CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

PARNASSUS INVESTMENTS, LLC's Holding History (CIK: 0000948669)

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

Q3 2017
Shares 1,700,000 Value ($000) $37,349 Avg Close $23.93 Range $20.86 - $26.92
Q2 2017
Shares 2,700,000 Value ($000) $67,554 Avg Close $23.96 Range $21.43 - $27.98
Q1 2017
Shares 4,500,000 Value ($000) $106,245 Avg Close $24.52 Range $22.73 - $26.84
Q4 2016
Shares 5,250,000 Value ($000) $128,153 Avg Close $21.85 Range $18.94 - $25.19
Q3 2016
Shares 5,700,000 Value ($000) $124,260 Avg Close $20.85 Range $17.59 - $23.60
Q2 2016
Shares 6,000,000 Value ($000) $112,500 Avg Close $18.11 Range $15.62 - $21.87
Q1 2016
Shares 5,600,000 Value ($000) $106,512 Avg Close $18.47 Range $16.32 - $21.14
Q4 2015
Shares 4,900,000 Value ($000) $101,381 Avg Close $22.97 Range $18.98 - $25.46
Q3 2015
Shares 3,100,000 Value ($000) $64,232 Avg Close $23.24 Range $17.97 - $26.50
Q2 2015
Shares 3,000,000 Value ($000) $71,040 Avg Close $22.84 Range $18.75 - $26.20
Q1 2015
Shares 3,625,000 Value ($000) $69,999 Avg Close $19.93 Range $17.86 - $21.47
Q4 2014
Shares 3,725,000 Value ($000) $72,302 Avg Close $16.70 Range $13.77 - $20.14
Q3 2014
Shares 2,340,000 Value ($000) $39,125 Avg Close $19.60 Range $16.66 - $22.46
Q2 2014
Shares 2,200,000 Value ($000) $47,652 Avg Close $20.54 Range $18.00 - $24.21
Q1 2014
Shares 2,231,631 Value ($000) $50,747 Avg Close $23.52 Range $21.41 - $27.16
Q4 2013
Shares 2,460,394 Value ($000) $58,877 Avg Close $23.81 Range $20.93 - $27.94
Q3 2013
Shares 2,458,027 Value ($000) $61,402 Avg Close $22.53 Range $19.37 - $26.17
Q2 2013
Shares 3,601,572 Value ($000) $69,943 Avg Close $16.65 Range $14.14 - $20.60