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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
Janus Henderson Group PLC60,900$293.2K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA62,771$301.9K0.00%−27,128−30.2%Reduced
Rockefeller Capital Management L.P.63,000$303.0K0.00%00.0%Unchanged
Royal Bank of Canada65,687$316.0K0.00%−171,142−72.3%Reduced
Lazard Asset Management LLC67,840$326.3K0.00%+67,840New
Intech Investment Management LLC70,563$339.4K0.00%+23,074+48.6%Added
MetLife Investment Management73,236$352.3K0.00%−14,614−16.6%Reduced
Clear Harbor Asset Management, LLC74,761$359.6K0.02%00.0%Unchanged
Exome Asset Management LLC75,484$363.1K0.18%00.0%Unchanged
EntryPoint Capital, LLC75,607$363.7K0.14%+46,743+161.9%Added
Boothbay Fund Management, LLC75,624$363.8K0.01%−234,427−75.6%Reduced
Mirae Asset Global ETFs Holdings Ltd.77,159$369.8K0.00%+3,353+4.5%Added
Jane Street Group, LLC83,933$403.7K0.00%−216,522−72.1%Reduced
Price T Rowe Associates Inc89,216$430.0K0.00%+6,208+7.5%Added
State of Wisconsin Investment Board92,769$446.2K0.00%+79,906+621.2%Added
JPMorgan Chase & Co97,875$470.8K0.00%−354−0.4%Reduced
Nomura Holdings Inc98,100$471.9K0.00%−1,900−1.9%Reduced
Citadel Advisors LLC104,843$504.3K0.00%−88,848−45.9%Reduced
Susquehanna International Group, LLP109,411$526.3K0.00%+45,219+70.4%Added
Campbell & CO Investment Adviser LLC113,113$544.1K0.03%+39,828+54.3%Added
Schroder Investment Management Group121,313$560.5K0.00%00.0%Unchanged
Rafferty Asset Management, LLC117,032$562.9K0.00%+64,024+120.8%Added
Man Group plc120,821$581.1K0.00%+41,447+52.2%Added
Legal & General Group Plc122,761$590.5K0.00%−1,416−1.1%Reduced
Wealth Management Associates, Inc.127,870$615.1K0.21%+15,050+13.3%Added
Zurcher Kantonalbank (Zurich Cantonalbank)128,315$617.2K0.00%+27,977+27.9%Added
FMR LLC136,556$656.8K0.00%+47,092+52.6%Added
Deutsche Bank AG140,198$674.4K0.00%+8,374+6.4%Added
Balyasny Asset Management LLC141,646$681.3K0.00%+33,981+31.6%Added
Alliancebernstein L.P.143,870$692.0K0.00%00.0%Unchanged
California State Teachers Retirement System144,110$693.2K0.00%+12,642+9.6%Added
UBS Group AG147,292$708.5K0.00%−627,302−81.0%Reduced
Qube Research & Technologies Ltd157,578$758.0K0.00%−57,463−26.7%Reduced
Wells Fargo & Company167,021$803.4K0.00%+71,570+75.0%Added
Rhumbline Advisers183,250$881.4K0.00%−28,534−13.5%Reduced
D. E. Shaw & Co., Inc.231,763$1.11M0.00%+41,811+22.0%Added
Invesco Ltd.247,254$1.19M0.00%+37,616+17.9%Added
Nuveen, LLC257,934$1.24M0.00%00.0%Unchanged
Murchinson Ltd.275,000$1.32M0.71%+75,000+37.5%Added
Ledgewood Wealth Advisors, LLC278,436$1.34M0.77%00.0%Unchanged
Swiss National Bank283,400$1.36M0.00%+7,100+2.6%Added
Saba Capital Management, L.P.347,885$1.67M0.06%−330,886−48.7%Reduced
Barclays PLC356,684$1.72M0.00%+72,354+25.4%Added
Bank of New York Mellon Corp387,914$1.87M0.00%−11,234−2.8%Reduced
Freestone Capital Holdings, LLC442,500$2.13M0.06%00.0%Unchanged
Wellington Management Group LLP474,361$2.28M0.00%−39,722−7.7%Reduced
Kennedy Capital Management, Inc.505,094$2.43M0.05%−50.0%Reduced
Western Standard LLC507,853$2.44M1.13%00.0%Unchanged
Quinn Opportunity Partners LLC514,513$2.47M0.11%00.0%Unchanged
Citigroup Inc611,149$2.94M0.00%+413,311+208.9%Added
Hudson Bay Capital Management LP675,000$3.25M0.02%−125,000−15.6%Reduced
Goldman Sachs Group Inc738,580$3.55M0.00%−1,434,850−66.0%Reduced
Bank of Montreal766,656$3.69M0.00%+1,393+0.2%Added
Rangeley Capital, LLC840,000$4.04M3.48%00.0%Unchanged
UBS Asset Management Americas Inc890,898$4.29M0.00%+890,898New
StemPoint Capital LP986,751$4.75M0.81%+781,363+380.4%Added
Northern Trust Corp1,236,689$5.95M0.00%−52,724−4.1%Reduced
Advisor Group Holdings, Inc.1,348,224$6.48M0.01%+9,721+0.7%Added
Charles Schwab Investment Management Inc1,562,265$7.51M0.00%+287,432+22.5%Added
Rubric Capital Management LP1,575,376$7.58M0.09%00.0%Unchanged
Bank of America Corp1,832,704$8.82M0.00%+381,882+26.3%Added
BlackBarn Capital Partners LP1,850,000$8.90M3.19%−150,000−7.5%Reduced
Woodline Partners LP2,186,553$10.5M0.04%+20,951+1.0%Added
Geode Capital Management, LLC3,677,307$17.7M0.00%+11,145+0.3%Added
Adage Capital Partners GP, L.L.C.4,339,941$20.9M0.03%−675,000−13.5%Reduced
ADAR1 Capital Management, LLC5,415,109$26.0M1.95%+2,511,883+86.5%Added
State Street Corp5,908,211$28.4M0.00%+1,809,893+44.2%Added
Vanguard Group Inc9,242,437$44.5M0.00%+251,355+2.8%Added
Two Seas Capital LP12,589,158$60.6M3.55%+1,597,897+14.5%Added
BlackRock, Inc.13,052,861$62.8M0.00%+375,365+3.0%Added
Whitefort Capital Management, LP13,343,228$64.2M19.42%00.0%Unchanged
Morgan Stanley26,702,776$128.4M0.01%+2,252,164+9.2%Added
Foursixthree Capital LP0$00.00%−1,978,975−100.0%Sold out
FourWorld Capital Management LLC0$00.00%−1,020,910−100.0%Sold out
Standard Life Aberdeen plc0$00.00%−799,979−100.0%Sold out
Millennium Management LLC0$00.00%−528,340−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−66,056−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−26,702−100.0%Sold out
Jain Global LLC0$00.00%−26,000−100.0%Sold out
Omers Administration Corp0$00.00%−21,700−100.0%Sold out
Prudential Financial Inc0$00.00%−18,255−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−13,265−100.0%Sold out
Principal Financial Group Inc0$00.00%−11,859−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−11,534−100.0%Sold out
XTX Topco Ltd0$00.00%−11,364−100.0%Sold out
GWM Advisors LLC0$00.00%−500−100.0%Sold out
Principal Securities, Inc.0$00.00%−230−100.0%Sold out
CIBC Bancorp USA Inc.––––Not filed