Arbutus BiopharmaABUS

13F holders, Q4 2025 (December 31)
172holders +6
18new positions
15sold out
3famous investors
$4.81avg. 13F price*

At the end of Q4 2025, 172 institutions reported holding Arbutus Biopharma Corp. (ABUS) in their 13F filings, up 6 from Q3 2025. 18 opened new positions and 15 sold out. The largest holders were Morgan Stanley ($128.4M), Whitefort Capital Management, LP ($64.2M) and BlackRock, Inc. ($62.8M). 3 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).

Company
Arbutus Biopharma Corp.
CUSIP
03879J100
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200 Q1 2024: 119Q1 2024Q2 2024: 131Q2 2024Q3 2024: 144Q3 2024Q4 2024: 153Q4 2024Q1 2025: 167Q1 2025Q2 2025: 162Q2 2025Q3 2025: 166Q3 2025Q4 2025: 172Q4 2025Q1 2026: 167Q1 2026Q2 2026: 176Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions18$6.3M
Exits15$20.6M

All 13F filers, Q3 2025 → Q4 2025: 12,949,976 shares bought and 9,170,340 shares sold, net +3,779,636 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 172 holders

Morgan Stanley 0.01% Add +9.2% 26,702,776 $128.4M
Whitefort Capital Management, LP 20.20% No change 13,343,228 $64.2M
BlackRock, Inc. 0.00% Add +3.0% 13,052,861 $62.8M
Two Seas Capital LP 3.55% Add +14.5% 12,589,158 $60.6M
Vanguard Group Inc. 0.00% Add +2.8% 9,242,437 $44.5M
State Street Corp. 0.00% Add +44.2% 5,908,211 $28.4M
ADAR1 Capital Management, LLC 1.95% Add +86.5% 5,415,109 $26.0M
Adage Capital Partners Gp, L.L.C. 0.03% Reduce -13.5% 4,339,941 $20.9M
Geode Capital Management, LLC 0.00% Add +0.3% 3,677,307 $17.7M
Woodline Partners LP 0.04% Add +1.0% 2,186,553 $10.5M
BlackBarn Capital Partners LP 3.19% Reduce -7.5% 1,850,000 $8.9M
Bank of America Corp. 0.00% Add +26.3% 1,832,704 $8.8M
Rubric Capital Management LP 0.09% No change 1,575,376 $7.6M
Charles Schwab Investment Management Inc. 0.00% Add +22.6% 1,562,265 $7.5M
Osaic Holdings, Inc. 0.01% Add +0.7% 1,348,224 $6.5M
Northern Trust Corp. 0.00% Reduce -4.1% 1,236,689 $5.9M
Stempoint Capital LP 0.81% Add +380.4% 986,751 $4.7M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% New 890,898 $4.3M
Rangeley Capital, LLC 3.53% No change 840,000 $4.0M
Bank of Montreal 0.00% Add +0.2% 766,656 $3.7M
Goldman Sachs Group Inc. 0.00% Reduce -66.0% 738,580 $3.6M
Hudson Bay Capital Management LP 0.02% Reduce -15.6% 675,000 $3.2M
Citigroup Inc. 0.00% Add +208.9% 611,149 $2.9M
Quinn Opportunity Partners LLC 0.11% No change 514,513 $2.5M
Western Standard LLC 1.13% No change 507,853 $2.4M
Kennedy Capital Management LLC 0.05% Reduce 0.0% 505,094 $2.4M
Wellington Management Group LLP 0.00% Reduce -7.7% 474,361 $2.3M
Freestone Capital Holdings, LLC 0.06% No change 442,500 $2.1M
Bank of New York Mellon Corp 0.00% Reduce -2.8% 387,914 $1.9M
Barclays PLC 0.00% Add +25.4% 356,684 $1.7M
Saba Capital Management, L.P. 0.06% Reduce -48.8% 347,885 $1.7M
Swiss National Bank 0.00% Add +2.6% 283,400 $1.4M
Ledgewood Wealth Advisors, LLC 0.77% No change 278,436 $1.3M
Murchinson Ltd. 0.83% Add +37.5% 275,000 $1.3M
Nuveen, LLC 0.00% No change 257,934 $1.2M
Invesco Ltd. 0.00% Add +17.9% 247,254 $1.2M
D. E. Shaw & Co. 0.00% Add +22.0% 231,763 $1.1M
Rhumbline Advisers 0.00% Reduce -13.5% 183,250 $881K
Wells Fargo & Company 0.00% Add +75.0% 167,021 $803K
Qube Research & Technologies Ltd 0.00% Reduce -26.7% 157,578 $758K
UBS Group AG 0.00% Reduce -81.0% 147,292 $708K
California State Teachers Retirement System 0.00% Add +9.6% 144,110 $693K
Alliancebernstein L.P. 0.00% No change 143,870 $692K
Balyasny Asset Management L.P. 0.00% Add +31.6% 141,646 $681K
Deutsche Bank AG 0.00% Add +6.3% 140,198 $674K
FMR LLC 0.00% Add +52.6% 136,556 $657K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +27.9% 128,315 $617K
