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

Institutional Holders (2017Q1)
Portfolio Summary: 5 Institutional holders with a total value of $3,029,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Timber Hill LLC 88,800 2,097,000 69.23% Put
2 JPMORGAN CHASE & CO 23,200 548,000 18.09% Put
3 SIMPLEX TRADING, LLC 901 178,000 5.88% Put
4 GROUP ONE TRADING LLC 5,600 132,000 4.36% Put
5 Daiwa Securities Group Inc. 750 74,000 2.44%

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.