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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.

13F holders, Q2 2026

Institutional positions in Arrowhead Pharmaceuticals, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
501
+69 vs. Q1 2026
Shares held
119.3M
−33.6K (0.0%) vs. Q1 2026
Total value
$9.73B
+$2.25B (+30.0%) vs. Q1 2026
New holders
127
153 more added
Sold out
58
158 more reduced

5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ARWR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 501 institutions
Q1 2021: 289 institutionsQ2 2021: 314 institutionsQ3 2021: 297 institutionsQ4 2021: 311 institutionsQ1 2022: 307 institutionsQ2 2022: 279 institutionsQ3 2022: 278 institutionsQ4 2022: 282 institutionsQ1 2023: 257 institutionsQ2 2023: 274 institutionsQ3 2023: 257 institutionsQ4 2023: 266 institutionsQ1 2024: 273 institutionsQ2 2024: 272 institutionsQ3 2024: 272 institutionsQ4 2024: 269 institutionsQ1 2025: 264 institutionsQ2 2025: 281 institutionsQ3 2025: 303 institutionsQ4 2025: 401 institutionsQ1 2026: 437 institutionsQ2 2026: 501 institutions
Value heldQ2 2026: $9.73B
Q1 2021: $4.55BQ2 2021: $5.54BQ3 2021: $4.16BQ4 2021: $4.51BQ1 2022: $3.19BQ2 2022: $2.54BQ3 2022: $2.35BQ4 2022: $2.97BQ1 2023: $1.85BQ2 2023: $2.57BQ3 2023: $2.01BQ4 2023: $2.37BQ1 2024: $2.76BQ2 2024: $2.54BQ3 2024: $1.90BQ4 2024: $1.88BQ1 2025: $1.34BQ2 2025: $1.67BQ3 2025: $3.83BQ4 2025: $7.70BQ1 2026: $7.58BQ2 2026: $9.73B
Institutions holding ARWR and their total value by quarter
QuarterHoldersValue
Q2 2026501$9.73B
Q1 2026437$7.58B
Q4 2025401$7.70B
Q3 2025303$3.83B
Q2 2025281$1.67B
Q1 2025264$1.34B
Q4 2024269$1.88B
Q3 2024272$1.90B
Q2 2024272$2.54B
Q1 2024273$2.76B
Q4 2023266$2.37B
Q3 2023257$2.01B
Q2 2023274$2.57B
Q1 2023257$1.85B
Q4 2022282$2.97B
Q3 2022278$2.35B
Q2 2022279$2.54B
Q1 2022307$3.19B
Q4 2021311$4.51B
Q3 2021297$4.16B
Q2 2021314$5.54B
Q1 2021289$4.55B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Arrowhead Pharmaceuticals, Inc.; share changes are against Q1 2026.

