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, Q2 2026
Institutional positions in Compass Therapeutics, Inc. as of Jun 30, 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
- 215
- +17 vs. Q1 2026
- Shares held
- 165.7M
- −7.90M (−4.6%) vs. Q1 2026
- Total value
- $363.4M
- −$557.7M (−60.5%) vs. Q1 2026
- New holders
- 64
- 86 more added
- Sold out
- 47
- 44 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $535.7M |
| Q2 2025 | 103 | $281.9M |
| Q1 2025 | 108 | $206.1M |
| Q4 2024 | 92 | $147.0M |
| Q3 2024 | 79 | $169.7M |
| Q2 2024 | 82 | $93.5M |
| Q1 2024 | 78 | $187.9M |
| Q4 2023 | 77 | $134.8M |
| Q3 2023 | 76 | $176.7M |
| Q2 2023 | 73 | $287.7M |
| Q1 2023 | 73 | $285.1M |
| Q4 2022 | 55 | $401.4M |
| Q3 2022 | 38 | $153.7M |
| 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, Q2 2026
Shares, value and share of portfolio for each institution holding Compass Therapeutics, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rothschild Investment LLC | 765 | $1.68K | 0.00% | +486+174.2% | Added |
| Wealth Enhancement Trust Services, Inc. | 740 | $1.62K | 0.00% | +740 | New |
| Truvestments Capital LLC | 614 | $1.34K | 0.00% | +614 | New |
| Optiver Holding B.V. | 568 | $1.24K | 0.00% | −768−57.5% | Reduced |
| Picton Mahoney Asset Management | 467 | $1.02K | 0.00% | +467 | New |
| GAMMA Investing LLC | 442 | $968 | 0.00% | +218+97.3% | Added |
| National Bank of Canada | 300 | $654 | 0.00% | +65+27.7% | Added |
| Zions Bancorporation, National Association | 288 | $631 | 0.00% | +288 | New |
| Marshall & Sterling Wealth Advisors Inc. | 200 | $438 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 180 | $394 | 0.00% | −4−2.2% | Reduced |
| Larson Financial Group LLC | 93 | $204 | 0.00% | +70+304.3% | Added |
| JPL Wealth Management, LLC | 89 | $195 | 0.00% | +89 | New |
| Smartleaf Asset Management LLC | 69 | $149 | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 2 | $4 | 0.00% | +2 | New |
| Freestone Grove Partners LP | 1 | $2 | 0.00% | +1 | New |
| BVF Inc | 0 | $0 | 0.00% | −7,764,842−100.0% | Sold out |
| RTW Investments, LP | 0 | $0 | 0.00% | −4,186,599−100.0% | Sold out |
| Deerfield Management Company, L.P. (Series C) | 0 | $0 | 0.00% | −3,606,000−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −3,150,000−100.0% | Sold out |
| Sofinnova Investments, Inc. | 0 | $0 | 0.00% | −2,056,161−100.0% | Sold out |
| Braidwell LP | 0 | $0 | 0.00% | −1,965,106−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −1,596,815−100.0% | Sold out |
| Great Point Partners LLC | 0 | $0 | 0.00% | −1,350,000−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −1,119,090−100.0% | Sold out |
| Silverarc Capital Management, LLC | 0 | $0 | 0.00% | −859,049−100.0% | Sold out |
| NEXTBio Capital Management LP | 0 | $0 | 0.00% | −848,204−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −828,879−100.0% | Sold out |
| DV Trading LLC | 0 | $0 | 0.00% | −423,566−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −421,831−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −371,400−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −344,933−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −258,865−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −138,276−100.0% | Sold out |
| Tema ETFs LLC | 0 | $0 | 0.00% | −138,276−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −121,889−100.0% | Sold out |
| Rhenman & Partners Asset Management AB | 0 | $0 | 0.00% | −115,113−100.0% | Sold out |
| Harvest Investment Services, LLC | 0 | $0 | 0.00% | −87,652−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −78,328−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −76,493−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −73,338−100.0% | Sold out |
| Persistent Asset Partners Ltd | 0 | $0 | 0.00% | −72,193−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −66,607−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −48,740−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −35,923−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −30,655−100.0% | Sold out |
| VARCOV Co. | 0 | $0 | 0.00% | −30,401−100.0% | Sold out |
| PSP Research LLC | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −29,265−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −18,000−100.0% | Sold out |
| Cygnus Capital Advisors, LLC | 0 | $0 | 0.00% | −18,000−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −16,669−100.0% | Sold out |
| Invst, LLC | 0 | $0 | 0.00% | −16,000−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −13,045−100.0% | Sold out |
| Abel Hall, LLC | 0 | $0 | 0.00% | −10,524−100.0% | Sold out |
| Stonebrook Private Inc. | 0 | $0 | 0.00% | −10,365−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −5,250−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −405−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −77−100.0% | Sold out |
| Stone House Investment Management, LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Hughes Financial Services, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Basecamp Wealth Advisors LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |