Institutional Ownership Ionis Pharmaceuticals Inc (IONS)
This table provides information about the institutional ownership of Ionis Pharmaceuticals Inc (IONS). We have compiled data on the 402 institutions that hold shares in the stock, with a total of 145 Million shares, which have been reported (via 13F filing form) to have a value of $6.13 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Rafferty Asset Management, LLC
New York, NY |
May 14, 2025 Q1 2025 |
176,248
shares
|
$7.43 Million
0.02% of portfolio
|
Q1 2025
Reduced 25.74%
|
|
|
Sonora Investment Management Group, LLC
Tucson, AZ |
Jul 17, 2025 Q2 2025 |
163,172
shares
|
$6.88 Million
0.51% of portfolio
|
Q2 2025
Added 5.85%
|
|
|
Susquehanna Fundamental Investments, LLC
Bala Cynwyd, PA |
May 14, 2025 Q1 2025 |
158,609
shares
|
$6.69 Million
0.07% of portfolio
|
Q1 2025
Reduced 25.54%
|
|
|
Aquatic Capital Management LLC
Chicago, IL |
May 15, 2025 Q1 2025 |
156,157
shares
|
$6.59 Million
0.12% of portfolio
|
Q1 2025
Reduced 32.11%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
May 14, 2025 Q1 2025 |
153,514
shares
|
$6.47 Million
0.01% of portfolio
|
Q1 2025
Reduced 25.3%
|
|
|
State Board Of Administration Of Florida Retirement System
|
May 12, 2025 Q1 2025 |
152,315
shares
|
$6.42 Million
0.01% of portfolio
|
Q4 2024
Added 0.83%
|
|
|
Blb&B Advisors, LLC
|
Apr 25, 2025 Q1 2025 |
152,200
shares
|
$6.42 Million
0.24% of portfolio
|
Q1 2025
Added 0.1%
|
|
|
Kennedy Capital Management, Inc.
St Louis, MO |
May 13, 2025 Q1 2025 |
150,424
shares
|
$6.34 Million
0.11% of portfolio
|
Q1 2025
Reduced 32.63%
|
|
|
Tang Capital Management LLC
San Diego, CA |
May 15, 2025 Q1 2025 |
150,000
shares
|
$6.33 Million
0.29% of portfolio
|
Q1 2024
Reduced 25.0%
|
|
|
Raymond James Financial Inc
St. Petersburg, FL |
May 13, 2025 Q1 2025 |
148,690
shares
|
$6.27 Million
0.0% of portfolio
|
Q1 2025
Added 40.78%
|
|
|
Universal Beteiligungs Und Servicegesellschaft Mb H
Frankfurt Am Main, 2M |
May 06, 2025 Q1 2025 |
143,870
shares
|
$6.07 Million
0.01% of portfolio
|
Q1 2025
New holding
|
|
|
Nikko Asset Management Americas, Inc.
|
May 07, 2025 Q1 2025 |
142,433
shares
|
$6.01 Million
0.06% of portfolio
|
Q1 2025
Reduced 9.08%
|
|
|
Sumitomo Mitsui Trust Holdings, Inc.
|
Apr 25, 2025 Q1 2025 |
142,433
shares
|
$6.01 Million
0.0% of portfolio
|
Q1 2025
Reduced 9.08%
|
|
|
Exome Asset Management LLC
New York, NY |
May 15, 2025 Q1 2025 |
135,616
shares
|
$5.72 Million
3.64% of portfolio
|
Q1 2025
Added 120.99%
|
|
|
California State Teachers Retirement System
West Sacramento, CA |
May 15, 2025 Q1 2025 |
132,238
shares
|
$5.58 Million
0.01% of portfolio
|
Q1 2025
Reduced 1.24%
|
|
|
Connor, Clark & Lunn Investment Management Ltd.
|
May 12, 2025 Q1 2025 |
129,273
shares
|
$5.45 Million
0.02% of portfolio
|
Q1 2025
Added 3.1%
|
|
|
Edmond De Rothschild Holding S.A.
Chambesy, V8 |
May 15, 2025 Q1 2025 |
124,200
shares
|
$5.24 Million
0.07% of portfolio
|
Q1 2025
New holding
|
|
|
Eisler Capital (Us) LLC
New York, NY |
Nov 14, 2024 Q3 2024 |
117,565
shares
|
$4.96 Million
0.1% of portfolio
|
Q3 2024
Added 622.59%
|
|
|
American Century Companies Inc
Kansas City, MO |
May 13, 2025 Q1 2025 |
116,768
shares
|
$4.92 Million
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
State Of Wisconsin Investment Board
Madison, WI |
May 15, 2025 Q1 2025 |
108,316
shares
|
$4.57 Million
0.01% of portfolio
|
Q1 2025
Added 7.0%
|
|
|
Jefferies Group LLC
New York, NY |
Sep 21, 2023 Q3 2022 |
105,566
shares
|
$4.45 Million
0.05% of portfolio
|
Q3 2022
Added 139.92%
|
|
|
Neuberger Berman Group LLC
New York, NY |
May 13, 2025 Q1 2025 |
102,473
shares
|
$4.32 Million
0.0% of portfolio
|
Q1 2025
Added 6.05%
|
|
|
Alliancebernstein L.P.
New York, NY |
May 15, 2025 Q1 2025 |
100,749
shares
|
$4.25 Million
0.0% of portfolio
|
Q1 2025
Added 93.24%
|
|
|
Pdt Partners, LLC
New York, NY |
May 15, 2025 Q1 2025 |
96,056
shares
|
$4.05 Million
0.23% of portfolio
|
Q1 2025
Added 231.3%
|
|
|
Dcf Advisers, LLC
Greenwich, CT |
May 08, 2025 Q1 2025 |
95,000
shares
|
$4.01 Million
1.47% of portfolio
|
Q1 2025
Added 14.62%
|