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Arbutus Biopharma Corp

ABUS
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001447028

No open-market purchases or sales by Arbutus Biopharma Corp insiders were filed in the last 90 days; 176 institutions reported holding it in 13F filings for Q2 2026, worth $674.9M in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Arbutus Biopharma Corp as of Dec 31, 2025. 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
172
+7 vs. Q3 2025
Shares held
122.0M
+3.87M (+3.3%) vs. Q3 2025
Total value
$586.9M
+$50.6M (+9.4%) vs. Q3 2025
New holders
22
55 more added
Sold out
15
45 more reduced

1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ABUS 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 2025: 172 institutions
Q1 2021: 94 institutionsQ2 2021: 91 institutionsQ3 2021: 100 institutionsQ4 2021: 123 institutionsQ1 2022: 119 institutionsQ2 2022: 113 institutionsQ3 2022: 127 institutionsQ4 2022: 114 institutionsQ1 2023: 122 institutionsQ2 2023: 111 institutionsQ3 2023: 99 institutionsQ4 2023: 112 institutionsQ1 2024: 119 institutionsQ2 2024: 131 institutionsQ3 2024: 144 institutionsQ4 2024: 154 institutionsQ1 2025: 168 institutionsQ2 2025: 163 institutionsQ3 2025: 166 institutionsQ4 2025: 172 institutionsQ1 2026: 167 institutionsQ2 2026: 176 institutions
Value heldQ4 2025: $586.9M
Q1 2021: $86.5MQ2 2021: $87.6MQ3 2021: $149.8MQ4 2021: $154.4MQ1 2022: $130.6MQ2 2022: $120.0MQ3 2022: $89.1MQ4 2022: $126.3MQ1 2023: $189.3MQ2 2023: $152.4MQ3 2023: $143.8MQ4 2023: $197.4MQ1 2024: $215.2MQ2 2024: $298.4MQ3 2024: $389.2MQ4 2024: $340.3MQ1 2025: $390.1MQ2 2025: $365.0MQ3 2025: $536.4MQ4 2025: $586.9MQ1 2026: $625.4MQ2 2026: $674.9M
Institutions holding ABUS and their total value by quarter
QuarterHoldersValue
Q2 2026176$674.9M
Q1 2026167$625.4M
Q4 2025172$586.9M
Q3 2025166$536.4M
Q2 2025163$365.0M
Q1 2025168$390.1M
Q4 2024154$340.3M
Q3 2024144$389.2M
Q2 2024131$298.4M
Q1 2024119$215.2M
Q4 2023112$197.4M
Q3 202399$143.8M
Q2 2023111$152.4M
Q1 2023122$189.3M
Q4 2022114$126.3M
Q3 2022127$89.1M
Q2 2022113$120.0M
Q1 2022119$130.6M
Q4 2021123$154.4M
Q3 2021100$149.8M
Q2 202191$87.6M
Q1 202194$86.5M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Arbutus Biopharma Corp; share changes are against Q3 2025.

