ARROWHEAD PHARMACEUTICALS IN COM is a security (CUSIP 04280A100) tracked across SEC portfolio filings. 488 institutional managers reported $7.6B on Form 13F as of 2026-06-30; 49 registered fund positions totaling $854.1M via N-PORT as of 2026-05-31.
Showing 15 of 488 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| BlackRock, Inc. | New York, NY | $1.1B | 18,161,519 |
| VANGUARD GROUP INC | Valley Forge, PA | $1.0B | 15,293,121 |
| Avoro Capital Advisors LLC | New York, NY | $670.9M | 10,699,999 |
| FMR LLC | BOSTON, MA | $455.6M | 7,266,652 |
| STATE STREET CORP | BOSTON, MA | $407.3M | 6,496,130 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $274.5M | 4,278,828 |
| FRED ALGER MANAGEMENT, LLC | NEW YORK, NY | $209.6M | 3,342,493 |
| Vestal Point Capital, LP | NEW YORK, NY | $142.6M | 2,275,000 |
| BAKER BROS. ADVISORS LP | NEW YORK, NY | $124.9M | 1,992,783 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $115.1M | 378,833 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $109.1M | 1,739,923 |
| NORTHERN TRUST CORP | CHICAGO, IL | $103.8M | 1,655,837 |
| Siren, L.L.C. | New York, NY | $101.3M | 1,615,476 |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | New York, NY | $98.6M | 1,573,297 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $90.1M | 1,436,990 |
Showing 15 of 49 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $264.7M | 109.30% |
| Fidelity Growth Company Fund | Fidelity Mt. Vernon Street Trust | $184.1M | 18.63% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $98.0M | 12.02% |
| ALGER FOCUS EQUITY FUND | ALGER INSTITUTIONAL FUNDS | $60.9M | 99.72% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $54.1M | 30.89% |
| ALGER SPECTRA FUND | ALGER FUNDS II | $35.6M | 82.91% |
| VANGUARD EXPLORER FUND | VANGUARD EXPLORER FUND | $20.6M | 9.48% |
| T. Rowe Price Health Sciences Fund, Inc. | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $18.9M | 17.34% |
| LORD ABBETT DEVELOPING GROWTH FUND INC | LORD ABBETT DEVELOPING GROWTH FUND, INC. | $16.4M | 74.08% |
| VANGUARD STRATEGIC EQUITY FUND | VANGUARD HORIZON FUNDS | $14.3M | 14.16% |
| abrdn Healthcare Investors | abrdn Healthcare Investors | $13.8M | 121.71% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $13.7M | 28.44% |
| abrdn Life Sciences Investors | abrdn Life Sciences Investors | $9.0M | 160.17% |
| Columbia Mid Cap Index Fund | COLUMBIA FUNDS SERIES TRUST | $7.8M | 30.67% |
| VOYA SMALL COMPANY PORTFOLIO | Voya VARIABLE PORTFOLIOS INC | $5.8M | 316.45% |