| SC 13G | 2019-02-08 | BlackRock Inc. | UNIVERSAL DISPLAY CORP \PA\ | 3,754,887 | 8.0% | EDGAR |
| SC 13G/A | 2018-12-06 | PRIMECAP MANAGEMENT CO/CA/ | UNIVERSAL DISPLAY CORP \PA\ | 4,732,344 | 10.0% | EDGAR |
| SC 13G | 2018-09-10 | PRIMECAP MANAGEMENT CO/CA/ | UNIVERSAL DISPLAY CORP \PA\ | 2,791,750 | 5.9% | EDGAR |
| SC 13G/A | 2018-02-14 | WADDELL & REED FINANCIAL INC | UNIVERSAL DISPLAY CORP \PA\ | 1,401,749 | 3.0% | EDGAR |
| SC 13G/A | 2018-02-09 | VANGUARD GROUP INC | UNIVERSAL DISPLAY CORP \PA\ | 3,424,107 | 7.3% | EDGAR |
| SC 13G/A | 2018-02-08 | TD ASSET MANAGEMENT INC | UNIVERSAL DISPLAY CORP \PA\ | 34,253 | 0.1% | EDGAR |
| SC 13G/A | 2017-07-10 | BlackRock Inc. | UNIVERSAL DISPLAY CORP \PA\ | 1,689,027 | 3.6% | EDGAR |
| SC 13G/A | 2017-02-14 | WADDELL & REED FINANCIAL INC | UNIVERSAL DISPLAY CORP \PA\ | 1,788,875 | 3.8% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | UNIVERSAL DISPLAY CORP \PA\ | 3,261,889 | 6.9% | EDGAR |
| SC 13G | 2017-02-10 | TD ASSET MANAGEMENT INC | UNIVERSAL DISPLAY CORP \PA\ | 34,127 | 0.1% | EDGAR |
| SC 13G | 2017-01-30 | BlackRock Inc. | UNIVERSAL DISPLAY CORP \PA\ | 2,785,942 | 5.9% | EDGAR |
| SC 13G/A | 2016-02-16 | DISCOVERY CAPITAL MANAGEMENT, LLC / CT | UNIVERSAL DISPLAY CORP \PA\ | 1,959,777 | 4.2% | EDGAR |
| SC 13G/A | 2016-02-12 | WADDELL & REED FINANCIAL INC | UNIVERSAL DISPLAY CORP \PA\ | 3,776,132 | 8.1% | EDGAR |
| SC 13G/A | 2016-02-11 | VANGUARD GROUP INC | UNIVERSAL DISPLAY CORP \PA\ | 2,913,477 | 6.2% | EDGAR |
| SC 13G/A | 2015-08-06 | DISCOVERY CAPITAL MANAGEMENT, LLC / CT | UNIVERSAL DISPLAY CORP \PA\ | 4,014,174 | 8.7% | EDGAR |
| SC 13G/A | 2015-02-13 | WADDELL & REED FINANCIAL INC | UNIVERSAL DISPLAY CORP \PA\ | 4,016,167 | 4.9% | EDGAR |
| SC 13G/A | 2015-02-11 | VANGUARD GROUP INC | UNIVERSAL DISPLAY CORP \PA\ | 2,463,332 | 5.4% | EDGAR |
| SC 13G/A | 2014-08-07 | BlackRock Inc. | UNIVERSAL DISPLAY CORP \PA\ | 2,260,640 | 4.9% | EDGAR |
| SC 13G/A | 2014-02-14 | DISCOVERY CAPITAL MANAGEMENT, LLC / CT | UNIVERSAL DISPLAY CORP \PA\ | 6,933,856 | 15.0% | EDGAR |
| SC 13G | 2014-02-12 | VANGUARD GROUP INC | UNIVERSAL DISPLAY CORP \PA\ | 2,370,926 | 5.1% | EDGAR |