ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 796,968 Value ($000) $22,299 Avg Close $29.95 Range $27.49 - $36.32
Q3 2025
Shares 827,473 Value ($000) $24,824 Avg Close $28.20 Range $25.17 - $31.69
Q2 2025
Shares 826,811 Value ($000) $23,655 Avg Close $29.76 Range $25.56 - $33.48
Q1 2025
Shares 792,831 Value ($000) $26,179 Avg Close $32.61 Range $27.70 - $36.45
Q4 2015
Shares 29,047 Value ($000) $2,306 Avg Close $70.02 Range $54.36 - $80.71
Q3 2015
Shares 33,654 Value ($000) $1,974 Avg Close $66.02 Range $53.01 - $73.33
Q2 2015
Shares 26,242 Value ($000) $1,688 Avg Close $61.20 Range $54.54 - $68.23
Q1 2015
Shares 20,886 Value ($000) $1,273 Avg Close $68.32 Range $57.31 - $75.17
Q4 2014
Shares 27,623 Value ($000) $1,618 Avg Close $50.94 Range $38.49 - $59.69