Platform Features
Platform Features
Features
Investment Products
Private Wealth Management
Trading Tools
Market Data Services
Analysis Tools
News Services
For Developers
Account Types
For Individuals
For Institutions
Café
More
Log in / Sign up
IONS
IONS
47.250
8.15%
( -4.190 )
BB
Baker Bros. Advisors LP
Buy
Sell
Price
Unit: Shares
Holdings History
Date
Change %
Shares Changed
% Held
Shares Held
Report Date
Latest
<0.01%
+0
1.23%
2.05M
06/30/2026
Q2 2026
<0.01%
+0
1.24%
2.05M
06/30/2026
Q1 2026
0.14%
+255.89K
1.23%
2.05M
03/31/2026
Q4 2025
0.75%
+1.23M
1.10%
1.79M
12/31/2025
Q3 2025
0.35%
+566.80K
0.35%
566.80K
09/30/2025
Q2 2025
0.23%
-357.92K
0.00%
0.00
06/30/2025
Q1 2025
<0.01%
+0
0.23%
357.92K
03/31/2025
Q4 2024
0.09%
+134.45K
0.23%
357.92K
12/31/2024
Q3 2024
--
+223.47K
0.14%
223.47K
09/30/2024
