A detailed history of Sio Capital Management, LLC transactions in Alkermes Plc. stock. As of the latest transaction made, Sio Capital Management, LLC holds 674,840 shares of ALKS stock, worth $19.6 Million. This represents 7.02% of its overall portfolio holdings.

Number of Shares
674,840
Holding current value
$19.6 Million
% of portfolio
7.02%

Shares

3 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 13, 2025

BUY
$26.13 - $30.46 $17.6 Million - $20.6 Million
674,840 New
674,840 $20.2 Million
Q2 2020

Aug 14, 2020

SELL
$13.31 - $19.41 $2.26 Million - $3.3 Million
-170,042 Closed
0 $0
Q1 2020

May 15, 2020

BUY
$13.06 - $21.24 $2.22 Million - $3.61 Million
170,042 New
170,042 $2.45 Million

Others Institutions Holding ALKS

About Alkermes plc.


  • Ticker ALKS
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Drug Manufacturers—Specialty & Generic
  • Shares Outstandng 164,254,000
  • Market Cap $4.77B
  • Description
  • Alkermes plc, a biopharmaceutical company, researches, develops, and commercializes pharmaceutical products to address unmet medical needs of patients in various therapeutic areas in the United States, Ireland, and internationally. Its marketed products include ARISTADA, an intramuscular injectable suspension for the treatment of schizophrenia; ...
More about ALKS
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