Diodes Incorporated
US ˙ NasdaqGS ˙ US2545431015

SecurityDIOD / Diodes Incorporated
InstitutionNorthern Trust Corp
Latest Disclosed Ownership542,209 shares
Latest Disclosed Value $ 37,011,186
Northern Trust Corp reports 3.77% increase in ownership of DIOD / Diodes Incorporated

On May 14, 2026 - Northern Trust Corp filed a 13F-HR form disclosing ownership of 542,209 shares of Diodes Incorporated (US:DIOD) valued at $37,011,186 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 522,495 shares of Diodes Incorporated. This represents a change in shares of 3.77% during the quarter. The current value of the position is $60,998,512 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)
2026-05-14 2026-03-31 13F DIODES COM 254543101 542,209 19,714 3.77 37,011 43.57 0.0010
2026-02-17 2025-12-31 13F DIODES COM 254543101 522,495 -26,045 -4.75 25,780 -11.68 0.0007
2025-11-14 2025-09-30 13F DIODES COM 254543101 548,540 -1,014 -0.18 29,188 0.42 0.0037
2025-08-13 2025-06-30 13F DIODES COM 254543101 549,554 -21,346 -3.74 29,066 17.93 0.0040
2025-05-13 2025-03-31 13F DIODES COM 254543101 570,900 336 0.06 24,646 -29.96 0.0037
2025-02-14 2024-12-31 13F DIODES COM 254543101 570,564 49,377 9.47 35,187 5.34 0.0050
2024-11-13 2024-09-30 13F DIODES COM 254543101 521,187 -23,420 -4.30 33,403 -14.73 0.0055
2024-08-14 2024-06-30 13F DIODES COM 254543101 544,607 -9,279 -1.68 39,174 0.32 0.0066
2024-05-14 2024-03-31 13F DIODES COM 254543101 553,886 -29,012 -4.98 39,049 -16.80 0.0067
2024-02-13 2023-12-31 13F DIODES COM 254543101 582,898 -1,081 -0.19 46,935 1.94 0.0085
2023-11-13 2023-09-30 13F DIODES COM 254543101 583,979 440 0.08 46,041 -14.69 0.0089
2023-08-11 2023-06-30 13F DIODES COM 254543101 583,539 8,755 1.52 53,972 1.23 0.0104
2023-05-15 2023-03-31 13F DIODES COM 254543101 574,784 682 0.12 53,317 21.97 0.0106
2023-02-13 2022-12-31 13F DIODES COM 254543101 574,102 -85,068 -12.91 43,712 2.16 0.0092
2022-11-14 2022-09-30 13F DIODES COM 254543101 659,170 -586 -0.09 42,786 0.44 0.0098
2022-08-12 2022-06-30 13F DIODES COM 254543101 659,756 5,025 0.77 42,600 -25.20 0.0091
2022-05-13 2022-03-31 13F DIODES COM 254543101 654,731 -25,450 -3.74 56,955 -23.75 0.0100
2022-02-08 2021-12-31 13F DIODES COM 254543101 680,181 -7,982 -1.16 74,692 19.81 0.0122
2021-11-15 2021-09-30 13F DIODES COM 254543101 688,163 -18,438 -2.61 62,340 10.60 0.0110
2021-08-13 2021-06-30 13F DIODES COM 254543101 706,601 14,587 2.11 56,366 2.02 0.0099
2021-05-12 2021-03-31 13F DIODES COM 254543101 692,014 -212,605 -23.50 55,250 -13.37 0.0103
2021-02-11 2020-12-31 13F DIODES COM 254543101 904,619 -18,568 -2.01 63,776 22.38 0.0124
2020-11-16 2020-09-30 13F DIODES COM 254543101 923,187 -25,579 -2.70 52,114 8.34 0.0114
