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Ionis Pharmaceuticals

361 hedge funds and large institutions have $6.67B invested in Ionis Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 81 funds opening new positions, 121 increasing their positions, 108 reducing their positions, and 59 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 first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

12% more repeat investments, than reductions

Existing positions increased: 121 | Existing positions reduced: 108

6% more funds holding

Funds holding: 341361 (+20)

1.75% more ownership

Funds ownership: 104.33%106.09% (+1.8%)

Holders
361
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$65.2M
Puts
$30M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
151
$1.29M
152
$1.27M
153
$1.26M
154
$1.24M
155
$1.23M
156
$1.22M
157
$1.18M
158
$1.17M
159
$1.16M
160
$1.14M
161
$1.11M
162
$1.11M
163
$1.03M
164
$1.01M
165
$983K
166
$952K
167
$899K
168
$885K
169
$884K
170
$827K
171
$820K
172
$732K
173
$716K
174
$698K
175
$693K