| SC 13G | 2014-02-07 | WADDELL & REED FINANCIAL INC | UNIVERSAL DISPLAY CORP \PA\ | 3,441,857 | 7.4% | EDGAR |
| SC 13G | 2014-01-31 | BlackRock Inc. | UNIVERSAL DISPLAY CORP \PA\ | 2,532,357 | 5.5% | EDGAR |
| SC 13G/A | 2013-09-10 | FMR LLC | UNIVERSAL DISPLAY CORP \PA\ | 1,356,886 | 2.9% | EDGAR |
| SC 13G/A | 2013-05-10 | FMR LLC | UNIVERSAL DISPLAY CORP \PA\ | 3,687,331 | 8.0% | EDGAR |
| SC 13G/A | 2013-02-14 | FMR LLC | UNIVERSAL DISPLAY CORP \PA\ | 6,045,960 | 13.0% | EDGAR |
| SC 13G/A | 2013-02-14 | DISCOVERY CAPITAL MANAGEMENT, LLC / CT | UNIVERSAL DISPLAY CORP \PA\ | 6,258,000 | 13.5% | EDGAR |
| SC 13G/A | 2013-02-08 | ARTISAN PARTNERS HOLDINGS LP | UNIVERSAL DISPLAY CORP \PA\ | - | 0.0% | EDGAR |
| SC 13G/A | 2012-05-23 | DISCOVERY CAPITAL MANAGEMENT, LLC / CT | UNIVERSAL DISPLAY CORP \PA\ | 5,958,626 | 12.8% | EDGAR |
| SC 13G/A | 2012-02-14 | FMR LLC | UNIVERSAL DISPLAY CORP \PA\ | 4,569,106 | 9.9% | EDGAR |
| SC 13G/A | 2012-02-14 | COATUE MANAGEMENT LLC | UNIVERSAL DISPLAY CORP \PA\ | 0 | 0.0% | EDGAR |
| SC 13G/A | 2012-02-14 | DISCOVERY CAPITAL MANAGEMENT, LLC / CT | UNIVERSAL DISPLAY CORP \PA\ | 5,696,656 | 12.4% | EDGAR |
| SC 13G | 2012-02-07 | ARTISAN PARTNERS HOLDINGS LP | UNIVERSAL DISPLAY CORP \PA\ | 3,224,300 | 7.0% | EDGAR |
| SC 13G | 2011-09-26 | COATUE MANAGEMENT LLC | UNIVERSAL DISPLAY CORP \PA\ | 2,881,463 | 6.3% | EDGAR |
| SC 13G/A | 2011-08-30 | DISCOVERY CAPITAL MANAGEMENT, LLC / CT | UNIVERSAL DISPLAY CORP \PA\ | 4,994,226 | 11.0% | EDGAR |
| SC 13G/A | 2011-08-10 | FMR LLC | UNIVERSAL DISPLAY CORP \PA\ | 3,740,815 | 8.2% | EDGAR |
| SC 13G | 2011-04-18 | DISCOVERY CAPITAL MANAGEMENT, LLC / CT | UNIVERSAL DISPLAY CORP \PA\ | 2,351,050 | 5.2% | EDGAR |
| SC 13G/A | 2011-02-14 | FMR LLC | UNIVERSAL DISPLAY CORP \PA\ | 5,776,482 | 15.0% | EDGAR |
| SC 13G/A | 2010-02-16 | FMR LLC | UNIVERSAL DISPLAY CORP \PA\ | 4,748,045 | 12.9% | EDGAR |
| SC 13G | 2009-03-10 | MAZAMA CAPITAL MANAGEMENT INC | UNIVERSAL DISPLAY CORP \PA\ | 1,442,383 | 4.1% | EDGAR |
| SC 13G/A | 2009-02-17 | FMR LLC | UNIVERSAL DISPLAY CORP \PA\ | 3,921,145 | 10.9% | EDGAR |