2020-08-14 2020-06-30 13F DIODES COM 254543101 948,766 17,580 1.89 48,103 27.13 0.0114
2020-05-14 2020-03-31 13F DIODES COM 254543101 931,186 11,009 1.20 37,839 -27.05 0.0109
2020-02-14 2019-12-31 13F DIODES COM 254543101 920,177 -12,747 -1.37 51,870 38.48 0.0116
2019-11-13 2019-09-30 13F DIODES COM 254543101 932,924 58,624 6.71 37,457 17.80 0.0090
2019-08-13 2019-06-30 13F DIODES COM 254543101 874,300 86,659 11.00 31,798 16.34 0.0075
2019-05-13 2019-03-31 13F DIODES COM 254543101 787,641 4,794 0.61 27,331 8.22 0.0068
2019-02-12 2018-12-31 13F DIODES COM 254543101 782,847 -3,778 -0.48 25,255 -3.56 0.0071
2018-11-14 2018-09-30 13F DIODES COM 254543101 786,625 -2,355 -0.30 26,186 -3.72 0.0064
2018-09-18 2018-06-30 13F/A-1 DIODES COM 254543101 788,980 19,742 2.57 27,197 16.07 0.0069
2018-08-14 2018-06-30 13F DIODES COM 254543101 792,021 22,783 27,302
2018-05-09 2018-03-31 13F DIODES COM 254543101 769,238 2,769 0.36 23,431 6.63 0.0061
2018-02-14 2017-12-31 13F DIODES COM 254543101 766,469 -8,246 -1.06 21,974 -5.24 0.0056
2017-11-13 2017-09-30 13F DIODES COM 254543101 774,715 -2,569 -0.33 23,188 24.14 0.0060
2017-08-11 2017-06-30 13F DIODES COM 254543101 777,284 21,697 2.87 18,679 2.78 0.0052
2017-05-12 2017-03-31 13F DIODES COM 254543101 755,587 30,761 4.24 18,173 -2.33 0.0052
2017-02-13 2016-12-31 13F DIODES COM 254543101 724,826 -3,750 -0.51 18,607 19.67 0.0057
2016-11-09 2016-09-30 13F DIODES COM 254543101 728,576 6,890 0.95 15,548 14.65 0.0048
2016-08-12 2016-06-30 13F DIODES COM 254543101 721,686 8,480 1.19 13,561 -5.90 0.0044
2016-08-19 2016-03-31 13F/A-1 DIODES COM 254543101 713,206 33,236 4.89 14,412 -7.77 0.0048
2016-05-13 2016-03-31 13F Diodes COMM 254543101 713,206 14,336
2016-02-12 2015-12-31 13F Diodes COMM 254543101 679,970 10,201 1.52 15,626 9.18 0.0052
2015-11-12 2015-09-30 13F Diodes COMM 254543101 669,769 88,347 15.19 14,312 2.10 0.0048
2015-08-13 2015-06-30 13F DIODES COM 254543101 581,422 8,574 1.50 14,018 -14.32 0.0095
2015-05-14 2015-03-31 13F Diodes COMM 254543101 572,848 11,343 2.02 16,360 5.68 0.0049
2015-02-12 2014-12-31 13F Diodes COM 254543101 561,505 5,146 0.92 15,480 16.32 0.0047
2014-11-13 2014-09-30 13F Diodes COMM 254543101 556,359 40,297 7.81 13,308 -10.95 0.0042
2014-08-14 2014-06-30 13F DIODES COM 254543101 516,062 -51,309 -9.04 14,945 0.84 0.0047
2014-05-14 2014-03-31 13F DIODES COM 254543101 567,371 -32,246 -5.38 14,820 4.91 0.0047
2014-02-21 2013-12-31 13F/A-1 DIODES COM 254543101 599,617 2,454 0.41 14,126 -3.45 0.0045
2014-02-12 2013-12-31 13F DIODES COM 254543101 599,617 14,126
2013-11-13 2013-09-30 13F DIODES COM 254543101 597,163 38,672 6.92 14,631 0.88 0.0052
2013-08-09 2013-06-30 13F DIODES COM 254543101 558,491 558,491 14,503 0.0053
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.