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.
Q4 2025 vs. Q3 2025
How the institutions holding Compass Therapeutics, Inc. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Of which not filed for Q4 2025 | Q4 2025 | Change |
|---|---|---|---|---|
| Holders | 125 | 1 | 173 | +49 |
| Shares | 151.1M | 10.6K | 164.1M | +13.1M (+8.7%) |
| Value | $528.7M | $37.1K | $881.5M | +$352.8M (+66.7%) |
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (59)
Institutions that held Compass Therapeutics, Inc. at the end of Q4 2025 but not at the end of Q3 2025.
Sold out (10)
Institutions that held Compass Therapeutics, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| MPM Oncology Impact Management LP | 5,075,970 | $17.8M |
| DAFNA Capital Management LLC | 946,661 | $3.31M |
| Caption Management, LLC | 154,170 | $539.6K |
| Cantor Fitzgerald, L. P. | 80,000 | $280.0K |
| Renaissance Technologies LLC | 79,000 | $276.5K |
| STRS Ohio | 17,900 | $62.6K |
| Virtu Financial LLC | 12,681 | $44.0K |
| ACT Advisors, LLC. | 10,376 | $36.3K |
| Apollon Wealth Management, LLC | 10,015 | $35.1K |
| Clearstead Advisors, LLC | 4 | $14 |
Not filed for Q4 2025 yet (1)
Institutions that held Compass Therapeutics, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| CIBC Bancorp USA Inc. | 10,600 | $37.1K |