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Ionis Pharmaceuticals
IONS
IONS
493 hedge funds and large institutions have $13B invested in Ionis Pharmaceuticals in 2026 Q1 according to their latest regulatory filings, with 74 funds opening new positions, 177 increasing their positions, 156 reducing their positions, and 65 closing their positions.
New
Increased
Maintained
Reduced
Closed
14% more first-time investments, than exits
New positions opened: 74 | Existing positions closed: 65
13% more repeat investments, than reductions
Existing positions increased: 177 | Existing positions reduced: 156
8% more funds holding in top 10
Funds holding in top 10: 13 → 14 (+1)
0% more funds holding
Funds holding: 491 → 493 (+2)
0.72% less ownership
Funds ownership: 105.2% → 104.48% (-0.72%)
2% less call options, than puts
Call options by funds: $141M | Put options by funds: $144M
4% less capital invested
Capital invested by funds: $13.5B → $13B (-$512M)
Holders
493
Holders Change
+2
Holders Change %
+0.41%
% of All Funds
6.07%
Holding in Top 10
14
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+7.69%
% of All Funds
0.17%
New
74
Increased
177
Reduced
156
Closed
65
Calls
$141M
Puts
$144M
Net Calls
-$2.9M
Net Calls Change
-$54M
Top Buyers
| 1 |
Capital World Investors
Los Angeles,
California
|
+$255M |
| 2 |
Two Sigma Investments
New York
|
+$252M |
| 3 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
+$212M |
| 4 |
Millennium Management
New York
|
+$75.6M |
| 5 |
Artisan Partners
Milwaukee,
Wisconsin
|
+$69.2M |
Top Sellers
| 1 |
BG
Bellevue Group
Kuesnacht,
Switzerland
|
-$235M |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$233M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$94.1M |
| 4 |
Nomura Holdings
Tokyo,
Japan
|
-$58M |
| 5 |
TLP
Tri Locum Partners
New York
|
-$44.1M |
