ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

HighVista Strategies LLC's Holding History (CIK: 0001335325)

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

Q4 2025

Shares 26,401 Value ($000) $739 Avg Close $29.95 Range $27.49 - $36.32

Q3 2025

Shares 44,081 Value ($000) $1,322 Avg Close $28.20 Range $25.17 - $31.69

Q2 2025

Shares 52,944 Value ($000) $1,515 Avg Close $29.76 Range $25.56 - $33.48

Q1 2025

Shares 70,762 Value ($000) $2,337 Avg Close $32.61 Range $27.70 - $36.45

Q4 2024

Shares 54,446 Value ($000) $1,566 Avg Close $28.75 Range $25.67 - $32.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	26,401	$739	$29.95	$27.49 - $36.32
Q3 2025	44,081	$1,322	$28.20	$25.17 - $31.69
Q2 2025	52,944	$1,515	$29.76	$25.56 - $33.48
Q1 2025	70,762	$2,337	$32.61	$27.70 - $36.45
Q4 2024	54,446	$1,566	$28.75	$25.67 - $32.25