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 508 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 |
|---|---|---|---|---|---|
|
Vestal Point Capital, LP
New York, NY |
Nov 14, 2025 Q3 2025 |
1,075,000
shares
|
$76.9 Million
3.18% of portfolio
|
Q3 2025
Added 115.0%
|
|
|
Groupama Asset Managment
Paris, I0 |
Dec 01, 2025 Q3 2025 |
1,061,777
shares
|
$76 Million
0.55% of portfolio
|
Q3 2025
Reduced 8.54%
|
|
|
Bnp Paribas Asset Management Holding S.A.
|
Nov 07, 2025 Q3 2025 |
1,059,721
shares
|
$75.8 Million
0.18% of portfolio
|
Q3 2025
Reduced 21.55%
|
|
|
Ubs Group Ag
|
Nov 13, 2025 Q3 2025 |
1,046,990
shares
|
$74.9 Million
0.01% of portfolio
|
Q3 2025
Reduced 31.54%
|
|
|
Polar Capital Holdings PLC
London, X0 |
Nov 14, 2025 Q3 2025 |
1,033,622
shares
|
$74 Million
0.36% of portfolio
|
Q3 2025
Added 3.36%
|
|
|
Td Asset Management Inc
|
Nov 10, 2025 Q3 2025 |
960,272
shares
|
$68.7 Million
0.05% of portfolio
|
Q3 2025
Reduced 13.07%
|
|
|
Marshall Wace, LLP
London, X0 |
Nov 13, 2025 Q3 2025 |
958,829
shares
|
$68.6 Million
0.07% of portfolio
|
Q3 2025
Added 7219.31%
|
|
|
Artisan Partners Limited Partnership
Milwaukee, WI |
Nov 12, 2025 Q3 2025 |
890,072
shares
|
$63.7 Million
0.09% of portfolio
|
Q3 2025
Added 338.07%
|
|
|
Connor, Clark & Lunn Investment Management Ltd.
|
Nov 13, 2025 Q3 2025 |
878,155
shares
|
$62.8 Million
0.2% of portfolio
|
Q3 2025
Added 230.39%
|
|
|
Massachusetts Financial Services CO
Boston, MA |
Oct 29, 2025 Q3 2025 |
862,593
shares
|
$61.7 Million
0.02% of portfolio
|
Q3 2025
Added 66.14%
|
|
|
Bank Of America Corp
Charlotte, NC |
Nov 14, 2025 Q3 2025 |
855,295
shares
|
$61.2 Million
0.0% of portfolio
|
Q3 2025
Reduced 14.12%
|
|
|
Northern Trust Corp
Chicago, IL |
Nov 14, 2025 Q3 2025 |
844,943
shares
|
$60.5 Million
0.01% of portfolio
|
Q3 2025
Added 3.77%
|
|
|
Voloridge Investment Management, LLC
Jupiter, FL |
Nov 14, 2025 Q3 2025 |
803,047
shares
|
$57.5 Million
0.19% of portfolio
|
Q3 2025
Reduced 6.04%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Nov 14, 2025 Q3 2025 |
779,570
shares
|
$55.8 Million
0.02% of portfolio
|
Q3 2025
Reduced 70.58%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Nov 14, 2025 Q3 2025 |
777,570
shares
|
$55.6 Million
0.01% of portfolio
|
Q3 2025
Reduced 0.05%
|
|
|
Ameriprise Financial Inc
Minneapolis, MN |
Nov 14, 2025 Q3 2025 |
765,822
shares
|
$54.8 Million
0.01% of portfolio
|
Q3 2025
Added 108.04%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
760,111
shares
|
$54.4 Million
0.07% of portfolio
|
Q3 2025
Reduced 1.11%
|
|
|
Summit Partners Public Asset Management, LLC
Boston, MA |
Nov 14, 2025 Q3 2025 |
750,000
shares
|
$53.7 Million
1.29% of portfolio
|
Q3 2025
New holding
|
|
|
Bank Of Montreal
Toronto, A6 |
Nov 13, 2025 Q3 2025 |
747,402
shares
|
$53.5 Million
0.02% of portfolio
|
Q3 2025
Added 54.65%
|
|
|
Nomura Holdings Inc
Tokyo, M0 |
Nov 14, 2025 Q3 2025 |
733,398
shares
|
$52.5 Million
0.08% of portfolio
|
Q3 2025
Added 2180.4%
|
|
|
Barclays PLC
London, X0 |
Nov 12, 2025 Q3 2025 |
714,048
shares
|
$51.1 Million
0.01% of portfolio
|
Q3 2025
Added 22.42%
|
|
|
Cathie Wood
Ark Investment Management LLC | St. Petersburg, Fl
|
Nov 12, 2025 Q3 2025 |
631,215
shares
|
$45.2 Million
0.29% of portfolio
|
Q3 2025
Reduced 29.89%
|
|
|
D. E. Shaw & Co., Inc.
New York, NY |
Nov 14, 2025 Q3 2025 |
630,938
shares
|
$45.1 Million
0.03% of portfolio
|
Q3 2025
New holding
|
|
|
Arrowstreet Capital, Limited Partnership
Boston, MA |
Nov 13, 2025 Q3 2025 |
630,136
shares
|
$45.1 Million
0.03% of portfolio
|
Q3 2025
New holding
|
|
|
Candriam S.C.A.
|
Nov 05, 2025 Q3 2025 |
611,237
shares
|
$43.7 Million
0.22% of portfolio
|
Q3 2025
Reduced 15.66%
|
|