Micron Technology, Inc.
PE ˙ BVL ˙ LU1650489385
DETTE SYMBOL ER IKKE LÆNGERE AKTIVT
SecurityPE:MU / Micron Technology, Inc.
InstitutionBlair William & Co/il
Latest Disclosed Ownership332,311 shares
Latest Disclosed Value $ 112,268,109
Blair William & Co/il reports 10.78% increase in ownership of MU / Micron Technology, Inc.

On May 8, 2026 - Blair William & Co/il filed a 13F-HR form disclosing ownership of 332,311 shares of Micron Technology, Inc. (PE:MU) valued at $112,268,109 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 299,970 shares of Micron Technology, Inc.. This represents a change in shares of 10.78% 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)
2026-05-08 2026-03-31 13F MICRON TECHNOLOGY COM 595112103 332,311 32,341 10.78 112,268 31.13 0.3217
2026-02-17 2025-12-31 13F MICRON TECHNOLOGY COM 595112103 299,970 78 0.03 85,614 70.62 0.2298
2025-11-12 2025-09-30 13F MICRON TECHNOLOGY COM 595112103 299,892 5,934 2.02 50,178 38.50 0.1336
2025-07-24 2025-06-30 13F MICRON TECHNOLOGY COM 595112103 293,958 -13,192 -4.29 36,230 35.75 0.1006
2025-05-09 2025-03-31 13F MICRON TECHNOLOGY COM 595112103 307,150 6,829 2.27 26,688 5.59 0.0805
2025-02-12 2024-12-31 13F MICRON TECHNOLOGY COM 595112103 300,321 -2,564 -0.85 25,275 -19.54 0.0735
2024-11-12 2024-09-30 13F MICRON TECHNOLOGY COM 595112103 302,885 1,008 0.33 31,412 -20.89 0.0923
2024-08-12 2024-06-30 13F MICRON TECHNOLOGY COM 595112103 301,877 842 0.28 39,706 11.88 0.1225
2024-05-09 2024-03-31 13F MICRON TECHNOLOGY COM 595112103 301,035 -14 -0.00 35,489 38.14 0.1115
2024-02-12 2023-12-31 13F MICRON TECHNOLOGY COM 595112103 301,049 -3,104 -1.02 25,692 24.17 0.0875
2023-11-09 2023-09-30 13F MICRON TECHNOLOGY COM 595112103 304,153 4,475 1.49 20,692 9.41 0.0794
2023-08-11 2023-06-30 13F MICRON TECHNOLOGY COM 595112103 299,678 13,459 4.70 18,913 9.51 0.0693
2023-05-12 2023-03-31 13F MICRON TECHNOLOGY COM 595112103 286,219 -10,180 -3.43 17,270 16.58 0.0690
2023-02-10 2022-12-31 13F MICRON TECHNOLOGY COM 595112103 296,399 -11,649 -3.78 14,814 -4.01 0.0644
2022-11-09 2022-09-30 13F MICRON TECHNOLOGY COM 595112103 308,048 -542 -0.18 15,433 -9.53 0.0709
2022-08-10 2022-06-30 13F MICRON TECHNOLOGY COM 595112103 308,590 -39,180 -11.27 17,059 -37.02 0.0757
2022-05-13 2022-03-31 13F MICRON TECHNOLOGY COM 595112103 347,770 929 0.27 27,088 -16.16 0.0949
2022-02-14 2021-12-31 13F MICRON TECHNOLOGY COM 595112103 346,841 19,656 6.01 32,308 39.11 0.1013
2021-11-12 2021-09-30 13F MICRON TECHNOLOGY COM 595112103 327,185 30,196 10.17 23,224 -7.98 0.0791
2021-08-12 2021-06-30 13F MICRON TECHNOLOGY COM 595112103 296,989 9,903 3.45 25,238 -0.34 0.0875
2021-05-13 2021-03-31 13F MICRON TECHNOLOGY COM 595112103 287,086 11,404 4.14 25,324 22.18 0.0955
