UNIVERSAL DISPLAY CORP

Ticker: OLED CUSIP: 91347P105 Class: Common Stock

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 726,505 Value ($000) $84,846 Avg Close $129.25 Range $106.82 - $152.79

Q3 2025

Shares 685,707 Value ($000) $98,490 Avg Close $144.44 Range $132.48 - $161.20

Q2 2025

Shares 666,690 Value ($000) $102,985 Avg Close $138.68 Range $102.66 - $161.57

Q1 2025

Shares 635,042 Value ($000) $88,583 Avg Close $147.55 Range $135.32 - $162.15

Q4 2024

Shares 499,089 Value ($000) $72,971 Avg Close $175.37 Range $143.37 - $211.24

Q3 2024

Shares 445,943 Value ($000) $93,597 Avg Close $199.13 Range $153.86 - $232.88

Q2 2024

Shares 469,570 Value ($000) $98,725 Avg Close $172.49 Range $145.88 - $208.77

Q1 2024

Shares 368,761 Value ($000) $62,118 Avg Close $170.29 Range $152.89 - $185.43

Q4 2023

Shares 349,904 Value ($000) $66,925 Avg Close $161.47 Range $130.51 - $190.61

Q3 2023

Shares 391,778 Value ($000) $61,506 Avg Close $148.04 Range $132.08 - $162.28

Q2 2023

Shares 394,295 Value ($000) $56,827 Avg Close $139.33 Range $122.44 - $153.08

Q1 2023

Shares 387,918 Value ($000) $60,175 Avg Close $130.36 Range $102.50 - $151.53

Q4 2022

Shares 379,806 Value ($000) $41 Avg Close $101.46 Range $86.46 - $118.30

Q3 2022

Shares 306,043 Value ($000) $28,879 Avg Close $106.77 Range $91.01 - $123.40

Q2 2022

Shares 244,519 Value ($000) $24,732 Avg Close $123.72 Range $95.17 - $164.79

Q1 2022

Shares 202,485 Value ($000) $33,808 Avg Close $149.02 Range $123.04 - $171.54

Q4 2021

Shares 195,452 Value ($000) $32,255 Avg Close $158.09 Range $134.02 - $180.74

Q3 2021

Shares 187,883 Value ($000) $32,124 Avg Close $198.32 Range $163.63 - $226.92

Q2 2021

Shares 185,342 Value ($000) $41,209 Avg Close $209.57 Range $177.37 - $235.73

Q1 2021

Shares 185,826 Value ($000) $43,990 Avg Close $220.81 Range $172.23 - $251.14

Q4 2020

Shares 183,773 Value ($000) $42,233 Avg Close $204.14 Range $168.68 - $236.05

Q3 2020

Shares 176,752 Value ($000) $31,943 Avg Close $163.00 Range $139.85 - $191.81

Q2 2020

Shares 167,495 Value ($000) $25,058 Avg Close $139.94 Range $112.38 - $160.88

Q1 2020

Shares 156,923 Value ($000) $20,682 Avg Close $163.84 Range $100.21 - $211.62

Q4 2019

Shares 186,507 Value ($000) $38,435 Avg Close $179.87 Range $150.40 - $208.09

Q3 2019

Shares 203,310 Value ($000) $34,137 Avg Close $190.36 Range $155.52 - $219.12

Q2 2019

Shares 201,521 Value ($000) $37,899 Avg Close $158.15 Range $136.49 - $183.14

Q1 2019

Shares 201,230 Value ($000) $30,758 Avg Close $117.58 Range $74.86 - $154.31

Q4 2018

Shares 196,113 Value ($000) $18,350 Avg Close $95.84 Range $77.57 - $123.46

Q3 2018

Shares 188,222 Value ($000) $22,190 Avg Close $104.34 Range $78.45 - $123.96

Q2 2018

Shares 220,075 Value ($000) $18,924 Avg Close $90.46 Range $74.75 - $111.31

Q1 2018

Shares 186,487 Value ($000) $18,835 Avg Close $142.53 Range $93.92 - $198.16

Q4 2017

Shares 179,111 Value ($000) $30,926 Avg Close $151.14 Range $118.83 - $182.72

Q3 2017

Shares 206,614 Value ($000) $26,621 Avg Close $114.67 Range $101.50 - $137.74

Q2 2017

Shares 206,053 Value ($000) $22,513 Avg Close $99.76 Range $76.56 - $123.79

Q1 2017

Shares 185,017 Value ($000) $15,930 Avg Close $68.17 Range $53.18 - $85.23

Q4 2016

Shares 187,011 Value ($000) $10,529 Avg Close $52.08 Range $45.35 - $60.85

Q3 2016

Shares 184,298 Value ($000) $10,230 Avg Close $60.03 Range $47.95 - $70.46

Q2 2016

Shares 118,884 Value ($000) $8,060 Avg Close $58.21 Range $49.14 - $67.68

