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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 $8,874,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 LOEWS CORP 200,000 4,138,000 46.63% Put
2 Timber Hill LLC 110,800 2,292,000 25.83% Put
3 CITADEL ADVISORS LLC 110,400 2,284,000 25.74% Put
4 GROUP ONE TRADING LLC 6,900 143,000 1.61% Put
5 SIMPLEX TRADING, LLC 80 17,000 0.19% Put

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.