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Ionis Pharmaceuticals

359 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, 120 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: $ → $

11% more repeat investments, than reductions

Existing positions increased: 120 | Existing positions reduced: 108

6% more funds holding

Funds holding: 339359 (+20)

1.75% more ownership

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

Holders
359
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
FCM
176
Fieldview Capital Management
Michigan
$684K
SC
177
SummitTX Capital
Texas
$678K
NSAM
178
North Star Asset Management
Wisconsin
$656K
BCM
179
Bayesian Capital Management
New York
$656K
EFM
180
E Fund Management
China
$638K
Public Employees Retirement Association of Colorado
181
Public Employees Retirement Association of Colorado
Colorado
$616K
SWP
182
Significant Wealth Partners
Illinois
$613K
CC
183
Corton Capital
Ontario, Canada
$570K
VAS
184
Vestmark Advisory Solutions
Massachusetts
$567K
GAM
185
Gotham Asset Management
New York
$564K
Commonwealth Equity Services
186
Commonwealth Equity Services
Massachusetts
$551K
Envestnet Asset Management
187
Envestnet Asset Management
Illinois
$535K
IEFM
188
IQ EQ Fund Management
Ireland
$524K
Marshall Wace
189
Marshall Wace
United Kingdom
$518K
WP
190
Westmount Partners
California
$512K
AGWCA
191
Annis Gardner Whiting Capital Advisors
Florida
$506K
PP
192
Paloma Partners
Connecticut
$496K
VIA
193
Virtus Investment Advisers
Connecticut
$493K
DnB Asset Management
194
DnB Asset Management
Norway
$485K
Northwestern Mutual Wealth Management
195
Northwestern Mutual Wealth Management
Wisconsin
$484K
Brown Advisory
196
Brown Advisory
Maryland
$482K
VPIM
197
Vanguard Personalized Indexing Management
California
$477K
VA
198
Vident Advisory
Georgia
$474K
HKAM
199
Horizon Kinetics Asset Management
New York
$472K
P
200
&Partners
Tennessee
$465K