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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.

Q4 2025 vs. Q3 2025

How the institutions holding Arrowhead Pharmaceuticals, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of ARWR: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders3032401+100
Shares110.9M12.9K116.0M+5.08M (+4.6%)
Value$3.83B$445.1K$7.70B+$3.88B (+101.3%)

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 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 Q4 2025 but not at the end of Q3 2025.

Showing the largest 100 of 127 by value.

Institutions new to ARWR in Q4 2025
InstitutionSharesValue% of portfolio
Norges Bank1,704,464$113.2M0.01%
Vestal Point Capital, LP900,000$59.8M2.19%
RTW Investments, LP584,716$38.8M0.39%
Adage Capital Partners GP, L.L.C.550,000$36.5M0.06%
Summit Partners Public Asset Management, LLC470,000$31.2M0.88%
Alyeska Investment Group, L.P.375,371$24.9M0.07%
Eventide Asset Management, LLC370,000$24.6M0.38%
FengHe Fund Management Pte. Ltd.266,700$17.7M1.00%
Trexquant Investment LP250,944$16.7M0.15%
Hillsdale Investment Management Inc.193,850$12.9M0.36%
Skandinaviska Enskilda Banken AB (publ)159,532$10.6M0.04%
Rhenman & Partners Asset Management AB144,500$9.59M0.90%
WCM Investment Management, LLC138,905$9.34M0.02%
Weiss Asset Management LP111,375$7.39M0.10%
ACT Capital Management, LLC75,000$4.98M4.03%
Affinity Asset Advisors, LLC70,000$4.65M0.33%
Bridgewater Associates, LP59,966$3.98M0.01%
Keystone Investors Pte Ltd57,900$3.84M0.35%
TD Asset Management Inc55,800$3.70M0.00%
Orion Investment Co46,370$3.08M0.94%
Caption Management, LLC44,900$2.98M0.13%
Voleon Capital Management LP42,523$2.82M0.06%
State of New Jersey Common Pension Fund D42,471$2.82M0.01%
Nomura Asset Management International Inc.40,129$2.66M0.00%
Magnetar Financial LLC39,901$2.65M0.03%
EP Wealth Advisors, LLC38,683$2.57M0.01%
Fideuram - Intesa Sanpaolo Private Banking S.P.A.38,647$2.57M0.09%
SBI Okasan Asset Management Co.Ltd.36,500$2.54M0.14%
Edgestream Partners, L.P.36,481$2.42M0.07%
Panagora Asset Management Inc35,955$2.39M0.01%
Kornitzer Capital Management Inc35,780$2.38M0.05%
Fieldview Capital Management, LLC31,665$2.10M0.36%
Canada Pension Plan Investment Board28,600$1.90M0.00%
Sanctuary Advisors, LLC27,347$1.82M0.01%
Vestmark Advisory Solutions, Inc.21,285$1.41M0.02%
B. Metzler seel. Sohn & Co. AG20,695$1.37M0.01%
Engineers Gate Manager LP19,772$1.31M0.02%
Bank of Hawaii19,218$1.28M0.06%
Cinctive Capital Management LP16,110$1.07M0.06%
Acadian Asset Management LLC15,306$1.01M0.00%
Baader Bank INC14,194$912.0K0.08%
VestGen Advisors, LLC12,312$817.4K0.03%
Lynx1 Capital Management LP12,043$799.5K0.16%
O'Neil Global Advisors, Inc.12,037$799.1K0.27%
Stifel Financial Corp11,811$784.1K0.00%
Man Group plc11,552$766.9K0.00%
Bellevue Group AG11,550$766.8K0.01%
Cypress Point Wealth Management, LLC11,200$743.6K0.16%
FORA Capital, LLC11,000$730.3K0.09%
Horizon Investments, LLC10,698$710.2K0.01%
Abel Hall, LLC8,819$585.5K0.14%
CIBC World Markets Corp8,780$582.9K0.00%
Sagewood Asset Management LP8,400$557.7K0.20%
American Century Companies Inc7,742$514.0K0.00%
Allspring Global Investments Holdings, LLC7,277$493.3K0.00%
Cambridge Investment Research Advisors, Inc.7,046$468.0K0.00%
RSM US Wealth Management LLC6,688$449.8K0.01%
Cetera Investment Advisers6,697$444.6K0.00%
PSP Research LLC6,689$444.1K0.39%
Truist Financial Corp6,307$418.7K0.00%
Merit Financial Group, LLC6,303$418.5K0.00%
Parkway Wealth Management Group, LLC6,235$413.9K0.06%
Evergreen Capital Management LLC6,229$413.5K0.01%
Fermata Advisors, LLC6,000$398.3K0.10%
Swiss Life Asset Management Ltd5,798$384.9K0.00%
Two Sigma Securities, LLC5,701$378.5K0.05%
Pallas Capital Advisors LLC5,699$378.4K0.01%
Jane Street Group, LLC5,671$376.5K0.00%
Financial Enhancement Group LLC5,525$373.5K0.05%
Mercer Global Advisors Inc5,300$351.9K0.00%
Sage Rhino Capital LLC5,236$347.6K0.07%
Skopos Labs, Inc.4,808$334.7K0.02%
EntryPoint Capital, LLC4,961$329.4K0.13%
Shelton Capital Management4,765$316.3K0.01%
Marex Group plc4,687$311.2K0.00%
Everence Capital Management Inc4,483$298.0K0.02%
Journey Strategic Wealth LLC4,474$297.0K0.01%
Grimes & Company, Inc.4,440$294.8K0.01%
Graham Capital Management, L.P.4,209$279.4K0.01%
Ieq Capital, LLC4,144$275.1K0.00%
Dynamic Technology Lab Private Ltd4,080$271.0K0.06%
Vise Technologies, Inc.4,038$268.1K0.01%
Lighthouse Investment Partners, LLC4,000$265.6K0.01%
Elgethun Capital Management4,000$265.6K0.05%
Ritholtz Wealth Management3,948$262.1K0.00%
Osher Van de Voorde Investment Management3,750$249.0K0.05%
Morton Capital Management LLC3,726$247.3K0.04%
Caxton Associates LLP3,710$246.3K0.00%
Coldstream Capital Management Inc3,673$243.9K0.00%
Sequoia Financial Advisors, LLC3,638$241.5K0.00%
Scotia Capital Inc.3,482$231.2K0.00%
Credit Agricole S A3,465$230.0K0.00%
Highland Capital Management, LLC3,453$229.2K0.01%
Pinnacle Wealth Planning Services, Inc.3,344$222.0K0.02%
Citizens Financial Group Inc3,279$217.7K0.00%
Summit Trail Advisors, LLC3,164$210.1K0.00%
Global Assets Advisory, LLC3,148$209.0K0.06%
PDS Planning, Inc3,091$205.2K0.01%
Kestra Advisory Services, LLC2,175$144.4K0.00%
Havemeyer Place LP1,658$110.1K0.02%

