Arbutus Biopharma Ownership | Who Owns Arbutus Biopharma?
Arbutus Biopharma Ownership Summary
Arbutus Biopharma is owned by 23.24% institutional investors, 21.80% insiders, and 54.96% retail investors. Morgan stanley is the largest institutional shareholder, holding 13.92% 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 | 23.24% | 21.80% | 54.96% |
| Sector | Healthcare Stocks | 231.98% | 10.74% | -142.72% |
| Industry | Biotech Stocks | 381.47% | 10.55% | -292.02% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Morgan stanley | 26.70M | 13.92% | $128.44M |
| Whitefort capital management, lp | 13.34M | 6.97% | $60.58M |
| Blackrock funding, inc. /de | 13.05M | 6.81% | $62.78M |
| Blackrock | 11.55M | 6.58% | $35.70M |
| Two seas capital lp | 12.59M | 6.56% | $60.55M |
| Vanguard group | 9.24M | 4.82% | $44.46M |
| Adage capital partners gp | 5.01M | 2.62% | $22.77M |
| State street | 4.10M | 2.14% | $18.61M |
| Geode capital management | 3.68M | 1.92% | $17.69M |
| Adar1 capital management | 2.90M | 1.52% | $13.18M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Whitefort capital management, lp | 13.34M | 17.90% | $60.58M |
| Fourworld capital management | 1.02M | 7.32% | $4.63M |
| Corbin capital partners | 682.49K | 3.64% | $2.23M |
| Rangeley capital | 840.00K | 3.30% | $3.81M |
| Foursixthree capital lp | 1.98M | 2.47% | $8.98M |
| Two seas capital lp | 12.59M | 1.25% | $60.55M |
| Adar1 capital management | 2.90M | 1.24% | $13.18M |
| Western standard | 507.85K | 1.13% | $2.44M |
| Ledgewood wealth advisors | 278.44K | 0.77% | $1.34M |
| Blackbarn capital partners lp | 2.00M | 0.65% | $9.08M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Adage capital partners gp | 5.01M | 0.04% | 2.44M |
| Morgan stanley | 26.70M | 0.01% | 2.25M |
| Two seas capital lp | 12.59M | 1.25% | 1.60M |
| Blackrock | 11.55M | 0.00% | 1.15M |
| Ubs asset management americas | 890.90K | 0.00% | 890.90K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Goldman sachs group | 738.58K | 0.00% | -1.43M |
| Abrdn | - | - | -799.98K |
| Ubs group | 147.29K | 0.00% | -627.30K |
| Blackbarn capital partners lp | 2.00M | 0.65% | -603.52K |
| Saba capital management | 678.77K | 0.08% | -581.36K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Murchinson | 200.00K | 0.12% | 200.00K | $908.00K |
| Alphacentric advisors | 47.92K | 0.23% | 47.92K | $230.52K |
| Quantinno capital management lp | 35.90K | 0.00% | 35.90K | $162.97K |
| Inceptionr | 28.42K | 0.04% | 28.42K | $136.69K |
| Dynamic technology lab private | 25.78K | 0.03% | 25.78K | $124.00K |
Sold Out
| Holder | Change |
|---|---|
| Federated hermes | -3.00 |
| Nelson, van denburg & campbell wealth management group | -24.00 |
| Central trust | -100.00 |
| Opal wealth advisors | -100.00 |
| Gamma investing | -127.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Dec 31, 2024 | 161 | 5.23% | 103,747,487 | 2.96% | 54 | 1.93% | 73 | -5.19% | 44 | 41.94% |
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 | 2.50% | - |
| Morgan Stanley Insight A | 4.24M | 2.23% | 399.58K |
| Morgan Stanley Insight I | 3.94M | 2.05% | -164.11K |
| Morgan Stanley Insight | 3.94M | 2.05% | -164.11K |
| iShares Russell 2000 ETF | 3.64M | 1.89% | 1.39M |
| MS INVF Global Insight Z | 2.50M | 1.30% | - |
| Morgan Stanley Inception | 2.15M | 1.12% | 49.59K |
| Morgan Stanley Inst Inception I | 2.15M | 1.12% | -34.39K |
| State Street® SPDR® S&P® Biotech ETF | 2.01M | 1.04% | -10.79K |
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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