ON Semiconductor Corporation
CH ˙ SWX ˙ US6821891057
SecurityCH:ON / ON Semiconductor Corporation
InstitutionNorges Bank
Latest Disclosed Ownership6,110,525 shares
Latest Disclosed Value $ 330,884,929
Norges Bank ownership in ON / ON Semiconductor Corporation

On February 10, 2026 - Norges Bank filed a 13F-HR form disclosing ownership of 6,110,525 shares of ON Semiconductor Corporation (CH:ON) valued at $330,884,929 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 13, 2025 disclosing 0 shares of ON Semiconductor Corporation.

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)
2026-02-10 2025-12-31 13F ON SEMICONDUCTOR COM 682189105 6,110,525 6,110,525 330,885 0.0354
2025-11-13 2025-09-30 13F ON SEMICONDUCTOR COM 682189105 0 -4,366,244 -100.00 0 -100.00
2025-08-13 2025-06-30 13F ON SEMICONDUCTOR COM 682189105 4,366,244 389,085 9.78 228,835 41.40 0.0286
2026-05-11 2025-03-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,977,159 -2,023,031 -33.72 161,831 -57.22 0.0227
2025-02-12 2024-12-31 13F ON SEMICONDUCTOR COM 682189105 6,000,190 743,527 14.14 378,312 -0.88 0.0496
2025-11-12 2024-09-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 5,256,663 -194,977 -3.58 381,686 2.13 0.0533
2024-08-14 2024-06-30 13F ON SEMICONDUCTOR COM 682189105 5,451,640 -181,519 -3.22 373,710 -9.80 0.0558
2025-05-14 2024-03-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 5,633,159 627,751 12.54 414,319 -0.90 0.0654
2024-02-09 2023-12-31 13F ON SEMICONDUCTOR COM 682189105 5,005,408 242,947 5.10 418,102 -5.55 0.0731
2024-11-13 2023-09-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,762,461 302,233 6.78 442,671 4.94 0.0898
2024-08-14 2023-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,460,228 -39,745 -0.88 421,848 13.88 0.0833
2024-05-15 2023-03-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,499,973 -439,323 -8.89 370,438 20.25 0.0811
2023-02-14 2022-12-31 13F ON SEMICONDUCTOR COM 682189105 4,939,296 475,236 10.65 308,064 10.72 0.0743
2023-11-13 2022-09-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,464,060 -195,785 -4.20 278,245 18.69 0.0740
2023-08-14 2022-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,659,845 -917,531 -16.45 234,437 -32.86 0.0606
2023-05-12 2022-03-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 5,577,376 75,284 1.37 349,200 -6.56 0.0761
2022-03-09 2021-12-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 5,502,092 99,167 1.84 373,702 51.12 0.0768
2022-11-14 2021-09-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 5,402,925 186,889 3.58 247,292 23.85 0.0547
2022-08-15 2021-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 5,216,036 177,285 3.52 199,670 -4.77 0.0433
2022-05-09 2021-03-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 5,038,751 2,436,104 93.60 209,662 146.13 0.0480
2021-03-02 2020-12-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 2,602,647 -1,197,427 -31.51 85,185 3.35 0.0199
2021-11-12 2020-09-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,800,074 -558,461 -12.81 82,424 -4.59 0.0219
2021-08-13 2020-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,358,535 0 0.00 86,386 59.32 0.0249
2021-05-07 2020-03-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,358,535 20,686 0.48 54,220 -48.73 0.0193
2020-03-03 2019-12-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,337,849 0 0.00 105,757 26.91 0.0295
2020-11-13 2019-09-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,337,849 -270,000 -5.86 83,330 -10.52 0.0255
2020-08-13 2019-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,607,849 0 0.00 93,125 -1.75 0.0288
2020-05-11 2019-03-31 13F/A-2 ON SEMICONDUCTOR COM 682189105 4,607,849 0 0.00 94,784 24.59 0.0306
2019-03-04 2018-12-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,607,849 0 0.00 76,075 -10.42 0.0283
2019-12-02 2018-09-30 13F/A-3 ON SEMICONDUCTOR COM 682189105 4,607,849 0 0.00 84,923 -17.11 0.0276
2019-12-02 2018-09-30 13F/A-2 ON SEMICONDUCTOR COM 682189105 4,607,849 0 84,923 0.0276
2019-11-12 2018-09-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,607,849 0 84,923 0.0276
2019-08-12 2018-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,607,849 561,401 13.87 102,455 3.51 0.0352
2019-05-15 2018-03-31 13F/A-2 ON SEMICONDUCTOR COM 682189105 4,046,448 0 0.00 98,976 16.81 0.0358
2018-03-05 2017-12-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,046,448 0 0.00 84,733 13.37 0.0304
2018-11-13 2017-09-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,046,448 0 0.00 74,738 31.55 0.0284
2018-07-24 2017-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,046,448 -384,581 -8.68 56,812 -17.23 0.0226
2018-05-11 2017-03-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,431,029 526,509 13.48 68,637 37.76 0.0282
2017-03-02 2016-12-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,904,520 20,748 0.53 49,822 9.02 0.0218
2017-11-13 2016-09-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,883,772 -397,322 -9.28 45,700 21.03 0.0216
2017-08-09 2016-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,281,094 110,011 2.64 37,759 -5.60 0.0179
2017-05-10 2016-03-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,171,083 157,704 3.93 40,001 1.70 0.0197
2016-04-18 2015-12-31 13F/A-2 ON SEMICONDUCTOR COM 682189105 4,013,379 543,438 15.66 39,331 20.58 0.0196
2016-03-16 2015-12-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,013,379 0 39,331 0.0197
2016-11-14 2015-09-30 13F/A-2 ON SEMICONDUCTOR COM 682189105 3,469,941 0 0.00 32,618 -19.59 0.0171
2016-08-12 2015-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,469,941 -86,806 -2.44 40,564 -5.82 0.0203
2016-05-13 2015-03-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,556,747 -323,781 -8.34 43,072 9.57 0.0211
2015-03-19 2014-12-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,880,528 226,757 39,310 0.0200
2016-04-18 2014-12-31 13F/A-2 ON SEMICONDUCTOR COM 682189105 3,880,528 226,757 6.21 39,310 20.35 0.0200
2015-11-12 2014-09-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,653,771 0 0.00 32,664 -2.19 0.0177
2015-08-10 2014-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,653,771 0 0.00 33,396 -2.77 0.0180
2015-05-12 2014-03-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,653,771 0 0.00 34,346 14.08 0.0194
2014-03-07 2013-12-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,653,771 -140,449 30,107 0.0184
2014-03-20 2013-12-31 13F/A-2 ON SEMICONDUCTOR COM 682189105 3,653,771 0 30,107 0.0177
2014-05-12 2013-12-31 13F/A-3 ON SEMICONDUCTOR COM 682189105 3,653,771 -140,449 -3.70 30,107 8.70 0.0173
2014-11-14 2013-09-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,794,220 0 0.00 27,697 -9.66 0.0162
2014-08-14 2013-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,794,220 0 0.00 30,657 -2.42 0.0190
2014-04-04 2013-03-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,794,220 115,207 31,416 0.0208
2014-05-12 2013-03-31 13F/A-2 ON SEMICONDUCTOR COM 682189105 3,794,220 115,207 3.13 31,416 38.40 0.0204
2013-11-14 2012-09-30 13F/A-1 ON SEMICONDUCTOR CORPORA COM 682189105 3,679,013 51,048 1.41 22,699 -9.85 0.0153
2013-08-15 2012-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,627,965 3,627,965 25,178 0.0202
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.