Arbutus Biopharma Corp
Total Trades
8
Buys
0
Sells
4
Largest Trade
N/A
Insiders
4
Institutional Funds
134
Inst. Value
$1M+
Activist Filings
16
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Sims Karen | Chief Medical Offi… | GRANT | N/A | 101K | — | Feb 6, 2024 |
| Sims Karen | Chief Medical Offi… | SELL | $1K–$15K | 4K | $2.31 | Feb 6, 2024 |
| HASTINGS DAVID C | CFO | GRANT | N/A | 113K | — | Feb 6, 2024 |
| HASTINGS DAVID C | CFO | SELL | $15K–$50K | 10K | $2.31 | Feb 6, 2024 |
| Sofia Michael J. | Chief Scientific O… | GRANT | N/A | 110K | — | Feb 6, 2024 |
| Sofia Michael J. | Chief Scientific O… | SELL | $15K–$50K | 10K | $2.31 | Feb 6, 2024 |
| McElhaugh Michael J. | Interim President … | GRANT | N/A | 124K | — | Feb 6, 2024 |
| McElhaugh Michael J. | Interim President … | SELL | $15K–$50K | 10K | $2.31 | Feb 6, 2024 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 134 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Whitefort Capital Management, LP | 13.3M | $1M+ | SH |
| Two Seas Capital LP | 12.6M | $1M+ | SH |
| VANGUARD GROUP INC | 8.0M | $1M+ | SH |
| STATE STREET CORP | 5.9M | $1M+ | SH |
| ADAR1 Capital Management, LLC | 5.4M | $1M+ | SH |
| ADAR1 Capital Management, LLC | 5.4M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 3.2M | $1M+ | SH |
| Rubric Capital Management LP | 1.6M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.6M | $1M+ | SH |
| BANK OF MONTREAL /CAN/ | 767K | $1M+ | SH |
| Hudson Bay Capital Management LP | 675K | $1M+ | SH |
| CITIGROUP INC | 608K | $1M+ | SH |
| Affinity Asset Advisors, LLC | 522K | $1M+ | SH (Call) |
| Quinn Opportunity Partners LLC | 515K | $1M+ | SH |
| Western Standard LLC | 508K | $1M+ | SH |
| KENNEDY CAPITAL MANAGEMENT LLC | 505K | $1M+ | SH |
| Freestone Capital Holdings, LLC | 443K | $1M+ | SH |
| BARCLAYS PLC | 357K | $1M+ | SH |
| Saba Capital Management, L.P. | 348K | $1M+ | SH |
| Swiss National Bank | 283K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 17, 2026
6.5%
12.6M shares
SC 13G/A · Feb 11, 2026
13.5%
25.9M shares
SC 13G · Aug 13, 2025
5.4%
10.4M shares
SC 13D/A · Feb 25, 2025
20.5%
38.8M shares
Whitefort Capital Master Fund, LP
SC 13D/A · Feb 21, 2025
7.0%
13.3M shares
SC 13D/A · Feb 18, 2025
20.5%
38.8M shares
SC 13G/A · Feb 3, 2025
11.4%
21.5M shares
SC 13G/A · Nov 14, 2024
4.4%
8.4M shares
Morgan Stanley I.R.S. # 36-3145972
SC 13G · Jun 10, 2024
10.3%
19.4M shares
Whitefort Capital Master Fund, LP
SC 13D/A · May 17, 2024
6.8%
12.9M shares
Whitefort Capital Master Fund, LP
SC 13D · May 9, 2024
6.8%
12.9M shares
Whitefort Capital Management, LP
SC 13G/A · Feb 14, 2024
7.9%
13.2M shares
SC 13G/A · Feb 14, 2024
5.4%
9.0M shares
SC 13G · Nov 21, 2023
5.7%
9.5M shares
Whitefort Capital Management, LP
SC 13G · Sep 11, 2023
6.0%
10.0M shares
SC 13G/A · Feb 14, 2022
1.7%
2.5M shares