Institutions holding ARWR in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Mercer Global Advisors Inc5,984$487.8K0.00%−332−5.3%Reduced
E Fund Management Co., Ltd.5,841$476.1K0.01%−4,159−41.6%Reduced
MML Investors Services, LLC5,747$468.4K0.00%+2,550+79.8%Added
Nisa Investment Advisors, LLC5,679$462.9K0.00%−529−8.5%Reduced
Qsemble Capital Management, LP5,639$459.6K0.06%+5,639New
DnB Asset Management AS5,560$453.2K0.00%−927−14.3%Reduced
Financial Enhancement Group LLC5,500$448.3K0.05%00.0%Unchanged
Global Retirement Partners, LLC5,498$448.1K0.01%+5,498New
Arrowpoint Investment Partners (Singapore) Pte. Ltd.5,427$442.4K0.13%+5,427New
Rockefeller Capital Management L.P.5,298$431.8K0.00%+3,980+302.0%Added
Tema ETFs LLC5,263$429.0K0.01%−3,707−41.3%Reduced
Blackstone Group Inc.5,159$420.5K0.00%−7,637−59.7%Reduced
Inceptionr LLC5,138$418.8K0.10%−1,653−24.3%Reduced
Flagship Harbor Advisors, LLC5,111$416.6K0.02%+5,111New
Sumitomo Mitsui Trust Holdings, Inc.5,016$408.9K0.00%+5,016New
Jefferies Financial Group Inc.4,994$407.1K0.00%+4,994New
OP Asset Management Ltd4,914$400.5K0.00%−5,928−54.7%Reduced
Fox Run Management, L.L.C.4,890$398.6K0.07%+4,890New
Blueshift Asset Management, LLC4,819$392.8K0.09%+4,819New
QRG Capital Management, Inc.4,810$392.0K0.00%+317+7.1%Added
Ausdal Financial Partners, Inc.4,725$385.1K0.02%+4,725New
Hantz Financial Services, Inc.4,692$382.0K0.01%+2,085+80.0%Added
Pallas Capital Advisors LLC4,669$380.6K0.01%−59−1.2%Reduced
Vise Technologies, Inc.4,654$379.3K0.00%+616+15.3%Added
AlphaGrep UK Ltd4,599$374.9K0.11%−2,143−31.8%Reduced
111 Capital4,587$373.9K0.06%+4,587New
Advyzon Investment Management, LLC4,581$373.4K0.03%+4,581New
Clear Wave Wealth Management LLC4,526$368.9K0.08%+91+2.1%Added
Nykredit A/S4,500$366.8K0.00%+4,500New
Everence Capital Management Inc4,483$365.0K0.02%00.0%Unchanged
Shelton Capital Management4,460$363.5K0.01%00.0%Unchanged
CIBC Asset Management Inc4,331$353.0K0.00%+401+10.2%Added
Linden Thomas Advisory Services, LLC4,292$349.8K0.03%−44−1.0%Reduced
Fifth Third Wealth Advisors LLC4,181$340.8K0.01%+4,181New
State of Wyoming4,175$340.3K0.03%−34−0.8%Reduced
Wealth Quarterback LLC4,148$338.1K0.10%+4,148New
Grimes & Company, Inc.4,011$326.9K0.01%+6+0.1%Added
Elgethun Capital Management4,007$326.6K0.05%00.0%Unchanged
Johnson Investment Counsel Inc4,000$326.0K0.00%00.0%Unchanged
North Dakota State Investment Board3,980$324.4K0.01%+3,980New
Ritholtz Wealth Management3,978$324.2K0.00%−11−0.3%Reduced
Coldstream Capital Management Inc3,972$323.8K0.00%+311+8.5%Added
Laurion Capital Management LP3,929$320.3K0.02%+3,929New
Lido Advisors, LLC3,920$319.5K0.00%+3,920New
GAMMA Investing LLC3,879$316.2K0.01%+532+15.9%Added
Citizens Financial Group Inc3,794$309.2K0.00%+3,794New
KBC Group NV3,773$308.0K0.00%00.0%Unchanged
Gateway Investment Advisers LLC3,768$307.1K0.00%+3,768New
Sequoia Financial Advisors, LLC3,629$295.8K0.00%+27+0.7%Added
Marex Group plc3,618$294.9K0.00%−96−2.6%Reduced
Vident Advisory, LLC3,585$292.2K0.00%+106+3.0%Added
Goldstein Advisors, LLC3,566$290.7K0.03%+3,566New
Garden State Investment Advisory Services LLC3,478$283.5K0.06%00.0%Unchanged
Credit Agricole S A3,465$282.4K0.00%00.0%Unchanged
CIBC Bancorp USA Inc.3,419$278.7K0.00%−5,254−60.6%Reduced
Inspire Advisors, LLC3,408$277.1K0.02%+3,408New
Bayforest Capital Ltd3,311$269.9K0.25%+3,074+1,297.0%Added
Bayesian Capital Management, LP3,300$269.0K0.17%+3,300New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.3,270$266.5K0.00%−2,742−45.6%Reduced
Meiji Yasuda Asset Management Co Ltd.3,231$263.4K0.01%00.0%Unchanged
Pensionmark Financial Group, LLC4,010$261.5K0.00%+294+7.9%Added
Strategy Asset Managers LLC3,175$258.8K0.04%+3,175New
PDS Planning, Inc3,128$255.0K0.01%+3,128New
Global Assets Advisory, LLC3,148$254.3K0.06%00.0%Unchanged
MAI Capital Management3,081$251.1K0.00%+2,343+317.5%Added
Aigen Investment Management, LP3,022$246.3K0.07%+3,022New
CoreCap Advisors, LLC3,000$244.5K0.01%+3,000New
CAPROCK Group, Inc.2,985$243.3K0.00%+2,985New
GF Fund Management Co. Ltd.2,965$241.7K0.00%−85−2.8%Reduced
Syon Capital LLC2,946$240.1K0.01%+2,946New
Glenmede Trust Co NA2,942$239.8K0.00%+2,942New
STRS Ohio2,848$232.1K0.00%−29,652−91.2%Reduced
Atlantic Private Wealth, LLC2,600$211.9K0.13%00.0%Unchanged
PSP Research LLC2,600$211.9K0.11%+2,600New
Headlands Technologies LLC2,595$211.5K0.02%+2,595New
Wiley Bros.-Aintree Capital, LLC2,531$206.3K0.00%+2,531New
Kestra Advisory Services, LLC2,520$205.4K0.00%+2,520New
PEAK6 LLC2,500$203.8K0.00%+2,500New
Concurrent Investment Advisors, LLC2,496$203.4K0.00%+2,496New
FDx Advisors, Inc.2,494$203.0K0.06%+2,494New
PFG Investments, LLC2,470$201.3K0.01%+2,470New
Penserra Capital Management LLC2,431$198.0K0.00%−669−21.6%Reduced
Walleye Trading LLC2,375$193.6K0.00%+2,375New
Assetmark, Inc2,250$183.4K0.00%−220−8.9%Reduced
Vestcor Inc2,234$182.0K0.00%00.0%Unchanged
Compass Financial Management LLC2,000$179.2K0.02%+2,000New
LRI Investments, LLC2,186$178.2K0.01%+2,025+1,257.8%Added
Parallel Advisors, LLC2,107$171.7K0.00%+1,103+109.9%Added
Lazard Asset Management LLC2,085$169.9K0.00%−2,482−54.3%Reduced
Sterling Capital Management LLC2,068$168.6K0.00%+1,191+135.8%Added
SBI Securities Co., Ltd.1,925$156.9K0.00%+1,868+3,277.2%Added
CWM Advisors, LLC1,903$155.1K0.01%+194+11.4%Added
Eurizon Capital SGR S.p.A.1,890$152.3K0.00%00.0%Unchanged
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,842$150.1K0.00%−377−17.0%Reduced
Centaurus Financial, Inc.1,774$145.0K0.01%+36+2.1%Added
Horizon Investments, LLC1,595$130.0K0.00%+247+18.3%Added
Umb Bank N A1,499$122.2K0.00%+353+30.8%Added
Smartleaf Asset Management LLC1,486$119.6K0.00%00.0%Unchanged
Benson Wealth Management INC1,455$118.6K0.12%00.0%Unchanged
SRS Capital Advisors, Inc.1,453$118.4K0.00%+361+33.1%Added