| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| Invesco Ltd. | 22 | 22 | 0.01% | 0.01% | 0.03% | Q2 2013 | Q3 2018 | 22 |
| ADVENT CAPITAL MANAGEMENT /DE/ | 22 | 22 | 0.16% | 0.36% | 0.67% | Q2 2013 | Q3 2018 | 22 |
| PUTNAM INVESTMENTS LLC | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2013 | Q3 2018 | 21 |
| DEUTSCHE BANK AG\ | 12 | 7 | 0.00% | 0.00% | 0.01% | Q3 2013 | Q2 2018 | 19 |
| CAMDEN ASSET MANAGEMENT L P /CA | 15 | 3 | 0.15% | 3.04% | 4.59% | Q3 2013 | Q2 2018 | 18 |
| SSI INVESTMENT MANAGEMENT LLC | 17 | 17 | 0.04% | 0.36% | 1.07% | Q2 2013 | Q2 2017 | 17 |
| Castle Creek Arbitrage, LLC | 14 | 14 | 0.37% | 1.80% | 3.58% | Q2 2015 | Q3 2018 | 14 |
| PALISADE CAPITAL MANAGEMENT, LP | 13 | 13 | 0.03% | 0.07% | 0.11% | Q2 2015 | Q2 2018 | 13 |
| AMERIPRISE FINANCIAL INC | 13 | 13 | 0.00% | 0.00% | 0.01% | Q4 2014 | Q4 2017 | 13 |
| WELLS FARGO & COMPANY/MN | 6 | 1 | 0.00% | 0.00% | 0.01% | Q1 2014 | Q3 2018 | 13 |
| BANK OF AMERICA CORP /DE/ | 11 | 2 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q3 2016 | 13 |
| ROYAL BANK OF CANADA | 8 | 4 | 0.00% | 0.00% | 0.01% | Q4 2013 | Q4 2016 | 12 |
| MACKAY SHIELDS LLC | 11 | 11 | 0.01% | 0.51% | 1.56% | Q2 2013 | Q4 2015 | 11 |
| NOMURA HOLDINGS INC | 7 | 1 | 0.00% | 0.00% | 0.01% | Q1 2014 | Q2 2017 | 11 |
| CITIGROUP INC | 6 | 1 | 0.00% | 0.00% | 0.01% | Q4 2013 | Q1 2018 | 10 |
| Citadel Advisors | 10 | 10 | 0.01% | 0.01% | 0.03% | Q2 2016 | Q3 2018 | 10 |
| CAPSTONE INVESTMENT ADVISORS, LLC | 7 | 2 | 0.10% | 0.24% | 0.54% | Q3 2014 | Q3 2018 | 9 |
| JPMORGAN CHASE & CO | 4 | 1 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q2 2018 | 9 |
| BARCLAYS PLC | 4 | 1 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q4 2017 | 9 |
| WELLINGTON MANAGEMENT GROUP LLP | 8 | 8 | 0.00% | 0.00% | 0.00% | Q4 2016 | Q3 2018 | 8 |
| Nicholas Investment Partners, LP | 8 | 8 | 0.88% | 0.99% | 1.05% | Q2 2013 | Q1 2015 | 8 |
| MANAGED ACCOUNT ADVISORS LLC | 8 | 8 | 0.00% | 0.00% | 0.00% | Q3 2013 | Q2 2015 | 8 |
| WOLVERINE ASSET MANAGEMENT LLC | 8 | 8 | 0.02% | 0.18% | 0.24% | Q4 2016 | Q3 2018 | 8 |
| CREDIT SUISSE AG/ | 3 | 1 | 0.00% | 0.00% | 0.01% | Q1 2013 | Q3 2018 | 7 |
| UBS OCONNOR LLC | 4 | 3 | 0.05% | 0.29% | 0.51% | Q4 2014 | Q1 2018 | 7 |
| AQR Capital Management | 7 | 7 | 0.03% | 0.05% | 0.09% | Q2 2013 | Q4 2014 | 7 |
| CREDIT AGRICOLE S A | 6 | 6 | 0.00% | 0.02% | 0.02% | Q2 2013 | Q3 2014 | 6 |
| AQR Arbitrage LLC | 6 | 6 | 0.11% | 0.16% | 0.23% | Q1 2015 | Q2 2016 | 6 |
| GOLDMAN SACHS GROUP INC | 4 | 2 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q2 2017 | 6 |
| LORD, ABBETT & CO. LLC | 5 | 5 | 0.02% | 0.04% | 0.06% | Q2 2013 | Q2 2014 | 5 |
| Calamos Advisors LLC | 5 | 5 | 0.00% | 0.02% | 0.02% | Q2 2014 | Q2 2015 | 5 |
