NEWARK, CA
PROTAGONIST THERAPEUTICS, INCPTGX— Latest position per institution from SEC 13F filings
15
Institutional holders
68.13M
Total shares held
5.84B
Estimated value
3.41M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
9.78M
Value
1.03B
Filed
Mar 31, 2026
FARALLON CAPITAL MANAGEMENT LLC
CIK 909661
Shares
6.35M
Value
669.17M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
5.76M
Value
199.52M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
5.41M
Value
472.83M
Filed
Dec 31, 2025
UBS GROUP AG
CIK 1610520
Shares
5.18M
Value
545.74M
Filed
Mar 31, 2026
RTW INVESTMENTS, LP
CIK 1493215
Shares
5.06M
Value
533.22M
Filed
Mar 31, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
3.60M
Value
379.40M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
3.12M
Value
328.51M
Filed
Mar 31, 2026
JANUS HENDERSON GROUP PLC
CIK 1274173
Shares
2.89M
Value
304.87M
Filed
Mar 31, 2026
BVF INC/IL
CIK 1056807
Shares
2.56M
Value
170.12M
Filed
Sep 30, 2025
JOHNSON & JOHNSON
CIK 200406
Shares
2.45M
Value
258.14M
Filed
Mar 31, 2026
BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC
CIK 1703031
Shares
2.36M
Value
25.80K
Filed
Dec 31, 2022
INVESCO LTD.
CIK 914208
Shares
2.16M
Value
228.16M
Filed
Mar 31, 2026
PACER ADVISORS, INC.
CIK 1616667
Shares
1.88M
Value
72.43M
Filed
Dec 31, 2024
DEEP TRACK CAPITAL, LP
CIK 1856083
Shares
1.72M
Value
113.97M
Filed
Sep 30, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.67M
Value
175.98M
Filed
Mar 31, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
1.67M
Value
175.54K
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
1.60M
Value
169.10M
Filed
Mar 31, 2026
CORMORANT ASSET MANAGEMENT, LP
CIK 1583977
Shares
1.50M
Value
41.43M
Filed
Jun 30, 2023
WOODLINE PARTNERS LP
CIK 1784547
Shares
1.41M
Value
149.05M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 9.78M | 1.03B | Mar 31, 2026 |
| 2 | FARALLON CAPITAL MANAGEMENT LLC | 909661 | 6.35M | 669.17M | Mar 31, 2026 |
| 3 | BLACKROCK FINANCE, INC. | 1364742 | 5.76M | 199.52M | Jun 30, 2024 |
| 4 | VANGUARD GROUP INC | 102909 | 5.41M | 472.83M | Dec 31, 2025 |
| 5 | UBS GROUP AG | 1610520 | 5.18M | 545.74M | Mar 31, 2026 |
| 6 | RTW INVESTMENTS, LP | 1493215 | 5.06M | 533.22M | Mar 31, 2026 |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 3.60M | 379.40M | Mar 31, 2026 |
| 8 | STATE STREET CORP | 93751 | 3.12M | 328.51M | Mar 31, 2026 |
| 9 | JANUS HENDERSON GROUP PLC | 1274173 | 2.89M | 304.87M | Mar 31, 2026 |
| 10 | BVF INC/IL | 1056807 | 2.56M | 170.12M | Sep 30, 2025 |
| 11 | JOHNSON & JOHNSON | 200406 | 2.45M | 258.14M | Mar 31, 2026 |
| 12 | BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC | 1703031 | 2.36M | 25.80K | Dec 31, 2022 |
| 13 | INVESCO LTD. | 914208 | 2.16M | 228.16M | Mar 31, 2026 |
| 14 | PACER ADVISORS, INC. | 1616667 | 1.88M | 72.43M | Dec 31, 2024 |
| 15 | DEEP TRACK CAPITAL, LP | 1856083 | 1.72M | 113.97M | Sep 30, 2025 |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.67M | 175.98M | Mar 31, 2026 |
| 17 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 1.67M | 175.54K | Mar 31, 2026 |
| 18 | CITADEL ADVISORS LLC | 1423053 | 1.60M | 169.10M | Mar 31, 2026 |
| 19 | CORMORANT ASSET MANAGEMENT, LP | 1583977 | 1.50M | 41.43M | Jun 30, 2023 |
| 20 | WOODLINE PARTNERS LP | 1784547 | 1.41M | 149.05M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.