CIEN CIENA CORP COM

Ownership history in BAILARD, INC.  ·  20 quarters on record

This page tracks every 13F SEC filing in which BAILARD, INC. reported a position in CIENA CORP COM (CIEN). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.23% (2000 Q3)
Avg. % of fund
0.06%
First filed
1999 Q4
Last filed
2025 Q3
Quarters held
20
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 REDUCED 6,706 -1,547 -18.7% 0.02% $977K $145.67
2025 Q2 REDUCED 8,253 -10,247 -55.4% 0.02% $671K $81.33
2008 Q2 ADDED 18,500 +2,500 +15.6% 0.09% $429K $23.17
2008 Q1 ADDED 16,000 +2,814 +21.3% 0.09% $493K $30.83
2004 Q3 UNCHANGED 13,186 0% 0.00% $26K $13.86
2004 Q2 UNCHANGED 13,186 0% 0.01% $66K $25.90
2004 Q1 REDUCED 13,186 -100 -0.8% 0.01% $66K $34.79
2003 Q4 REDUCED 13,286 -31,288 -70.2% 0.02% $87K $45.92
2003 Q3 ADDED 44,574 +32,300 +263.2% 0.05% $252K $41.02
2003 Q2 UNCHANGED 12,274 0% 0.01% $63K $36.19
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% of Fund (quarterly)    CIEN price (monthly, adj. close)
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