Universal Display Corporation
US ˙ NasdaqGS ˙ US91347P1057

SecurityOLED / Universal Display Corporation
InstitutionPrincipal Financial Group Inc
Latest Disclosed Ownership98,688 shares
Latest Disclosed Value $ 9,045,741
Principal Financial Group Inc reports 3.76% increase in ownership of OLED / Universal Display Corporation

On May 4, 2026 - Principal Financial Group Inc filed a 13F-HR form disclosing ownership of 98,688 shares of Universal Display Corporation (US:OLED) valued at $9,045,742 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 2, 2026 disclosing 95,115 shares of Universal Display Corporation. This represents a change in shares of 3.76% during the quarter. The current value of the position is $8,900,671 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-04 2026-03-31 13F UNIVERSAL DISPLAY COM 91347P105 98,688 3,573 3.76 9,046 -18.56 0.0025
2026-02-02 2025-12-31 13F UNIVERSAL DISPLAY COM 91347P105 95,115 -3,066 -3.12 11,108 -21.23 0.0057
2025-11-04 2025-09-30 13F UNIVERSAL DISPLAY COM 91347P105 98,181 -2,020 -2.02 14,102 -8.89 0.0071
2025-08-08 2025-06-30 13F UNIVERSAL DISPLAY COM 91347P105 100,201 -1,923 -1.88 15,477 8.66 0.0082
2025-04-28 2025-03-31 13F UNIVERSAL DISPLAY COM 91347P105 102,124 -84 -0.08 14,244 -4.67 0.0080
2025-01-31 2024-12-31 13F UNIVERSAL DISPLAY COM 91347P105 102,208 -24,520 -19.35 14,943 -43.83 0.0081
2024-10-31 2024-09-30 13F UNIVERSAL DISPLAY COM 91347P105 126,728 -43,241 -25.44 26,600 -25.56 0.0147
2024-07-29 2024-06-30 13F UNIVERSAL DISPLAY COM 91347P105 169,969 5,284 3.21 35,736 28.82 0.0212
2024-04-29 2024-03-31 13F UNIVERSAL DISPLAY COM 91347P105 164,685 3,627 2.25 27,741 -9.94 0.0163
2024-02-07 2023-12-31 13F UNIVERSAL DISPLAY COM 91347P105 161,058 -847 -0.52 30,804 21.19 0.0196
2023-11-02 2023-09-30 13F UNIVERSAL DISPLAY COM 91347P105 161,905 -24,213 -13.01 25,417 -5.25 0.0183
2023-08-07 2023-06-30 13F UNIVERSAL DISPLAY COM 91347P105 186,118 -5,639 -2.94 26,825 -9.82 0.0183
2023-05-09 2023-03-31 13F UNIVERSAL DISPLAY COM 91347P105 191,757 19,953 11.61 29,747 60.27 0.0213
2023-02-09 2022-12-31 13F UNIVERSAL DISPLAY COM 91347P105 171,804 2,192 1.29 18,562 15.98 0.0140
2022-11-09 2022-09-30 13F UNIVERSAL DISPLAY COM 91347P105 169,612 -2,854 -1.65 16,003 -8.26 0.0127
2022-08-10 2022-06-30 13F UNIVERSAL DISPLAY COM 91347P105 172,466 -113,978 -39.79 17,444 -63.52 0.0129
2022-05-09 2022-03-31 13F UNIVERSAL DISPLAY COM 91347P105 286,444 137,337 92.11 47,822 94.34 0.0190
2022-05-09 2022-03-31 13F UNIVERSAL DISPLAY COM 91347P105 147,490 24,624
2022-02-09 2021-12-31 13F UNIVERSAL DISPLAY COM 91347P105 149,107 -1,829 -1.21 24,607 -4.64 0.0147
2021-11-09 2021-09-30 13F UNIVERSAL DISPLAY COM 91347P105 150,936 474 0.32 25,804 -22.86 0.0168
2021-08-10 2021-06-30 13F UNIVERSAL DISPLAY COM 91347P105 150,462 1,174 0.79 33,452 -5.36 0.0216
2021-05-10 2021-03-31 13F UNIVERSAL DISPLAY COM 91347P105 149,288 18,560 14.20 35,347 17.66 0.0249
2021-02-23 2020-12-31 13F/A-1 UNIVERSAL DISPLAY COM 91347P105 130,728 434 0.33 30,041 27.56 0.0223
