MASON INDUSTRIAL TECHNOLGY I

CUSIP: 57520Y205 Class: UNT

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q1 2021
Shares 699,974 Value ($000) $6,958,000 Avg Close — Range —