Arbutus Biopharma Ownership | Who Owns Arbutus Biopharma?
Arbutus Biopharma Ownership Summary
Arbutus Biopharma is owned by 69.85% institutional investors, 20.46% insiders, and 9.69% retail investors. Morgan stanley is the largest institutional shareholder, holding 13.51% of ABUS shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.57% of its assets in Arbutus Biopharma shares.
ABUS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Arbutus Biopharma | 69.85% | 20.46% | 9.69% |
| Sector | Healthcare Stocks | 35.58% | 11.87% | 52.55% |
| Industry | Biotech Stocks | 35.75% | 11.83% | 52.41% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Morgan stanley | 25.89M | 13.51% | $116.51M |
| Two seas capital lp | 18.56M | 9.69% | $83.51M |
| Whitefort capital management, lp | 14.93M | 7.79% | $67.19M |
| Blackrock funding, inc. /de | 12.97M | 6.77% | $58.35M |
| Blackrock | 11.55M | 6.58% | $35.70M |
| Vanguard group | 9.24M | 4.82% | $44.46M |
| Rubric capital management lp | 6.63M | 3.46% | $29.82M |
| State street | 6.34M | 3.31% | $28.54M |
| Barclays | 4.32M | 2.25% | $19.42M |
| Geode capital management | 3.77M | 1.97% | $16.98M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Whitefort capital management, lp | 14.93M | 19.81% | $67.19M |
| Fourworld capital management | 1.02M | 7.32% | $4.63M |
| Corbin capital partners | 682.49K | 3.64% | $2.23M |
| Foursixthree capital lp | 1.98M | 2.47% | $8.98M |
| Rangeley capital | 500.00K | 2.19% | $2.25M |
| Adar1 capital management | 2.90M | 1.24% | $13.18M |
| Western standard | 521.59K | 1.23% | $2.35M |
| Two seas capital lp | 18.56M | 1.17% | $83.51M |
| Blackbarn capital partners lp | 2.50M | 0.91% | $11.25M |
| Ledgewood wealth advisors | 278.44K | 0.71% | $1.25M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Two seas capital lp | 18.56M | 1.17% | 5.97M |
| Rubric capital management lp | 6.63M | 0.32% | 5.05M |
| Barclays | 4.32M | 0.00% | 3.96M |
| Legal & general group | 2.40M | 0.00% | 2.28M |
| Jefferies financial group | 1.89M | 0.06% | 1.89M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Adage capital partners gp | 2.66M | 0.02% | -1.68M |
| Stempoint capital lp | - | - | -986.75K |
| Morgan stanley | 25.89M | 0.01% | -811.30K |
| Abrdn | - | - | -799.98K |
| Foursixthree capital lp | 1.98M | 2.47% | -578.39K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Jefferies financial group | 1.89M | 0.06% | 1.89M | $8.52M |
| Vanguard fiduciary trust | 1.06M | 0.00% | 1.06M | $4.78M |
| Carrera capital advisors | 252.16K | 0.17% | 252.16K | $1.13M |
| Murchinson | 200.00K | 0.12% | 200.00K | $908.00K |
| Avidity partners management lp | 125.00K | 0.12% | 125.00K | $525.00K |
Sold Out
| Holder | Change |
|---|---|
| Federated hermes | -3.00 |
| Nelson, van denburg & campbell wealth management group | -24.00 |
| Private wealth asset management | -51.00 |
| Central trust | -100.00 |
| Opal wealth advisors | -100.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 168 | -11.58% | 133,826,437 | 9.67% | 69 | 1.73% | 74 | -6.33% | 47 | 9.30% |
| Dec 31, 2025 | 93 | -49.46% | 44,562,587 | -62.29% | 23 | 0.61% | 35 | -56.79% | 21 | -58.82% |
| Sep 30, 2025 | 75 | -54.55% | 31,275,575 | -65.40% | 16 | 0.73% | 29 | -61.33% | 24 | -44.19% |
| Jun 30, 2025 | 173 | -6.49% | 118,008,158 | 5.57% | 61 | 1.79% | 79 | 6.76% | 43 | -18.87% |
| Mar 31, 2025 | 9 | -94.48% | 30,187,875 | -70.98% | 16 | 0.54% | 8 | -89.19% | - | -100.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 4.92M | 2.57% | - |
| Vanguard Total Stock Mkt Idx Inv | 4.81M | 2.44% | - |
| Morgan Stanley Insight A | 4.24M | 2.23% | 399.58K |
| Morgan Stanley Insight | 3.83M | 1.95% | -101.83K |
| Morgan Stanley Insight I | 3.83M | 1.95% | -101.83K |
| iShares Russell 2000 ETF | 3.58M | 1.82% | 30.17K |
| MS INVF Global Insight Z | 2.50M | 1.30% | - |
| State Street® SPDR® S&P® Biotech ETF | 2.46M | 1.25% | -25.45K |
| Morgan Stanley Inception | 2.03M | 1.03% | -121.90K |
| Morgan Stanley Inst Inception I | 2.03M | 1.03% | -121.90K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Feb 04, 2025 | HASTINGS DAVID C | Chief Financial Officer | Sell | $72.83K |
| Feb 04, 2025 | Sims Karen | Chief Medical Officer | Sell | $63.52K |
| Feb 04, 2025 | McElhaugh Michael J. | Interim President & CEO | Sell | $78.10K |
| Feb 04, 2025 | Naftzger J. Christopher | General Counsel and CCO | Sell | $37.21K |
| Aug 14, 2024 | MANCHESTER KEITH S | - | Sell | $32.64K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | - |
| 2025 Q3 | - | - |
| 2025 Q1 | - | 4 |
| 2024 Q3 | - | 1 |
| 2024 Q2 | - | - |
ABUS Ownership FAQ
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