SAN DIEGO, CA
JANUX THERAPEUTICS, INC.JANX— Latest position per institution from SEC 13F filings
15
Institutional holders
56.67M
Total shares held
1.01B
Estimated value
2.83M
Avg. position size
RA CAPITAL MANAGEMENT, L.P.
CIK 1346824
Shares
11.19M
Value
171.87M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
6.13M
Value
94.23M
Filed
Jun 30, 2026
JANUS HENDERSON GROUP LTD.
CIK 1274173
Shares
4.20M
Value
58.28M
Filed
Mar 31, 2026
PROSIGHT MANAGEMENT, LP
CIK 1617201
Shares
3.80M
Value
58.44M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
3M
Value
46.16M
Filed
Jun 30, 2026
PARADIGM BIOCAPITAL ADVISORS LP
CIK 1855655
Shares
2.92M
Value
71.37M
Filed
Sep 30, 2025
VANGUARD GROUP INC
CIK 102909
Shares
2.91M
Value
40.11M
Filed
Dec 31, 2025
FMR LLC
CIK 315066
Shares
2.41M
Value
37.06M
Filed
Jun 30, 2026
FEDERATED HERMES, INC.
CIK 1056288
Shares
2.35M
Value
36.14M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
2.34M
Value
98.19M
Filed
Jun 30, 2024
POINT72 ASSET MANAGEMENT, L.P.
CIK 1603466
Shares
1.99M
Value
30.63M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.86M
Value
28.53M
Filed
Jun 30, 2026
TCG CROSSOVER MANAGEMENT, LLC
CIK 1839948
Shares
1.79M
Value
27.49M
Filed
Jun 30, 2026
ALYESKA INVESTMENT GROUP, L.P.
CIK 1453072
Shares
1.65M
Value
25.30M
Filed
Jun 30, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
1.51M
Value
23.15M
Filed
Jun 30, 2026
ECOR1 CAPITAL, LLC
CIK 1587114
Shares
1.47M
Value
33.95M
Filed
Jun 30, 2025
HOLOCENE ADVISORS, LP
CIK 1700574
Shares
1.33M
Value
71.30M
Filed
Dec 31, 2024
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.33M
Value
20.44M
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
1.26M
Value
19.43M
Filed
Jun 30, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
1.21M
Value
18.54M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | RA CAPITAL MANAGEMENT, L.P. | 1346824 | 11.19M | 171.87M | Jun 30, 2026 |
| 2 | BLACKROCK, INC. | 2012383 | 6.13M | 94.23M | Jun 30, 2026 |
| 3 | JANUS HENDERSON GROUP LTD. | 1274173 | 4.20M | 58.28M | Mar 31, 2026 |
| 4 | PROSIGHT MANAGEMENT, LP | 1617201 | 3.80M | 58.44M | Jun 30, 2026 |
| 5 | STATE STREET CORP | 93751 | 3M | 46.16M | Jun 30, 2026 |
| 6 | PARADIGM BIOCAPITAL ADVISORS LP | 1855655 | 2.92M | 71.37M | Sep 30, 2025 |
| 7 | VANGUARD GROUP INC | 102909 | 2.91M | 40.11M | Dec 31, 2025 |
| 8 | FMR LLC | 315066 | 2.41M | 37.06M | Jun 30, 2026 |
| 9 | FEDERATED HERMES, INC. | 1056288 | 2.35M | 36.14M | Jun 30, 2026 |
| 10 | BLACKROCK FINANCE, INC. | 1364742 | 2.34M | 98.19M | Jun 30, 2024 |
| 11 | POINT72 ASSET MANAGEMENT, L.P. | 1603466 | 1.99M | 30.63M | Jun 30, 2026 |
| 12 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.86M | 28.53M | Jun 30, 2026 |
| 13 | TCG CROSSOVER MANAGEMENT, LLC | 1839948 | 1.79M | 27.49M | Jun 30, 2026 |
| 14 | ALYESKA INVESTMENT GROUP, L.P. | 1453072 | 1.65M | 25.30M | Jun 30, 2026 |
| 15 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 1.51M | 23.15M | Jun 30, 2026 |
| 16 | ECOR1 CAPITAL, LLC | 1587114 | 1.47M | 33.95M | Jun 30, 2025 |
| 17 | HOLOCENE ADVISORS, LP | 1700574 | 1.33M | 71.30M | Dec 31, 2024 |
| 18 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.33M | 20.44M | Jun 30, 2026 |
| 19 | CITADEL ADVISORS LLC | 1423053 | 1.26M | 19.43M | Jun 30, 2026 |
| 20 | TWO SIGMA INVESTMENTS, LP | 1179392 | 1.21M | 18.54M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.