CIEN Related 13Gs

Mar 19, 2013 09:22 AM Griffin's Citadel Boosts Stake in Ciena Corporation (CIEN) to 5.1%

May 14, 2012 04:11 PM SAC Capital Raises Stake in Ciena Corporation (CIEN) to 5.24%

Jan 12, 2012 09:29 AM Citadel Raises Stake in Ciena Corporation (CIEN) to 5.41%

Sep 12, 2011 05:07 PM Soros Fund Management Shows New 4.99% Stake in Ciena Corporation (CIEN)

Sep 2, 2011 06:28 AM Platinum Investment Management Shows New 5.15% Stake in Ciena Corp. (CIEN)

Jun 20, 2011 09:05 AM Highbridge Capital Raises Stake in Ciena Corporation (CIEN) to 5.15%

Jan 10, 2011 04:49 PM Mutual Fund Elephant Fidelity's Latest Big Bets (DANG, LYB, TSO, more...)

Aug 19, 2008 09:51 AM Griffin's Citadel Accumulates 5% Stake in Ciena (CIEN)

Oct 10, 2006 11:33 AM Fidelity Discloses 5%+ Stakes in a Number of New Stocks