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, Q1 2026
Institutional positions in Arbutus Biopharma Corp as of Mar 31, 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
- 167
- −2 vs. Q4 2025
- Shares held
- 139.0M
- +26.2M (+23.3%) vs. Q4 2025
- Total value
- $625.4M
- +$83.1M (+15.3%) vs. Q4 2025
- New holders
- 29
- 48 more added
- Sold out
- 31
- 48 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 176 | $674.9M |
| Q1 2026 | 167 | $625.4M |
| Q4 2025 | 172 | $586.9M |
| Q3 2025 | 166 | $536.4M |
| Q2 2025 | 163 | $365.0M |
| Q1 2025 | 168 | $390.1M |
| Q4 2024 | 154 | $340.3M |
| Q3 2024 | 144 | $389.2M |
| Q2 2024 | 131 | $298.4M |
| Q1 2024 | 119 | $215.2M |
| Q4 2023 | 112 | $197.4M |
| Q3 2023 | 99 | $143.8M |
| Q2 2023 | 111 | $152.4M |
| Q1 2023 | 122 | $189.3M |
| Q4 2022 | 114 | $126.3M |
| Q3 2022 | 127 | $89.1M |
| Q2 2022 | 113 | $120.0M |
| Q1 2022 | 119 | $130.6M |
| Q4 2021 | 123 | $154.4M |
| Q3 2021 | 100 | $149.8M |
| Q2 2021 | 91 | $87.6M |
| Q1 2021 | 94 | $86.5M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Arbutus Biopharma Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Morgan Stanley | 25,891,480 | $116.5M | 0.01% | −811,296−3.0% | Reduced |
| Two Seas Capital LP | 18,557,543 | $83.5M | 3.85% | +5,968,385+47.4% | Added |
| Whitefort Capital Management, LP | 14,930,885 | $67.2M | 20.45% | +1,587,657+11.9% | Added |
| BlackRock, Inc. | 12,966,946 | $58.4M | 0.00% | −85,915−0.7% | Reduced |
| Vanguard Capital Management LLC | 6,688,911 | $30.1M | 0.00% | +6,688,911 | New |
| Rubric Capital Management LP | 6,626,389 | $29.8M | 0.37% | +5,051,013+320.6% | Added |
| State Street Corp | 6,342,510 | $28.5M | 0.00% | +434,299+7.4% | Added |
| Barclays PLC | 4,316,095 | $19.4M | 0.01% | +3,959,411+1,110.1% | Added |
| Geode Capital Management, LLC | 3,771,806 | $17.0M | 0.00% | +94,499+2.6% | Added |
| ADAR1 Capital Management, LLC | 3,133,175 | $14.1M | 0.85% | −2,281,934−42.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 2,664,941 | $12.0M | 0.02% | −1,675,000−38.6% | Reduced |
| BlackBarn Capital Partners LP | 2,500,000 | $11.3M | 3.38% | +650,000+35.1% | Added |
| Legal & General Group Plc | 2,401,389 | $10.8M | 0.00% | +2,278,628+1,856.1% | Added |
| Woodline Partners LP | 2,010,172 | $9.05M | 0.03% | −176,381−8.1% | Reduced |
| Jefferies Financial Group Inc. | 1,894,067 | $8.52M | 0.10% | +1,894,067 | New |
| Bank of America Corp | 1,683,628 | $7.58M | 0.00% | −149,076−8.1% | Reduced |
| Charles Schwab Investment Management Inc | 1,401,157 | $6.31M | 0.00% | −161,108−10.3% | Reduced |
| Vanguard Portfolio Management LLC | 1,392,024 | $6.26M | 0.00% | +1,392,024 | New |
| Advisor Group Holdings, Inc. | 1,348,127 | $6.07M | 0.01% | −970.0% | Reduced |
| Northern Trust Corp | 1,277,859 | $5.75M | 0.00% | +41,170+3.3% | Added |
| Goldman Sachs Group Inc | 1,100,434 | $4.95M | 0.00% | +361,854+49.0% | Added |
| Vanguard Fiduciary Trust Co | 1,063,054 | $4.78M | 0.00% | +1,063,054 | New |
| Citigroup Inc | 898,421 | $4.04M | 0.00% | +287,272+47.0% | Added |
