Keyence Corp

Ticker: KYCCF CUSIP: J32491102 Class: Common Stock

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

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

Q4 2021

Shares 68 Value ($000) $44 Avg Close $619.23 Range $546.35 - $670.88

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	68	$44	$619.23	$546.35 - $670.88