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 |
|---|---|---|---|---|---|
|
Polar Capital Holdings PLC
London, X0 |
Aug 14, 2025 Q2 2025 |
1,000,000
shares
|
$65.4 Million
0.23% of portfolio
|
Q2 2025
New holding
|
|
|
Bank Of America Corp
Charlotte, NC |
Aug 14, 2025 Q2 2025 |
995,890
shares
|
$65.2 Million
0.0% of portfolio
|
Q2 2025
Added 29.77%
|
|
|
Cathie Wood
Ark Investment Management LLC | St. Petersburg, Fl
|
Jul 30, 2025 Q2 2025 |
900,318
shares
|
$58.9 Million
0.29% of portfolio
|
Q2 2025
Reduced 10.02%
|
|
|
Voloridge Investment Management, LLC
Jupiter, FL |
Aug 14, 2025 Q2 2025 |
854,634
shares
|
$55.9 Million
0.13% of portfolio
|
Q2 2025
Added 126.57%
|
|
|
Northern Trust Corp
Chicago, IL |
Aug 13, 2025 Q2 2025 |
814,250
shares
|
$53.3 Million
0.0% of portfolio
|
Q2 2025
Reduced 2.47%
|
|
|
Royal Bank Of Canada
Toronto, A6 |
Aug 14, 2025 Q2 2025 |
799,912
shares
|
$52.3 Million
0.01% of portfolio
|
Q2 2025
Added 29.84%
|
|
|
Ubs Asset Management Americas Inc
Chicago, IL |
Aug 14, 2025 Q2 2025 |
791,072
shares
|
$51.8 Million
0.01% of portfolio
|
Q2 2025
Added 19.96%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Aug 14, 2025 Q2 2025 |
777,940
shares
|
$50.9 Million
0.0% of portfolio
|
Q2 2025
Added 19.22%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
Aug 14, 2025 Q2 2025 |
768,648
shares
|
$50.3 Million
0.05% of portfolio
|
Q2 2025
New holding
|
|
|
Hudson Bay Capital Management LP
Greenwich, CT |
Aug 18, 2025 Q2 2025 |
750,000
shares
|
$49.1 Million
0.12% of portfolio
|
Q2 2025
Reduced 28.56%
|
|
|
Woodline Partners LP
San Francisco, CA |
Aug 14, 2025 Q2 2025 |
732,813
shares
|
$47.9 Million
0.16% of portfolio
|
Q2 2025
New holding
|
|
|
Candriam S.C.A.
|
Aug 08, 2025 Q2 2025 |
724,740
shares
|
$47.4 Million
0.17% of portfolio
|
Q2 2025
Reduced 27.07%
|
|
|
Teacher Retirement System Of Texas
Austin, TX |
Aug 01, 2025 Q2 2025 |
668,273
shares
|
$43.7 Million
0.12% of portfolio
|
Q2 2025
Added 33.53%
|
|
|
Pictet Asset Management Holding Sa
Carouge, V8 |
Aug 13, 2025 Q2 2025 |
608,640
shares
|
$39.8 Million
0.03% of portfolio
|
Q2 2025
Reduced 1.6%
|
|
|
Eversept Partners, LP
New York, NY |
Aug 14, 2025 Q2 2025 |
588,900
shares
|
$38.5 Million
2.34% of portfolio
|
Q2 2025
Added 13.9%
|
|
|
Barclays PLC
London, X0 |
Aug 14, 2025 Q2 2025 |
583,266
shares
|
$38.2 Million
0.01% of portfolio
|
Q2 2025
Added 64.79%
|
|
|
Axa S.A.
Paris, I0 |
Aug 14, 2025 Q2 2025 |
566,883
shares
|
$37.1 Million
0.07% of portfolio
|
Q2 2025
Added 0.07%
|
|
|
Massachusetts Financial Services CO
Boston, MA |
Aug 08, 2025 Q2 2025 |
519,184
shares
|
$34 Million
0.01% of portfolio
|
Q2 2025
New holding
|
|
|
Great Point Partners LLC
Greenwich, CT |
Aug 14, 2025 Q2 2025 |
500,000
shares
|
$32.7 Million
16.39% of portfolio
|
Q2 2025
Added 100.0%
|
|
|
Vestal Point Capital, LP
New York, NY |
Aug 14, 2025 Q2 2025 |
500,000
shares
|
$32.7 Million
1.04% of portfolio
|
Q2 2025
New holding
|
|
|
Pinnacle Associates LTD
|
Aug 04, 2025 Q2 2025 |
494,539
shares
|
$32.4 Million
0.3% of portfolio
|
Q2 2025
Reduced 18.73%
|
|
|
Bank Of Montreal
Toronto, A6 |
Aug 05, 2025 Q2 2025 |
483,289
shares
|
$31.6 Million
0.01% of portfolio
|
Q2 2025
Reduced 38.26%
|
|
|
American Century Companies Inc
Kansas City, MO |
Aug 12, 2025 Q2 2025 |
472,749
shares
|
$30.9 Million
0.01% of portfolio
|
Q2 2025
Added 304.86%
|
|
|
Norges Bank
Oslo, Q8 |
Aug 13, 2025 Q2 2025 |
450,254
shares
|
$29.5 Million
0.0% of portfolio
|
Q2 2025
New holding
|
|
|
C World Wide Group Holding A
|
Aug 06, 2025 Q2 2025 |
450,000
shares
|
$29.4 Million
0.24% of portfolio
|
Q2 2025
Added 12.5%
|