Ionis Pharmaceuticals
IONS
IONS
487 hedge funds and large institutions have $13.5B invested in Ionis Pharmaceuticals in 2025 Q4 according to their latest regulatory filings, with 108 funds opening new positions, 166 increasing their positions, 142 reducing their positions, and 43 closing their positions.
New
Increased
Maintained
Reduced
Closed
more first-time investments, than exits
New positions opened: | Existing positions closed:
more call options, than puts
Call options by funds: $ | Put options by funds: $
more capital invested
Capital invested by funds: $ → $
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
12% more funds holding
Funds holding: 433 → 487 (+54)
8% more funds holding in top 10
Funds holding in top 10: 12 → 13 (+1)
0.31% less ownership
Funds ownership: 105.5% → 105.19% (-0.31%)
Holders
487
Holding in Top 10
13
Calls
$153M
Puts
$102M
Top Buyers
| 1 | +$394M | |
| 2 | +$133M | |
| 3 | +$99M | |
| 4 |
BBA
Baker Bros. Advisors
New York
|
+$92.2M |
| 5 |
Two Sigma Investments
New York
|
+$81.5M |
Top Sellers
| 1 | -$305M | |
| 2 | -$159M | |
| 3 | -$109M | |
| 4 |
Adage Capital Partners
Boston,
Massachusetts
|
-$88.5M |
| 5 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
-$74.1M |