Institutions holding ABUS in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Morgan Stanley26,702,776$128.4M0.01%+2,252,164+9.2%Added
Whitefort Capital Management, LP13,343,228$64.2M19.42%00.0%Unchanged
BlackRock, Inc.13,052,861$62.8M0.00%+375,365+3.0%Added
Two Seas Capital LP12,589,158$60.6M3.55%+1,597,897+14.5%Added
Vanguard Group Inc9,242,437$44.5M0.00%+251,355+2.8%Added
State Street Corp5,908,211$28.4M0.00%+1,809,893+44.2%Added
ADAR1 Capital Management, LLC5,415,109$26.0M1.95%+2,511,883+86.5%Added
Adage Capital Partners GP, L.L.C.4,339,941$20.9M0.03%−675,000−13.5%Reduced
Geode Capital Management, LLC3,677,307$17.7M0.00%+11,145+0.3%Added
Woodline Partners LP2,186,553$10.5M0.04%+20,951+1.0%Added
BlackBarn Capital Partners LP1,850,000$8.90M3.19%−150,000−7.5%Reduced
Bank of America Corp1,832,704$8.82M0.00%+381,882+26.3%Added
Rubric Capital Management LP1,575,376$7.58M0.09%00.0%Unchanged
Charles Schwab Investment Management Inc1,562,265$7.51M0.00%+287,432+22.5%Added
Advisor Group Holdings, Inc.1,348,224$6.48M0.01%+9,721+0.7%Added
Northern Trust Corp1,236,689$5.95M0.00%−52,724−4.1%Reduced
StemPoint Capital LP986,751$4.75M0.81%+781,363+380.4%Added
UBS Asset Management Americas Inc890,898$4.29M0.00%+890,898New
Rangeley Capital, LLC840,000$4.04M3.48%00.0%Unchanged
Bank of Montreal766,656$3.69M0.00%+1,393+0.2%Added
Goldman Sachs Group Inc738,580$3.55M0.00%−1,434,850−66.0%Reduced
Hudson Bay Capital Management LP675,000$3.25M0.02%−125,000−15.6%Reduced
Citigroup Inc611,149$2.94M0.00%+413,311+208.9%Added
Quinn Opportunity Partners LLC514,513$2.47M0.11%00.0%Unchanged
Western Standard LLC507,853$2.44M1.13%00.0%Unchanged
Kennedy Capital Management, Inc.505,094$2.43M0.05%−50.0%Reduced
Wellington Management Group LLP474,361$2.28M0.00%−39,722−7.7%Reduced
Freestone Capital Holdings, LLC442,500$2.13M0.06%00.0%Unchanged
Bank of New York Mellon Corp387,914$1.87M0.00%−11,234−2.8%Reduced
Barclays PLC356,684$1.72M0.00%+72,354+25.4%Added
Saba Capital Management, L.P.347,885$1.67M0.06%−330,886−48.7%Reduced
Swiss National Bank283,400$1.36M0.00%+7,100+2.6%Added
Ledgewood Wealth Advisors, LLC278,436$1.34M0.77%00.0%Unchanged
Murchinson Ltd.275,000$1.32M0.71%+75,000+37.5%Added
Nuveen, LLC257,934$1.24M0.00%00.0%Unchanged
Invesco Ltd.247,254$1.19M0.00%+37,616+17.9%Added
D. E. Shaw & Co., Inc.231,763$1.11M0.00%+41,811+22.0%Added
Rhumbline Advisers183,250$881.4K0.00%−28,534−13.5%Reduced
Wells Fargo & Company167,021$803.4K0.00%+71,570+75.0%Added
Qube Research & Technologies Ltd157,578$758.0K0.00%−57,463−26.7%Reduced
UBS Group AG147,292$708.5K0.00%−627,302−81.0%Reduced
California State Teachers Retirement System144,110$693.2K0.00%+12,642+9.6%Added
Alliancebernstein L.P.143,870$692.0K0.00%00.0%Unchanged
Balyasny Asset Management LLC141,646$681.3K0.00%+33,981+31.6%Added
Deutsche Bank AG140,198$674.4K0.00%+8,374+6.4%Added
FMR LLC136,556$656.8K0.00%+47,092+52.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)128,315$617.2K0.00%+27,977+27.9%Added
Wealth Management Associates, Inc.127,870$615.1K0.21%+15,050+13.3%Added
Legal & General Group Plc122,761$590.5K0.00%−1,416−1.1%Reduced
Man Group plc120,821$581.1K0.00%+41,447+52.2%Added
Rafferty Asset Management, LLC117,032$562.9K0.00%+64,024+120.8%Added
