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 413 institutions that hold shares in the stock, with a total of 149 Million shares, which have been reported (via 13F filing form) to have a value of $9.73 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Schonfeld Strategic Advisors LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
449,206
shares
|
$29.4 Million
0.14% of portfolio
|
Q2 2025
Reduced 19.84%
|
|
|
Gw&K Investment Management, LLC
Boston, MA |
Aug 11, 2025 Q2 2025 |
448,830
shares
|
$29.4 Million
0.16% of portfolio
|
Q2 2025
Added 146.19%
|
|
|
Jpmorgan Chase & CO
New York, NY |
May 12, 2025 Q1 2025 |
421,511
shares
|
$27.6 Million
0.0% of portfolio
|
Q1 2025
Added 1.34%
|
|
|
Abrdn PLC
|
Jul 24, 2025 Q2 2025 |
406,694
shares
|
$26.6 Million
0.03% of portfolio
|
Q2 2025
Reduced 8.85%
|
|
|
Legal & General Group PLC
London, X0 |
Aug 12, 2025 Q2 2025 |
404,366
shares
|
$26.5 Million
0.0% of portfolio
|
Q2 2025
Added 19.47%
|
|
|
Great Lakes Advisors, LLC
Chicago, IL |
Aug 11, 2025 Q2 2025 |
399,646
shares
|
$26.1 Million
0.14% of portfolio
|
Q2 2025
New holding
|
|
|
Ameriprise Financial Inc
Minneapolis, MN |
Aug 14, 2025 Q2 2025 |
368,119
shares
|
$24.1 Million
0.0% of portfolio
|
Q2 2025
Added 2.2%
|
|
|
Citigroup Inc
|
Aug 11, 2025 Q2 2025 |
340,977
shares
|
$22.3 Million
0.01% of portfolio
|
Q2 2025
Reduced 20.05%
|
|
|
Sovran Advisors, LLC
San Diego, CA |
Jul 09, 2025 Q2 2025 |
321,913
shares
|
$21.1 Million
1.39% of portfolio
|
Q2 2025
Reduced 2.13%
|
|
|
Dowling & Yahnke LLC
San Diego, CA |
Nov 02, 2022 Q3 2022 |
302,571
shares
|
$19.8 Million
6.23% of portfolio
|
Q1 2022
Added 0.05%
|
|
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
Aug 14, 2025 Q2 2025 |
292,647
shares
|
$19.1 Million
0.03% of portfolio
|
Q2 2025
Added 1.9%
|
|
|
Nuveen Asset Management, LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
290,954
shares
|
$19 Million
0.0% of portfolio
|
Q4 2024
Reduced 4.54%
|
|
|
Sector Gamma As
|
Jul 31, 2025 Q2 2025 |
285,842
shares
|
$18.7 Million
3.94% of portfolio
|
Q1 2025
Added 21.2%
|
|
|
Swiss National Bank
Zurich, V8 |
May 12, 2025 Q1 2025 |
275,300
shares
|
$18 Million
0.01% of portfolio
|
Q1 2025
Reduced 1.4%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Aug 13, 2025 Q2 2025 |
270,714
shares
|
$17.7 Million
0.02% of portfolio
|
Q2 2025
Added 76.34%
|
|
|
Privium Fund Management B.V.
|
Jul 30, 2025 Q2 2025 |
267,594
shares
|
$17.5 Million
2.25% of portfolio
|
Q1 2025
Added 0.3%
|
|
|
Connor, Clark & Lunn Investment Management Ltd.
|
Aug 07, 2025 Q2 2025 |
265,793
shares
|
$17.4 Million
0.04% of portfolio
|
Q2 2025
Added 105.61%
|
|
|
Invesco Ltd.
Atlanta, GA |
Aug 13, 2025 Q2 2025 |
256,235
shares
|
$16.8 Million
0.0% of portfolio
|
Q2 2025
Reduced 70.71%
|
|
|
Nuveen, LLC
Charlotte, NC |
Aug 12, 2025 Q2 2025 |
245,085
shares
|
$16 Million
0.0% of portfolio
|
Q2 2025
Reduced 20.63%
|
|
|
Ci Private Wealth, LLC
Miami, FL |
Sep 26, 2025 Q2 2025 |
237,840
shares
|
$15.6 Million
0.01% of portfolio
|
Q2 2025
Reduced 0.04%
|
|
|
Verition Fund Management LLC
Greenwich, CT |
Aug 14, 2025 Q2 2025 |
232,687
shares
|
$15.2 Million
0.05% of portfolio
|
Q2 2025
Added 345.02%
|
|
|
Orion Investment CO
St. Louis, MO |
Aug 14, 2025 Q2 2025 |
217,370
shares
|
$14.2 Million
3.04% of portfolio
|
Q2 2025
Added 0.97%
|
|
|
Raymond James Financial Inc
St. Petersburg, FL |
Aug 14, 2025 Q2 2025 |
210,592
shares
|
$13.8 Million
0.0% of portfolio
|
Q2 2025
Added 41.63%
|
|
|
Wells Fargo & Company
San Francisco, CA |
Aug 14, 2025 Q2 2025 |
209,857
shares
|
$13.7 Million
0.0% of portfolio
|
Q2 2025
Reduced 18.1%
|
|
|
Artisan Partners Limited Partnership
Milwaukee, WI |
May 14, 2025 Q1 2025 |
203,178
shares
|
$13.3 Million
0.01% of portfolio
|
Q1 2025
Reduced 19.58%
|