ON Semiconductor Corporation
CH ˙ SWX ˙ US6821891057
SecurityCH:ON / ON Semiconductor Corporation
InstitutionMacquarie Group Ltd
Latest Disclosed Ownership34,051 shares
Latest Disclosed Value $ 2,108,438
Macquarie Group Ltd reports 25.55% decrease in ownership of ON / ON Semiconductor Corporation

On May 15, 2026 - Macquarie Group Ltd filed a 13F-HR form disclosing ownership of 34,051 shares of ON Semiconductor Corporation (CH:ON) valued at $2,108,438 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 45,736 shares of ON Semiconductor Corporation. This represents a change in shares of -25.55% during the quarter.

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)
2026-05-15 2026-03-31 13F ON SEMICONDUCTOR COM 682189105 34,051 -11,685 -25.55 2,108 -14.86 0.0098
2026-02-13 2025-12-31 13F ON SEMICONDUCTOR COM 682189105 45,736 -337,422 -88.06 2,477 -86.89 0.0108
2025-11-13 2025-09-30 13F ON SEMICONDUCTOR COM 682189105 383,158 -9,281 -2.36 18,893 -8.14 0.0221
2025-08-14 2025-06-30 13F ON SEMICONDUCTOR COM 682189105 392,439 -17,869 -4.36 20,568 23.19 0.0252
2025-08-14 2025-03-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 410,308 1,666 0.41 16,695 -32.65 0.0207
2025-05-15 2025-03-31 13F ON SEMICONDUCTOR COM 682189105 434,315 25,673 15,721 0.0128
2025-02-14 2024-12-31 13F ON SEMICONDUCTOR COM 682189105 408,642 36,094 9.69 24,790 -8.35 0.0301
2024-11-14 2024-09-30 13F ON SEMICONDUCTOR COM 682189105 372,548 -3,533 -0.94 27,050 4.93 0.0292
2024-08-09 2024-06-30 13F ON SEMICONDUCTOR COM 682189105 376,081 -703,906 -65.18 25,780 -67.54 0.0296
2024-05-14 2024-03-31 13F ON SEMICONDUCTOR COM 682189105 1,079,987 -607,656 -36.01 79,433 -43.65 0.0901
2024-02-14 2023-12-31 13F ON SEMICONDUCTOR COM 682189105 1,687,643 -474,196 -21.93 140,969 -29.85 0.1628
2023-11-14 2023-09-30 13F ON SEMICONDUCTOR COM 682189105 2,161,839 1,864 0.09 200,943 -1.64 0.2524
2023-10-27 2023-06-30 13F/A-2 ON SEMICONDUCTOR COM 682189105 2,159,975 -150,184 -6.50 204,290 7.42 0.2336
2023-10-12 2023-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 2,159,975 -150,184 204,290 0.2053
2023-08-14 2023-06-30 13F ON SEMICONDUCTOR COM 682189105 2,159,975 -150,184 204,290 0.2072
2023-06-01 2023-03-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 2,310,159 -1,872,189 -44.76 190,172 -27.10 0.2259
2023-05-15 2023-03-31 13F ON SEMICONDUCTOR COM 682189105 2,310,159 -1,872,189 190,172 0.1746
2023-02-21 2022-12-31 13F ON SEMICONDUCTOR COM 682189105 4,182,348 -220,956 -5.02 260,853 -4.96 0.3080
2022-11-14 2022-09-30 13F ON SEMICONDUCTOR COM 682189105 4,403,304 -232,109 -5.01 274,457 17.69 0.3366
2022-08-17 2022-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 4,635,413 -1,394,677 -23.13 233,207 -38.23 0.2618
2022-08-15 2022-06-30 13F ON SEMICONDUCTOR COM 682189105 4,635,413 -1,394,677 233,207 0.0835
2022-05-16 2022-03-31 13F ON SEMICONDUCTOR COM 682189105 6,030,090 -3,149,384 -34.31 377,543 -39.44 0.2871
2022-02-11 2021-12-31 13F ON Semiconductor COM 682189105 9,179,474 1,653,432 21.97 623,470 81.00 0.5195
2021-11-12 2021-09-30 13F ON SEMICONDUCTOR COM 682189105 7,526,042 950,952 14.46 344,467 36.86 0.2936
2021-08-13 2021-06-30 13F ON SEMICONDUCTOR COM 682189105 6,575,090 2,936,397 80.70 251,695 66.24 0.2067
2021-05-14 2021-03-31 13F ON SEMICONDUCTOR COM 682189105 3,638,693 -161,095 -4.24 151,406 21.74 0.2141
2021-02-16 2020-12-31 13F ON SEMICONDUCTOR COM 682189105 3,799,788 -609,494 -13.82 124,367 30.04 0.1816
2020-11-13 2020-09-30 13F ON SEMICONDUCTOR COM 682189105 4,409,282 -84,733 -1.89 95,637 7.37 0.1619
2020-08-11 2020-06-30 13F ON SEMICONDUCTOR COM 682189105 4,494,015 -615,765 -12.05 89,072 40.13 0.1534