| ZAZOVE ASSOCIATES LLC | 5 | 5 | 0.21% | 1.53% | 2.72% | Q3 2017 | Q3 2018 | 5 |
| CSS LLC/IL | 3 | 1 | 0.17% | 0.26% | 0.33% | Q1 2015 | Q2 2018 | 4 |
| IRON Financial LLC | 4 | 4 | 0.03% | 0.28% | 0.58% | Q4 2017 | Q3 2018 | 4 |
| BASSO CAPITAL MANAGEMENT, L.P. | 4 | 4 | 0.29% | 0.58% | 0.91% | Q4 2016 | Q3 2017 | 4 |
| ANGELO GORDON & CO., L.P. | 4 | 4 | 0.22% | 0.46% | 0.58% | Q2 2017 | Q1 2018 | 4 |
| BNP PARIBAS FINANCIAL MARKETS | 4 | 4 | 0.00% | 0.00% | 0.01% | Q4 2016 | Q3 2017 | 4 |
| LAZARD ASSET MANAGEMENT LLC | 4 | 4 | 0.01% | 0.02% | 0.03% | Q1 2017 | Q4 2017 | 4 |
| SG Americas Securities, LLC | 4 | 4 | 0.00% | 0.01% | 0.02% | Q4 2015 | Q3 2016 | 4 |
| LINDEN ADVISORS LP | 3 | 3 | 0.32% | 0.57% | 0.91% | Q2 2017 | Q4 2017 | 3 |
| Verition Fund Management LLC | 3 | 3 | 0.25% | 0.48% | 0.68% | Q2 2015 | Q4 2015 | 3 |
| ARROWGRASS CAPITAL PARTNERS (US) LP | 3 | 3 | 0.13% | 0.21% | 0.31% | Q3 2016 | Q1 2017 | 3 |
| Calamos Wealth Management LLC | 2 | 1 | 0.02% | 0.03% | 0.03% | Q2 2014 | Q1 2015 | 3 |
| Pine River Capital Management L.P. | 3 | 3 | 0.21% | 1.05% | 2.66% | Q1 2013 | Q3 2013 | 3 |
| Hutchin Hill Capital, LP | 3 | 3 | 0.10% | 0.16% | 0.28% | Q2 2015 | Q4 2015 | 3 |
| STEELHEAD PARTNERS LLC | 2 | 2 | 0.84% | 1.10% | 1.36% | Q2 2013 | Q3 2013 | 2 |
| Jefferies Group LLC | 1 | 1 | 0.00% | 0.01% | 0.01% | Q3 2015 | Q4 2016 | 2 |
| LOOMIS SAYLES & CO L P | 2 | 2 | 0.01% | 0.01% | 0.01% | Q4 2014 | Q1 2015 | 2 |
| GLG Partners LP | 2 | 2 | 0.15% | 0.16% | 0.18% | Q3 2017 | Q4 2017 | 2 |
| Weiss Asset Management LP | 1 | 1 | 1.11% | 1.23% | 1.36% | Q1 2018 | Q3 2018 | 2 |
| CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | 2 | 2 | 0.04% | 0.04% | 0.04% | Q2 2013 | Q3 2013 | 2 |
| BESSEMER GROUP INC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q4 2017 | Q4 2017 | 1 |
| SILVERBACK ASSET MANAGEMENT LLC | 1 | 1 | 1.18% | 1.18% | 1.18% | Q1 2015 | Q1 2015 | 1 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2018 | 1 |
| SOCIETE GENERALE | 1 | 1 | 0.01% | 0.01% | 0.01% | Q2 2016 | Q2 2016 | 1 |
| SYMPHONY ASSET MANAGEMENT LLC | 1 | 1 | 0.50% | 0.50% | 0.50% | Q2 2013 | Q2 2013 | 1 |
| Empyrean Capital Partners, LP | 1 | 1 | 0.13% | 0.13% | 0.13% | Q3 2017 | Q3 2017 | 1 |
| ALPINE ASSOCIATES ADVISORS | 1 | 1 | 0.40% | 0.40% | 0.40% | Q4 2013 | Q4 2013 | 1 |
| EQUITEC SPECIALISTS, LLC | 1 | 1 | 0.25% | 0.25% | 0.25% | Q3 2018 | Q3 2018 | 1 |
| ELLIOTT MANAGEMENT CORP | 1 | 1 | 0.18% | 0.18% | 0.18% | Q1 2014 | Q1 2014 | 1 |
| AVIVA PLC | 1 | 1 | 0.26% | 0.26% | 0.26% | Q2 2013 | Q2 2013 | 1 |
| Soros Fund Management | 1 | 1 | 0.15% | 0.15% | 0.15% | Q4 2017 | Q4 2017 | 1 |
This page lists all the filers that currently own CIENA CORP or have owned CIENA CORP in the past.