Micron Technology, Inc.
US ˙ NasdaqGS ˙ US5951121038

SecurityMU / Micron Technology, Inc.
InstitutionWolverine Trading, Llc
Latest Disclosed Ownership206,048 shares
Latest Disclosed Value $ 33,771,267
Wolverine Trading, Llc ownership in MU / Micron Technology, Inc.

On November 14, 2025 - Wolverine Trading, Llc filed a 13F-HR form disclosing ownership of 206,048 shares of Micron Technology, Inc. (US:MU) valued at $34,475,951 USD as of September 30, 2025. The entity filed a previous 13F-HR on August 18, 2025 disclosing 39,399 shares of Micron Technology, Inc.. This represents a change in shares of 422.98% during the quarter. The current value of the position is $222,443,239 USD.

Wolverine Trading, Llc has a history of taking positions in derivatives of the underlying security (MU) in the form of stock options. The firm currently holds call options representing 2,025,200 of underlying shares valued at $331,930,280 USD and put options representing 1,785,700 of underlying shares valued at $292,676,230 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.

MU / Micron Technology, Inc. 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 MICRON TECHNOLOGY COM 595112103 206,048 166,649 422.98 33,771 587.10 0.0243
2025-08-18 2025-06-30 13F MICRON TECHNOLOGY COM 595112103 39,399 -101,225 -71.98 4,915 -60.48 0.0049
2025-05-15 2025-03-31 13F MICRON TECHNOLOGY COM 595112103 140,624 -45,176 -24.31 12,437 -21.54 0.0146
2025-02-14 2024-12-31 13F MICRON TECHNOLOGY COM 595112103 185,800 136,622 277.81 15,851 199.85 0.0149
2024-11-14 2024-09-30 13F MICRON TECHNOLOGY COM 595112103 49,178 -54,844 -52.72 5,287 -61.37 0.0056
2024-08-14 2024-06-30 13F MICRON TECHNOLOGY COM 595112103 104,022 -117,491 -53.04 13,682 -47.61 0.0144
2024-05-15 2024-03-31 13F MICRON TECHNOLOGY COM 595112103 221,513 87,907 65.80 26,114 129.05 0.0265
2024-02-14 2023-12-31 13F MICRON TECHNOLOGY COM 595112103 133,606 107,966 421.08 11,402 553.73 0.0119
2023-11-15 2023-09-30 13F MICRON TECHNOLOGY COM 595112103 25,640 25,640 1,744 0.0018
2023-02-14 2022-12-31 13F MICRON TECHNOLOGY COM 595112103 0 -10,866 -100.00 0 -100.00
2022-11-14 2022-09-30 13F MICRON TECHNOLOGY COM 595112103 10,866 -27,288 -71.52 543 -74.59 0.0009
2022-08-15 2022-06-30 13F MICRON TECHNOLOGY COM 595112103 38,154 -76,567 -66.74 2,137 -76.47 0.0035
2022-05-16 2022-03-31 13F MICRON TECHNOLOGY COM 595112103 114,721 -471,428 -80.43 9,081 -83.50 0.0117
2022-02-14 2021-12-31 13F MICRON TECHNOLOGY COM 595112103 586,149 326,983 126.17 55,034 196.41 0.0651
2021-11-12 2021-09-30 13F MICRON TECHNOLOGY COM 595112103 259,166 -33,638 -11.49 18,567 -23.54 0.0210
2021-08-06 2021-06-30 13F MICRON TECHNOLOGY COM 595112103 292,804 130,191 80.06 24,282 72.54 0.0377
2021-05-14 2021-03-31 13F MICRON TECHNOLOGY COM 595112103 162,613 61,991 61.61 14,073 94.46 0.0212
2021-02-12 2020-12-31 13F MICRON TECHNOLOGY COM 595112103 100,622 -124,483 -55.30 7,237 -36.60 0.0113
