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CIENA CORP
CIENA CORP. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 5 Institutional holders with a total value of $6,822,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 289,172 5,983,000 87.70%
2 CENTERSTAR FUND, LLC 12,400 294,000 4.31% Put PRN
3 CENTERSTAR FUND, LLC 12,437 260,000 3.81% PRN
4 INGALLS & SNYDER LLC 10,236 211,000 3.09% SH
5 CENTERSTAR FUND, LLC 4,400 74,000 1.08% Call PRN

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.