ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

VIKING GLOBAL INVESTORS LP's Holding History (CIK: 0001103804)

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

Q2 2023

Shares 2,116,275 Value ($000) $66,239 Avg Close $30.28 Range $27.68 - $33.71

Q1 2023

Shares 2,781,917 Value ($000) $78,422 Avg Close $27.24 Range $25.00 - $29.49

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2023	2,116,275	$66,239	$30.28	$27.68 - $33.71
Q1 2023	2,781,917	$78,422	$27.24	$25.00 - $29.49