ALKERMES PLC (G01767105) Stock Institutional Trading Activity


ALKERMES PLC (G01767105) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Sequoia Financial Advisors, Hancock Classic Value, and Viking Global Investors. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2019Renaissance Technologies LLCBuy1,735,5456,636,753$135,390
Q3 2019Renaissance Technologies LLCBuy950,6224,901,208$95,623
Q2 2019Renaissance Technologies LLCBuy2,302,6003,950,586$89,046
Q1 2019Renaissance Technologies LLCBuy853,5851,647,986$60,135
Q4 2018Renaissance Technologies LLCBuy679,615794,401$23,443
Q1 2018Renaissance Technologies LLCSell-10,100114,786$6,653
Q1 2017Renaissance Technologies LLCBuy98,600124,886$7,306
Q4 2015Renaissance Technologies LLCSell-203,00026,286$2,087
Q2 2015Renaissance Technologies LLCBuy30,600229,286$14,752
Q1 2015Renaissance Technologies LLCBuy134,700198,686$12,114
Q4 2014Renaissance Technologies LLCSell-91,80063,986$3,747
Q3 2014Renaissance Technologies LLCSell-58,900155,786$6,679
Q2 2014Renaissance Technologies LLCBuy161,376214,686$10,805
Q1 2014Renaissance Technologies LLCSell-452,27653,310$2,350
Q4 2013Renaissance Technologies LLCSell-156,100505,586$20,557
Q3 2013Renaissance Technologies LLCSell-133,000661,686$22,246
Q2 2013Renaissance Technologies LLCBuy794,686794,686$22,792

Frequently asked questions about G01767105 activity

  • Which institutional owners are buying G01767105?

    Institutional owners buying G01767105 include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in G01767105 activity?

    "Buy" means an investor increased their reported position in G01767105 compared to the prior reporting period. This reflects growing exposure to ALKERMES PLC (G01767105) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in G01767105 increasing?

    Institutional interest in G01767105 can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.