Q1 2016

Shares 104,130 Value ($000) $5,633 Avg Close $46.29 Range $38.30 - $52.96

Q4 2015

Shares 161,518 Value ($000) $8,793 Avg Close $41.75 Range $30.75 - $54.87

Q3 2015

Shares 261,050 Value ($000) $8,850 Avg Close $39.55 Range $31.36 - $50.38

Q2 2015

Shares 107,146 Value ($000) $5,543 Avg Close $47.77 Range $41.41 - $52.88

Q1 2015

Shares 112,864 Value ($000) $5,276 Avg Close $33.59 Range $24.26 - $45.35

Q4 2014

Shares 111,867 Value ($000) $3,104 Avg Close $26.98 Range $23.47 - $31.93

Q3 2014

Shares 104,967 Value ($000) $3,426 Avg Close $31.26 Range $27.23 - $37.62

Q2 2014

Shares 103,267 Value ($000) $3,315 Avg Close $26.43 Range $21.49 - $31.22

Q1 2014

Shares 40,695 Value ($000) $1,299 Avg Close $31.44 Range $28.52 - $34.01

Q4 2013

Shares 800 Value ($000) $27 Avg Close $31.56 Range $27.20 - $37.64

Q3 2013

Shares 800 Value ($000) $26 Avg Close $30.27 Range $25.40 - $36.09

Q2 2013

Shares 2,125 Value ($000) $60 Avg Close $28.09 Range $24.34 - $32.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	726,505	$84,846	$129.25	$106.82 - $152.79
Q3 2025	685,707	$98,490	$144.44	$132.48 - $161.20
Q2 2025	666,690	$102,985	$138.68	$102.66 - $161.57
Q1 2025	635,042	$88,583	$147.55	$135.32 - $162.15
Q4 2024	499,089	$72,971	$175.37	$143.37 - $211.24
Q3 2024	445,943	$93,597	$199.13	$153.86 - $232.88
Q2 2024	469,570	$98,725	$172.49	$145.88 - $208.77
Q1 2024	368,761	$62,118	$170.29	$152.89 - $185.43
Q4 2023	349,904	$66,925	$161.47	$130.51 - $190.61
Q3 2023	391,778	$61,506	$148.04	$132.08 - $162.28
Q2 2023	394,295	$56,827	$139.33	$122.44 - $153.08
Q1 2023	387,918	$60,175	$130.36	$102.50 - $151.53
Q4 2022	379,806	$41	$101.46	$86.46 - $118.30
Q3 2022	306,043	$28,879	$106.77	$91.01 - $123.40
Q2 2022	244,519	$24,732	$123.72	$95.17 - $164.79
Q1 2022	202,485	$33,808	$149.02	$123.04 - $171.54
Q4 2021	195,452	$32,255	$158.09	$134.02 - $180.74
Q3 2021	187,883	$32,124	$198.32	$163.63 - $226.92
Q2 2021	185,342	$41,209	$209.57	$177.37 - $235.73
Q1 2021	185,826	$43,990	$220.81	$172.23 - $251.14
Q4 2020	183,773	$42,233	$204.14	$168.68 - $236.05
Q3 2020	176,752	$31,943	$163.00	$139.85 - $191.81
Q2 2020	167,495	$25,058	$139.94	$112.38 - $160.88
Q1 2020	156,923	$20,682	$163.84	$100.21 - $211.62
Q4 2019	186,507	$38,435	$179.87	$150.40 - $208.09
Q3 2019	203,310	$34,137	$190.36	$155.52 - $219.12
Q2 2019	201,521	$37,899	$158.15	$136.49 - $183.14
Q1 2019	201,230	$30,758	$117.58	$74.86 - $154.31
Q4 2018	196,113	$18,350	$95.84	$77.57 - $123.46
Q3 2018	188,222	$22,190	$104.34	$78.45 - $123.96
Q2 2018	220,075	$18,924	$90.46	$74.75 - $111.31
Q1 2018	186,487	$18,835	$142.53	$93.92 - $198.16
Q4 2017	179,111	$30,926	$151.14	$118.83 - $182.72
Q3 2017	206,614	$26,621	$114.67	$101.50 - $137.74
Q2 2017	206,053	$22,513	$99.76	$76.56 - $123.79
Q1 2017	185,017	$15,930	$68.17	$53.18 - $85.23
Q4 2016	187,011	$10,529	$52.08	$45.35 - $60.85
Q3 2016	184,298	$10,230	$60.03	$47.95 - $70.46
Q2 2016	118,884	$8,060	$58.21	$49.14 - $67.68
Q1 2016	104,130	$5,633	$46.29	$38.30 - $52.96
Q4 2015	161,518	$8,793	$41.75	$30.75 - $54.87
Q3 2015	261,050	$8,850	$39.55	$31.36 - $50.38
Q2 2015	107,146	$5,543	$47.77	$41.41 - $52.88
Q1 2015	112,864	$5,276	$33.59	$24.26 - $45.35
Q4 2014	111,867	$3,104	$26.98	$23.47 - $31.93
Q3 2014	104,967	$3,426	$31.26	$27.23 - $37.62
Q2 2014	103,267	$3,315	$26.43	$21.49 - $31.22
Q1 2014	40,695	$1,299	$31.44	$28.52 - $34.01
Q4 2013	800	$27	$31.56	$27.20 - $37.64
Q3 2013	800	$26	$30.27	$25.40 - $36.09
Q2 2013	2,125	$60	$28.09	$24.34 - $32.23