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ARWR

Arrowhead Pharmaceuticals, Inc.
$83.99 +3.55 (+4.41%) At close · Jul 2
Market Cap
$11.83B
Shares
140,857,021

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 442
Total Value: $7,279,477,473
Total Shares: 116,099,852
Showing 1–100 of 459 holdings by value · page 1 of 5

Institutional Ownership Trend

26 quarters

Superinvestors Holding ARWR

All superinvestors →
Ray Dalio $5,991,110 Joel Greenblatt $2,393,133

Holder Concentration

Across 442 13F filers
Top Holder
15.6%
Jun 2023 → Mar 2026 · range 15.6% – 18.8%
of institutional value
Top 5
41.9%
Jun 2023 → Mar 2026 · range 41.9% – 53.5%
of institutional value
Top 10
55.0%
Jun 2023 → Mar 2026 · range 55.0% – 68.6%
of institutional value
HHI
496
Jun 2023 → Mar 2026 · range 496 – 772
Broadly held
Showing 100 of 459
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $1,138,727,234 15.64% 18,161,519
Large Avoro Capital Advisors LLC $670,889,937 9.22% 10,699,999
Mega FMR LLC $455,619,078 6.26% 7,266,652
Mega STATE STREET CORP $407,307,351 5.60% 6,496,130
Mega VANGUARD CAPITAL MANAGEMENT LLC $378,232,483 5.20% 6,032,416
Mega GEODE CAPITAL MANAGEMENT, LLC $268,282,515 3.69% 4,278,828
Large FRED ALGER MANAGEMENT, LLC $209,574,311 2.88% 3,342,493
Mega Invesco Ltd. $205,696,563 2.83% 3,280,647
Mid Vestal Point Capital, LP $142,642,500 1.96% 2,275,000
Large BAKER BROS. ADVISORS LP $124,947,494 1.72% 1,992,783
Mega GOLDMAN SACHS GROUP INC $109,093,171 1.50% 1,739,923
Mega NORTHERN TRUST CORP Bank $103,820,978 1.43% 1,655,837
Mid Siren, L.L.C. $101,290,345 1.39% 1,615,476
Mid DEERFIELD MANAGEMENT COMPANY, L.P. $98,645,721 1.36% 1,573,297
Mega JANUS HENDERSON GROUP PLC $90,099,272 1.24% 1,436,990
Mega UBS Group AG $83,784,190 1.15% 1,336,271
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $83,453,446 1.15% 1,330,996
Large Pictet Asset Management Holding SA $79,833,778 1.10% 1,273,266
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $74,743,729 1.03% 1,192,085
Large Driehaus Capital Management LLC $74,634,004 1.03% 1,190,335
Mega D. E. Shaw & Co., Inc. $74,226,642 1.02% 1,183,838
Mega Fisher Asset Management, LLC $69,820,713 0.96% 1,113,568
Mega BANK OF AMERICA CORP /DE/ Bank $66,741,326 0.92% 1,064,455
Mid Hood River Capital Management LLC $66,244,681 0.91% 1,056,534
Mega PRICE T ROWE ASSOCIATES INC /MD/ $65,441,996 0.90% 1,043,732
Large RENAISSANCE TECHNOLOGIES LLC $64,988,236 0.89% 1,036,495
Mega VANGUARD FIDUCIARY TRUST CO Bank $60,554,092 0.83% 965,775
Mega MORGAN STANLEY $60,223,782 0.83% 960,507
Mega Bank of New York Mellon Corp Bank $60,201,024 0.83% 960,144
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $58,618,230 0.81% 934,900
Large Connor, Clark & Lunn Investment Management Ltd. $52,478,708 0.72% 836,981
Small Western Financial Corp/CA $51,428,985 0.71% 820,239
Mega JPMORGAN CHASE & CO $42,828,360 0.59% 683,068
Large VOYA INVESTMENT MANAGEMENT LLC $41,139,286 0.57% 656,129
Mega AMERICAN CENTURY COMPANIES INC $40,851,808 0.56% 651,544
Mega BNP PARIBAS ARBITRAGE, SA $40,792,557 0.56% 650,599
Mega DIMENSIONAL FUND ADVISORS LP $38,154,892 0.52% 608,531
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $36,812,737 0.51% 587,125
Large RTW INVESTMENTS, LP $36,722,261 0.50% 585,682
Mid SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC $33,867,028 0.47% 540,144
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $32,773,290 0.45% 522,700
Mega Nuveen, LLC $31,339,779 0.43% 499,837
Mega PRINCIPAL FINANCIAL GROUP INC $30,730,649 0.42% 490,122
Large Alyeska Investment Group, L.P. $29,648,949 0.41% 472,870