2020-11-13 2020-09-30 13F MICRON TECHNOLOGY COM 595112103 225,105 -11,489 -4.86 11,415 -1.82 0.0277
2020-08-13 2020-06-30 13F MICRON TECHNOLOGY COM 595112103 236,594 190,650 414.96 11,627 468.56 0.0317
2020-05-11 2020-03-31 13F MICRON TECHNOLOGY COM 595112103 45,944 -175,783 -79.28 2,045 -82.67 0.0062
2020-02-12 2019-12-31 13F MICRON TECHNOLOGY COM 595112103 221,727 -66,203 -22.99 11,798 -5.17 0.0288
2019-11-14 2019-09-30 13F MICRON TECHNOLOGY COM 595112103 287,930 49,054 20.54 12,441 34.96 0.0358
2019-08-20 2019-06-30 13F MICRON TECHNOLOGY COM 595112103 238,876 164,260 220.14 9,218 198.90 0.0262
2019-05-15 2019-03-31 13F MICRON TECHNOLOGY COM 595112103 74,616 -1,034,427 -93.27 3,084 -91.19 0.0090
2019-02-13 2018-12-31 13F MICRON TECHNOLOGY COM 595112103 1,109,043 808,027 268.43 35,012 157.16 0.0991
2018-11-14 2018-09-30 13F MICRON TECHNOLOGY COM 595112103 301,016 -40,306 -11.81 13,615 -23.50 0.0298
2018-08-13 2018-06-30 13F MICRON TECHNOLOGY COM 595112103 341,322 0 0.00 17,797 0.00 0.0424
2018-05-15 2018-03-31 13F MICRON TECHNOLOGY COM 595112103 341,322 -278,423 -44.93 17,797 -30.16 0.0424
2018-02-14 2017-12-31 13F MICRON TECHNOLOGY COM 595112103 619,745 276,660 80.64 25,484 88.85 0.0922
2017-11-15 2017-09-30 13F MICRON TECHNOLOGY COM 595112103 343,085 -442,427 -56.32 13,494 -45.41 0.0515
2017-08-14 2017-06-30 13F MICRON TECHNOLOGY COM 595112103 785,512 554,585 240.16 24,720 269.51 0.1136
2017-05-15 2017-03-31 13F MICRON TECHNOLOGY COM 595112103 230,927 -72,307 -23.85 6,690 25.78 0.0368
2016-11-14 2016-09-30 13F MICRON TECHNOLOGY COM 595112103 303,234 44,996 17.42 5,319 56.17 0.0248
2016-08-17 2016-06-30 13F/A-1 MICRON TECHNOLOGY COM 595112103 258,238 258,238 3,406 0.0192
2016-08-15 2016-06-30 13F MICRON TECHNOLOGY COM 595112103 258,238 3,406
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 MICRON TECHNOLOGY COM Call 2,025,200 -3.32 331,930 27.01 n/a n/a n/a
2025-08-18 2025-06-30 13F MICRON TECHNOLOGY COM Call 2,094,800 36.31 261,347 92.29 n/a n/a n/a
2025-05-15 2025-03-31 13F MICRON TECHNOLOGY COM Call 1,536,800 17.74 135,915 22.06 n/a n/a n/a
2025-02-14 2024-12-31 13F MICRON TECHNOLOGY COM Call 1,305,200 -15.50 111,347 -32.95 n/a n/a n/a
2024-11-14 2024-09-30 13F MICRON TECHNOLOGY COM Call 1,544,700 -10.86 166,055 -27.15 n/a n/a n/a
2024-08-14 2024-06-30 13F MICRON TECHNOLOGY COM Call 1,732,900 6.28 227,928 18.58 n/a n/a n/a
2024-05-15 2024-03-31 13F MICRON TECHNOLOGY COM Call 1,630,500 75.53 192,220 142.48 n/a n/a n/a
2024-02-14 2023-12-31 13F MICRON TECHNOLOGY COM Call 928,900 37.70 79,272 72.73 n/a n/a n/a
2023-11-15 2023-09-30 13F MICRON TECHNOLOGY COM Call 674,600 -36.95 45,893 -33.32 n/a n/a n/a
2023-08-23 2023-06-30 13F MICRON TECHNOLOGY COM Call 1,069,900 5.92 68,827 109,147.62 n/a n/a n/a
2023-05-15 2023-03-31 13F MICRON TECHNOLOGY COM Call 1,010,100 5.66 64 -99.87 n/a n/a n/a
2023-02-14 2022-12-31 13F MICRON TECHNOLOGY COM Call 956,000 3.00 47,781 2.93 n/a n/a n/a
2022-11-14 2022-09-30 13F MICRON TECHNOLOGY COM Call 928,200 16.48 46,419 3.98 n/a n/a n/a
