Dark
Light
System
Security
CIENA CORP
CIENA CORP. Institutional holdings reported to the SEC.

Institutional Holders (2015Q3)
Portfolio Summary: 5 Institutional holders with a total value of $9,675,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 LOEWS CORP 200,000 4,144,000 42.83% Put
2 Timber Hill LLC 135,700 2,812,000 29.06% Put
3 CITADEL ADVISORS LLC 109,500 2,269,000 23.45% Put
4 GROUP ONE TRADING LLC 20,100 416,000 4.30% Put
5 SIMPLEX TRADING, LLC 211 34,000 0.35% 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.