BOSTON, MA
COMPASS THERAPEUTICS, INC.CMPX— Latest position per institution from SEC 13F filings
15
Institutional holders
145.80M
Total shares held
724M
Estimated value
7.29M
Avg. position size
TANG CAPITAL MANAGEMENT LLC
CIK 1232621
Shares
16.79M
Value
88.82M
Filed
Mar 31, 2026
ORBIMED ADVISORS LLC
CIK 1055951
Shares
15.22M
Value
80.51M
Filed
Mar 31, 2026
SUVRETTA CAPITAL MANAGEMENT, LLC
CIK 1569064
Shares
14.31M
Value
75.69M
Filed
Mar 31, 2026
VIVO CAPITAL, LLC
CIK 1674712
Shares
9.55M
Value
50.50M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
9.51M
Value
50.29M
Filed
Mar 31, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 1165408
Shares
8.49M
Value
44.89M
Filed
Mar 31, 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
41.20M
Filed
Mar 31, 2026
BVF INC/IL
CIK 1056807
Shares
7.76M
Value
41.08M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
6.69M
Value
35.42M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
6.61M
Value
6.61M
Filed
Jun 30, 2024
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
6.04M
Value
31.94M
Filed
Mar 31, 2026
MPM BIOIMPACT LLC
CIK 1687078
Shares
5.08M
Value
17.77M
Filed
Sep 30, 2025
RTW INVESTMENTS, LP
CIK 1493215
Shares
4.19M
Value
22.15M
Filed
Mar 31, 2026
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 1009258
Shares
3.61M
Value
19.08M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
3.57M
Value
18.87M
Filed
Mar 31, 2026
ROCK SPRINGS CAPITAL MANAGEMENT LP
CIK 1595725
Shares
3.31M
Value
17.49M
Filed
Mar 31, 2026
OPALEYE MANAGEMENT INC.
CIK 1595855
Shares
3.17M
Value
6.28M
Filed
Mar 31, 2024
LOGOS GLOBAL MANAGEMENT LP
CIK 1792126
Shares
3.15M
Value
16.66M
Filed
Mar 31, 2026
BLUE OWL CAPITAL HOLDINGS LP
CIK 1858703
Shares
2.94M
Value
15.56M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | TANG CAPITAL MANAGEMENT LLC | 1232621 | 16.79M | 88.82M | Mar 31, 2026 |
| 2 | ORBIMED ADVISORS LLC | 1055951 | 15.22M | 80.51M | Mar 31, 2026 |
| 3 | SUVRETTA CAPITAL MANAGEMENT, LLC | 1569064 | 14.31M | 75.69M | Mar 31, 2026 |
| 4 | VIVO CAPITAL, LLC | 1674712 | 9.55M | 50.50M | Mar 31, 2026 |
| 5 | BLACKROCK, INC. | 2012383 | 9.51M | 50.29M | Mar 31, 2026 |
| 6 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | 8.49M | 44.89M | Mar 31, 2026 |
| 7 | VANGUARD GROUP INC | 102909 | 8.05M | 43.22M | Dec 31, 2025 |
| 8 | ENAVATE SCIENCES GP, LLC | 1953107 | 7.79M | 41.20M | Mar 31, 2026 |
| 9 | BVF INC/IL | 1056807 | 7.76M | 41.08M | Mar 31, 2026 |
| 10 | STATE STREET CORP | 93751 | 6.69M | 35.42M | Mar 31, 2026 |
| 11 | BLACKROCK FINANCE, INC. | 1364742 | 6.61M | 6.61M | Jun 30, 2024 |
| 12 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 6.04M | 31.94M | Mar 31, 2026 |
| 13 | MPM BIOIMPACT LLC | 1687078 | 5.08M | 17.77M | Sep 30, 2025 |
| 14 | RTW INVESTMENTS, LP | 1493215 | 4.19M | 22.15M | Mar 31, 2026 |
| 15 | DEERFIELD MANAGEMENT COMPANY, L.P. | 1009258 | 3.61M | 19.08M | Mar 31, 2026 |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 3.57M | 18.87M | Mar 31, 2026 |
| 17 | ROCK SPRINGS CAPITAL MANAGEMENT LP | 1595725 | 3.31M | 17.49M | Mar 31, 2026 |
| 18 | OPALEYE MANAGEMENT INC. | 1595855 | 3.17M | 6.28M | Mar 31, 2024 |
| 19 | LOGOS GLOBAL MANAGEMENT LP | 1792126 | 3.15M | 16.66M | Mar 31, 2026 |
| 20 | BLUE OWL CAPITAL HOLDINGS LP | 1858703 | 2.94M | 15.56M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.