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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, Q4 2024

Institutional positions in Arrowhead Pharmaceuticals, Inc. as of Dec 31, 2024. 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
269
+1 vs. Q3 2024
Shares held
99.7M
+1.96M (+2.0%) vs. Q3 2024
Total value
$1.88B
−$21.5M (−1.1%) vs. Q3 2024
New holders
43
93 more added
Sold out
42
85 more reduced

4 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 holdersQ4 2024: 269 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 heldQ4 2024: $1.88B
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, Q4 2024

Shares, value and share of portfolio for each institution holding Arrowhead Pharmaceuticals, Inc.; share changes are against Q3 2024.

Institutions holding ARWR in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.16,178,000$304.1M0.01%+342,088+2.2%Added
Vanguard Group Inc12,184,289$229.1M0.00%−44,766−0.4%Reduced
Avoro Capital Advisors LLC11,111,111$208.9M2.95%+2,222,223+25.0%Added
State Street Corp6,016,227$113.1M0.00%−338,104−5.3%Reduced
Slate Path Capital LP5,232,000$98.4M1.78%+347,000+7.1%Added
FMR LLC5,101,083$95.9M0.01%−966,486−15.9%Reduced
Geode Capital Management, LLC2,954,947$55.6M0.00%−9,172−0.3%Reduced
Siren, L.L.C.2,901,681$54.6M2.41%+442,903+18.0%Added
T. Rowe Price Investment Management, Inc.2,507,296$47.1M0.03%−1,067,277−29.9%Reduced
Norges Bank2,054,364$38.6M0.01%+9,702+0.5%Added
JPMorgan Chase & Co2,020,426$38.0M0.00%−127,979−6.0%Reduced
UBS Asset Management Americas Inc2,010,129$37.8M0.01%−144,121−6.7%Reduced
Morgan Stanley1,536,412$28.9M0.00%−69,354−4.3%Reduced
Northern Trust Corp1,484,419$27.9M0.00%+151,654+11.4%Added
UBS Group AG1,305,329$24.5M0.01%+863,818+195.7%Added
Goldman Sachs Group Inc1,294,210$24.3M0.00%+21,309+1.7%Added
Charles Schwab Investment Management Inc1,017,720$19.1M0.00%+10,785+1.1%Added
Millennium Management LLC914,550$17.2M0.01%+268,946+41.7%Added
Woodline Partners LP840,174$15.8M0.11%−25,620−3.0%Reduced
Bank of New York Mellon Corp830,058$15.6M0.00%−36,341−4.2%Reduced
Western Financial Corp820,239$15.4M8.47%00.0%Unchanged
Two Sigma Investments, LP794,373$14.9M0.03%+586,062+281.3%Added
Aquilo Capital Management, LLC707,589$13.3M22.78%−88,224−11.1%Reduced
Jane Street Group, LLC656,256$12.3M0.02%+192,376+41.5%Added
Schonfeld Strategic Advisors LLC632,214$11.9M0.08%+244,527+63.1%Added
Farallon Capital Management, L.L.C.628,800$11.8M0.06%+628,800New
Bank of America Corp575,974$10.8M0.00%−2,786−0.5%Reduced
Standard Life Aberdeen plc450,075$8.46M0.02%+48,929+12.2%Added
Two Sigma Advisers, LP430,700$8.10M0.02%+330,700+330.7%Added
Susquehanna International Group, LLP418,246$7.86M0.01%+130,964+45.6%Added
Privium Fund Management B.V.380,586$7.16M1.62%+47,230+14.2%Added
Rhumbline Advisers380,344$7.15M0.01%+7,912+2.1%Added
Balyasny Asset Management LLC372,749$7.01M0.02%+270,897+266.0%Added
Citadel Advisors LLC367,998$6.92M0.01%−809,579−68.7%Reduced
CenterBook Partners LP350,473$6.59M0.39%−44,105−11.2%Reduced
Nuveen Asset Management, LLC332,749$6.26M0.00%−2,565−0.8%Reduced
Hound Partners, LLC325,525$6.12M2.94%−53,183−14.0%Reduced
Barclays PLC312,560$5.88M0.00%+35,950+13.0%Added
Affinity Asset Advisors, LLC300,000$5.64M0.88%−25,000−7.7%Reduced
Principal Financial Group Inc288,884$5.43M0.00%−2,110−0.7%Reduced
Silvercrest Asset Management Group LLC280,511$5.27M0.04%+55,622+24.7%Added
Integral Health Asset Management, LLC275,000$5.17M0.46%+275,000New
Alliancebernstein L.P.265,482$4.99M0.00%−441−0.2%Reduced
Deutsche Bank AG258,964$4.87M0.00%+37,686+17.0%Added
