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 507 institutions that hold shares in the stock, with a total of 155 Million shares, which have been reported (via 13F filing form) to have a value of $11.1 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Citigroup Inc
|
Nov 10, 2025 Q3 2025 |
155,853
shares
|
$11.2 Million
0.0% of portfolio
|
Q3 2025
Reduced 54.29%
|
|
|
Skandinaviska Enskilda Banken Ab (Publ)
Stockholm, V7 |
Nov 07, 2025 Q3 2025 |
155,790
shares
|
$11.1 Million
0.04% of portfolio
|
Q3 2025
Added 161.28%
|
|
|
Exodus Point Capital Management, LP
New York, NY |
Nov 14, 2025 Q3 2025 |
152,125
shares
|
$10.9 Million
0.11% of portfolio
|
Q3 2025
New holding
|
|
|
Sovran Advisors, LLC
San Diego, CA |
Oct 31, 2025 Q3 2025 |
150,856
shares
|
$10.8 Million
0.99% of portfolio
|
Q3 2025
Reduced 53.14%
|
|
|
Natixis
Paris, I0 |
Nov 14, 2025 Q3 2025 |
145,286
shares
|
$10.4 Million
0.05% of portfolio
|
Q3 2025
New holding
|
|
|
California State Teachers Retirement System
West Sacramento, CA |
Nov 14, 2025 Q3 2025 |
145,112
shares
|
$10.4 Million
0.01% of portfolio
|
Q3 2025
Added 0.01%
|
|
|
State Board Of Administration Of Florida Retirement System
|
Nov 14, 2025 Q3 2025 |
143,534
shares
|
$10.3 Million
0.02% of portfolio
|
Q3 2025
Reduced 6.73%
|
|
|
Adar1 Capital Management, LLC
Austin, TX |
Nov 14, 2025 Q3 2025 |
133,818
shares
|
$9.57 Million
0.82% of portfolio
|
Q3 2025
Reduced 9.86%
|
|
|
Exome Asset Management LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
131,016
shares
|
$9.37 Million
5.19% of portfolio
|
Q3 2025
Added 8.17%
|
|
|
Rafferty Asset Management, LLC
New York, NY |
Nov 12, 2025 Q3 2025 |
125,773
shares
|
$9 Million
0.03% of portfolio
|
Q3 2025
Reduced 13.12%
|
|
|
Kennedy Capital Management, Inc.
St Louis, MO |
Nov 13, 2025 Q3 2025 |
122,766
shares
|
$8.78 Million
0.19% of portfolio
|
Q3 2025
Reduced 7.03%
|
|
|
Sei Investments CO
Oaks, PA |
Nov 13, 2025 Q3 2025 |
119,028
shares
|
$8.52 Million
0.01% of portfolio
|
Q3 2025
Added 21.03%
|
|
|
Blb&B Advisors, LLC
|
Oct 31, 2025 Q3 2025 |
118,600
shares
|
$8.49 Million
0.35% of portfolio
|
Q3 2025
Reduced 21.74%
|
|
|
Eisler Capital (Us) LLC
New York, NY |
Nov 14, 2024 Q3 2024 |
117,565
shares
|
$8.41 Million
0.1% of portfolio
|
Q3 2024
Added 622.59%
|
|
|
Healthcare Of Ontario Pension Plan Trust Fund
Toronto, A6 |
Nov 13, 2025 Q3 2025 |
116,000
shares
|
$8.3 Million
0.01% of portfolio
|
Q2 2025
New holding
|
|
|
Sumitomo Mitsui Trust Holdings, Inc.
|
Oct 27, 2025 Q3 2025 |
114,772
shares
|
$8.21 Million
0.0% of portfolio
|
Q3 2025
Reduced 17.87%
|
|
|
Neuberger Berman Group LLC
New York, NY |
Nov 12, 2025 Q3 2025 |
114,743
shares
|
$8.21 Million
0.01% of portfolio
|
Q3 2025
Added 0.1%
|
|
|
Nikko Asset Management Americas, Inc.
|
Nov 12, 2025 Q3 2025 |
114,592
shares
|
$8.2 Million
0.08% of portfolio
|
Q3 2025
Reduced 18.0%
|
|
|
Van Eck Associates Corp
|
Nov 13, 2025 Q3 2025 |
111,819
shares
|
$8 Million
0.01% of portfolio
|
Q3 2025
Added 51.89%
|
|
|
Voya Investment Management LLC
Atlanta, GA |
Oct 09, 2025 Q3 2025 |
111,589
shares
|
$7.98 Million
0.01% of portfolio
|
Q3 2025
Added 72.96%
|
|
|
Acadian Asset Management LLC
Boston, MA |
Nov 13, 2025 Q3 2025 |
110,444
shares
|
$7.9 Million
0.01% of portfolio
|
Q3 2025
New holding
|
|
|
Dcf Advisers, LLC
Greenwich, CT |
Nov 12, 2025 Q3 2025 |
108,413
shares
|
$7.76 Million
3.19% of portfolio
|
Q3 2025
Added 18.16%
|
|
|
Jefferies Group LLC
New York, NY |
Sep 21, 2023 Q3 2022 |
105,566
shares
|
$7.55 Million
0.05% of portfolio
|
Q3 2022
Added 139.92%
|
|
|
Amundi
Paris, I0 |
Nov 14, 2025 Q3 2025 |
101,531
shares
|
$7.26 Million
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Simplex Trading, LLC
|
Nov 12, 2025 Q3 2025 |
100,206
shares
|
$7.17 Million
0.0% of portfolio
|
Q3 2025
Added 152.8%
|
|