IONIS PHARMACEUTICALS INC - Common Stock (IONS)

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock
Shares outstanding
161,813,505
Total 13F shares
25,830,741
Share change
-877,414
Total reported value
$2,040,642,641
Put/Call ratio
700%
Price per share
$79.11
Number of holders
164
Value change
-$65,425,616
Number of buys
86
Number of sells
44

Institutional Holders of IONIS PHARMACEUTICALS INC - Common Stock (IONS) as of Q4 2025

As of 31 Dec 2025, IONIS PHARMACEUTICALS INC - Common Stock (IONS) was held by 164 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 25,830,741 shares. The largest 10 holders included VANGUARD GROUP INC, Tweedy, Browne Co LLC, Pictet Asset Management Holding SA, UBS Group AG, MASSACHUSETTS FINANCIAL SERVICES CO /MA/, PINNACLE ASSOCIATES LTD, TEACHER RETIREMENT SYSTEM OF TEXAS, C WorldWide Group Holding A/S, Privium Fund Management B.V., and Universal- Beteiligungs- und Servicegesellschaft mbH. This page lists 164 institutional shareholders reporting positions in this security for the Q4 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.