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Arrowhead Pharmaceuticals, Inc.

ARWR
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0000879407

In the last 90 days, Arrowhead Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 2 sales; 501 institutions reported holding it in 13F filings for Q2 2026, worth $9.73B in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding Arrowhead Pharmaceuticals, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of ARWR: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders4375501+69
Shares120.8M1.46M119.3M−33.6K (0.0%)
Value$7.58B$91.6M$9.73B+$2.25B (+30.0%)

5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (127)

Institutions that held Arrowhead Pharmaceuticals, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Showing the largest 100 of 127 by value.

Institutions new to ARWR in Q2 2026
InstitutionSharesValue% of portfolio
Norges Bank3,896,536$317.6M0.03%
Jupiter Topco LLC1,221,596$99.6M0.04%
Holocene Advisors, LP1,106,177$90.2M0.21%
1832 Asset Management L.P.538,500$43.9M0.05%
HRT Financial LP498,655$40.6M0.07%
Millennium Management LLC329,337$26.8M0.02%
Artisan Partners Limited Partnership310,706$25.3M0.04%
Squarepoint Ops LLC255,907$20.9M0.04%
Life Cycle Investment Partners Ltd209,068$17.0M0.08%
Weiss Asset Management LP134,014$10.9M0.12%
Catalyst Funds Management Pty Ltd117,600$9.59M0.54%
Dorsey Wright & Associates97,466$7.94M1.35%
Keystone Investors Pte Ltd94,661$7.72M0.41%
Jain Global LLC61,895$5.05M0.06%
Ghisallo Capital Management LLC60,000$4.89M0.10%
Brevan Howard Capital Management LP58,923$4.80M0.07%
Treasurer of the State of North Carolina57,530$4.69M0.01%
Osterweis Capital Management Inc50,315$4.10M0.19%
Shay Capital LLC44,000$3.59M0.40%
Y-Intercept (Hong Kong) Ltd40,231$3.28M0.06%
StemPoint Capital LP39,198$3.20M0.55%
Public Employees Retirement System of Ohio38,507$3.14M0.01%
Ikarian Capital, LLC38,278$3.12M0.51%
Polymer Capital Management (HK) LTD36,800$3.00M0.30%
Alpine Global Management, LLC33,339$2.72M0.45%
XTX Topco Ltd28,590$2.33M0.03%
Mediolanum International Funds Ltd28,940$2.33M0.02%
Landscape Capital Management, L.L.C.25,623$2.09M0.14%
Jump Financial, LLC23,464$1.91M0.02%
Hussman Strategic Advisors, Inc.21,000$1.71M0.39%
LMR Partners LLP20,123$1.64M0.01%
CenterBook Partners LP19,728$1.61M0.08%
Atria Investments LLC18,578$1.51M0.02%
Evolutionary Tree Capital Management, LLC14,368$1.17M2.21%
VestGen Advisors, LLC13,126$1.07M0.03%
Jupiter Asset Management Ltd12,989$1.06M0.01%
Hollencrest Capital Management11,374$927.1K0.06%
Two Sigma Securities, LLC11,256$917.5K0.08%
Hanlon Investment Management, Inc.9,530$776.8K0.41%
Benjamin Edwards Inc8,841$720.6K0.01%
Diametric Capital, LP8,519$694.4K0.07%
Dark Forest Capital Management LP8,332$679.1K0.04%
Massachusetts Financial Services Co8,252$672.6K0.00%
Maryland State Retirement & Pension System7,403$603.4K0.01%
Utah Retirement Systems7,047$574.4K0.01%
Mitsubishi UFJ Trust & Banking Corp7,016$571.9K0.00%
Polen Capital Management LLC6,612$538.9K0.00%
Brown Miller Wealth Management, LLC6,269$511.0K0.13%
Axxcess Wealth Management, LLC6,269$511.0K0.01%
iA Global Asset Management Inc.6,130$500.0K0.01%
Qsemble Capital Management, LP5,639$459.6K0.06%
Global Retirement Partners, LLC5,498$448.1K0.01%
Arrowpoint Investment Partners (Singapore) Pte. Ltd.5,427$442.4K0.13%
Flagship Harbor Advisors, LLC5,111$416.6K0.02%
Sumitomo Mitsui Trust Holdings, Inc.5,016$408.9K0.00%
Jefferies Financial Group Inc.4,994$407.1K0.00%
Fox Run Management, L.L.C.4,890$398.6K0.07%
Blueshift Asset Management, LLC4,819$392.8K0.09%
Ausdal Financial Partners, Inc.4,725$385.1K0.02%
111 Capital4,587$373.9K0.06%
Advyzon Investment Management, LLC4,581$373.4K0.03%
Nykredit A/S4,500$366.8K0.00%
Fifth Third Wealth Advisors LLC4,181$340.8K0.01%
Wealth Quarterback LLC4,148$338.1K0.10%
North Dakota State Investment Board3,980$324.4K0.01%
Laurion Capital Management LP3,929$320.3K0.02%
Lido Advisors, LLC3,920$319.5K0.00%
Citizens Financial Group Inc3,794$309.2K0.00%
Gateway Investment Advisers LLC3,768$307.1K0.00%
Goldstein Advisors, LLC3,566$290.7K0.03%
Inspire Advisors, LLC3,408$277.1K0.02%
Bayesian Capital Management, LP3,300$269.0K0.17%
Strategy Asset Managers LLC3,175$258.8K0.04%
PDS Planning, Inc3,128$255.0K0.01%
Aigen Investment Management, LP3,022$246.3K0.07%
CoreCap Advisors, LLC3,000$244.5K0.01%
CAPROCK Group, Inc.2,985$243.3K0.00%
Syon Capital LLC2,946$240.1K0.01%
Glenmede Trust Co NA2,942$239.8K0.00%
PSP Research LLC2,600$211.9K0.11%
Headlands Technologies LLC2,595$211.5K0.02%
Wiley Bros.-Aintree Capital, LLC2,531$206.3K0.00%
Kestra Advisory Services, LLC2,520$205.4K0.00%
PEAK6 LLC2,500$203.8K0.00%
Concurrent Investment Advisors, LLC2,496$203.4K0.00%
FDx Advisors, Inc.2,494$203.0K0.06%
PFG Investments, LLC2,470$201.3K0.01%
Walleye Trading LLC2,375$193.6K0.00%
Compass Financial Management LLC2,000$179.2K0.02%
Harbor Investment Advisory, LLC1,285$104.7K0.01%
Clear Street Markets LLC971$79.1K0.02%
NBC Securities, Inc.776$63.3K0.00%
Allied Private Wealth LLC500$42.9K0.03%
Archer Investment Corp500$40.8K0.01%
BI Asset Management Fondsmaeglerselskab A/S435$35.0K0.00%
Institute for Wealth Management, LLC.280$22.8K0.00%
Johnson Financial Group, Inc.143$11.7K0.00%
Fulcrum Asset Management LLP128$10.3K0.00%
GW&K Investment Management, LLC105$9.00K0.00%
Accent Capital Management, LLC100$8.15K0.00%

