Y-MABS THERAPEUTICS INC

CUSIP: 984241109 Class: Common Stock

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q2 2025
Shares 51,336 Value ($000) $232 Avg Close — Range —
Q4 2024
Shares 37,857 Value ($000) $296 Avg Close — Range —
Q3 2024
Shares 55,668 Value ($000) $732 Avg Close — Range —
Q2 2024
Shares 41,207 Value ($000) $498 Avg Close — Range —
Q1 2024
Shares 35,003 Value ($000) $569 Avg Close — Range —
Q4 2023
Shares 76,903 Value ($000) $524 Avg Close — Range —
Q3 2023
Shares 101,703 Value ($000) $554 Avg Close — Range —
Q2 2023
Shares 100,803 Value ($000) $684 Avg Close — Range —
Q1 2023
Shares 150,800 Value ($000) $756 Avg Close — Range —
Q4 2022
Shares 127,558 Value ($000) $622 Avg Close — Range —
Q3 2022
Shares 76,817 Value ($000) $1,108 Avg Close — Range —
Q2 2022
Shares 99,094 Value ($000) $1,499 Avg Close — Range —
Q1 2022
Shares 92,100 Value ($000) $1,094 Avg Close — Range —
Q4 2021
Shares 41,000 Value ($000) $665 Avg Close — Range —
Q3 2021
Shares 41,000 Value ($000) $1,170 Avg Close — Range —
Q2 2021
Shares 41,000 Value ($000) $1,386 Avg Close — Range —
Q1 2021
Shares 41,000 Value ($000) $1,240 Avg Close — Range —
Q4 2020
Shares 48,800 Value ($000) $2,416 Avg Close — Range —
Q3 2020
Shares 56,500 Value ($000) $2,169 Avg Close — Range —
Q2 2020
Shares 49,300 Value ($000) $2,130 Avg Close — Range —
Q1 2020
Shares 41,200 Value ($000) $1,075 Avg Close — Range —
Q4 2019
Shares 30,600 Value ($000) $956 Avg Close — Range —
Q3 2019
Shares 30,600 Value ($000) $797 Avg Close — Range —
Q2 2019
Shares 10,100 Value ($000) $231 Avg Close — Range —