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Ciena Corp (CIEN) Ownership Data

Short Interest History (%)

This is the historical short interest of Ciena Corp, as measured by the Short Percentage Of Float.

Institutional Ownership History (%)

This the Institutional Ownership History of Ciena Corp Peter Lynch prefers to buy companies with low institutional ownership.

Insider ownership (%)

This is the historical insider ownership of Ciena Corp. It is usually better to buy companies with large insider ownership. The company insiders' interest are more aligned with external shareholders in this case.

Top Direct Holders

HolderShares% of Shares
Report Date
Steve W. Chaddick584,8750.55%2005-05-26
Jim Hjartarson571,8800.54%2004-12-20
Dr. Patrick H. Nettles,PhD401,4220.38%2014-04-10
Gary B. Smith401,3980.38%2014-09-22
James E. Moylan,Jr366,7360.34%2014-11-19
David M. Rothenstein235,7240.22%2014-09-22
Robert A. O'Neil231,0120.22%2005-01-03
Dr. Arthur D. Smith,PhD220,4600.21%2010-07-01
Philippe Morin206,3140.19%2014-09-22
Mr. Francois Locoh-Donou194,6330.18%2014-09-22

Top Fund Holders

HolderSharesReport Date% of Shares
% of Total
Assets Managed
Market Value
Hartford Mutual Funds Inc7,806,7752014-02-287.430.00191,812,462
Vanguard Group, Inc.6,881,1832014-09-306.460.01115,053,000
Invesco Advisers, Inc6,551,4442014-09-306.150.07109,540,000
Platinum Investment Management Ltd6,523,3252014-09-306.122.22109,069,000
J.P. Morgan Investment Management Inc.6,329,3212014-09-305.940.05105,826,000
Bank of New York Mellon Corporation5,685,0712014-02-285.410.00139,682,194
Boston Co Asset Management LLC5,462,8752014-09-305.130.1991,339,000
BlackRock Fund Advisors5,102,7832014-09-304.790.0285,319,000
Platinum Asset Management4,227,4042014-10-313.960.7870,829,012
AMP Platinum International4,097,0292014-10-313.840.7968,603,553

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