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

Institutional Holders (2016Q4)
Portfolio Summary: 3 Institutional holders with a total value of $3,131,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Timber Hill LLC 95,300 2,326,000 74.29% Put
2 GROUP ONE TRADING LLC 29,100 710,000 22.68% Put
3 SIMPLEX TRADING, LLC 421 95,000 3.03% 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.