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Ticker: ZM CUSIP: 98980L101 Class: EQTY

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q1 2021

Shares 6,685 Value ($000) $2,148 Avg Close $368.06 Range $302.32 - $451.77

Q4 2020

Shares 5,421 Value ($000) $1,829 Avg Close $445.83 Range $336.10 - $588.84

Q3 2020

Shares 5,386 Value ($000) $2,532 Avg Close $319.79 Range $230.00 - $529.74

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	6,685	$2,148	$368.06	$302.32 - $451.77
Q4 2020	5,421	$1,829	$445.83	$336.10 - $588.84
Q3 2020	5,386	$2,532	$319.79	$230.00 - $529.74