Arbutus BiopharmaABUS
13F holders, Q1 2026 (March 31)167holders −5
23new positions
31sold out
5famous investors
$4.50avg. 13F price*
At the end of Q1 2026, 167 institutions reported holding Arbutus Biopharma Corp. (ABUS) in their 13F filings, down 5 from Q4 2025. 23 opened new positions and 31 sold out. The largest holders were Morgan Stanley ($116.5M), Two Seas Capital LP ($83.5M) and Whitefort Capital Management, LP ($67.2M). 5 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Arbutus Biopharma Corp.
- CUSIP
- 03879J100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 23 | $18.7M |
| Exits | 31 | $12.6M |
All 13F filers, Q4 2025 → Q1 2026: 26,258,792 shares bought and 9,353,910 shares sold, net +16,904,882 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 167 holders
| Morgan Stanley | 0.01% | Reduce -3.0% | 25,891,480 | $116.5M |
| Two Seas Capital LP | 3.86% | Add +47.4% | 18,557,543 | $83.5M |
| Whitefort Capital Management, LP | 21.22% | Add +11.9% | 14,930,885 | $67.2M |
| BlackRock, Inc. | 0.00% | Reduce -0.7% | 12,966,946 | $58.4M |
| Vanguard Capital Management LLC | 0.00% | — | 6,688,911 | $30.1M |
| Rubric Capital Management LP | 0.37% | Add +320.6% | 6,626,389 | $29.8M |
| State Street Corp. | 0.00% | Add +7.3% | 6,342,510 | $28.5M |
| Barclays PLC | 0.01% | Add +1110.1% | 4,316,095 | $19.4M |
| Geode Capital Management, LLC | 0.00% | Add +2.6% | 3,771,806 | $17.0M |
| ADAR1 Capital Management, LLC | 0.85% | Reduce -42.1% | 3,133,175 | $14.1M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | Reduce -38.6% | 2,664,941 | $12.0M |
| BlackBarn Capital Partners LP | 3.38% | Add +35.1% | 2,500,000 | $11.3M |
| Legal & General Group Plc | 0.00% | Add +1856.2% | 2,401,389 | $10.8M |
| Woodline Partners LP | 0.03% | Reduce -8.1% | 2,010,172 | $9.0M |
| Jefferies Financial Group Inc. | 0.11% | New | 1,894,067 | $8.5M |
| Bank of America Corp. | 0.00% | Reduce -8.1% | 1,683,628 | $7.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -10.3% | 1,401,157 | $6.3M |
| Vanguard Portfolio Management LLC | 0.00% | — | 1,392,024 | $6.3M |
| Osaic Holdings, Inc. | 0.01% | Reduce -0.0% | 1,348,127 | $6.1M |
| Northern Trust Corp. | 0.00% | Add +3.3% | 1,277,859 | $5.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +49.0% | 1,100,434 | $5.0M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 1,063,054 | $4.8M |
| Citigroup Inc. | 0.00% | Add +47.0% | 898,421 | $4.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -5.9% | 838,210 | $3.8M |
| Deltroit Asset Management (UK) LLP | 0.62% | New | 800,000 | $3.6M |
| Bank of Montreal | 0.00% | Add +2.1% | 782,763 | $3.5M |
| Citadel Advisors | 0.00% | Add +545.9% | 677,138 | $3.0M |
| Millennium Management | 0.00% | New | 642,448 | $2.9M |
| Western Standard LLC | 1.23% | Add +2.7% | 521,587 | $2.3M |
| Quinn Opportunity Partners LLC | 0.12% | No change | 514,513 | $2.3M |
| Rangeley Capital, LLC | 2.44% | Reduce -40.5% | 500,000 | $2.3M |
| Freestone Capital Holdings, LLC | 0.06% | No change | 442,500 | $2.0M |
| Wellington Management Group LLP | 0.00% | Reduce -7.0% | 440,924 | $2.0M |
| Kennedy Capital Management LLC | 0.04% | Reduce -22.2% | 393,132 | $1.8M |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.2% | 379,373 | $1.7M |
| UBS Group AG | 0.00% | Add +147.4% | 364,471 | $1.6M |
| Hudson Bay Capital Management LP | 0.01% | Reduce -48.1% | 350,000 | $1.6M |
| Swiss National Bank | 0.00% | No change | 283,400 | $1.3M |
| Ledgewood Wealth Advisors, LLC | 0.71% | No change | 278,436 | $1.3M |
| Nuveen, LLC | 0.00% | Add +0.4% | 259,017 | $1.2M |
| Carrera Capital Advisors | 0.17% | New | 252,159 | $1.1M |
| Invesco Ltd. | 0.00% | Add +0.3% | 247,925 | $1.1M |
| Susquehanna International Group, LLP | 0.00% | Add +121.2% | 241,970 | $1.1M |
| Raymond James Financial Inc. | 0.00% | Add +217.9% | 191,355 | $861K |
| Rhumbline Advisers | 0.00% | Reduce -2.4% | 178,785 | $805K |
| Deutsche Bank AG | 0.00% | Add +14.7% | 160,740 | $723K |
