IGM BIOSCIENCES INC

CUSIP: 449585108 Class: Common Stock

Bruce & Co., Inc.'s Holding History (CIK: 0001358331)

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

Q1 2025
Shares 100,000 Value ($000) $115 Avg Close — Range —
Q4 2024
Shares 100,000 Value ($000) $611 Avg Close — Range —
Q3 2024
Shares 100,000 Value ($000) $1,654 Avg Close — Range —
Q2 2024
Shares 100,000 Value ($000) $687 Avg Close — Range —
Q1 2024
Shares 65,000 Value ($000) $627 Avg Close — Range —
Q4 2023
Shares 65,000 Value ($000) $540 Avg Close — Range —
Q3 2023
Shares 120,000 Value ($000) $1,002 Avg Close — Range —
Q2 2023
Shares 55,000 Value ($000) $507 Avg Close — Range —
Q1 2023
Shares 55,000 Value ($000) $756 Avg Close — Range —
Q4 2022
Shares 55,000 Value ($000) $936 Avg Close — Range —
Q3 2022
Shares 55,000 Value ($000) $1,250 Avg Close — Range —
Q2 2022
Shares 55,000 Value ($000) $991 Avg Close — Range —
Q1 2022
Shares 55,000 Value ($000) $1,470 Avg Close — Range —
Q4 2021
Shares 55,000 Value ($000) $1,613 Avg Close — Range —
Q3 2021
Shares 55,000 Value ($000) $3,616 Avg Close — Range —
Q2 2021
Shares 55,000 Value ($000) $4,576 Avg Close — Range —