IONS icon

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
SGA
76
Sector Gamma AS
Norway
$17.7M
GKIM
77
GW&K Investment Management
Massachusetts
$17.3M
AG
78
Algert Global
California
$16.5M
PFM
79
Privium Fund Management
Netherlands
$16.3M
Raymond James Financial
80
Raymond James Financial
Florida
$15.7M
JG
81
Jain Global
New York
$14.8M
OIC
82
Orion Investment Company
Missouri
$14.7M
California Public Employees Retirement System
83
California Public Employees Retirement System
California
$14.1M
TI
84
Trexquant Investment
Connecticut
$14.1M
Stifel Financial
85
Stifel Financial
Missouri
$13.3M
SSA
86
Schonfeld Strategic Advisors
New York
$13.1M
Universal-Beteiligungs- und Servicegesellschaft
87
Universal-Beteiligungs- und Servicegesellschaft
Germany
$12.9M
TAM
88
Tocqueville Asset Management
New York
$12.6M
GLA
89
Great Lakes Advisors
Illinois
$12.2M
RhumbLine Advisers
90
RhumbLine Advisers
Massachusetts
$11.9M
CCM
91
Cinctive Capital Management
New York
$11.4M
SA
92
Sovran Advisors
California
$11.2M
SIMG
93
Sonora Investment Management Group
Arizona
$11.1M
New York State Common Retirement Fund
94
New York State Common Retirement Fund
New York
$11M
SA
95
Sicart Associates
New York
$10.7M
BFM
96
Boothbay Fund Management
New York
$10.7M
CFM
97
Capricorn Fund Managers
United Kingdom
$10.7M
ACM
98
Aquatic Capital Management
Illinois
$10.4M
EDRH
99
Edmond de Rothschild Holding
Switzerland
$10.3M
Citigroup
100
Citigroup
New York
$10.2M