SOUTH SAN FRANCISCO, CA
SUTRO BIOPHARMA, INC.STRO— Latest position per institution from SEC 13F filings
15
Institutional holders
13.69M
Total shares held
428.22M
Estimated value
684.75K
Avg. position size
PERCEPTIVE ADVISORS LLC
CIK 1224962
Shares
1.30M
Value
43.32M
Filed
Jun 30, 2026
BVF INC/IL
CIK 1056807
Shares
1.25M
Value
41.56M
Filed
Jun 30, 2026
AFFINITY ASSET ADVISORS, LLC
CIK 1773195
Shares
1.17M
Value
38.93M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
1.12M
Value
37.27M
Filed
Jun 30, 2026
SAMSARA BIOCAPITAL, LLC
CIK 1744967
Shares
1.06M
Value
35.29M
Filed
Jun 30, 2026
KYNAM CAPITAL MANAGEMENT, LP
CIK 1907884
Shares
872.56K
Value
28.97M
Filed
Jun 30, 2026
ORBIMED ADVISORS LLC
CIK 1055951
Shares
743.94K
Value
24.70M
Filed
Jun 30, 2026
RA CAPITAL MANAGEMENT, L.P.
CIK 1346824
Shares
715.31K
Value
17.82M
Filed
Mar 31, 2026
BALYASNY ASSET MANAGEMENT L.P.
CIK 1218710
Shares
711.16K
Value
23.61M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
694.22K
Value
23.05M
Filed
Jun 30, 2026
EVENTIDE ASSET MANAGEMENT, LLC
CIK 1442891
Shares
585.26K
Value
19.43M
Filed
Jun 30, 2026
VELAN CAPITAL INVESTMENT MANAGEMENT LP
CIK 1848809
Shares
512.16K
Value
17M
Filed
Jun 30, 2026
WOODLINE PARTNERS LP
CIK 1784547
Shares
458.03K
Value
15.21M
Filed
Jun 30, 2026
ADAR1 CAPITAL MANAGEMENT, LLC
CIK 1940272
Shares
404.01K
Value
13.41M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
389.69K
Value
12.94M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
375.79K
Value
4.35M
Filed
Dec 31, 2025
ACADIAN ASSET MANAGEMENT LLC
CIK 916542
Shares
373.84K
Value
12.40K
Filed
Jun 30, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
365.97K
Value
12.15M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
305.98K
Value
10.16M
Filed
Jun 30, 2026
MERCK & CO., INC.
CIK 310158
Shares
272.35K
Value
9.04M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | PERCEPTIVE ADVISORS LLC | 1224962 | 1.30M | 43.32M | Jun 30, 2026 |
| 2 | BVF INC/IL | 1056807 | 1.25M | 41.56M | Jun 30, 2026 |
| 3 | AFFINITY ASSET ADVISORS, LLC | 1773195 | 1.17M | 38.93M | Jun 30, 2026 |
| 4 | BLACKROCK, INC. | 2012383 | 1.12M | 37.27M | Jun 30, 2026 |
| 5 | SAMSARA BIOCAPITAL, LLC | 1744967 | 1.06M | 35.29M | Jun 30, 2026 |
| 6 | KYNAM CAPITAL MANAGEMENT, LP | 1907884 | 872.56K | 28.97M | Jun 30, 2026 |
| 7 | ORBIMED ADVISORS LLC | 1055951 | 743.94K | 24.70M | Jun 30, 2026 |
| 8 | RA CAPITAL MANAGEMENT, L.P. | 1346824 | 715.31K | 17.82M | Mar 31, 2026 |
| 9 | BALYASNY ASSET MANAGEMENT L.P. | 1218710 | 711.16K | 23.61M | Jun 30, 2026 |
| 10 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 694.22K | 23.05M | Jun 30, 2026 |
| 11 | EVENTIDE ASSET MANAGEMENT, LLC | 1442891 | 585.26K | 19.43M | Jun 30, 2026 |
| 12 | VELAN CAPITAL INVESTMENT MANAGEMENT LP | 1848809 | 512.16K | 17M | Jun 30, 2026 |
| 13 | WOODLINE PARTNERS LP | 1784547 | 458.03K | 15.21M | Jun 30, 2026 |
| 14 | ADAR1 CAPITAL MANAGEMENT, LLC | 1940272 | 404.01K | 13.41M | Jun 30, 2026 |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 389.69K | 12.94M | Jun 30, 2026 |
| 16 | VANGUARD GROUP INC | 102909 | 375.79K | 4.35M | Dec 31, 2025 |
| 17 | ACADIAN ASSET MANAGEMENT LLC | 916542 | 373.84K | 12.40K | Jun 30, 2026 |
| 18 | MILLENNIUM MANAGEMENT LLC | 1273087 | 365.97K | 12.15M | Jun 30, 2026 |
| 19 | STATE STREET CORP | 93751 | 305.98K | 10.16M | Jun 30, 2026 |
| 20 | MERCK & CO., INC. | 310158 | 272.35K | 9.04M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.