Schroder Investment Management Group121,313$560.5K0.00%00.0%Unchanged
Campbell & CO Investment Adviser LLC113,113$544.1K0.03%+39,828+54.3%Added
Susquehanna International Group, LLP109,411$526.3K0.00%+45,219+70.4%Added
Citadel Advisors LLC104,843$504.3K0.00%−88,848−45.9%Reduced
Nomura Holdings Inc98,100$471.9K0.00%−1,900−1.9%Reduced
JPMorgan Chase & Co97,875$470.8K0.00%−354−0.4%Reduced
State of Wisconsin Investment Board92,769$446.2K0.00%+79,906+621.2%Added
Price T Rowe Associates Inc89,216$430.0K0.00%+6,208+7.5%Added
Jane Street Group, LLC83,933$403.7K0.00%−216,522−72.1%Reduced
Mirae Asset Global ETFs Holdings Ltd.77,159$369.8K0.00%+3,353+4.5%Added
Boothbay Fund Management, LLC75,624$363.8K0.01%−234,427−75.6%Reduced
EntryPoint Capital, LLC75,607$363.7K0.14%+46,743+161.9%Added
Exome Asset Management LLC75,484$363.1K0.18%00.0%Unchanged
Clear Harbor Asset Management, LLC74,761$359.6K0.02%00.0%Unchanged
MetLife Investment Management73,236$352.3K0.00%−14,614−16.6%Reduced
Intech Investment Management LLC70,563$339.4K0.00%+23,074+48.6%Added
Lazard Asset Management LLC67,840$326.3K0.00%+67,840New
Royal Bank of Canada65,687$316.0K0.00%−171,142−72.3%Reduced
Rockefeller Capital Management L.P.63,000$303.0K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA62,771$301.9K0.00%−27,128−30.2%Reduced
Janus Henderson Group PLC60,900$293.2K0.00%00.0%Unchanged
Raymond James Financial Inc60,185$289.5K0.00%+60,185New
Irenic Capital Management LP59,853$287.9K0.04%+59,853New
Group One Trading, L.P.58,416$281.0K0.01%+12,622+27.6%Added
Virtus Investment Advisers, Inc.56,483$271.7K0.07%+24,699+77.7%Added
Quantinno Capital Management LP54,665$262.9K0.00%+18,769+52.3%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.54,066$257.9K0.00%−19,624−26.6%Reduced
Creative Planning51,917$249.7K0.00%+225+0.4%Added
AlphaCentric Advisors LLC47,925$230.5K0.23%+47,925New
Manufacturers Life Insurance Company, The47,459$228.3K0.00%−6,702−12.4%Reduced
Los Angeles Capital Management LLC46,520$225.2K0.00%+46,520New
Profund Advisors LLC45,129$217.1K0.01%+31,401+228.7%Added
Mercer Global Advisors Inc45,120$217.0K0.00%+6,161+15.8%Added
Police & Firemen's Retirement System of New Jersey41,664$200.4K0.00%00.0%Unchanged
SG Americas Securities, LLC41,638$200.0K0.00%+18,265+78.1%Added
Premier Path Wealth Partners, LLC40,000$192.4K0.02%00.0%Unchanged
Arizona State Retirement System39,962$192.2K0.00%−2,428−5.7%Reduced
ProShare Advisors LLC36,161$173.9K0.00%+3,446+10.5%Added
State Board of Administration of Florida Retirement System35,820$172.3K0.00%00.0%Unchanged
New York State Common Retirement Fund35,268$169.6K0.00%00.0%Unchanged
Arrowstreet Capital, Limited Partnership35,116$168.9K0.00%−124,002−77.9%Reduced
T3 Companies, LLC34,000$163.5K0.21%+34,000New
China Universal Asset Management Co., Ltd.31,339$150.7K0.01%−2,263−6.7%Reduced
KLP Kapitalforvaltning AS30,900$148.6K0.00%+5,300+20.7%Added
Abel Hall, LLC30,779$148.0K0.03%+30,779New
ExodusPoint Capital Management, LP30,503$146.7K0.00%−51,874−63.0%Reduced
SBI Securities Co., Ltd.29,625$142.5K0.00%−13,308−31.0%Reduced
Voya Investment Management LLC29,349$141.2K0.00%00.0%Unchanged
Squarepoint Ops LLC28,775$138.4K0.00%−38,836−57.4%Reduced