ON Semiconductor Corporation
US ˙ NasdaqGS ˙ US6821891057

SecurityON / ON Semiconductor Corporation
InstitutionWolverine Trading, Llc
Latest Disclosed Ownership62,871 shares
Latest Disclosed Value $ 3,128,461
Wolverine Trading, Llc ownership in ON / ON Semiconductor Corporation

On November 14, 2025 - Wolverine Trading, Llc filed a 13F-HR form disclosing ownership of 62,871 shares of ON Semiconductor Corporation (US:ON) valued at $3,100,169 USD as of September 30, 2025. The entity filed a previous 13F-HR on August 18, 2025 disclosing 57,282 shares of ON Semiconductor Corporation. This represents a change in shares of 9.76% during the quarter. The current value of the position is $8,420,313 USD.

Wolverine Trading, Llc has a history of taking positions in derivatives of the underlying security (ON) in the form of stock options. The firm currently holds call options representing 397,600 of underlying shares valued at $19,784,576 USD and put options representing 250,700 of underlying shares valued at $12,474,832 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

ON / ON Semiconductor Corporation Historical Put/Call Ratio
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)
2025-11-14 2025-09-30 13F ON SEMICONDUCTOR COM 682189105 62,871 5,589 9.76 3,128 3.20 0.0023
2025-08-18 2025-06-30 13F ON SEMICONDUCTOR COM 682189105 57,282 -28,898 -33.53 3,032 -14.09 0.0031
2025-05-15 2025-03-31 13F ON SEMICONDUCTOR COM 682189105 86,180 -39,106 -31.21 3,528 -55.62 0.0041
2025-02-14 2024-12-31 13F ON SEMICONDUCTOR COM 682189105 125,286 22,290 21.64 7,951 3.77 0.0075
2024-11-14 2024-09-30 13F ON SEMICONDUCTOR COM 682189105 102,996 -12,237 -10.62 7,662 -3.01 0.0081
2024-08-14 2024-06-30 13F ON SEMICONDUCTOR COM 682189105 115,233 39,354 51.86 7,899 41.56 0.0083
2024-05-15 2024-03-31 13F ON SEMICONDUCTOR COM 682189105 75,879 -119,999 -61.26 5,581 -65.89 0.0057
2024-02-14 2023-12-31 13F ON SEMICONDUCTOR COM 682189105 195,878 143,217 271.96 16,362 234.31 0.0171
2023-11-15 2023-09-30 13F ON SEMICONDUCTOR COM 682189105 52,661 10,755 25.66 4,895 26.85 0.0050
2023-08-23 2023-06-30 13F ON SEMICONDUCTOR COM 682189105 41,906 -35,812 -46.08 3,859 64,200.00 0.0047
2023-05-15 2023-03-31 13F ON SEMICONDUCTOR COM 682189105 77,718 32,501 71.88 6 -99.79 0.0099
2023-02-14 2022-12-31 13F ON SEMICONDUCTOR COM 682189105 45,217 9,952 28.22 2,820 27.03 0.0043
2022-11-14 2022-09-30 13F ON SEMICONDUCTOR COM 682189105 35,265 -48,251 -57.77 2,220 -48.00 0.0036
2022-08-15 2022-06-30 13F ON SEMICONDUCTOR COM 682189105 83,516 21,771 35.26 4,269 7.32 0.0071
