Ionis Pharmaceuticals
IONS
IONS
490 hedge funds and large institutions have $13B invested in Ionis Pharmaceuticals in 2026 Q1 according to their latest regulatory filings, with 73 funds opening new positions, 177 increasing their positions, 155 reducing their positions, and 66 closing their positions.
New
Increased
Maintained
Reduced
Closed
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more first-time investments, than exits
New positions opened: | Existing positions closed:
more funds holding in top 10
Funds holding in top 10: →
more funds holding
Funds holding: →
0.75% less ownership
Funds ownership: 105.2% → 104.44% (-0.75%)
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 (-$517M)
Holders
490
Holding in Top 10
14
Calls
$141M
Puts
$144M
Top Buyers
| 1 | +$255M | |
| 2 | +$252M | |
| 3 | +$212M | |
| 4 |
Millennium Management
New York
|
+$75.6M |
| 5 |
Artisan Partners
Milwaukee,
Wisconsin
|
+$69.2M |
Top Sellers
| 1 | -$235M | |
| 2 | -$233M | |
| 3 | -$94.1M | |
| 4 |
Nomura Holdings
Tokyo,
Japan
|
-$58M |
| 5 |
TLP
Tri Locum Partners
New York
|
-$44.1M |
