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Ionis Pharmaceuticals

428 hedge funds and large institutions have $11B invested in Ionis Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 114 funds opening new positions, 134 increasing their positions, 116 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

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

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

16% more repeat investments, than reductions

Existing positions increased: 134 | Existing positions reduced: 116

0% more funds holding in top 10

Funds holding in top 10: 1212 (0)

0.59% less ownership

Funds ownership: 106.09%105.5% (-0.59%)

Holders
428
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
$170M
Puts
$74.8M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Skandinaviska Enskilda Banken (SEB)
101
Skandinaviska Enskilda Banken (SEB)
Sweden
$10.2M
ECM
102
ExodusPoint Capital Management
New York
$9.95M
N
103
Natixis
France
$9.5M
California State Teachers Retirement System (CalSTRS)
104
California State Teachers Retirement System (CalSTRS)
California
$9.49M
State Board of Administration of Florida Retirement System
105
State Board of Administration of Florida Retirement System
Florida
$9.39M
LOAME
106
Lombard Odier Asset Management (Europe)
United Kingdom
$8.96M
ACM
107
ADAR1 Capital Management
Texas
$8.75M
EAM
108
Exome Asset Management
New York
$8.57M
Rafferty Asset Management
109
Rafferty Asset Management
New York
$8.23M
KCM
110
Kennedy Capital Management
Missouri
$8.03M
SEI Investments
111
SEI Investments
Pennsylvania
$7.79M
BBA
112
BLB&B Advisors
Pennsylvania
$7.76M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
113
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$7.59M
Sumitomo Mitsui Trust Group
114
Sumitomo Mitsui Trust Group
Japan
$7.51M
Neuberger Berman Group
115
Neuberger Berman Group
New York
$7.51M
NAMA
116
Nikko Asset Management Americas
New York
$7.49M
VanEck Associates
117
VanEck Associates
New York
$7.32M
VOYA Investment Management
118
VOYA Investment Management
Georgia
$7.3M
Acadian Asset Management
119
Acadian Asset Management
Massachusetts
$7.21M
DA
120
DCF Advisers
Connecticut
$7.09M
Amundi
121
Amundi
France
$7.01M
Simplex Trading
122
Simplex Trading
Illinois
$6.55M
Manulife (Manufacturers Life Insurance)
123
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$6.41M
State of Wisconsin Investment Board
124
State of Wisconsin Investment Board
Wisconsin
$6.34M
JGC
125
J. Goldman & Co
New York
$6.29M