NEW YORK, NY
DIANTHUS THERAPEUTICS, INC. /DE/DNTH— Latest position per institution from SEC 13F filings
15
Institutional holders
52.15M
Total shares held
3.55B
Estimated value
2.61M
Avg. position size
FMR LLC
CIK 315066
Shares
8.20M
Value
799.33M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
4.12M
Value
401.99M
Filed
Jun 30, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
CIK 1081019
Shares
4.10M
Value
42.06K
Filed
Jun 30, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
3.89M
Value
379.05K
Filed
Jun 30, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
3.23M
Value
314.85M
Filed
Jun 30, 2026
RA CAPITAL MANAGEMENT, L.P.
CIK 1346824
Shares
2.61M
Value
219.18M
Filed
Mar 31, 2026
FAIRMOUNT FUNDS MANAGEMENT LLC
CIK 1802528
Shares
2.54M
Value
247.33M
Filed
Jun 30, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
2.51M
Value
245.16K
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
2.36M
Value
229.80M
Filed
Jun 30, 2026
DEEP TRACK CAPITAL, LP
CIK 1856083
Shares
2.23M
Value
41.60M
Filed
Jun 30, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.16M
Value
210.51M
Filed
Jun 30, 2026
AVIDITY PARTNERS MANAGEMENT LP
CIK 1791827
Shares
2.10M
Value
205.12M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
2.05M
Value
84.42M
Filed
Dec 31, 2025
OCTAGON CAPITAL ADVISORS LP
CIK 1839435
Shares
1.84M
Value
179.53M
Filed
Jun 30, 2026
TCG CROSSOVER MANAGEMENT, LLC
CIK 1839948
Shares
1.68M
Value
163.44M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
1.60M
Value
41.50M
Filed
Jun 30, 2024
FRED ALGER MANAGEMENT, LLC
CIK 3520
Shares
1.30M
Value
126.97M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.26M
Value
122.70M
Filed
Jun 30, 2026
VENROCK ADVISER, LLC
CIK 1615982
Shares
1.18M
Value
115.03M
Filed
Jun 30, 2026
VESTAL POINT CAPITAL, LP
CIK 1974915
Shares
1.18M
Value
46.43M
Filed
Sep 30, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | FMR LLC | 315066 | 8.20M | 799.33M | Jun 30, 2026 |
| 2 | BLACKROCK, INC. | 2012383 | 4.12M | 401.99M | Jun 30, 2026 |
| 3 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | 4.10M | 42.06K | Jun 30, 2026 |
| 4 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 3.89M | 379.05K | Jun 30, 2026 |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 3.23M | 314.85M | Jun 30, 2026 |
| 6 | RA CAPITAL MANAGEMENT, L.P. | 1346824 | 2.61M | 219.18M | Mar 31, 2026 |
| 7 | FAIRMOUNT FUNDS MANAGEMENT LLC | 1802528 | 2.54M | 247.33M | Jun 30, 2026 |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 2.51M | 245.16K | Jun 30, 2026 |
| 9 | STATE STREET CORP | 93751 | 2.36M | 229.80M | Jun 30, 2026 |
| 10 | DEEP TRACK CAPITAL, LP | 1856083 | 2.23M | 41.60M | Jun 30, 2025 |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.16M | 210.51M | Jun 30, 2026 |
| 12 | AVIDITY PARTNERS MANAGEMENT LP | 1791827 | 2.10M | 205.12M | Jun 30, 2026 |
| 13 | VANGUARD GROUP INC | 102909 | 2.05M | 84.42M | Dec 31, 2025 |
| 14 | OCTAGON CAPITAL ADVISORS LP | 1839435 | 1.84M | 179.53M | Jun 30, 2026 |
| 15 | TCG CROSSOVER MANAGEMENT, LLC | 1839948 | 1.68M | 163.44M | Jun 30, 2026 |
| 16 | BLACKROCK FINANCE, INC. | 1364742 | 1.60M | 41.50M | Jun 30, 2024 |
| 17 | FRED ALGER MANAGEMENT, LLC | 3520 | 1.30M | 126.97M | Jun 30, 2026 |
| 18 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.26M | 122.70M | Jun 30, 2026 |
| 19 | VENROCK ADVISER, LLC | 1615982 | 1.18M | 115.03M | Jun 30, 2026 |
| 20 | VESTAL POINT CAPITAL, LP | 1974915 | 1.18M | 46.43M | Sep 30, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.