| UBS Asset Management Americas Inc | 838,210 | $3.77M | 0.00% | −52,688−5.9% | Reduced |
| Deltroit Asset Management (UK) LLP | 800,000 | $3.60M | 0.62% | +800,000 | New |
| Bank of Montreal | 782,763 | $3.52M | 0.00% | +16,107+2.1% | Added |
| Citadel Advisors LLC | 677,138 | $3.05M | 0.00% | +572,295+545.9% | Added |
| Millennium Management LLC | 642,448 | $2.89M | 0.00% | +642,448 | New |
| Western Standard LLC | 521,587 | $2.35M | 1.23% | +13,734+2.7% | Added |
| Quinn Opportunity Partners LLC | 514,513 | $2.32M | 0.12% | 00.0% | Unchanged |
| Rangeley Capital, LLC | 500,000 | $2.25M | 2.43% | −340,000−40.5% | Reduced |
| Freestone Capital Holdings, LLC | 442,500 | $1.99M | 0.06% | 00.0% | Unchanged |
| Wellington Management Group LLP | 440,924 | $1.98M | 0.00% | −33,437−7.0% | Reduced |
| Kennedy Capital Management, Inc. | 393,132 | $1.77M | 0.04% | −111,962−22.2% | Reduced |
| Bank of New York Mellon Corp | 379,373 | $1.71M | 0.00% | −8,541−2.2% | Reduced |
| UBS Group AG | 364,471 | $1.64M | 0.00% | +217,179+147.4% | Added |
| Hudson Bay Capital Management LP | 350,000 | $1.57M | 0.01% | −325,000−48.1% | Reduced |
| Swiss National Bank | 283,400 | $1.28M | 0.00% | 00.0% | Unchanged |
| Ledgewood Wealth Advisors, LLC | 278,436 | $1.25M | 0.71% | 00.0% | Unchanged |
| Nuveen, LLC | 259,017 | $1.17M | 0.00% | +1,083+0.4% | Added |
| Carrera Capital Advisors | 252,159 | $1.13M | 0.17% | +252,159 | New |
| Invesco Ltd. | 247,925 | $1.12M | 0.00% | +671+0.3% | Added |
| Susquehanna International Group, LLP | 241,970 | $1.09M | 0.00% | +132,559+121.2% | Added |
| Raymond James Financial Inc | 191,355 | $861.1K | 0.00% | +131,170+217.9% | Added |
| Rhumbline Advisers | 178,785 | $804.5K | 0.00% | −4,465−2.4% | Reduced |
| Deutsche Bank AG | 160,740 | $723.3K | 0.00% | +20,542+14.7% | Added |
| FMR LLC | 145,126 | $653.1K | 0.00% | +8,570+6.3% | Added |
| D. E. Shaw & Co., Inc. | 143,201 | $644.4K | 0.00% | −88,562−38.2% | Reduced |
| California State Teachers Retirement System | 142,985 | $643.4K | 0.00% | −1,125−0.8% | Reduced |
| Alliancebernstein L.P. | 127,340 | $612.5K | 0.00% | −16,530−11.5% | Reduced |
| Wealth Management Associates, Inc. | 131,870 | $593.4K | 0.20% | +4,000+3.1% | Added |
| Balyasny Asset Management LLC | 125,521 | $564.8K | 0.00% | −16,125−11.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 125,233 | $563.5K | 0.00% | −3,082−2.4% | Reduced |
| Avidity Partners Management LP | 125,000 | $562.5K | 0.11% | +125,000 | New |
| Rafferty Asset Management, LLC | 122,854 | $552.8K | 0.00% | +5,822+5.0% | Added |
| Price T Rowe Associates Inc | 115,990 | $522.0K | 0.00% | +26,774+30.0% | Added |
| Schroder Investment Management Group | 121,313 | $521.6K | 0.00% | 00.0% | Unchanged |
| Front Row Advisors LLC | 110,500 | $497.3K | 0.17% | +100,000+952.4% | Added |
| EntryPoint Capital, LLC | 110,123 | $495.6K | 0.15% | +34,516+45.7% | Added |
| Campbell & CO Investment Adviser LLC | 103,412 | $465.4K | 0.03% | −9,701−8.6% | Reduced |
| Vanguard Asset Management, Ltd | 89,582 | $403.1K | 0.00% | +89,582 | New |
| State of Wisconsin Investment Board | 88,359 | $397.6K | 0.00% | −4,410−4.8% | Reduced |