Mega FRANKLIN RESOURCES INC $29,011,726 0.40% 462,707
Large PANAGORA ASSET MANAGEMENT INC $28,916,801 0.40% 461,193
Mega RHUMBLINE ADVISERS $25,358,137 0.35% 404,436
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $23,752,829 0.33% 378,833
Mid EVENTIDE ASSET MANAGEMENT, LLC $23,199,000 0.32% 370,000
Small Privium Fund Management B.V. $23,006,887 0.32% 366,936
Large Aberdeen Group plc $22,821,044 0.31% 363,972
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $20,421,390 0.28% 325,700
Large LORD, ABBETT & CO. LLC $19,614,064 0.27% 312,824
Mega NORDEA INVESTMENT MANAGEMENT AB $19,213,724 0.26% 306,439
Mid Integral Health Asset Management, LLC $18,810,000 0.26% 300,000
Mega ALLIANCEBERNSTEIN L.P. $17,580,703 0.24% 280,394
Large Trexquant Investment LP $17,375,047 0.24% 277,114
Mega DEUTSCHE BANK AG\ Bank $16,299,678 0.22% 259,963
Mega California Public Employees Retirement System Pension $16,122,239 0.22% 257,133
Mega CITIGROUP INC $15,773,313 0.22% 251,568
Mega Swiss National Bank Bank $15,173,400 0.21% 242,000
Mega Legal & General Group Plc $14,364,381 0.20% 229,097
Large Balyasny Asset Management L.P. $12,942,032 0.18% 206,412
Mega NEUBERGER BERMAN GROUP LLC $12,785,407 0.18% 203,914
Large SEI INVESTMENTS CO $12,741,893 0.18% 203,220
Mega Clearbridge Investments, LLC $12,687,156 0.17% 202,347
Large Woodline Partners LP $12,551,536 0.17% 200,184
Mid Affinity Asset Advisors, LLC $12,540,000 0.17% 200,000
Mid Longaeva Partners L.P. $12,200,730 0.17% 194,589
Mega AMERIPRISE FINANCIAL INC $11,979,084 0.16% 191,054
Mega CITADEL ADVISORS LLC $11,724,900 0.16% 187,000
Mid MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC $11,555,860 0.16% 184,304
Mega RAYMOND JAMES FINANCIAL INC $11,446,196 0.16% 182,555
Large MARSHALL WACE, LLP $11,259,226 0.15% 179,573
Mid PINNACLE ASSOCIATES LTD $11,001,091 0.15% 175,456
Large Russell Investments Group, Ltd. $10,909,484 0.15% 173,995
Large Retirement Systems of Alabama Pension $10,763,834 0.15% 171,672
Large WCM INVESTMENT MANAGEMENT, LLC $10,757,752 0.15% 171,575
Mega AQR CAPITAL MANAGEMENT LLC $10,484,066 0.14% 167,210
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $10,157,712 0.14% 162,005
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $10,058,459 0.14% 160,422
Mega WELLS FARGO & COMPANY/MN $9,931,554 0.14% 158,398
Large SEB Asset Management AB $9,919,453 0.14% 158,205
Mega JANE STREET GROUP, LLC $9,731,040 0.13% 155,200
Mega HSBC HOLDINGS PLC $9,470,584 0.13% 151,046
Large TORONTO DOMINION BANK Bank $9,422,430 0.13% 150,278
Mid SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC $9,405,000 0.13% 150,000
Mega FIRST TRUST ADVISORS LP $9,351,579 0.13% 149,148
Large HighTower Advisors, LLC $9,183,167 0.13% 146,462
Small Rhenman & Partners Asset Management AB $9,060,150 0.12% 144,500
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $9,048,425 0.12% 144,313
Small WEALTH EFFECTS LLC $8,984,910 0.12% 143,300
Large MetLife Investment Management, LLC $8,803,330 0.12% 140,404
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $8,752,793 0.12% 139,598
Large Empowered Funds, LLC $8,603,693 0.12% 137,220
Large BANK OF NOVA SCOTIA Bank $8,524,692 0.12% 135,960
Mega LPL Financial LLC $8,119,587 0.11% 129,499
Small Tetragon Partners GP Ltd $7,975,314 0.11% 127,198
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension $7,828,283 0.11% 124,853
Large Universal- Beteiligungs- und Servicegesellschaft mbH $7,538,922 0.10% 120,238
Key facts CIK 879407 CUSIP 04280A100 13F (30d) 21 filings 7 filers Visit website Investor relations

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