WELLINGTON MANAGEMENT GROUP LLP - CIENA CORP ownership

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CIENA CORP's ticker is and the CUSIP is 171779AJ0.

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Quarter-by-quarter ownership
WELLINGTON MANAGEMENT GROUP LLP ownership history of CIENA CORP
ValueSharesWeighting
Q3 2018$314,000
-21.7%
203,000
-33.0%
0.00%–
Q2 2018$401,000
+0.5%
303,0000.0%0.00%–
Q1 2018$399,000
+13.4%
303,0000.0%0.00%–
Q4 2017$352,000
-4.1%
303,0000.0%0.00%–
Q3 2017$367,000–303,000–0.00%–
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Other shareholders

There were no reported owners of CIENA CORP in Q4 2018.

NameSharesValueWeighting ↓
View complete list of CIENA CORP shareholders