ARBUTUS BIOPHARMA CORP ABUS
COM · Common Stock · CUSIP 03879J100 · ISIN CA03879J1003
Canadian Bio Tech Company
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersWarminster, PA
- Founded2007
- Websitearbutusbio.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 156.5m as of 2022-11-08, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $1.91. Options: 10 managers hold calls ($1.9m notional), 10 hold puts ($1.3m).
Biggest calls
| GROUP ONE TRADING LLC | — | $591.0k309.3k shares |
| CITADEL ADVISORS LLC | — | $418.0k218.8k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | — | $277.0k145.2k shares |
| Caption Management, LLC | — | $192.0k100.0k shares |
| PEAK6 Investments LLC | — | $191.0k100.1k shares |
| SIMPLEX TRADING, LLC | — | $158.0k83.2k shares |
| WOLVERINE TRADING, LLC | — | $71.0k36.0k shares |
| JANE STREET GROUP, LLC | — | $49.0k25.5k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | — | $00 shares |
| Cutler Group LLC / CA | — | $0200 shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | — | $516.0k270.3k shares |
| PEAK6 Investments LLC | — | $299.0k156.8k shares |
| Caption Management, LLC | — | $192.0k100.0k shares |
| CITADEL ADVISORS LLC | — | $98.0k51.4k shares |
| WOLVERINE TRADING, LLC | — | $54.0k27.3k shares |
| GROUP ONE TRADING LLC | — | $53.0k27.5k shares |
| SIMPLEX TRADING, LLC | — | $38.0k20.1k shares |
| Parallax Volatility Advisers, L.P. | — | $1.0k500 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | — | $00 shares |
| Cutler Group LLC / CA | — | $0700 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
Roivant Sciences Ltd.
13D · may seek influence
-1.0 pts · filed 2026-10-05
Stated purposeItem 4 is hereby amended by adding the following to the end thereof: On August 24, 2026, the Issuer commenced a modified Dutch auction tender offer to purchase for cancellation up to US$230 million in value of its Common Shares at prices between US$5.00 and US$5.75 per Common Share (the "Offer"), which included the option for shareholders to make a proportionate tender. Roivant made a proportionate tender of its Common Shares in the Offer in order to maintain its proportionate ownership of the Common Shares following completion of the Offer. The Offer expired at 5:00 p.m., New York City time, on September 29, 2026. On October 1, 2026, the Issuer announced that it had taken up and accepted for purchase 46,000,000 Common Shares at a purchase price of US$5.00 per Common Share, including 8,96… Full filing |
19.5% |
| MORGAN STANLEY 13G · institution +3.4 pts · filed 2026-10-07 | 12.2% |
| Two Seas Capital LP 13G · institution +2.9 pts · filed 2026-05-15 | 9.4% |
| Whitefort Capital Management, LP 13G · passive investor no change · filed 2026-09-04 | 8.0% |
| BlackRock, Inc. 13G · institution filed 2026-10-27 | 7.2% |
Insider purchases and sales in Q3 2022
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2020 | 0 | — | 0 | — | — |
| Q1 2021 | 0 | — | 0 | — | — |
| Q2 2021 | 0 | — | 0 | — | — |
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 1 | $1.0m | — |
| Q1 2022 | 0 | — | 0 | — | — |
| Q2 2022 | 0 | — | 0 | — | — |
| Q3 2022 | 0 | — | 0 | — | — |
None reported in Q3 2022.
Holders, Q3 2022
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.00% of their portfolio | 7.5m $14.3m | — |
| Two Seas Capital LP 12.39% of their portfolio | 5.7m $10.8m | — |
| VANGUARD GROUP INC 0.00% of their portfolio | 5.3m $10.1m | — |
| Hudson Bay Capital Management LP 0.10% of their portfolio | 5.0m $9.5m | — |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 3.5m $6.7m | — |
| STATE STREET CORP 0.00% of their portfolio | 2.0m $3.8m | — |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 2.0m $3.8m | — |
| FourWorld Capital Management LLC 7.43% of their portfolio | 2.0m $3.8m | — |
| Assenagon Asset Management S.A. 0.02% of their portfolio | 1.9m $3.6m | — |
| OSAIC HOLDINGS, INC. 0.01% of their portfolio | 1.4m $2.6m | — |
| Oasis Management Co Ltd. 0.34% of their portfolio | 1.0m $2.0m | — |
| NORTHERN TRUST CORP 0.00% of their portfolio | 900.5k $1.7m | — |
| BOOTHBAY FUND MANAGEMENT, LLC 0.05% of their portfolio | 767.4k $1.5m | — |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 651.0k $1.2m | — |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 433.6k $828.0k | — |
| PRIMECAP MANAGEMENT CO/CA/ 0.00% of their portfolio | 423.3k $809.0k | — |
| MARSHALL WACE, LLP 0.00% of their portfolio | 392.9k $751.0k | — |
| Bank of New York Mellon Corp 0.00% of their portfolio | 385.5k $736.0k | — |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 326.1k $623.0k | — |
| BANK OF MONTREAL /CAN/ 0.00% of their portfolio | 320.0k $707.0k | — |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 289.6k $553.0k | — |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 287.4k $549.0k | — |
| DekaBank Deutsche Girozentrale 0.00% of their portfolio | 250.0k $485.0k | — |
| JACOB ASSET MANAGEMENT OF NEW YORK LLC 0.46% of their portfolio | 220.0k $420.0k | — |
| MORGAN STANLEY 0.00% of their portfolio | 212.0k $405.0k | — |
| Parallax Volatility Advisers, L.P. 0.01% of their portfolio | 200.5k $383.0k | — |
| Kepos Capital LP 0.05% of their portfolio | 200.0k $382.0k | — |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 187.8k $358.0k | — |
