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Arbutus Biopharma

166 hedge funds and large institutions have $536M invested in Arbutus Biopharma in 2025 Q3 according to their latest regulatory filings, with 21 funds opening new positions, 51 increasing their positions, 54 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more first-time investments, than exits

New positions opened: | Existing positions closed:

2% more funds holding

Funds holding: 162166 (+4)

0.03% less ownership

Funds ownership: 61.67%61.64% (-0.03%)

6% less repeat investments, than reductions

Existing positions increased: 51 | Existing positions reduced: 54

Holders
166
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$12.5M
Puts
$3.26M
Net Calls
Net Calls Change

Top Buyers

1 +$8.96M
2 +$2.15M
3 +$2.01M
4
WSL
Western Standard LLC
California
+$1.87M
5
Morgan Stanley
Morgan Stanley
New York
+$1.06M

Top Sellers

1 -$3.31M
2 -$3.18M
3 -$2.22M
4
SCM
Saba Capital Management
New York
-$2.14M
5
FC
Foursixthree Capital
New York
-$2.12M
Name Holding Trade Value Shares
Change
Change in
Stake
151
$3.66K
152
$3.35K
153
$3.18K
154
$2.73K
155
$2.27K
156
$2.27K
157
$2K
158
$1.26K
159
$1.16K
160
$1.1K
161
$1.04K
162
$908
163
$822
164
$540
165
$523
166
$232
167
168
169
170
171
172
173
174
175