2020-05-15 2020-03-31 13F ON SEMICONDUCTOR COM 682189105 5,109,780 45,430 0.90 63,566 -48.52 0.1306
2020-03-18 2019-12-31 13F/A-2 ON SEMICONDUCTOR COM 682189105 5,064,350 823,597 19.42 123,469 51.56 0.1763
2020-02-28 2019-12-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 5,064,350 0 123,469 0.1784
2020-02-14 2019-12-31 13F ON SEMICONDUCTOR COM 682189105 5,064,350 823,597 123,469 154,943.1313
2019-11-14 2019-09-30 13F ON SEMICONDUCTOR COM 682189105 4,240,753 396,940 10.33 81,465 4.87 0.1365
2019-11-06 2019-06-30 13F/A-2 ON SEMICONDUCTOR COM 682189105 3,843,813 337,506 9.63 77,683 7.71 0.1310
2019-09-24 2019-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,843,813 0 77,683 0.1321
2019-08-14 2019-06-30 13F ON SEMICONDUCTOR COM 682189105 3,843,813 337,506 77,683
2019-05-15 2019-03-31 13F ON SEMICONDUCTOR COM 682189105 3,506,307 -166,042 -4.52 72,124 18.96 0.1230
2019-02-15 2018-12-31 13F ON SEMICONDUCTOR COM 682189105 3,672,349 -77,715 -2.07 60,630 -12.28 0.1172
2018-11-15 2018-09-30 13F ON SEMICONDUCTOR COM 682189105 3,750,064 -42,000 -1.11 69,114 -18.03 0.1126
2019-03-21 2018-06-30 13F/A-1 ON SEMICONDUCTOR COM 682189105 3,792,064 -26,310 -0.69 84,317 -14.52 0.1454
2018-08-14 2018-06-30 13F ON SEMICONDUCTOR COM 682189105 3,792,064 -26,310 84,317
2018-05-11 2018-03-31 13F ON SEMICONDUCTOR COM 682189105 3,818,374 -657,731 -14.69 98,640 5.24 0.1798
2018-02-14 2017-12-31 13F ON SEMICONDUCTOR COM 682189105 4,476,105 -624,077 -12.24 93,729 -0.50 0.1657
2017-11-08 2017-09-30 13F ON SEMICONDUCTOR COM 682189105 5,100,182 -92,842 -1.79 94,200 29.20 0.1690
2017-08-14 2017-06-30 13F ON SEMICONDUCTOR COM 682189105 5,193,024 487,284 10.36 72,910 0.02 0.1333
2017-05-15 2017-03-31 13F ON Semiconductor COM 682189105 4,705,740 -47,135 -0.99 72,892 20.19 0.1324
2017-03-30 2016-12-31 13F/A-1 ON Semiconductor COMMON 682189105 4,752,875 -412,312 -7.98 60,647 -4.70 0.1161
2017-02-15 2016-12-31 13F ON Semiconductor COMMON 682189105 4,752,875 60,647
2016-11-15 2016-09-30 13F ON SEMICONDUCTOR COMMON 682189105 5,165,187 -33,517 -0.64 63,635 38.78 0.1224
2016-09-14 2016-06-30 13F/A-1 ON SEMICONDUCTOR COMMON 682189105 5,198,704 164,552 3.27 45,853 -5.02 0.0900
2016-08-15 2016-06-30 13F ON SEMICONDUCTOR COMMON 682189105 5,198,704 45,853
2016-05-16 2016-03-31 13F ON SEMICONDUCTOR COMMON 682189105 5,034,152 -674,699 -11.82 48,278 -13.71 0.0973
2016-02-16 2015-12-31 13F ON SEMICONDUCTOR COMMON 682189105 5,708,851 -116,273 -2.00 55,947 2.18 0.1149
2015-11-16 2015-09-30 13F ON SEMICONDUCTOR COMMON 682189105 5,825,124 83,394 1.45 54,756 -18.42 0.1174
2015-08-21 2015-06-30 13F/A-1 ON SEMICONDUCTOR COMMON 682189105 5,741,730 -433,025 -7.01 67,121 -10.24 0.1329
2015-08-14 2015-06-30 13F ON SEMICONDUCTOR COMMON 682189105 5,741,730 67,121
2015-05-18 2015-03-31 13F ON SEMICONDUCTOR COMMON 682189105 6,174,755 132,331 2.19 74,776 22.16 0.1467
2015-02-17 2014-12-31 13F ON SEMICONDUCTOR COMMON 682189105 6,042,424 689,726 12.89 61,210 27.91 0.1263
2014-11-14 2014-09-30 13F ON SEMICONDUCTOR COMMON 682189105 5,352,698 -57,449 -1.06 47,853 -3.23 0.1027
2014-08-14 2014-06-30 13F ON SEMICONDUCTOR COMMON 682189105 5,410,147 268,027 5.21 49,449 2.30 0.1103
2014-05-15 2014-03-31 13F ON SEMICONDUCTOR Common 682189105 5,142,120 123,024 2.45 48,336 16.88 0.0835
2014-02-14 2013-12-31 13F ON SEMICONDUCTOR Common Stock 682189105 5,019,096 459,993 10.09 41,357 24.27 0.0742
2013-11-14 2013-09-30 13F ON SEMICONDUCTOR Common Stock 682189105 4,559,103 246,626 5.72 33,281 -4.49 0.0651
2013-08-16 2013-06-30 13F/A-1 ON SEMICONDUCTOR COMMON 682189105 4,312,477 4,312,477 34,845 0.0760
2013-08-14 2013-06-30 13F ON SEMICONDUCTOR COMMON 682189105 4,312,477 34,845 0.0760
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.