IGM BIOSCIENCES INC

CUSIP: 449585108 Class: Common Stock

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

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

Q1 2022
Shares 298,597 Value ($000) $7,981 Avg Close — Range —
Q3 2021
Shares 38,030 Value ($000) $2,501 Avg Close — Range —
Q2 2021
Shares 38,030 Value ($000) $3,164 Avg Close — Range —
Q4 2019
Shares 100,000 Value ($000) $3,816 Avg Close — Range —
Q3 2019
Shares 100,000 Value ($000) $1,775 Avg Close — Range —