| FMR LLC | 0.00% | Add +6.3% | 145,126 | $653K |
| D. E. Shaw & Co. | 0.00% | Reduce -38.2% | 143,201 | $644K |
| California State Teachers Retirement System | 0.00% | Reduce -0.8% | 142,985 | $643K |
| Alliancebernstein L.P. | 0.00% | Reduce -11.5% | 127,340 | $613K |
| Wealth Management Associates, Inc. | 0.20% | Add +3.1% | 131,870 | $593K |
| Balyasny Asset Management L.P. | 0.00% | Reduce -11.4% | 125,521 | $565K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -2.4% | 125,233 | $564K |
| Avidity Partners Management LP | 0.11% | New | 125,000 | $563K |
| Rafferty Asset Management, LLC | 0.00% | Add +5.0% | 122,854 | $553K |
| T. Rowe Price Associates Inc. | 0.00% | Add +30.0% | 115,990 | $522K |
| Schroder Investment Management Group | 0.00% | No change | 121,313 | $522K |
| Front Row Advisors LLC | 0.17% | Add +952.4% | 110,500 | $497K |
| EntryPoint Capital, LLC | 0.15% | Add +45.6% | 110,123 | $496K |
| Campbell & CO Investment Adviser LLC | 0.03% | Reduce -8.6% | 103,412 | $465K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 89,582 | $403K |
| State of Wisconsin Investment Board | 0.00% | Reduce -4.8% | 88,359 | $398K |
| JPMorgan Chase & Co. | 0.00% | Reduce -11.1% | 87,049 | $374K |
| MetLife Investment Management, LLC | 0.00% | Add +10.7% | 81,069 | $365K |
| JBF Capital, Inc. | 0.05% | New | 80,281 | $361K |
| SG Americas Securities, LLC | 0.00% | Add +89.8% | 79,033 | $356K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +3.0% | 79,466 | $356K |
| Exome Asset Management LLC | 0.20% | No change | 75,484 | $340K |
| DRW Securities, LLC | 0.02% | New | 69,089 | $311K |
| Rockefeller Capital Management L.P. | 0.00% | No change | 63,000 | $284K |
| Janus Henderson Group PLC | 0.00% | No change | 60,900 | $274K |
| Creative Planning | 0.00% | Add +15.8% | 60,117 | $271K |
| Wells Fargo & Company | 0.00% | Reduce -64.8% | 58,709 | $264K |
| Magnetar Financial LLC | 0.00% | New | 58,516 | $263K |
| Virtus Investment Advisers, LLC | 0.07% | Add +2.5% | 57,895 | $261K |
| Profund Advisors LLC | 0.01% | Add +24.7% | 56,257 | $253K |
| Vanguard Global Advisers, LLC | 0.00% | — | 55,152 | $248K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Reduce -2.4% | 52,762 | $237K |
| Group One Trading LLC | 0.01% | Reduce -13.0% | 50,843 | $229K |
| State of New Jersey Common Pension Fund D | 0.00% | New | 49,296 | $222K |
| Quantinno Capital Management LP | 0.00% | Reduce -10.9% | 48,715 | $219K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -10.6% | 42,429 | $191K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 41,664 | $187K |
| BNP Paribas Financial Markets | 0.00% | Reduce -33.8% | 41,561 | $187K |
| XTX Topco Ltd | 0.00% | New | 40,021 | $180K |
| Premier Path Wealth Partners, LLC | 0.02% | No change | 40,000 | $180K |
| Arizona State Retirement System | 0.00% | Reduce -0.9% | 39,620 | $178K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 35,820 | $161K |
| New York State Common Retirement Fund | 0.00% | No change | 35,268 | $159K |
| China Universal Asset Management Co., Ltd. | 0.01% | Add +8.9% | 34,129 | $154K |
| Intech Investment Management LLC | 0.00% | Reduce -52.4% | 33,574 | $151K |
| Inceptionr LLC | 0.04% | Add +14.7% | 32,580 | $147K |
| Vanguard Investments Australia, Ltd. | 0.00% | — | 31,288 | $141K |
| KLP Kapitalforvaltning As | 0.00% | No change | 30,900 | $139K |
| ProShare Advisors LLC | 0.00% | Reduce -15.5% | 30,551 | $137K |
| Voya Investment Management LLC | 0.00% | Reduce -2.3% | 28,676 | $129K |
| Ensign Peak Advisors, Inc | 0.00% | No change | 27,600 | $124K |
| Clear Harbor Asset Management, LLC | 0.01% | Reduce -63.9% | 27,000 | $122K |
| Moneta Group Investment Advisors LLC | 0.00% | No change | 26,000 | $117K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | New | 25,859 | $116K |
"% of holder's portfolio" is ABUS's weight in each manager's 13F, not the share of Arbutus Biopharma Corp. the manager owns.