Which hedge funds own CMPX? COMPASS THERAPEUTICS INC, Q2 2026 13F holders
39 tracked hedge funds disclosed a position in CMPX (COMPASS THERAPEUTICS INC) in their Q2 2026 13F filings, worth $142.8m in total. The largest holder by portfolio weight is Palo Alto Investors LP at 1.8% of its book. 13 opened a new position this quarter: CM Management, LLC, Kingdon Capital Management, L.L.C., Exome Asset Management LLC, Artia Global Partners LP. 21 exited: NEXTBio Capital Management LP, Great Point Partners LLC, Logos Global Management LP.
- 39
- Holders Tracked managers whose filing for the quarter reports a long equity position in the security.
- 13
- New this quarter Holders whose previous filing (at most two quarters earlier) did not report the security.
- 21
- Exited this quarter Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
- $9.0m
- Inflow, new holders Combined value of the positions the new holders reported for the quarter.
- $111m
- Outflow, exits Combined value the exiting managers reported for the security in their previous filing.
- $143m
- Combined value Sum of the holders' reported positions in the security.
- 3.1%
- Share of managers holding Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.
Holders, Q2 2026
Exited since the previous filing
| NEXTBio Capital Management LP | 2.1% | $4.5m |
| Great Point Partners LLC | 1.7% | $7.1m |
| Logos Global Management LP | 0.9% | $16.7m |
| Sofinnova Investments, Inc. | 0.5% | $10.9m |
| Silverarc Capital Management, LLC | 0.5% | $4.5m |
| Braidwell LP | 0.3% | $10.4m |
| Deerfield Management Company, L.P. | 0.2% | $19.1m |
| RTW Investments, LP | 0.2% | $22.1m |
| Persistent Asset Partners Ltd | 0.1% | $382k |
| Atom Investors LP | 0.1% | $1.8m |
| Y-Intercept (Hong Kong) Ltd | 0.08% | $4.4m |
| Scientech Research LLC | 0.07% | $88.2k |
| Cygnus Capital Advisors, LLC | 0.06% | $95.0k |
| EntryPoint Capital, LLC | 0.05% | $155k |
| Cinctive Capital Management LP | 0.02% | $258k |
| Trexquant Investment LP | 0.02% | $2.2m |
| Landscape Capital Management, L.L.C. | 0.01% | $190k |
| Balyasny Asset Management L.P. | 0.01% | $5.9m |
| Aquatic Capital Management LLC | 0.01% | $388k |
| Prelude Capital Management, LLC | 0.01% | $95.2k |
| Magnetar Financial LLC | 0.0% | $69.0k |
Ownership over time
Who discovered CMPX first? Beta
| MPM Bioimpact LLC | Q3 2024 | +2.5 pts |
| Silverarc Capital Management, LLC | Q3 2025 | +1.4 pts |
| Orbimed Advisors LLC | Q4 2022 | 0.0 pts |
| Montanova Capital, LLC | Q3 2025 | −0.2 pts |
| Prosight Management, LP | Q1 2023 | −0.4 pts |
| Palo Alto Investors LP | Q4 2025 | −0.7 pts |
| Birchview Capital, LP high conviction | Q4 2025 | −1.4 pts |
| Ally Bridge Group (NY) LLC | Q2 2023 | −1.8 pts |
Split-adjusted quarter-end prices, excluding dividends. They describe the stock while each manager held it, not the return it earned.