IONIS PHARMACEUTICALS INC - Common Stock (IONS)

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / Common Stock
Shares outstanding
161,813,505
Total 13F shares
168,161,987
Share change
-1,292,753
Total reported value
$11,001,500,253
Put/Call ratio
42%
Price per share
$65.42
Number of holders
430
Value change
+$32,223,273
Number of buys
244
Number of sells
156

Institutional Holders of IONIS PHARMACEUTICALS INC - Common Stock (IONS) as of Q3 2025

As of 30 Sep 2025, IONIS PHARMACEUTICALS INC - Common Stock (IONS) was held by 430 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 168,161,987 shares. The largest 10 holders included FMR LLC, VANGUARD GROUP INC, T. Rowe Price Investment Management, Inc., Capital World Investors, BlackRock, Inc., WELLINGTON MANAGEMENT GROUP LLP, Bellevue Group AG, STATE STREET CORP, Deep Track Capital, LP, and GEODE CAPITAL MANAGEMENT, LLC. This page lists 430 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
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.