| FMR LLC 0.00% of their portfolio | 186.8k $357.0k | — |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio | 183.9k $351.0k | — |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 142.8k $273.0k | — |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 136.3k $260.0k | — |
| GSA CAPITAL PARTNERS LLP 0.02% of their portfolio | 94.8k $181.0k | — |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 92.5k $177.0k | — |
| Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio | 90.5k $173.0k | — |
| Man Group plc 0.00% of their portfolio | 87.2k $167.0k | — |
| ALPS ADVISORS INC 0.00% of their portfolio | 81.9k $156.0k | — |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 75.5k $144.0k | — |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 69.7k $133.0k | — |
| PEAK6 Investments LLC 0.00% of their portfolio | 62.4k $119.0k | — |
| MetLife Investment Management, LLC 0.00% of their portfolio | 58.5k $111.7k | — |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 55.2k $105.0k | — |
| Rafferty Asset Management, LLC 0.00% of their portfolio | 54.3k $104.0k | — |
| LMR Partners LLP 0.00% of their portfolio | 53.9k $103.0k | — |
| PRELUDE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 53.9k $103.0k | — |
| AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio | 51.3k $98.0k | — |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 49.5k $94.0k | — |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 45.7k $87.0k | — |
| ETF MANAGERS GROUP, LLC 0.00% of their portfolio | 44.2k $85.0k | — |
| VIRTUS ADVISERS, LLC 0.03% of their portfolio | 43.0k $82.0k | — |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 42.6k $81.0k | — |
| OCCUDO QUANTITATIVE STRATEGIES LP 0.01% of their portfolio | 42.5k $81.0k | — |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 42.2k $80.6k | — |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 42.0k $80.2k | — |
| Wealth Management Associates, Inc. 0.05% of their portfolio | 40.9k $78.1k | — |
| SIMPLEX TRADING, LLC 0.00% of their portfolio | 40.6k $77.0k | — |
| XTX Topco Ltd 0.02% of their portfolio | 39.8k $76.0k | — |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio | 39.0k $74.0k | — |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 38.7k $73.9k | — |
| Invesco Ltd. 0.00% of their portfolio | 38.0k $72.0k | — |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 34.4k $65.0k | — |
| Caption Management, LLC 0.01% of their portfolio | 33.8k $64.0k | — |
| State of Wyoming 0.03% of their portfolio | 32.8k $63.0k | — |
| Schonfeld Strategic Advisors LLC 0.00% of their portfolio | 31.9k $61.0k | — |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 31.8k $61.0k | — |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 31.6k $60.0k | — |
| SG Americas Securities, LLC 0.00% of their portfolio | 29.5k $56.0k | — |
| VERUS CAPITAL PARTNERS, LLC 0.01% of their portfolio | 27.7k $53.0k | — |
| ProShare Advisors LLC 0.00% of their portfolio | 24.5k $47.0k | — |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 24.4k $47.0k | — |
| LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio | 23.5k $44.0k | — |
| Leonteq Securities AG 0.00% of their portfolio | 23.0k $43.9k | — |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 22.8k $44.0k | — |
| Verition Fund Management LLC 0.00% of their portfolio | 22.0k $42.0k | — |
| Aquatic Capital Management LLC 0.00% of their portfolio | 21.6k $41.0k | — |
| PATHSTONE FAMILY OFFICE, LLC 0.00% of their portfolio | 20.0k $38.1k | — |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 18.9k $36.0k | — |
| Dynamic Technology Lab Private Ltd 0.00% of their portfolio | 18.5k $35.0k | — |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 18.1k $35.0k | — |
| BUCKINGHAM STRATEGIC WEALTH, LLC 0.00% of their portfolio | 17.7k $34.0k | — |
| AMALGAMATED BANK 0.00% of their portfolio | 15.7k $30.0k | — |
| Arete Wealth Advisors, LLC 0.00% of their portfolio | 15.0k $29.0k | — |
| Simplicity Solutions, LLC 0.00% of their portfolio | 14.3k $27.0k | — |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 14.0k $27.0k | — |
| MONETA GROUP INVESTMENT ADVISORS LLC 0.00% of their portfolio | 13.1k $25.0k | — |
| Mariner, LLC 0.00% of their portfolio | 13.0k $25.0k | — |
| WMG Financial Advisors, LLC 0.02% of their portfolio | 12.6k $24.0k | — |
| Balyasny Asset Management L.P. 0.00% of their portfolio | 12.2k $23.0k | — |
| Legal & General Group Plc 0.00% of their portfolio | 12.2k $23.0k | — |
| Apollon Wealth Management, LLC 0.00% of their portfolio | 11.6k $22.0k | — |
| WOLVERINE TRADING, LLC 0.00% of their portfolio | 11.0k $22.0k | — |
| Cubist Systematic Strategies, LLC 0.00% of their portfolio | 10.7k $20.0k | — |
| BENJAMIN F. EDWARDS & COMPANY, INC. 0.00% of their portfolio | 10.7k $20.0k | — |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 10.6k $21.0k | — |
| Front Row Advisors LLC 0.01% of their portfolio | 10.5k $20.0k | — |
| Point72 Hong Kong Ltd 0.00% of their portfolio | 9.2k $18.0k | — |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 7.9k $14.0k | — |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio | 7.4k $14.0k | — |
| Financial Synergies Wealth Advisors, Inc. 0.00% of their portfolio | 7.3k $14.0k | — |
| Metropolitan Life Insurance Co/NY 0.00% of their portfolio | 6.6k $12.6k | — |