ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

Atom Investors LP's Holding History (CIK: 0001738902)

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

Q4 2025

Shares 65,706 Value ($000) $1,838 Avg Close $29.95 Range $27.49 - $36.32

Q1 2021

Shares 69,388 Value ($000) $1,296 Avg Close $20.47 Range $18.02 - $23.92

Q4 2020

Shares 707,468 Value ($000) $14,114 Avg Close $18.28 Range $15.35 - $22.22

Q3 2020

Shares 483,566 Value ($000) $8,013 Avg Close $18.17 Range $15.68 - $20.85

Q2 2020

Shares 449,294 Value ($000) $8,719 Avg Close $16.23 Range $13.03 - $19.86

Q1 2020

Shares 343,259 Value ($000) $4,950 Avg Close $17.85 Range $11.98 - $21.46

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	65,706	$1,838	$29.95	$27.49 - $36.32
Q1 2021	69,388	$1,296	$20.47	$18.02 - $23.92
Q4 2020	707,468	$14,114	$18.28	$15.35 - $22.22
Q3 2020	483,566	$8,013	$18.17	$15.68 - $20.85
Q2 2020	449,294	$8,719	$16.23	$13.03 - $19.86
Q1 2020	343,259	$4,950	$17.85	$11.98 - $21.46