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Ticker: ZM CUSIP: 98980L101 Class: EQTY

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q3 2021

Shares 7,677 Value ($000) $2,008 Avg Close $337.16 Range $255.25 - $406.48

Q2 2021

Shares 7,170 Value ($000) $2,775 Avg Close $333.04 Range $273.20 - $395.44

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	7,677	$2,008	$337.16	$255.25 - $406.48
Q2 2021	7,170	$2,775	$333.04	$273.20 - $395.44