ON Semiconductor Corporation
US ˙ NasdaqGS ˙ US6821891057

SecurityON / ON Semiconductor Corporation
InstitutionCWM Advisors, LLC
Latest Disclosed Ownership18,496 shares
Latest Disclosed Value $ 1,145,272
CWM Advisors, LLC reports 58.77% decrease in ownership of ON / ON Semiconductor Corporation

On May 13, 2026 - CWM Advisors, LLC filed a 13F-HR/A form disclosing ownership of 18,496 shares of ON Semiconductor Corporation (US:ON) valued at $1,145,272 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 44,860 shares of ON Semiconductor Corporation. This represents a change in shares of -58.77% during the quarter. The current value of the position is $2,477,169 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)
2026-05-13 2026-03-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 18,496 -26,364 -58.77 1,145 -52.86 0.2298
2026-04-23 2026-03-31 13F ON SEMICONDUCTOR COM 682189105 42,006 -2,854 2,601 0.2141
2026-02-17 2025-12-31 13F ON SEMICONDUCTOR COM 682189105 44,860 632 1.43 2,429 11.42 0.2186
2025-10-15 2025-09-30 13F ON SEMICONDUCTOR COM 682189105 44,228 -1,762 -3.83 2,181 -9.54 0.2123
2025-07-24 2025-06-30 13F ON SEMICONDUCTOR COM 682189105 45,990 -2,865 -5.86 2,410 21.29 0.2626
2025-06-03 2025-03-31 13F ON SEMICONDUCTOR COM 682189105 48,855 -8,111 -14.24 1,988 -44.67 0.2363
2025-01-17 2024-12-31 13F ON SEMICONDUCTOR COM 682189105 56,966 1,639 2.96 3,592 -10.60 0.4019
2024-10-10 2024-09-30 13F ON SEMICONDUCTOR COM 682189105 55,327 8,147 17.27 4,017 24.21 0.4110
2024-08-12 2024-06-30 13F ON SEMICONDUCTOR COM 682189105 47,180 -9,349 -16.54 3,234 -22.20 0.3728
2024-05-07 2024-03-31 13F ON SEMICONDUCTOR COM 682189105 56,529 10,352 22.42 4,158 7.78 0.4254
2024-02-12 2023-12-31 13F ON SEMICONDUCTOR COM 682189105 46,177 -3,841 -7.68 3,857 -17.04 0.4242
2023-10-26 2023-09-30 13F ON SEMICONDUCTOR COM 682189105 50,018 -5,167 -9.36 4,649 -10.92 0.5936
2023-07-31 2023-06-30 13F ON SEMICONDUCTOR COM 682189105 55,185 -2,095 -3.66 5,219 10.69 0.6314
2023-04-24 2023-03-31 13F ON SEMICONDUCTOR COM 682189105 57,280 -2,085 -3.51 4,715 27.36 0.6001
2023-01-26 2022-12-31 13F ON SEMICONDUCTOR COM 682189105 59,365 10,260 20.89 3,703 20.94 0.4765
2022-11-07 2022-09-30 13F ON SEMICONDUCTOR COM 682189105 49,105 -6,810 -12.18 3,061 8.82 0.4325
2022-08-10 2022-06-30 13F ON SEMICONDUCTOR COM 682189105 55,915 3,419 6.51 2,813 -14.42 0.3732
2022-04-21 2022-03-31 13F ON SEMICONDUCTOR COM 682189105 52,496 -7,179 -12.03 3,287 -18.90 0.3804
2022-02-14 2021-12-31 13F/A-1 ON SEMICONDUCTOR COM 682189105 59,675 5,242 9.63 4,053 62.71 0.4647
2021-11-09 2021-09-30 13F ON SEMICONDUCTOR COM 682189105 54,433 54,433 2,491 0.3149
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.