| JPMorgan Chase & Co | 87,049 | $374.3K | 0.00% | −10,826−11.1% | Reduced |
| MetLife Investment Management | 81,069 | $364.8K | 0.00% | +7,833+10.7% | Added |
| JBF Capital, Inc. | 80,281 | $361.3K | 0.05% | +80,281 | New |
| SG Americas Securities, LLC | 79,033 | $356.0K | 0.00% | +37,395+89.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 79,466 | $355.9K | 0.00% | +2,307+3.0% | Added |
| Exome Asset Management LLC | 75,484 | $339.7K | 0.20% | 00.0% | Unchanged |
| DRW Securities, LLC | 69,089 | $310.9K | 0.02% | +69,089 | New |
| Rockefeller Capital Management L.P. | 63,000 | $283.5K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 60,900 | $273.7K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 60,117 | $270.5K | 0.00% | +8,200+15.8% | Added |
| Wells Fargo & Company | 58,709 | $264.2K | 0.00% | −108,312−64.8% | Reduced |
| Magnetar Financial LLC | 58,516 | $263.3K | 0.00% | +58,516 | New |
| Virtus Investment Advisers, Inc. | 57,895 | $260.5K | 0.07% | +1,412+2.5% | Added |
| Profund Advisors LLC | 56,257 | $253.2K | 0.01% | +11,128+24.7% | Added |
| Vanguard Global Advisers, LLC | 55,152 | $248.2K | 0.00% | +55,152 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 52,762 | $237.4K | 0.00% | −1,304−2.4% | Reduced |
| Group One Trading, L.P. | 50,843 | $228.8K | 0.01% | −7,573−13.0% | Reduced |
| State of New Jersey Common Pension Fund D | 49,296 | $221.8K | 0.00% | +49,296 | New |
| Quantinno Capital Management LP | 48,715 | $219.2K | 0.00% | −5,950−10.9% | Reduced |
| Manufacturers Life Insurance Company, The | 42,429 | $190.9K | 0.00% | −5,030−10.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 41,664 | $187.5K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 41,561 | $187.0K | 0.00% | −21,210−33.8% | Reduced |
| XTX Topco Ltd | 40,021 | $180.1K | 0.00% | +40,021 | New |
| Premier Path Wealth Partners, LLC | 40,000 | $180.0K | 0.02% | 00.0% | Unchanged |
| Arizona State Retirement System | 39,620 | $178.3K | 0.00% | −342−0.9% | Reduced |
| State Board of Administration of Florida Retirement System | 35,820 | $161.2K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 35,268 | $158.7K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 34,129 | $153.6K | 0.01% | +2,790+8.9% | Added |
| Intech Investment Management LLC | 33,574 | $151.1K | 0.00% | −36,989−52.4% | Reduced |
| Inceptionr LLC | 32,580 | $146.6K | 0.04% | +4,162+14.6% | Added |
| Vanguard Investments Australia, Ltd. | 31,288 | $140.8K | 0.00% | +31,288 | New |
| KLP Kapitalforvaltning AS | 30,900 | $139.1K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 30,551 | $137.5K | 0.00% | −5,610−15.5% | Reduced |
| Voya Investment Management LLC | 28,676 | $129.0K | 0.00% | −673−2.3% | Reduced |
| Ensign Peak Advisors, Inc | 27,600 | $124.2K | 0.00% | 00.0% | Unchanged |
| Clear Harbor Asset Management, LLC | 27,000 | $121.5K | 0.01% | −47,761−63.9% | Reduced |
| Moneta Group Investment Advisors LLC | 26,000 | $117.0K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 25,859 | $116.4K | 0.00% | +25,859 | New |