| BRINKER CAPITAL INC | -- | Jun 30, 20 | -40.95K | -- |
| Leap Investments LP | -- | Jun 30, 20 | -35.80K | -- |
| Elk Creek Partners, LLC | 751.14K | Mar 31, 20 | +286.73K | -- |
| Xact Kapitalforvaltning AB | 17.99K | Mar 31, 20 | -- | -- |
| CHICAGO EQUITY PARTNERS LLC | -- | Mar 31, 20 | -115.19K | -- |
| LADENBURG THALMANN FINANCIAL SERVICES INC. | 11.50K | Dec 31, 19 | -270 | -- |
| Advisor Group, Inc. | 8.55K | Dec 31, 19 | -2.13K | -- |
| BB&T SECURITIES, LLC | 20.85K | Sep 30, 19 | +2.39K | -- |
| BOSTON ADVISORS LLC | 17.74K | Sep 30, 19 | +17.74K | -- |
| HARTWELL J M LIMITED PARTNERSHIP | 12.00K | Sep 30, 19 | +12.00K | -- |
| TEACHERS ADVISORS, LLC | 162.28K | Mar 31, 19 | -110.55K | -- |
| TIAA CREF INVESTMENT MANAGEMENT LLC | 115.14K | Mar 31, 19 | -3.36K | -- |
| RELIANCE TRUST CO OF DELAWARE | 7.02K | Mar 31, 19 | +7.02K | -- |
| Requisite Energy Fund I LP | 45.00K | Dec 31, 18 | +45.00K | -- |
| Marcus Capital, LLC | 23.35K | Sep 30, 18 | -550 | -- |
| ASCEND CAPITAL, LLC | -- | Sep 30, 18 | -207.11K | -- |
| FORTALEZA ASSET MANAGEMENT INC/ | 2.94K | Jun 30, 18 | +1.21K | -- |
| Edge Advisors, LLC | -- | Jun 30, 18 | -100 | -- |
| CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. | 22.91K | Dec 31, 17 | +1.90K | -- |
| BB&T INVESTMENT SERVICES, INC. | 63 | Dec 31, 17 | -- | -- |
| Numeric Investors LLC | -- | Dec 31, 17 | -158.30K | -- |
| AHL Partners LLP | -- | Dec 31, 17 | -7.08K | -- |
| FT Options LLC | -- | Sep 30, 17 | -41.19K | -- |
| BLUE JAY CAPITAL MANAGEMENT, LLC | 120.00K | Jun 30, 17 | +120.00K | -- |
| Airain ltd | 13.64K | Jun 30, 17 | +13.64K | -- |
| TFS CAPITAL LLC | -- | Jun 30, 17 | -22.60K | -- |
| Princeton Alpha Management LP | 9.18K | Mar 31, 17 | +9.18K | -- |
| R&F Capital Advisors LP | 6.46K | Mar 31, 17 | +6.46K | -- |
| BlackRock Fund Advisors | 2.31M | Dec 31, 16 | +251.32K | -- |
| BlackRock Institutional Trust Company, N.A. | 1.47M | Dec 31, 16 | +63.12K | -- |
| WEATHERBIE CAPITAL, LLC | 598.81K | Dec 31, 16 | +598.81K | -- |
| BlackRock Investment Management, LLC | 184.75K | Dec 31, 16 | -548 | -- |
| BLACKROCK ADVISORS LLC | 96.03K | Dec 31, 16 | +593 | -- |
| BlackRock Group LTD | 45.97K | Dec 31, 16 | +2.33K | -- |
| Rail-Splitter Capital Management, LLC | 16.20K | Dec 31, 16 | -144.03K | -- |
| BlackRock Japan Co. Ltd | 400 | Dec 31, 16 | -69 | -- |
| MSI Financial Services Inc | 120 | Dec 31, 16 | +20 | -- |
| RUSSELL FRANK CO/ | 13.35K | Mar 31, 16 | -4.32K | -- |
| Hoxton Financial, Inc. | 189 | Mar 31, 16 | -- | -- |
| MAZAMA CAPITAL MANAGEMENT INC | 63.49K | Dec 31, 15 | +19.92K | -- |
| Schonfeld Group Holdings LLC | 11.39K | Dec 31, 15 | +11.39K | -- |
| MANAGED ACCOUNT ADVISORS LLC | 86.08K | Jun 30, 15 | -2.99K | -- |
| 300 NORTH CAPITAL, LLC | -- | Jun 30, 15 | -37.94K | -- |
| UBS AG | 3.17K | Sep 30, 14 | +771 | -- |
| Wilmington Funds Management Corp | -- | Jun 30, 14 | -23.86K | -- |
| GLG INC. | 30.86K | Dec 31, 13 | +30.86K | -- |
| Jane Street Holding, LLC | -- | Dec 31, 13 | -16.24K | -- |