IGM BIOSCIENCES INC

CUSIP: 449585108 Class: Common Stock

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q2 2025
Shares 35,210 Value ($000) $0 Avg Close — Range —
Q1 2025
Shares 42,864 Value ($000) $0 Avg Close — Range —
Q4 2024
Shares 3,568,999 Value ($000) $22 Avg Close — Range —
Q3 2024
Shares 4,014,259 Value ($000) $66 Avg Close — Range —
Q2 2024
Shares 4,075,091 Value ($000) $28 Avg Close — Range —
Q1 2024
Shares 3,888,023 Value ($000) $38 Avg Close — Range —
Q4 2023
Shares 3,260,022 Value ($000) $27 Avg Close — Range —
Q3 2023
Shares 3,242,715 Value ($000) $27 Avg Close — Range —
Q2 2023
Shares 3,230,870 Value ($000) $30 Avg Close — Range —
Q1 2023
Shares 2,120,875 Value ($000) $29 Avg Close — Range —
Q4 2022
Shares 2,206,407 Value ($000) $38 Avg Close — Range —
Q3 2022
Shares 2,217,766 Value ($000) $50,433 Avg Close — Range —
Q2 2022
Shares 2,622,873 Value ($000) $47,290 Avg Close — Range —
Q1 2022
Shares 2,246,041 Value ($000) $60,037 Avg Close — Range —
Q4 2021
Shares 2,371,275 Value ($000) $69,549 Avg Close — Range —
Q3 2021
Shares 2,357,464 Value ($000) $155,027 Avg Close — Range —
Q2 2021
Shares 1,986,071 Value ($000) $165,241 Avg Close — Range —
Q1 2021
Shares 1,796,311 Value ($000) $137,759 Avg Close — Range —
Q4 2020
Shares 1,328,784 Value ($000) $117,318 Avg Close — Range —
Q3 2020
Shares 868,211 Value ($000) $64,083 Avg Close — Range —
Q2 2020
Shares 907,228 Value ($000) $66,228 Avg Close — Range —
Q1 2020
Shares 818,302 Value ($000) $45,948 Avg Close — Range —
Q4 2019
Shares 917,521 Value ($000) $35,013 Avg Close — Range —
Q3 2019
Shares 815,279 Value ($000) $14,471 Avg Close — Range —