PASADENA, CA
ARROWHEAD PHARMACEUTICALS, INC.ARWR— Latest position per institution from SEC 13F filings
15
Institutional holders
114.92M
Total shares held
7.89B
Estimated value
5.75M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
15.68M
Value
407.61M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
15.29M
Value
1.02B
Filed
Dec 31, 2025
BLACKROCK, INC.
CIK 2012383
Shares
14.83M
Value
1.21B
Filed
Jun 30, 2026
AVORO CAPITAL ADVISORS LLC
CIK 1633313
Shares
11.36M
Value
925.59M
Filed
Jun 30, 2026
FMR LLC
CIK 315066
Shares
8.04M
Value
655.32M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
6.35M
Value
517.70M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
6.11M
Value
498.10M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
5.69M
Value
464.17M
Filed
Jun 30, 2026
ARTAL GROUP S.A.
CIK 1053906
Shares
4.19M
Value
108.88M
Filed
Jun 30, 2024
NORGES BANK
CIK 1374170
Shares
3.90M
Value
317.61M
Filed
Jun 30, 2026
INVESCO LTD.
CIK 914208
Shares
3.88M
Value
316.58M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
3.53M
Value
298.81M
Filed
Jun 30, 2026
FRED ALGER MANAGEMENT, LLC
CIK 3520
Shares
3.30M
Value
269.14M
Filed
Jun 30, 2026
SLATE PATH CAPITAL LP
CIK 1559706
Shares
2.52M
Value
167.54M
Filed
Dec 31, 2025
BAKER BROS. ADVISORS LP
CIK 1263508
Shares
1.99M
Value
162.43M
Filed
Jun 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
1.89M
Value
153.95M
Filed
Jun 30, 2026
SIREN, L.L.C.
CIK 2005245
Shares
1.72M
Value
139.83M
Filed
Jun 30, 2026
CREDIT SUISSE AG/
CIK 824468
Shares
1.63M
Value
46.52M
Filed
Mar 31, 2024
VESTAL POINT CAPITAL, LP
CIK 1974915
Shares
1.57M
Value
128.38M
Filed
Jun 30, 2026
JANUS HENDERSON GROUP LTD.
CIK 1274173
Shares
1.44M
Value
90.12M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 15.68M | 407.61M | Jun 30, 2024 |
| 2 | VANGUARD GROUP INC | 102909 | 15.29M | 1.02B | Dec 31, 2025 |
| 3 | BLACKROCK, INC. | 2012383 | 14.83M | 1.21B | Jun 30, 2026 |
| 4 | AVORO CAPITAL ADVISORS LLC | 1633313 | 11.36M | 925.59M | Jun 30, 2026 |
| 5 | FMR LLC | 315066 | 8.04M | 655.32M | Jun 30, 2026 |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 6.35M | 517.70M | Jun 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 6.11M | 498.10M | Jun 30, 2026 |
| 8 | STATE STREET CORP | 93751 | 5.69M | 464.17M | Jun 30, 2026 |
| 9 | ARTAL GROUP S.A. | 1053906 | 4.19M | 108.88M | Jun 30, 2024 |
| 10 | NORGES BANK | 1374170 | 3.90M | 317.61M | Jun 30, 2026 |
| 11 | INVESCO LTD. | 914208 | 3.88M | 316.58M | Jun 30, 2026 |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 3.53M | 298.81M | Jun 30, 2026 |
| 13 | FRED ALGER MANAGEMENT, LLC | 3520 | 3.30M | 269.14M | Jun 30, 2026 |
| 14 | SLATE PATH CAPITAL LP | 1559706 | 2.52M | 167.54M | Dec 31, 2025 |
| 15 | BAKER BROS. ADVISORS LP | 1263508 | 1.99M | 162.43M | Jun 30, 2026 |
| 16 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 1.89M | 153.95M | Jun 30, 2026 |
| 17 | SIREN, L.L.C. | 2005245 | 1.72M | 139.83M | Jun 30, 2026 |
| 18 | CREDIT SUISSE AG/ | 824468 | 1.63M | 46.52M | Mar 31, 2024 |
| 19 | VESTAL POINT CAPITAL, LP | 1974915 | 1.57M | 128.38M | Jun 30, 2026 |
| 20 | JANUS HENDERSON GROUP LTD. | 1274173 | 1.44M | 90.12M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.