Alkermes Plc · NASDAQ:ALKS

Alkermes Plc shareholders

Alkermes Plc on 6ix: holders from US fund reports; insider trades reported in the US. Largest: iShares Core S&P Small-Cap ETF, Vanguard Total Stock Market Index Fund and iShares Russell 2000 ETF. Each with its filing.

HolderShares% of Alkermes PlcChangeAs of
iShares Core S&P Small-Cap ETF10M+125KJun 30, 2026
Vanguard Total Stock Market Index Fund5.3M+17,865Jun 30, 2026
iShares Russell 2000 ETF4.3M+339KJun 30, 2026
Vanguard Small-Cap Index Fund3.82M−18,466Jun 30, 2026
Avantis U.S. Small Cap Value ETF3.27M−1.25MMay 31, 2026
First Trust NYSE Arca Biotechnology Index Fund2.28M−444KJun 30, 2026
State Street(R) SPDR(R) S&P(R) Biotech ETF2.27M−780KJun 30, 2026
Vanguard Small-Cap Growth Index Fund2.2M+53,402Jun 30, 2026
Vanguard Extended Market Index Fund1.91M+69,104Jun 30, 2026
Fidelity Small Cap Index Fund1.83M+229KJul 31, 2026

Alkermes Plc insider trades