ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

Laurion Capital Management LP's Holding History (CIK: 0001390202)

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

Q4 2019

Shares 11,381 Value ($000) $232 Avg Close $19.88 Range $17.11 - $21.88

Q2 2019

Shares 14,825 Value ($000) $334 Avg Close $27.41 Range $21.29 - $37.75

Q1 2019

Shares 50,477 Value ($000) $1,842 Avg Close $33.02 Range $28.19 - $36.56

Q1 2015

Shares 7,600 Value ($000) $463 Avg Close $68.32 Range $57.31 - $75.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	11,381	$232	$19.88	$17.11 - $21.88
Q2 2019	14,825	$334	$27.41	$21.29 - $37.75
Q1 2019	50,477	$1,842	$33.02	$28.19 - $36.56
Q1 2015	7,600	$463	$68.32	$57.31 - $75.17