IGM BIOSCIENCES INC

CUSIP: 449585108 Class: Common Stock

Avidity Partners Management LP's Holding History (CIK: 0001791827)

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

Q1 2021
Shares 293,000 Value ($000) $22,470 Avg Close — Range —
Q4 2020
Shares 80,000 Value ($000) $7,063 Avg Close — Range —