.00% | −7−2.9% | Reduced |
| GAMMA Investing LLC | 224 | $1.19K | 0.00% | +195+672.4% | Added |
| Marshall & Sterling Wealth Advisors Inc. | 200 | $1.06K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 184 | $973 | 0.00% | −53−22.4% | Reduced |
| US Bancorp | 77 | $407 | 0.00% | +77 | New |
| Smartleaf Asset Management LLC | 69 | $352 | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 27 | $143 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 23 | $122 | 0.00% | +23 | New |
| Stone House Investment Management, LLC | 15 | $79 | 0.00% | +15 | New |
| Essential Partners LLC | 9 | $48 | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 8 | $42 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 6 | $32 | 0.00% | 00.0% | Unchanged |
| Hughes Financial Services, LLC | 3 | $16 | 0.00% | +2+200.0% | Added |
| Basecamp Wealth Advisors LLC | 1 | $5 | 0.00% | +1 | New |