2021-02-08 2020-12-31 13F UNIVERSAL DISPLAY COM 91347P105 130,728 434 30,041 11,818.5924
2020-11-06 2020-09-30 13F UNIVERSAL DISPLAY COM 91347P105 130,294 -3,512 -2.62 23,550 17.63 0.0198
2020-08-05 2020-06-30 13F UNIVERSAL DISPLAY COM 91347P105 133,806 8,477 6.76 20,020 21.22 0.0178
2020-05-12 2020-03-31 13F UNIVERSAL DISPLAY COM 91347P105 125,329 -59,414 -32.16 16,516 -56.62 0.0183
2020-02-05 2019-12-31 13F UNIVERSAL DISPLAY COM 91347P105 184,743 -76 -0.04 38,070 22.68 0.0317
2019-11-13 2019-09-30 13F UNIVERSAL DISPLAY COM 91347P105 184,819 -380 -0.21 31,031 -10.90 0.0274
2019-08-12 2019-06-30 13F UNIVERSAL DISPLAY COM 91347P105 185,199 141 0.08 34,829 23.13 0.0313
2019-05-10 2019-03-31 13F UNIVERSAL DISPLAY COM 91347P105 185,058 2,684 1.47 28,286 65.75 0.0263
2019-02-14 2018-12-31 13F UNIVERSAL DISPLAY COM 91347P105 182,374 179,886 7,230.14 17,065 5,724.23 0.0182
2018-11-14 2018-09-30 13F UNIVERSAL DISPLAY COM 91347P105 2,488 101 4.23 293 42.93 0.0003
2018-08-13 2018-06-30 13F UNIVERSAL DISPLAY COM 91347P105 2,387 61 2.62 205 -12.77 0.0002
2018-05-14 2018-03-31 13F UNIVERSAL DISPLAY COM 91347P105 2,326 -3,169 -57.67 235 -75.21 0.0002
2018-02-12 2017-12-31 13F UNIVERSAL DISPLAY COM 91347P105 5,495 -4,756 -46.40 948 -28.24 0.0009
2017-11-02 2017-09-30 13F UNIVERSAL DISPLAY COM 91347P105 10,251 -1,208 -10.54 1,321 5.51 0.0013
2017-08-08 2017-06-30 13F UNIVERSAL DISPLAY COM 91347P105 11,459 2,750 31.58 1,252 66.93 0.0013
2017-05-11 2017-03-31 13F UNIVERSAL DISPLAY COM 91347P105 8,709 2,856 48.80 750 127.27 0.0009
2017-02-13 2016-12-31 13F UNIVERSAL DISPLAY COM 91347P105 5,853 -3,604 -38.11 330 -37.14 0.0004
2016-11-10 2016-09-30 13F UNIVERSAL DISPLAY COM 91347P105 9,457 -191 -1.98 525 -19.72 0.0007
2016-08-09 2016-06-30 13F UNIVERSAL DISPLAY COM 91347P105 9,648 -25 -0.26 654 24.81 0.0009
2016-05-10 2016-03-31 13F UNIVERSAL DISPLAY COM 91347P105 9,673 4,392 83.17 524 82.58 0.0008
2016-02-09 2015-12-31 13F UNIVERSAL DISPLAY COM 91347P105 5,281 5,281 0.00 287 0.0004
2015-11-12 2015-09-30 13F/A-1 UNIVERSAL DISPLAY COM 91347P105 0 -6,063 -100.00 0 -100.00
2015-08-10 2015-06-30 13F UNIVERSAL DISPLAY COM 91347P105 6,063 -1,389 -18.64 314 -10.03 0.0005
2015-05-14 2015-03-31 13F/A-1 UNIVERSAL DISPLAY COM 91347P105 7,452 -245 -3.18 349 63.08 0.0005
2015-05-12 2015-03-31 13F UNIVERSAL DISPLAY COM 91347P105 7,452 348
2015-02-12 2014-12-31 13F UNIVERSAL DISPLAY COM 91347P105 7,697 -916 -10.64 214 -23.84 0.0003
2014-11-13 2014-09-30 13F UNIVERSAL DISPLAY COM 91347P105 8,613 0 0.00 281 1.81 0.0005
2014-08-12 2014-06-30 13F UNIVERSAL DISPLAY COM 91347P105 8,613 -2,550 -22.84 276 -22.47 0.0005
2014-05-13 2014-03-31 13F UNIVERSAL DISPLAY COM 91347P105 11,163 -106 -0.94 356 -8.01 0.0006
2014-02-12 2013-12-31 13F UNIVERSAL DISPLAY COM 91347P105 11,269 -1,926 -14.60 387 -8.51 0.0007
2013-11-05 2013-09-30 13F UNIVERSAL DISPLAY COM 91347P105 13,195 1,023 8.40 423 23.68 0.0009
2013-08-12 2013-06-30 13F UNIVERSAL DISPLAY COM 91347P105 12,172 12,172 342 0.0008
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.