Sold out (27)

Institutions that held Arrowhead Pharmaceuticals, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of ARWR in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Johnson & Johnson247,598$8.54M
Longaeva Partners L.P.125,673$4.33M
Hudson Bay Capital Management LP90,000$3.10M
Alps Advisors Inc65,204$2.25M
Jain Global LLC53,957$1.86M
Nomura Holdings Inc39,218$1.35M
Capital Fund Management S.A.35,140$1.21M
Toroso Investments, LLC34,118$1.18M
Verition Fund Management LLC33,203$1.15M
Cantor Fitzgerald, L. P.19,500$672.6K
Sphera Funds Management Ltd.12,496$431.0K
Advantage Alpha Capital Partners LP11,780$406.3K
Arrowroot Family Office, LLC11,300$389.7K
NJ State Employees Deferred Compensation Plan10,500$362.1K
Pale Fire Capital SE10,123$349.1K
Aigen Investment Management, LP7,548$260.3K
Integrated Wealth Concepts LLC6,577$226.8K
MBE Wealth Management, LLC6,368$219.6K
Walleye Trading LLC6,233$215.0K
Group One Trading, L.P.2,651$91.4K
Wealthspire Advisors, LLC1,496$51.6K
Manchester Capital Management LLC979$33.8K
ISAM Funds (UK) Ltd834$28.8K
NBC Securities, Inc.305$10.5K
Advisory Services Network, LLC76$2.62K
Principal Securities, Inc.52$1.79K
Huntington National Bank18$621

Not filed for Q4 2025 yet (2)

Institutions that held Arrowhead Pharmaceuticals, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ARWR in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
CIBC Bancorp USA Inc.12,860$443.5K
Guerra Advisors Inc45$1.55K