Platinum Investment Management Shows New 5.15% Stake in Ciena Corp. (CIEN)

In a 13G filing on Ciena Corp. (Nasdaq: CIEN), hedge fund Platinum Investment Management Ltd. disclosed a 5.15%, or 4,923,000 share, stake in the company. The firm did not hold shares at the end of the latest quarter ending June 30, 2011.

For more notable holders of Ciena Corp. stock click here.

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