CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q1 2016

Shares 48,700 Value ($000) $926 Avg Close $18.47 Range $16.32 - $21.14

Q4 2015

Shares 48,700 Value ($000) $1,007 Avg Close $22.97 Range $18.98 - $25.46

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	48,700	$926	$18.47	$16.32 - $21.14
Q4 2015	48,700	$1,007	$22.97	$18.98 - $25.46