Wealth Management Associates, Inc. 0.21% Add +13.3% 127,870 $615K
Legal & General Group Plc 0.00% Reduce -1.1% 122,761 $590K
Man Group plc 0.00% Add +52.2% 120,821 $581K
Rafferty Asset Management, LLC 0.00% Add +120.8% 117,032 $563K
Schroder Investment Management Group 0.00% No change 121,313 $560K
Campbell & CO Investment Adviser LLC 0.03% Add +54.4% 113,113 $544K
Susquehanna International Group, LLP 0.00% Add +70.4% 109,411 $526K
Citadel Advisors 0.00% Reduce -45.9% 104,843 $504K
Nomura Holdings Inc. 0.00% Reduce -1.9% 98,100 $472K
JPMorgan Chase & Co. 0.00% Reduce -0.4% 97,875 $471K
State of Wisconsin Investment Board 0.00% Add +621.2% 92,769 $446K
T. Rowe Price Associates Inc. 0.00% Add +7.5% 89,216 $430K
Jane Street Group, LLC 0.00% Reduce -72.1% 83,933 $404K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.5% 77,159 $370K
Boothbay Fund Management, LLC 0.01% Reduce -75.6% 75,624 $364K
EntryPoint Capital, LLC 0.14% Add +161.9% 75,607 $364K
Exome Asset Management LLC 0.18% No change 75,484 $363K
Clear Harbor Asset Management, LLC 0.02% No change 74,761 $360K
MetLife Investment Management, LLC 0.00% Reduce -16.6% 73,236 $352K
Intech Investment Management LLC 0.00% Add +48.6% 70,563 $339K
Lazard Asset Management LLC 0.00% New 67,840 $326K
Royal Bank of Canada 0.00% Reduce -72.3% 65,687 $316K
Rockefeller Capital Management L.P. 0.00% No change 63,000 $303K
BNP Paribas Financial Markets 0.00% Reduce -30.2% 62,771 $302K
Janus Henderson Group PLC 0.00% No change 60,900 $293K
Raymond James Financial Inc. 0.00% New 60,185 $289K
Irenic Capital Management LP 0.04% New 59,853 $288K
Group One Trading LLC 0.01% Add +27.6% 58,416 $281K
Virtus Investment Advisers, LLC 0.07% Add +77.7% 56,483 $272K
Quantinno Capital Management LP 0.00% Add +52.3% 54,665 $263K
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% Reduce -26.6% 54,066 $258K
Creative Planning 0.00% Add +0.4% 51,917 $250K
AlphaCentric Advisors LLC 0.23% — 47,925 $231K
Manufacturers Life Insurance Company, The 0.00% Reduce -12.4% 47,459 $228K
Los Angeles Capital Management LLC 0.00% New 46,520 $225K
Profund Advisors LLC 0.01% Add +228.7% 45,129 $217K
Mercer Global Advisors Inc. 0.00% Add +15.8% 45,120 $217K
Police & Firemen's Retirement System of New Jersey 0.00% No change 41,664 $200K
SG Americas Securities, LLC 0.00% Add +78.2% 41,638 $200K
Premier Path Wealth Partners, LLC 0.02% No change 40,000 $192K
Arizona State Retirement System 0.00% Reduce -5.7% 39,962 $192K
ProShare Advisors LLC 0.00% Add +10.5% 36,161 $174K
State Board of Administration of Florida Retirement System 0.00% No change 35,820 $172K
New York State Common Retirement Fund 0.00% No change 35,268 $170K
Arrowstreet Capital, Limited Partnership 0.00% Reduce -77.9% 35,116 $169K
T3 Companies, LLC 0.21% — 34,000 $164K
China Universal Asset Management Co., Ltd. 0.01% Reduce -6.7% 31,339 $151K
KLP Kapitalforvaltning As 0.00% Add +20.7% 30,900 $149K
Abel Hall, LLC 0.03% New 30,779 $148K
ExodusPoint Capital Management, LP 0.00% Reduce -63.0% 30,503 $147K
SBI Securities Co., Ltd. 0.00% Reduce -31.0% 29,625 $142K
Voya Investment Management LLC 0.00% No change 29,349 $141K
Squarepoint Ops LLC 0.00% Reduce -57.4% 28,775 $138K
Inceptionr LLC 0.04% New 28,418 $137K
Sherbrooke Park Advisers LLC 0.35% Reduce -24.5% 27,989 $135K
Ensign Peak Advisors, Inc 0.00% Reduce -38.7% 27,600 $133K
Moneta Group Investment Advisors LLC 0.00% No change 26,000 $125K
Dynamic Technology Lab Private Ltd 0.03% New 25,779 $124K
Prelude Capital Management, LLC 0.01% No change 25,318 $122K
Pictet Asset Management Holding SA 0.00% No change 23,927 $115K