2022-08-15 2022-06-30 13F MICRON TECHNOLOGY COM Call 796,900 -15.50 44,642 -40.20 n/a n/a n/a
2022-05-16 2022-03-31 13F MICRON TECHNOLOGY COM Call 943,100 3.43 74,656 -12.79 n/a n/a n/a
2022-02-14 2021-12-31 13F MICRON TECHNOLOGY COM Call 911,800 -15.79 85,609 10.36 n/a n/a n/a
2021-11-12 2021-09-30 13F MICRON TECHNOLOGY COM Call 1,082,800 6.83 77,572 -7.72 n/a n/a n/a
2021-08-06 2021-06-30 13F MICRON TECHNOLOGY COM Call 1,013,600 -9.51 84,058 -13.28 n/a n/a n/a
2021-05-14 2021-03-31 13F MICRON TECHNOLOGY COM Call 1,120,100 -6.02 96,933 13.08 n/a n/a n/a
2021-02-12 2020-12-31 13F MICRON TECHNOLOGY COM Call 1,191,900 56.71 85,721 122.25 n/a n/a n/a
2020-11-13 2020-09-30 13F MICRON TECHNOLOGY COM Call 760,600 13.12 38,570 16.72 n/a n/a n/a
2020-08-13 2020-06-30 13F MICRON TECHNOLOGY COM Call 672,400 -37.16 33,045 -30.64 n/a n/a n/a
2020-05-11 2020-03-31 13F MICRON TECHNOLOGY COM Call 1,070,100 35.05 47,641 12.99 n/a n/a n/a
2020-02-12 2019-12-31 13F MICRON TECHNOLOGY COM Call 792,400 24.34 42,164 53.11 n/a n/a n/a
2019-11-14 2019-09-30 13F MICRON TECHNOLOGY COM Call 637,300 -23.11 27,538 -13.91 n/a n/a n/a
2019-08-20 2019-06-30 13F MICRON TECHNOLOGY COM Call 828,900 -12.67 31,987 -18.46 n/a n/a n/a
2019-05-15 2019-03-31 13F MICRON TECHNOLOGY COM Call 949,200 -15.07 39,230 11.19 n/a n/a n/a
2019-02-13 2018-12-31 13F MICRON TECHNOLOGY COM Call 1,117,600 7.48 35,283 -24.98 n/a n/a n/a
2018-11-14 2018-09-30 13F MICRON TECHNOLOGY COM Call 1,039,800 -37.26 47,030 -45.57 n/a n/a n/a
2018-08-13 2018-06-30 13F MICRON TECHNOLOGY COM Call 1,657,200 0.00 86,406 0.00 n/a n/a n/a
2018-05-15 2018-03-31 13F MICRON TECHNOLOGY COM Call 1,657,200 109.59 86,406 165.75 n/a n/a n/a
2018-02-14 2017-12-31 13F MICRON TECHNOLOGY COM Call 790,700 24.97 32,514 30.66 n/a n/a n/a
2017-11-15 2017-09-30 13F MICRON TECHNOLOGY COM Call 632,700 -12.94 24,884 8.81 n/a n/a n/a
2017-08-14 2017-06-30 13F MICRON TECHNOLOGY COM Call 726,700 -2.29 22,869 6.15 n/a n/a n/a
2017-05-15 2017-03-31 13F MICRON TECHNOLOGY COM Call 743,700 -20.81 21,545 30.80 n/a n/a n/a
2016-11-14 2016-09-30 13F MICRON TECHNOLOGY COM Call 939,100 19.58 16,472 59.03 n/a n/a n/a
2016-08-17 2016-06-30 13F/A MICRON TECHNOLOGY COM Call 785,300 10,358 n/a n/a n/a
2016-08-15 2016-06-30 13F MICRON TECHNOLOGY COM Call 7,853 10,358 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 MICRON TECHNOLOGY COM Put 1,785,700 16.62 292,676 53.21 n/a n/a n/a
2025-08-18 2025-06-30 13F MICRON TECHNOLOGY COM Put 1,531,200 39.66 191,033 97.01 n/a n/a n/a
2025-05-15 2025-03-31 13F MICRON TECHNOLOGY COM Put 1,096,400 0.74 96,966 4.43 n/a n/a n/a
2025-02-14 2024-12-31 13F MICRON TECHNOLOGY COM Put 1,088,400 -5.28 92,851 -24.83 n/a n/a n/a
2024-11-14 2024-09-30 13F MICRON TECHNOLOGY COM Put 1,149,100 12.87 123,528 -7.75 n/a n/a n/a
2024-08-14 2024-06-30 13F MICRON TECHNOLOGY COM Put 1,018,100 0.89 133,911 12.57 n/a n/a n/a
