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 |
|---|---|---|---|---|---|
|
Barclays PLC
London, X0 |
May 15, 2025 Q1 2025 |
353,937
shares
|
$14.9 Million
0.0% of portfolio
|
Q1 2025
Reduced 40.62%
|
|
|
Legal & General Group PLC
London, X0 |
May 15, 2025 Q1 2025 |
338,462
shares
|
$14.3 Million
0.0% of portfolio
|
Q4 2023
Reduced 54.1%
|
|
|
Sovran Advisors, LLC
San Diego, CA |
Jul 09, 2025 Q2 2025 |
321,913
shares
|
$13.6 Million
1.39% of portfolio
|
Q2 2025
Reduced 2.13%
|
|
|
Nuveen, LLC
Charlotte, NC |
May 12, 2025 Q1 2025 |
308,777
shares
|
$13 Million
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
J. Goldman & CO LP
New York, NY |
May 15, 2025 Q1 2025 |
307,770
shares
|
$13 Million
0.24% of portfolio
|
Q1 2025
Reduced 49.34%
|
|
|
Squarepoint Ops LLC
New York, NY |
May 15, 2025 Q1 2025 |
305,373
shares
|
$12.9 Million
0.01% of portfolio
|
Q1 2025
Added 83.44%
|
|
|
Dowling & Yahnke LLC
San Diego, CA |
Nov 02, 2022 Q3 2022 |
302,571
shares
|
$12.8 Million
6.23% of portfolio
|
Q1 2022
Added 0.05%
|
|
|
Nuveen Asset Management, LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
290,954
shares
|
$12.3 Million
0.0% of portfolio
|
Q4 2024
Reduced 4.54%
|
|
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
May 15, 2025 Q1 2025 |
287,204
shares
|
$12.1 Million
0.02% of portfolio
|
Q1 2025
New holding
|
|
|
Sector Gamma As
|
May 13, 2025 Q1 2025 |
285,842
shares
|
$12.1 Million
2.9% of portfolio
|
Q1 2025
Added 21.2%
|
|
|
Swiss National Bank
Zurich, V8 |
May 12, 2025 Q1 2025 |
275,300
shares
|
$11.6 Million
0.01% of portfolio
|
Q1 2025
Reduced 1.4%
|
|
|
Privium Fund Management B.V.
|
May 08, 2025 Q1 2025 |
267,594
shares
|
$11.3 Million
2.12% of portfolio
|
Q1 2025
Added 0.3%
|
|
|
Wells Fargo & Company
San Francisco, CA |
May 13, 2025 Q1 2025 |
256,233
shares
|
$10.8 Million
0.0% of portfolio
|
Q1 2025
Reduced 22.59%
|
|
|
Great Point Partners LLC
Greenwich, CT |
May 15, 2025 Q1 2025 |
250,000
shares
|
$10.5 Million
4.66% of portfolio
|
Q1 2025
Reduced 50.5%
|
|
|
Ci Private Wealth, LLC
Miami, FL |
May 14, 2025 Q1 2025 |
237,133
shares
|
$10 Million
0.01% of portfolio
|
Q1 2025
Reduced 0.85%
|
|
|
Nomura Holdings Inc
Tokyo, M0 |
May 15, 2025 Q1 2025 |
236,426
shares
|
$9.97 Million
0.02% of portfolio
|
Q1 2025
Reduced 33.82%
|
|
|
Orion Investment CO
St. Louis, MO |
May 14, 2025 Q1 2025 |
215,290
shares
|
$9.08 Million
2.66% of portfolio
|
Q1 2025
Reduced 0.33%
|
|
|
Artisan Partners Limited Partnership
Milwaukee, WI |
May 14, 2025 Q1 2025 |
203,178
shares
|
$8.57 Million
0.01% of portfolio
|
Q1 2025
Reduced 19.58%
|
|
|
Stifel Financial Corp
St. Louis, MO |
May 13, 2025 Q1 2025 |
200,942
shares
|
$8.47 Million
0.01% of portfolio
|
Q1 2025
Reduced 4.99%
|
|
|
California Public Employees Retirement System
Sacramento, CA |
May 13, 2025 Q1 2025 |
191,004
shares
|
$8.05 Million
0.0% of portfolio
|
Q1 2025
Reduced 0.59%
|
|
|
Rhumbline Advisers
Boston, MA |
May 29, 2025 Q1 2025 |
188,216
shares
|
$7.94 Million
0.01% of portfolio
|
Q4 2024
Added 1.95%
|
|
|
Tocqueville Asset Management L.P.
New York, NY |
May 13, 2025 Q1 2025 |
187,395
shares
|
$7.9 Million
0.09% of portfolio
|
Q1 2025
Reduced 46.78%
|
|
|
Sicart Associates LLC
|
Jul 18, 2025 Q2 2025 |
185,296
shares
|
$7.81 Million
2.68% of portfolio
|
Q2 2025
Reduced 0.19%
|
|
|
Credit Suisse Ag
Zurich, V8 |
May 10, 2024 Q1 2024 |
182,509
shares
|
$7.7 Million
0.01% of portfolio
|
Q1 2024
Reduced 3.8%
|
|
|
Gw&K Investment Management, LLC
Boston, MA |
May 05, 2025 Q1 2025 |
182,309
shares
|
$7.69 Million
0.05% of portfolio
|
Q1 2025
Reduced 2.62%
|