RYB ED INC

CUSIP: 74979W101 Class: ADR

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

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

Q1 2019
Shares 7,830 Value ($000) $51 Avg Close — Range —
Q4 2018
Shares 90,764 Value ($000) $530 Avg Close — Range —