Alkermes plc. - COMMON STOCK (ALKS)

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / COMMON STOCK
Shares outstanding
164,237,519
Total 13F shares
131,056,728
Share change
+12,909,764
Total reported value
$3,667,384,481
Put/Call ratio
151%
Price per share
$27.98
Number of holders
264
Value change
+$357,228,882
Number of buys
141
Number of sells
114

Institutional Holders of Alkermes plc. - COMMON STOCK (ALKS) as of Q4 2025

As of 31 Dec 2025, Alkermes plc. - COMMON STOCK (ALKS) was held by 264 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 131,056,728 shares. The largest 10 holders included BlackRock, Inc., VANGUARD GROUP INC, STATE STREET CORP, RENAISSANCE TECHNOLOGIES LLC, AMERICAN CENTURY COMPANIES INC, JPMORGAN CHASE & CO, DIMENSIONAL FUND ADVISORS LP, GEODE CAPITAL MANAGEMENT, LLC, PRIMECAP MANAGEMENT CO/CA/, and UBS Group AG. This page lists 264 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.