Y-MABS THERAPEUTICS INC

CUSIP: 984241109 Class: Common Stock

ADVISORY RESEARCH INC's Holding History (CIK: 0000902584)

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

Q1 2020
Shares 22,391 Value ($000) $584 Avg Close — Range —
Q4 2019
Shares 33,951 Value ($000) $1,061 Avg Close — Range —