BOSTON, MA
COMPASS THERAPEUTICS, INC.CMPX— Latest position per institution from SEC 13F filings
15
Institutional holders
151.05M
Total shares held
392.23M
Estimated value
7.55M
Avg. position size
TANG CAPITAL MANAGEMENT LLC
CIK 1232621
Shares
17.99M
Value
39.40M
Filed
Jun 30, 2026
ORBIMED ADVISORS LLC
CIK 1055951
Shares
15.22M
Value
33.33M
Filed
Jun 30, 2026
MONTANOVA CAPITAL, LLC
CIK 1569064
Shares
14.10M
Value
30.88M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
11.28M
Value
24.71M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
9.95M
Value
21.80M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
8.05M
Value
43.22M
Filed
Dec 31, 2025
ENAVATE SCIENCES GP, LLC
CIK 1953107
Shares
7.79M
Value
17.06M
Filed
Jun 30, 2026
BVF INC/IL
CIK 1056807
Shares
7.76M
Value
41.08M
Filed
Mar 31, 2026
VIVO CAPITAL, LLC
CIK 1674712
Shares
7.76M
Value
16.99M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
6.61M
Value
6.61M
Filed
Jun 30, 2024
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
6.12M
Value
13.40M
Filed
Jun 30, 2026
PALO ALTO INVESTORS LP
CIK 1306923
Shares
5.83M
Value
12.77M
Filed
Jun 30, 2026
MPM BIOIMPACT LLC
CIK 1687078
Shares
5.08M
Value
17.77M
Filed
Sep 30, 2025
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
4.71M
Value
10.32M
Filed
Jun 30, 2026
RTW INVESTMENTS, LP
CIK 1493215
Shares
4.19M
Value
22.15M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
3.82M
Value
8.36M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
3.77M
Value
8.26M
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
3.71M
Value
8.12M
Filed
Jun 30, 2026
QUBE RESEARCH & TECHNOLOGIES LTD
CIK 1729829
Shares
3.69M
Value
8.08M
Filed
Jun 30, 2026
BLUE OWL CAPITAL HOLDINGS LP
CIK 1858703
Shares
3.62M
Value
7.94M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | TANG CAPITAL MANAGEMENT LLC | 1232621 | 17.99M | 39.40M | Jun 30, 2026 |
| 2 | ORBIMED ADVISORS LLC | 1055951 | 15.22M | 33.33M | Jun 30, 2026 |
| 3 | MONTANOVA CAPITAL, LLC | 1569064 | 14.10M | 30.88M | Jun 30, 2026 |
| 4 | BLACKROCK, INC. | 2012383 | 11.28M | 24.71M | Jun 30, 2026 |
| 5 | STATE STREET CORP | 93751 | 9.95M | 21.80M | Jun 30, 2026 |
| 6 | VANGUARD GROUP INC | 102909 | 8.05M | 43.22M | Dec 31, 2025 |
| 7 | ENAVATE SCIENCES GP, LLC | 1953107 | 7.79M | 17.06M | Jun 30, 2026 |
| 8 | BVF INC/IL | 1056807 | 7.76M | 41.08M | Mar 31, 2026 |
| 9 | VIVO CAPITAL, LLC | 1674712 | 7.76M | 16.99M | Jun 30, 2026 |
| 10 | BLACKROCK FINANCE, INC. | 1364742 | 6.61M | 6.61M | Jun 30, 2024 |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 6.12M | 13.40M | Jun 30, 2026 |
| 12 | PALO ALTO INVESTORS LP | 1306923 | 5.83M | 12.77M | Jun 30, 2026 |
| 13 | MPM BIOIMPACT LLC | 1687078 | 5.08M | 17.77M | Sep 30, 2025 |
| 14 | MILLENNIUM MANAGEMENT LLC | 1273087 | 4.71M | 10.32M | Jun 30, 2026 |
| 15 | RTW INVESTMENTS, LP | 1493215 | 4.19M | 22.15M | Mar 31, 2026 |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 3.82M | 8.36M | Jun 30, 2026 |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 3.77M | 8.26M | Jun 30, 2026 |
| 18 | CITADEL ADVISORS LLC | 1423053 | 3.71M | 8.12M | Jun 30, 2026 |
| 19 | QUBE RESEARCH & TECHNOLOGIES LTD | 1729829 | 3.69M | 8.08M | Jun 30, 2026 |
| 20 | BLUE OWL CAPITAL HOLDINGS LP | 1858703 | 3.62M | 7.94M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.