NEWARK, CA
PROTAGONIST THERAPEUTICS, INCPTGX— Latest position per institution from SEC 13F filings
15
Institutional holders
77.08M
Total shares held
7.02B
Estimated value
3.85M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
10.31M
Value
1.26B
Filed
Jun 30, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
CIK 1081019
Shares
7.23M
Value
58.96K
Filed
Jun 30, 2026
FARALLON CAPITAL MANAGEMENT, L.L.C.
CIK 909661
Shares
6.35M
Value
778.25M
Filed
Jun 30, 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
RTW INVESTMENTS, LP
CIK 1493215
Shares
5.06M
Value
620.40M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
3.63M
Value
444.88M
Filed
Jun 30, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
3.42M
Value
418.83M
Filed
Jun 30, 2026
UBS GROUP AG
CIK 1610520
Shares
3.40M
Value
416.68M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
3.32M
Value
407.16M
Filed
Jun 30, 2026
JANUS HENDERSON GROUP LTD.
CIK 1274173
Shares
2.89M
Value
304.87M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.85M
Value
349.77M
Filed
Jun 30, 2026
BVF INC/IL
CIK 1056807
Shares
2.56M
Value
170.12M
Filed
Sep 30, 2025
JOHNSON & JOHNSON
CIK 200406
Shares
2.45M
Value
300.22M
Filed
Jun 30, 2026
BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC
CIK 1703031
Shares
2.36M
Value
25.80K
Filed
Dec 31, 2022
INVESCO LTD.
CIK 914208
Shares
2.34M
Value
286.92M
Filed
Jun 30, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
2.15M
Value
263.51K
Filed
Jun 30, 2026
JUPITER TOPCO LLC
CIK 2146052
Shares
2.13M
Value
261.04M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.74M
Value
213.48M
Filed
Jun 30, 2026
DEEP TRACK CAPITAL, LP
CIK 1856083
Shares
1.72M
Value
113.97M
Filed
Sep 30, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 10.31M | 1.26B | Jun 30, 2026 |
| 2 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | 7.23M | 58.96K | Jun 30, 2026 |
| 3 | FARALLON CAPITAL MANAGEMENT, L.L.C. | 909661 | 6.35M | 778.25M | Jun 30, 2026 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 5.76M | 199.52M | Jun 30, 2024 |
| 5 | VANGUARD GROUP INC | 102909 | 5.41M | 472.83M | Dec 31, 2025 |
| 6 | RTW INVESTMENTS, LP | 1493215 | 5.06M | 620.40M | Jun 30, 2026 |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 3.63M | 444.88M | Jun 30, 2026 |
| 8 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 3.42M | 418.83M | Jun 30, 2026 |
| 9 | UBS GROUP AG | 1610520 | 3.40M | 416.68M | Jun 30, 2026 |
| 10 | STATE STREET CORP | 93751 | 3.32M | 407.16M | Jun 30, 2026 |
| 11 | JANUS HENDERSON GROUP LTD. | 1274173 | 2.89M | 304.87M | Mar 31, 2026 |
| 12 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.85M | 349.77M | Jun 30, 2026 |
| 13 | BVF INC/IL | 1056807 | 2.56M | 170.12M | Sep 30, 2025 |
| 14 | JOHNSON & JOHNSON | 200406 | 2.45M | 300.22M | Jun 30, 2026 |
| 15 | BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC | 1703031 | 2.36M | 25.80K | Dec 31, 2022 |
| 16 | INVESCO LTD. | 914208 | 2.34M | 286.92M | Jun 30, 2026 |
| 17 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 2.15M | 263.51K | Jun 30, 2026 |
| 18 | JUPITER TOPCO LLC | 2146052 | 2.13M | 261.04M | Jun 30, 2026 |
| 19 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.74M | 213.48M | Jun 30, 2026 |
| 20 | DEEP TRACK CAPITAL, LP | 1856083 | 1.72M | 113.97M | Sep 30, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.