Russell Investments Group, Ltd. 0.00% Add +4.7% 23,814 $115K
Simplex Trading, LLC 0.00% Reduce -45.8% 22,203 $107K
Oxford Asset Management LLP 0.04% New 21,632 $104K
Teacher Retirement System of Texas 0.00% Reduce -39.4% 21,179 $102K
VIRGINIA RETIREMENT SYSTEMS ET Al 0.00% Reduce -3.3% 20,500 $99K
Verition Fund Management LLC 0.00% New 20,000 $96K
AQR Capital Management 0.00% Add +10.2% 16,783 $81K
Verus Capital Partners, LLC 0.01% No change 16,650 $80K
Voleon Capital Management LP 0.00% Add +57.5% 16,387 $79K
State of Wyoming 0.01% New 15,421 $74K
Cura Wealth Advisors, LLC 0.03% No change 15,000 $72K
Scotia Capital Inc. 0.00% No change 14,740 $71K
CIBC Asset Management Inc 0.00% New 14,382 $69K
Walleye Trading LLC 0.00% No change 14,000 $67K
First Manhattan Co. Llc. 0.00% No change 14,000 $67K
Ameritas Investment Partners, Inc. 0.00% No change 12,648 $61K
WMG Financial Advisors, LLC 0.03% No change 12,605 $61K
Amundi 0.00% New 11,878 $57K
Xponance LLC 0.00% Add +0.7% 11,876 $57K
PFG Investments, LLC 0.00% Reduce -18.5% 11,000 $53K
Belvedere Trading LLC 0.01% New 10,721 $52K
Front Row Advisors LLC 0.02% No change 10,500 $51K
Cibc World Markets Corp. 0.00% — 10,015 $48K
Cyndeo Wealth Partners, LLC 0.00% No change 10,000 $48K
Pathstone Holdings, LLC 0.00% Reduce -10.6% 10,000 $48K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +26.1% 9,346 $45K
Tower Research Capital LLC (TRC) 0.00% Reduce -36.9% 8,007 $39K
Eastern Bank 0.00% No change 5,000 $24K
Amalgamated Bank 0.00% Reduce -5.7% 4,756 $23K
Steward Partners Investment Advisory, LLC 0.00% No change 4,000 $19K
GF Fund Management Co. LTD. 0.00% Reduce -8.4% 3,778 $18K
Caitong International Asset Management Co., Ltd 0.00% New 3,134 $15K
Nisa Investment Advisors, LLC 0.00% No change 2,635 $13K
Signaturefd, LLC 0.00% No change 2,556 $12K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Add +24.2% 2,399 $12K
Cwm, LLC 0.00% Add +0.5% 2,257 $11K
Allworth Financial LP 0.00% Add +1676.5% 2,043 $10K
Smartleaf Asset Management LLC 0.00% No change 1,729 $8K
Sterling Capital Management LLC 0.00% Add +67.4% 1,532 $7K
Avion Wealth 0.00% No change 1,500 $7K
US Bancorp \de 0.00% No change 1,451 $7K
Arax Advisory Partners 0.00% New 1,233 $6K
Parallel Advisors, LLC 0.00% No change 1,204 $6K
Keating Financial Advisory Services, Inc. 0.00% — 1,029 $5K
Optiver Holding B.V. 0.00% Reduce -53.4% 1,017 $5K
Hartford Financial Management Inc. 0.00% No change 900 $4K
PNC Financial Services Group, Inc. 0.00% Reduce -46.0% 837 $4K
Jones Financial Companies LLLP 0.00% No change 830 $4K
Cornerstone Planning Group LLC 0.00% No change 924 $4K
Larson Financial Group LLC 0.00% Add +3.0% 761 $4K
National Bank of Canada 0.00% Reduce -5.9% 659 $3K
Hantz Financial Services, Inc. 0.00% Add +48.9% 521 $3K
MAI Capital Management 0.00% No change 601 $3K
Harbor Investment Advisory, LLC 0.00% No change 500 $2K
Daiwa Securities Group Inc. 0.00% Reduce -97.3% 395 $2K
Aster Capital Management (DIFC) Ltd 0.00% Reduce -85.1% 292 $1K
Quadrant Capital Group LLC 0.00% No change 277 $1K
Northwestern Mutual Wealth Management Co. 0.00% New 250 $1K
Private Wealth Management Group, LLC 0.00% No change 242 $1K
Flagship Harbor Advisors, LLC 0.00% New 200 $962
Federation des caisses Desjardins du Quebec 0.00% No change 200 $962
Bare Financial Services, Inc 0.00% No change 181 $871
EverSource Wealth Advisors, LLC 0.00% No change 119 $572
Farther Finance Advisors, LLC 0.00% Reduce -54.3% 117 $563
Private Wealth Asset Management, LLC 0.00% No change 51 $245

"% of holder's portfolio" is ABUS's weight in each manager's 13F, not the share of Arbutus Biopharma Corp. the manager owns.