Sold out (58)

Institutions that held Arrowhead Pharmaceuticals, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of ARWR in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
RTW Investments, LP585,682$36.7M
Canada Pension Plan Investment Board325,700$20.4M
Longaeva Partners L.P.194,589$12.2M
Schroder Investment Management Group162,005$9.34M
Citadel Advisors LLC98,194$6.16M
Bridgewater Associates, LP95,552$5.99M
Aquatic Capital Management LLC80,227$5.03M
PDT Partners, LLC70,048$4.39M
Quadrature Capital Ltd55,546$3.48M
Ishara Investments LP55,350$3.47M
Cinctive Capital Management LP49,068$3.08M
J. Goldman & Co LP41,210$2.58M
Intech Investment Management LLC35,848$2.25M
Diversified Trust Co34,553$2.17M
Sector Gamma AS30,000$1.88M
Soleus Capital Management, L.P.28,479$1.79M
FORA Capital, LLC23,625$1.48M
Campbell & CO Investment Adviser LLC18,936$1.19M
Farallon Capital Management, L.L.C.15,800$990.7K
Capstone Capital Management Ltd15,740$986.9K
Prelude Capital Management, LLC15,217$954.1K
Sierra Summit Advisors LLC14,353$899.9K
Havemeyer Place LP13,276$832.4K
Elo Mutual Pension Insurance Co12,208$765.4K
Ares Systematic Credit Ltd13,169$759.2K
Fieldview Capital Management, LLC11,555$724.5K
Cypress Point Wealth Management, LLC11,200$702.2K
Entropy Technologies, LP10,620$665.9K
Three Seasons Wealth, LLC9,315$584.1K
Gsa Capital Partners LLP8,865$556.0K
Seven Grand Managers, LLC7,500$470.3K
Aviva PLC7,294$457.3K
EntryPoint Capital, LLC7,248$454.4K
Quarry LP6,750$423.2K
Velan Capital Investment Management LP6,500$407.6K
Integrated Quantitative Investments LLC5,842$366.3K
Janney Montgomery Scott LLC4,296$269.0K
Mangrove Partners3,797$238.1K
Perbak Capital Partners LLP3,657$229.3K
International Assets Investment Management, LLC3,413$214.7K
Alvarez & Marsal Private Wealth Partners, LLC3,215$201.6K
Kemnay Advisory Services Inc.998$62.6K
Optiver Holding B.V.408$25.6K
Sound Income Strategies, LLC393$24.7K
Lloyd Advisory Services, LLC.311$19.5K
Kingdom Financial Group LLC.311$19.5K
Twin Peaks Wealth Advisors, LLC168$10.5K
Quest 10 Wealth Builders, Inc.104$6.52K
Matrix Trust Co100$6.00K
Tradewinds Capital Management, LLC90$5.64K
Annis Gardner Whiting Capital Advisors, LLC80$5.02K
Strategic Wealth Partners, Ltd.70$4.39K
Elequin Capital LP59$3.70K
Networth Advisors, LLC51$3.20K
Key Capital Management, INC40$2.51K
Kilter Group LLC32$2.01K
Basecamp Wealth Advisors LLC29$1.82K
Innovative Asset Advisors Group, LLC19$1.19K

Not filed for Q2 2026 yet (5)

Institutions that held Arrowhead Pharmaceuticals, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ARWR in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Janus Henderson Group PLC1,436,990$90.1M
CWM, LLC12,004$752.7K
Skopos Labs, Inc.6,582$412.7K
Journey Strategic Wealth LLC4,546$285.0K
Arcadia Investment Management Corp100$6.27K