2022-05-16 2022-03-31 13F ON SEMICONDUCTOR COM 682189105 61,745 -19,753 -24.24 3,978 -27.80 0.0051
2022-02-14 2021-12-31 13F ON SEMICONDUCTOR COM 682189105 81,498 23,468 40.44 5,510 107.14 0.0065
2021-11-12 2021-09-30 13F ON SEMICONDUCTOR COM 682189105 58,030 20,225 53.50 2,660 81.57 0.0030
2021-08-06 2021-06-30 13F ON SEMICONDUCTOR COM 682189105 37,805 37,805 1,465 0.0023
2021-02-12 2020-12-31 13F ON SEMICONDUCTOR COM 682189105 0 -57,277 -100.00 0 -100.00
2020-11-13 2020-09-30 13F ON SEMICONDUCTOR COM 682189105 57,277 -7,869 -12.08 1,247 -1.97 0.0030
2020-08-13 2020-06-30 13F ON SEMICONDUCTOR COM 682189105 65,146 2,398 3.82 1,272 56.27 0.0035
2020-05-11 2020-03-31 13F ON SEMICONDUCTOR COM 682189105 62,748 7,997 14.61 814 -38.80 0.0025
2020-02-12 2019-12-31 13F ON SEMICONDUCTOR COM 682189105 54,751 27,925 104.10 1,330 165.47 0.0032
2019-11-14 2019-09-30 13F ON SEMICONDUCTOR COM 682189105 26,826 26,826 -51.00 501 -62.33 0.0014
2018-11-14 2018-09-30 13F ON SEMICONDUCTOR COM 682189105 0 -14,254 -100.00 0 -100.00
2018-08-13 2018-06-30 13F ON SEMICONDUCTOR COM 682189105 14,254 0 0.00 349 0.00 0.0008
2018-05-15 2018-03-31 13F ON SEMICONDUCTOR COM 682189105 14,254 14,254 0.00 349 0.00 0.0008
2017-08-14 2017-06-30 13F ON SEMICONDUCTOR COM 682189105 0 -10,654 -100.00 0 -100.00
2017-05-15 2017-03-31 13F ON SEMICONDUCTOR COM 682189105 10,654 -41,076 -79.40 164 -73.80 0.0009
2016-11-14 2016-09-30 13F ON SEMICONDUCTOR COM 682189105 51,730 51,730 626 0.0029
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2025-11-14 2025-09-30 13F ON SEMICONDUCTOR COM Call 397,600 6.11 19,785 -0.24 n/a n/a n/a
2025-08-18 2025-06-30 13F ON SEMICONDUCTOR COM Call 374,700 9.37 19,833 41.39 n/a n/a n/a
2025-05-15 2025-03-31 13F ON SEMICONDUCTOR COM Call 342,600 18.75 14,026 -23.39 n/a n/a n/a
2025-02-14 2024-12-31 13F ON SEMICONDUCTOR COM Call 288,500 -7.41 18,308 -21.01 n/a n/a n/a
2024-11-14 2024-09-30 13F ON SEMICONDUCTOR COM Call 311,600 5.02 23,180 13.97 n/a n/a n/a
2024-08-14 2024-06-30 13F ON SEMICONDUCTOR COM Call 296,700 -16.21 20,339 -21.91 n/a n/a n/a
2024-05-15 2024-03-31 13F ON SEMICONDUCTOR COM Call 354,100 -10.58 26,044 -21.26 n/a n/a n/a
2024-02-14 2023-12-31 13F ON SEMICONDUCTOR COM Call 396,000 39.88 33,078 25.70 n/a n/a n/a
2023-11-15 2023-09-30 13F ON SEMICONDUCTOR COM Call 283,100 0.64 26,314 1.59 n/a n/a n/a
2023-08-23 2023-06-30 13F ON SEMICONDUCTOR COM Call 281,300 -12.59 25,902 99,523.08 n/a n/a n/a
2023-05-15 2023-03-31 13F ON SEMICONDUCTOR COM Call 321,800 -5.27 26 -99.88 n/a n/a n/a
2023-02-14 2022-12-31 13F ON SEMICONDUCTOR COM Call 339,700 -14.73 21,187 -15.51 n/a n/a n/a
