| Advisor Group, Inc. | -- | Dec 31, 19 | -34 | -- |
| WILLIAMS JONES & ASSOCIATES LLC | -- | Jun 30, 19 | -11.90K | -- |
| TIAA CREF INVESTMENT MANAGEMENT LLC | 112.12K | Mar 31, 19 | -29.40K | 1.68% |
| TEACHERS ADVISORS, LLC | 85.27K | Mar 31, 19 | +663 | 1.28% |
| Jump Trading, LLC | 23.50K | Mar 31, 19 | +23.50K | 0.35% |
| Delpha Capital Management, LLC | -- | Mar 31, 18 | -969 | -- |
| Hutchin Hill Capital, LP | -- | Dec 31, 17 | -17.60K | -- |
| KRV Capital LP | 200.00K | Jun 30, 17 | -2.00K | 3.00% |
| Virtu KCG Holdings LLC | -- | Jun 30, 17 | -13.28K | -- |
| JANUS HENDERSON INVESTORS US LLC | 1.20M | Mar 31, 17 | -1.86K | 18.06% |
| BlackRock Fund Advisors | 1.00M | Dec 31, 16 | +140.03K | 15.02% |
| BlackRock Institutional Trust Company, N.A. | 780.92K | Dec 31, 16 | +7.60K | 11.71% |
| BlackRock Investment Management, LLC | 110.74K | Dec 31, 16 | -324 | 1.66% |
| BlackRock Group LTD | 15.21K | Dec 31, 16 | +1.09K | 0.23% |
| BLACKROCK ADVISORS LLC | 15.09K | Dec 31, 16 | -230 | 0.23% |
| Emerald Acquisition Ltd. | 320.39K | Sep 30, 16 | -15.11K | 4.80% |
| RUSSELL FRANK CO/ | 316.64K | Mar 31, 16 | +89.51K | 4.75% |
| Schonfeld Group Holdings LLC | 152.89K | Dec 31, 15 | -97.11K | 2.29% |
| Cloud Gate Capital, LLC | 104.52K | Dec 31, 15 | +104.52K | 1.57% |
| LG Capital Management, LP | -- | Dec 31, 15 | -77.56K | -- |
| DECADE CAPITAL MANAGEMENT LLC | 64.70K | Sep 30, 15 | +16.91K | 0.97% |
| MUNDER CAPITAL MANAGEMENT | 37.53K | Sep 30, 14 | -3.20K | 0.56% |
| UBS AG | 30.31K | Sep 30, 14 | +158 | 0.45% |
| Hatteras Alternative Mutual Funds, LLC | -- | Jun 30, 14 | -23.48K | -- |
| CHARTWELL INVESTMENT PARTNERS/PA | 1.39M | Mar 31, 14 | +1.23M | 20.88% |
| CR Intrinsic Investors, LLC | -- | Mar 31, 14 | -175.00K | -- |
| Compass Efficient Model Portfolios, LLC | 476 | Dec 31, 13 | -- | 0.01% |
| Irish Life Investment Managers Ltd. | 2.10K | Jun 30, 13 | +2.10K | 0.03% |
| KNIGHT CAPITAL GROUP LLC | -- | Jun 30, 13 | -30.56K | -- |
| MANULIFE INVESTMENT MANAGEMENT (US) LLC | 13.21K | Mar 31, 13 | -271 | 0.20% |
| Manulife Investment Management (North America) Ltd | 10.21K | Mar 31, 13 | +10.21K | 0.15% |
| First Allied Securities, Inc. | 900 | Jun 30, 12 | -- | 0.01% |
| LEHMAN BROTHERS HOLDINGS INC. PLAN TRUST | 33.89K | Jun 30, 08 | +33.89K | 0.51% |