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

Institutional Holders (2015Q1)
Portfolio Summary: 24 Institutional holders with a total value of $244,979,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CAMDEN ASSET MANAGEMENT L P /CA 82,918,000 105,358,000 43.01% PRN
2 Invesco Ltd. 20,552,000 26,114,000 10.66%
3 ADVENT CAPITAL MANAGEMENT /DE/ 16,984,000 21,611,000 8.82% PRN
4 AQR ARBITRAGE LLC 12,710,000 16,213,000 6.62% PRN
5 Nicholas Investment Partners, LP 11,985,000 15,229,000 6.22% PRN
6 AMERIPRISE FINANCIAL INC 9,660,000 12,274,000 5.01% PRN
7 WELLS FARGO & COMPANY/MN 5,961,000 7,596,000 3.10% PRN
8 CSS LLC/IL 5,000,000 6,350,000 2.59% PRN
9 CAPSTONE INVESTMENT ADVISORS, LLC 5,000,000 6,344,000 2.59%
10 SILVERBACK ASSET MANAGEMENT LLC 4,500,000 5,703,000 2.33% PRN
11 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 4,500,000 5,701,000 2.33%
12 SSI INVESTMENT MANAGEMENT LLC 4,465,000 5,672,000 2.32% PRN
13 Calamos Advisors LLC 1,964,000 2,505,000 1.02% PRN
14 LOOMIS SAYLES & CO L P 104,489 2,018,000 0.82%
15 DEUTSCHE BANK AG\ 1,082,000 1,373,000 0.56% PRN
16 BANK OF AMERICA CORP /DE/ 1,026,000 1,304,000 0.53% PRN
17 ROYAL BANK OF CANADA 1,000,000 1,274,000 0.52% PRN
18 PUTNAM INVESTMENTS LLC 769,000 978,000 0.40%
19 MANAGED ACCOUNT ADVISORS LLC 452,000 574,000 0.23% PRN
20 CITIGROUP INC 250,000 318,000 0.13% PRN
21 MACKAY SHIELDS LLC 150,000 191,000 0.08% PRN
22 NOMURA HOLDINGS INC 100,000 127,000 0.05% PRN
23 Calamos Wealth Management LLC 76,000 97,000 0.04% PRN
24 GOLDMAN SACHS GROUP INC 43,000 55,000 0.02% 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.