2022-11-14 2022-09-30 13F ON SEMICONDUCTOR COM Call 398,400 34.41 25,075 65.49 n/a n/a n/a
2022-08-15 2022-06-30 13F ON SEMICONDUCTOR COM Call 296,400 10.39 15,152 -12.41 n/a n/a n/a
2022-05-16 2022-03-31 13F ON SEMICONDUCTOR COM Call 268,500 -19.99 17,299 -23.76 n/a n/a n/a
2022-02-14 2021-12-31 13F ON SEMICONDUCTOR COM Call 335,600 40.30 22,690 106.93 n/a n/a n/a
2021-11-12 2021-09-30 13F ON SEMICONDUCTOR COM Call 239,200 33.18 10,965 57.52 n/a n/a n/a
2021-08-06 2021-06-30 13F ON SEMICONDUCTOR COM Call 179,600 6,961 n/a n/a n/a
2021-02-12 2020-12-31 13F ON SEMICONDUCTOR COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2020-11-13 2020-09-30 13F ON SEMICONDUCTOR COM Call 179,800 1.81 3,916 13.61 n/a n/a n/a
2020-08-13 2020-06-30 13F ON SEMICONDUCTOR COM Call 176,600 20.79 3,447 81.80 n/a n/a n/a
2020-05-11 2020-03-31 13F ON SEMICONDUCTOR COM Call 146,200 7.34 1,896 -42.68 n/a n/a n/a
2020-02-12 2019-12-31 13F ON SEMICONDUCTOR COM Call 136,200 19.79 3,308 55.74 n/a n/a n/a
2019-11-14 2019-09-30 13F ON SEMICONDUCTOR COM Call 113,700 -7.18 2,124 -14.22 n/a n/a n/a
2019-08-20 2019-06-30 13F ON SEMICONDUCTOR COM Call 122,500 -6.49 2,476 -8.13 n/a n/a n/a
2019-05-15 2019-03-31 13F ON SEMICONDUCTOR COM Call 131,000 9.53 2,695 37.99 n/a n/a n/a
2019-02-13 2018-12-31 13F ON SEMICONDUCTOR COM Call 119,600 30.00 1,953 15.15 n/a n/a n/a
2018-11-14 2018-09-30 13F ON SEMICONDUCTOR COM Call 92,000 -46.39 1,696 -59.59 n/a n/a n/a
2018-08-13 2018-06-30 13F ON SEMICONDUCTOR COM Call 171,600 0.00 4,197 0.00 n/a n/a n/a
2018-05-15 2018-03-31 13F ON SEMICONDUCTOR COM Call 171,600 10.92 4,197 29.58 n/a n/a n/a
2018-02-14 2017-12-31 13F ON SEMICONDUCTOR COM Call 154,700 155.28 3,239 189.45 n/a n/a n/a
2017-11-15 2017-09-30 13F ON SEMICONDUCTOR COM Call 60,600 7.26 1,119 39.35 n/a n/a n/a
2017-08-14 2017-06-30 13F ON SEMICONDUCTOR COM Call 56,500 -16.54 803 -23.08 n/a n/a n/a
2017-05-15 2017-03-31 13F ON SEMICONDUCTOR COM Call 67,700 36.77 1,044 74.29 n/a n/a n/a
2016-11-14 2016-09-30 13F ON SEMICONDUCTOR COM Call 49,500 599 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2025-11-14 2025-09-30 13F ON SEMICONDUCTOR COM Put 250,700 29.76 12,475 21.98 n/a n/a n/a
2025-08-18 2025-06-30 13F ON SEMICONDUCTOR COM Put 193,200 -3.25 10,226 25.09 n/a n/a n/a
2025-05-15 2025-03-31 13F ON SEMICONDUCTOR COM Put 199,700 2.31 8,176 -34.00 n/a n/a n/a
2025-02-14 2024-12-31 13F ON SEMICONDUCTOR COM Put 195,200 -17.78 12,387 -29.86 n/a n/a n/a
2024-11-14 2024-09-30 13F ON SEMICONDUCTOR COM Put 237,400 20.94 17,660 31.24 n/a n/a n/a
2024-08-14 2024-06-30 13F ON SEMICONDUCTOR COM Put 196,300 -4.24 13,456 -10.75 n/a n/a n/a