2024-05-15 2024-03-31 13F MICRON TECHNOLOGY COM Put 1,009,100 12.86 118,963 55.91 n/a n/a n/a
2024-02-14 2023-12-31 13F MICRON TECHNOLOGY COM Put 894,100 35.08 76,302 69.45 n/a n/a n/a
2023-11-15 2023-09-30 13F MICRON TECHNOLOGY COM Put 661,900 -28.48 45,029 -24.37 n/a n/a n/a
2023-08-23 2023-06-30 13F MICRON TECHNOLOGY COM Put 925,500 35.09 59,537 138,358.14 n/a n/a n/a
2023-05-15 2023-03-31 13F MICRON TECHNOLOGY COM Put 685,100 58.66 43 -99.80 n/a n/a n/a
2023-02-14 2022-12-31 13F MICRON TECHNOLOGY COM Put 431,800 -44.36 21,581 -44.40 n/a n/a n/a
2022-11-14 2022-09-30 13F MICRON TECHNOLOGY COM Put 776,100 -10.14 38,813 -19.78 n/a n/a n/a
2022-08-15 2022-06-30 13F MICRON TECHNOLOGY COM Put 863,700 -18.33 48,384 -42.20 n/a n/a n/a
2022-05-16 2022-03-31 13F MICRON TECHNOLOGY COM Put 1,057,500 -39.57 83,712 -49.05 n/a n/a n/a
2022-02-14 2021-12-31 13F MICRON TECHNOLOGY COM Put 1,750,000 41.31 164,308 85.20 n/a n/a n/a
2021-11-12 2021-09-30 13F MICRON TECHNOLOGY COM Put 1,238,400 11.02 88,719 -4.10 n/a n/a n/a
2021-08-06 2021-06-30 13F MICRON TECHNOLOGY COM Put 1,115,500 7.12 92,508 2.65 n/a n/a n/a
2021-05-14 2021-03-31 13F MICRON TECHNOLOGY COM Put 1,041,400 -0.70 90,123 19.49 n/a n/a n/a
2021-02-12 2020-12-31 13F MICRON TECHNOLOGY COM Put 1,048,700 11.50 75,423 58.14 n/a n/a n/a
2020-11-13 2020-09-30 13F MICRON TECHNOLOGY COM Put 940,500 3.10 47,693 6.39 n/a n/a n/a
2020-08-13 2020-06-30 13F MICRON TECHNOLOGY COM Put 912,200 -29.78 44,830 -22.48 n/a n/a n/a
2020-05-11 2020-03-31 13F MICRON TECHNOLOGY COM Put 1,299,000 10.55 57,831 -7.50 n/a n/a n/a
2020-02-12 2019-12-31 13F MICRON TECHNOLOGY COM Put 1,175,000 3.60 62,522 27.57 n/a n/a n/a
2019-11-14 2019-09-30 13F MICRON TECHNOLOGY COM Put 1,134,200 15.91 49,009 29.79 n/a n/a n/a
2019-08-20 2019-06-30 13F MICRON TECHNOLOGY COM Put 978,500 -14.05 37,760 -19.75 n/a n/a n/a
2019-05-15 2019-03-31 13F MICRON TECHNOLOGY COM Put 1,138,500 -43.46 47,054 -25.98 n/a n/a n/a
2019-02-13 2018-12-31 13F MICRON TECHNOLOGY COM Put 2,013,500 68.21 63,566 17.41 n/a n/a n/a
2018-11-14 2018-09-30 13F MICRON TECHNOLOGY COM Put 1,197,000 -27.18 54,140 -36.83 n/a n/a n/a
2018-08-13 2018-06-30 13F MICRON TECHNOLOGY COM Put 1,643,700 0.00 85,703 0.00 n/a n/a n/a
2018-05-15 2018-03-31 13F MICRON TECHNOLOGY COM Put 1,643,700 50.43 85,703 90.74 n/a n/a n/a
2018-02-14 2017-12-31 13F MICRON TECHNOLOGY COM Put 1,092,700 15.43 44,932 20.69 n/a n/a n/a
2017-11-15 2017-09-30 13F MICRON TECHNOLOGY COM Put 946,600 -32.43 37,230 -15.56 n/a n/a n/a
2017-08-14 2017-06-30 13F MICRON TECHNOLOGY COM Put 1,401,000 103.96 44,089 121.56 n/a n/a n/a
2017-05-15 2017-03-31 13F MICRON TECHNOLOGY COM Put 686,900 -29.87 19,899 15.83 n/a n/a n/a
2016-11-14 2016-09-30 13F MICRON TECHNOLOGY COM Put 979,400 15.45 17,179 53.53 n/a n/a n/a
2016-08-17 2016-06-30 13F/A MICRON TECHNOLOGY COM Put 848,300 11,189 n/a n/a n/a
2016-08-15 2016-06-30 13F MICRON TECHNOLOGY COM Put 8,483 11,189 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.