Y-MABS THERAPEUTICS INC

CUSIP: 984241109 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q2 2025
Shares 40,181 Value ($000) $181 Avg Close — Range —
Q4 2024
Shares 49,225 Value ($000) $385 Avg Close — Range —
Q3 2024
Shares 15,509 Value ($000) $204 Avg Close — Range —
Q4 2023
Shares 114,786 Value ($000) $783 Avg Close — Range —
Q3 2023
Shares 98,931 Value ($000) $539 Avg Close — Range —
Q2 2023
Shares 127,668 Value ($000) $867 Avg Close — Range —
Q3 2022
Shares 20,470 Value ($000) $295 Avg Close — Range —
Q2 2021
Shares 12,310 Value ($000) $415 Avg Close — Range —
Q3 2019
Shares 1,100 Value ($000) $29 Avg Close — Range —