2024-05-15 2024-03-31 13F ON SEMICONDUCTOR COM Put 205,000 -6.90 15,078 -18.03 n/a n/a n/a
2024-02-14 2023-12-31 13F ON SEMICONDUCTOR COM Put 220,200 53.45 18,393 37.90 n/a n/a n/a
2023-11-15 2023-09-30 13F ON SEMICONDUCTOR COM Put 143,500 24.24 13,338 25.42 n/a n/a n/a
2023-08-23 2023-06-30 13F ON SEMICONDUCTOR COM Put 115,500 -56.27 10,635 50,542.86 n/a n/a n/a
2023-05-15 2023-03-31 13F ON SEMICONDUCTOR COM Put 264,100 67.79 22 -99.79 n/a n/a n/a
2023-02-14 2022-12-31 13F ON SEMICONDUCTOR COM Put 157,400 0.64 9,817 -0.27 n/a n/a n/a
2022-11-14 2022-09-30 13F ON SEMICONDUCTOR COM Put 156,400 -1.70 9,844 21.04 n/a n/a n/a
2022-08-15 2022-06-30 13F ON SEMICONDUCTOR COM Put 159,100 26.17 8,133 0.10 n/a n/a n/a
2022-05-16 2022-03-31 13F ON SEMICONDUCTOR COM Put 126,100 -54.43 8,125 -56.57 n/a n/a n/a
2022-02-14 2021-12-31 13F ON SEMICONDUCTOR COM Put 276,700 30.40 18,708 92.33 n/a n/a n/a
2021-11-12 2021-09-30 13F ON SEMICONDUCTOR COM Put 212,200 83.41 9,727 116.88 n/a n/a n/a
2021-08-06 2021-06-30 13F ON SEMICONDUCTOR COM Put 115,700 4,485 n/a n/a n/a
2021-02-12 2020-12-31 13F ON SEMICONDUCTOR COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2020-11-13 2020-09-30 13F ON SEMICONDUCTOR COM Put 178,300 59.48 3,883 77.96 n/a n/a n/a
2020-08-13 2020-06-30 13F ON SEMICONDUCTOR COM Put 111,800 3.14 2,182 55.19 n/a n/a n/a
2020-05-11 2020-03-31 13F ON SEMICONDUCTOR COM Put 108,400 -29.20 1,406 -62.19 n/a n/a n/a
2020-02-12 2019-12-31 13F ON SEMICONDUCTOR COM Put 153,100 20.36 3,719 56.52 n/a n/a n/a
2019-11-14 2019-09-30 13F ON SEMICONDUCTOR COM Put 127,200 35.03 2,376 24.79 n/a n/a n/a
2019-08-20 2019-06-30 13F ON SEMICONDUCTOR COM Put 94,200 14.18 1,904 12.20 n/a n/a n/a
2019-05-15 2019-03-31 13F ON SEMICONDUCTOR COM Put 82,500 -5.50 1,697 19.00 n/a n/a n/a
2019-02-13 2018-12-31 13F ON SEMICONDUCTOR COM Put 87,300 43.59 1,426 27.21 n/a n/a n/a
2018-11-14 2018-09-30 13F ON SEMICONDUCTOR COM Put 60,800 -54.49 1,121 -65.70 n/a n/a n/a
2018-08-13 2018-06-30 13F ON SEMICONDUCTOR COM Put 133,600 0.00 3,268 0.00 n/a n/a n/a
2018-05-15 2018-03-31 13F ON SEMICONDUCTOR COM Put 133,600 168.27 3,268 213.33 n/a n/a n/a
2018-02-14 2017-12-31 13F ON SEMICONDUCTOR COM Put 49,800 101.62 1,043 128.73 n/a n/a n/a
2017-11-15 2017-09-30 13F ON SEMICONDUCTOR COM Put 24,700 -20.58 456 3.17 n/a n/a n/a
2017-08-14 2017-06-30 13F ON SEMICONDUCTOR COM Put 31,100 2.30 442 -5.76 n/a n/a n/a
2017-05-15 2017-03-31 13F ON SEMICONDUCTOR COM Put 30,400 35.71 469 73.06 n/a n/a n/a
2016-11-14 2016-09-30 13F ON SEMICONDUCTOR COM Put 22,400 271 n/a n/a n/a
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.