ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q4 2025

Shares 13,701 Value ($000) $383 Avg Close $29.95 Range $27.49 - $36.32

Q2 2025

Shares 123,678 Value ($000) $3,538 Avg Close $29.76 Range $25.56 - $33.48

Q4 2023

Shares 22,904 Value ($000) $635 Avg Close $25.98 Range $22.01 - $29.02

Q3 2017

Shares 24,822 Value ($000) $1,262 Avg Close $53.48 Range $48.90 - $61.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,701	$383	$29.95	$27.49 - $36.32
Q2 2025	123,678	$3,538	$29.76	$25.56 - $33.48
Q4 2023	22,904	$635	$25.98	$22.01 - $29.02
Q3 2017	24,822	$1,262	$53.48	$48.90 - $61.31