Johnson & Johnson247,598$4.65M1.21%00.0%Unchanged
Legal & General Group Plc245,272$4.61M0.00%+3,427+1.4%Added
Mirae Asset Global ETFs Holdings Ltd.242,702$4.56M0.01%+33,238+15.9%Added
Altium Capital Management LP230,257$4.33M1.35%−124,743−35.1%Reduced
Ameriprise Financial Inc224,988$4.23M0.00%+5,732+2.6%Added
Swiss National Bank220,000$4.14M0.00%+1,700+0.8%Added
Schroder Investment Management Group206,070$3.83M0.00%−2,490−1.2%Reduced
Corebridge Financial, Inc.199,154$3.74M0.02%−10,761−5.1%Reduced
Sphera Funds Management Ltd.197,550$3.71M0.69%+197,550New
Russell Investments Group, Ltd.183,289$3.45M0.00%−132,084−41.9%Reduced
Invesco Ltd.176,235$3.31M0.00%−66,640−27.4%Reduced
Hudson Bay Capital Management LP175,000$3.29M0.02%−45,000−20.5%Reduced
Citigroup Inc173,908$3.27M0.00%+75,840+77.3%Added
Walleye Capital LLC173,401$3.26M0.03%+135,832+361.6%Added
Dark Forest Capital Management LP172,623$3.25M0.48%+78,078+82.6%Added
Aquatic Capital Management LLC169,394$3.18M0.09%+75,776+80.9%Added
Wealth Effects LLC155,875$2.93M1.04%−4,150−2.6%Reduced
Retirement Systems of Alabama151,157$2.84M0.01%+145+0.1%Added
Fisher Asset Management, LLC142,939$2.69M0.00%+20,679+16.9%Added
MetLife Investment Management141,011$2.65M0.01%+9,982+7.6%Added
Jump Financial, LLC140,959$2.65M0.06%−14,808−9.5%Reduced
California Public Employees Retirement System140,150$2.63M0.00%−13,731−8.9%Reduced
New York State Teachers Retirement System138,783$2.61M0.01%00.0%Unchanged
Rafferty Asset Management, LLC138,377$2.60M0.01%−42,517−23.5%Reduced
Manufacturers Life Insurance Company, The138,294$2.60M0.00%−3,746−2.6%Reduced
Nordea Investment Management AB132,188$2.46M0.00%+7,776+6.3%Added
Kornitzer Capital Management Inc126,510$2.38M0.05%00.0%Unchanged
Capital International Investors126,230$2.37M0.00%−129,641−50.7%Reduced
Edgestream Partners, L.P.120,411$2.26M0.10%+120,411New
Qube Research & Technologies Ltd118,883$2.23M0.00%+38,527+47.9%Added
State of New Jersey Common Pension Fund D112,858$2.12M0.01%+32,551+40.5%Added
California State Teachers Retirement System105,154$1.98M0.00%−1,139−1.1%Reduced
Trexquant Investment LP100,798$1.90M0.02%−85,890−46.0%Reduced
Great West Life Assurance Co100,589$1.89M0.00%−5,122−4.8%Reduced
Intech Investment Management LLC88,661$1.67M0.02%+54,616+160.4%Added
Platinum Investment Management Ltd88,425$1.66M0.10%00.0%Unchanged
BNP Paribas Arbitrage, SA88,029$1.65M0.00%+32,841+59.5%Added
Marshall Wace, LLP86,633$1.63M0.00%+86,633New
Squarepoint Ops LLC86,044$1.62M0.00%−107,750−55.6%Reduced
HRT Financial LP78,142$1.47M0.01%+22,847+41.3%Added
King Luther Capital Management Corp76,965$1.45M0.01%+76,965New
Price T Rowe Associates Inc75,858$1.43M0.00%−640−0.8%Reduced
HighTower Advisors, LLC75,056$1.41M0.00%−48,421−39.2%Reduced
KC Investment Advisors, LLC75,000$1.41M0.56%+75,000New
Engineers Gate Manager LP69,911$1.31M0.02%+12,143+21.0%Added
M28 Capital Management LP67,400$1.27M1.24%00.0%Unchanged
Tudor Investment Corp Et Al66,573$1.25M0.01%+4,149+6.6%Added
State of Wisconsin Investment Board66,051$1.24M0.00%−1,717−2.5%Reduced
Mutual of America Capital Management LLC65,668$1.23M0.01%−1,519−2.3%Reduced
TD Asset Management Inc63,784$1.20M0.00%−7,954−11.1%Reduced
Wells Fargo & Company62,886$1.18M0.00%+18,933+43.1%Added
NEOS Investment Management LLC61,503$1.16M0.03%−3,990−6.1%Reduced
Tema ETFs LLC61,503$1.16M0.48%+61,503New
Amalgamated Bank56,722$1.07M0.01%+1,957+3.6%Added
Creative Planning55,629$1.05M0.00%+30,220+118.9%Added
Wellington Management Group LLP55,396$1.04M0.00%−6,508−10.5%Reduced