Ciena Corp. (CIEN) Stock Holdings & Institutional Ownership

Ciena Corp.

CIEN

Super Fund	Position	Shares	Curr. Value	Port. %	Activity
Atreides Management	Equity	1,262,818	$102,704,988	0.53%	+100%
Primecap Management	Equity	478,550	$28,918,776	0.01%	+3.21%
Maverick Capital	Equity	10,546	$637,295	0.00%	+98.05%

Total Shares Held: 1,751,914

Total Value Reported: $132,261,059

Average Allocation per Portfolio 0.18%

Largest Single Portfolio Allocation: 0.53%

Largest Shareholder: Atreides Management

Change in Total Shares Held (Q on Q): +1,282,909

Percentage Change in Shares Held (Q on Q): 273.54%

Number of Current Holders: 3

Number of New Holders (Q on Q): 1

Number of Funds with Additions (Q on Q): 3

Number of Funds with Reductions (Q on Q): 0

Number of Funds Fully Divested (Q on Q): 0

Number of Funds with No Change (Q on Q): 0