AC IMMUNE SA

Ticker: ACIU CUSIP: H00263105 Class: SHS

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

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

Q1 2022

Shares 485,005 Value ($000) $1,940 Avg Close $4.33 Range $3.45 - $5.21

Q4 2021

Shares 749,585 Value ($000) $3,710 Avg Close $5.81 Range $4.68 - $8.14

Q3 2021

Shares 751,251 Value ($000) $5,041 Avg Close $7.16 Range $6.13 - $12.61

Q2 2021

Shares 2,648,163 Value ($000) $21,000 Avg Close $6.91 Range $5.89 - $8.64

Q1 2021

Shares 3,648,163 Value ($000) $27,763 Avg Close $7.14 Range $4.99 - $12.50

Q4 2020

Shares 2,410,240 Value ($000) $12,461 Avg Close $5.10 Range $4.42 - $5.82

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	485,005	$1,940	$4.33	$3.45 - $5.21
Q4 2021	749,585	$3,710	$5.81	$4.68 - $8.14
Q3 2021	751,251	$5,041	$7.16	$6.13 - $12.61
Q2 2021	2,648,163	$21,000	$6.91	$5.89 - $8.64
Q1 2021	3,648,163	$27,763	$7.14	$4.99 - $12.50
Q4 2020	2,410,240	$12,461	$5.10	$4.42 - $5.82