Q3 2025 13F Holders as of 9/30/2025
-
Type / Class
-
Equity / COMMON STOCK
-
Shares outstanding
-
159M
-
Number of holders
-
422
-
Total 13F shares, excl. options
-
165M
-
Shares change
-
-1.24M
-
Total reported value, excl. options
-
$10.8B
-
Value change
-
+$36.8M
-
Put/Call ratio
-
0.42
-
Number of buys
-
240
-
Number of sells
-
-154
-
Price
-
$65.42
Significant Holders of IONIS PHARMACEUTICALS INC - COMMON STOCK (IONS) as of Q3 2025
503 filings reported holding IONS - IONIS PHARMACEUTICALS INC - COMMON STOCK as of Q3 2025.
IONIS PHARMACEUTICALS INC - COMMON STOCK (IONS) has 422 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 165M shares
.
Largest 10 shareholders include FMR LLC (23.7M shares), VANGUARD GROUP INC (16.5M shares), T. Rowe Price Investment Management, Inc. (13.2M shares), Capital World Investors (12.7M shares), BlackRock, Inc. (10.4M shares), WELLINGTON MANAGEMENT GROUP LLP (6.59M shares), Bellevue Group AG (6.24M shares), STATE STREET CORP (4.39M shares), Deep Track Capital, LP (3.81M shares), and GEODE CAPITAL MANAGEMENT, LLC (3.07M shares).
This table shows the top 422 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
| Investor |
Option |
Weight % |
Change % |
Value $ |
* Price $ |
Shares |
Share Change |
Activity |
Report Period |
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.