2021-02-09 2020-12-31 13F MICRON TECHNOLOGY COM 595112103 275,682 4,566 1.68 20,726 62.79 0.0760
2020-11-06 2020-09-30 13F MICRON TECHNOLOGY COM 595112103 271,116 81 0.03 12,732 -8.82 0.0540
2020-08-12 2020-06-30 13F MICRON TECHNOLOGY COM 595112103 271,035 44,863 19.84 13,964 46.79 0.0666
2020-05-11 2020-03-31 13F MICRON TECHNOLOGY COM 595112103 226,172 -9,288 -3.94 9,513 -24.88 0.0595
2020-02-13 2019-12-31 13F MICRON TECHNOLOGY COM 595112103 235,460 -7,097 -2.93 12,663 21.83 0.0651
2019-11-12 2019-09-30 13F MICRON TECHNOLOGY COM 595112103 242,557 3,304 1.38 10,394 12.57 0.0599
2019-08-13 2019-06-30 13F MICRON TECHNOLOGY COM 595112103 239,253 283 0.12 9,233 -6.52 0.0528
2019-05-14 2019-03-31 13F MICRON TECHNOLOGY COM 595112103 238,970 9,561 4.17 9,877 35.69 0.0602
2019-02-14 2018-12-31 13F MICRON TECHNOLOGY COM 595112103 229,409 -14,995 -6.14 7,279 -34.15 0.0532
2018-11-13 2018-09-30 13F MICRON TECHNOLOGY COM 595112103 244,404 12,260 5.28 11,054 -9.20 0.0677
2018-08-13 2018-06-30 13F MICRON TECHNOLOGY COM 595112103 232,144 2,362 1.03 12,174 1.61 0.0828
2018-05-15 2018-03-31 13F MICRON TECHNOLOGY COM 595112103 229,782 -3,363 -1.44 11,981 24.97 0.0847
2018-02-14 2017-12-31 13F MICRON TECHNOLOGY COM 595112103 233,145 15,520 7.13 9,587 12.01 0.0651
2017-11-13 2017-09-30 13F MICRON TECHNOLOGY COM 595112103 217,625 6,057 2.86 8,559 35.49 0.0642
2017-08-04 2017-06-30 13F MICRON TECHNOLOGY COM 595112103 211,568 15,775 8.06 6,317 37.66 0.0474
2017-05-10 2017-03-31 13F MICRON TECHNOLOGY COM 595112103 195,793 5,326 2.80 4,589 9.92 0.0370
2017-02-14 2016-12-31 13F MICRON TECHNOLOGY COM 595112103 190,467 -7,043 -3.57 4,175 18.88 0.0373
2016-11-14 2016-09-30 13F MICRON TECHNOLOGY ADR 595112103 197,510 -18,608 -8.61 3,512 18.09 0.0310
2016-08-08 2016-06-30 13F Micron Technology ADR 595112103 216,118 10,995 5.36 2,974 38.52 0.0277
2016-05-16 2016-03-31 13F MICRON TECHNOLOGY COM 595112103 205,123 67,180 48.70 2,147 9.93 0.0202
2016-02-16 2015-12-31 13F MICRON TECHNOLOGY COM 595112103 137,943 82,704 149.72 1,953 136.15 0.0183
2015-11-12 2015-09-30 13F MICRON TECHNOLOGY COM 595112103 55,239 2,185 4.12 827 -17.22 0.0072
2015-08-03 2015-06-30 13F MICRON TECHNOLOGY COM 595112103 53,054 6,225 13.29 999 -21.34 0.0015
2015-05-11 2015-03-31 13F MICRON TECHNOLOGY COM 595112103 46,829 46,829 -11.73 1,270 27.13 0.0020
2015-02-05 2014-12-31 13F MICRON TECHNOLOGY COM 595112103 0 -48,618 -100.00 0 -100.00
2014-11-04 2014-09-30 13F MICRON TECHNOLOGY COM 595112103 48,618 -3,402 -6.54 1,665 -2.86 0.0028
2014-08-01 2014-06-30 13F MICRON TECHNOLOGY COM 595112103 52,020 5 0.01 1,714 39.24 0.0028
2014-05-06 2014-03-31 13F MICRON TECHNOLOGY COM 595112103 52,015 14,135 37.32 1,231 49.57 0.0020
2014-02-11 2013-12-31 13F MICRON TECHNOLOGY COM 595112103 37,880 3,215 9.27 823 36.03 0.0014
2013-11-12 2013-09-30 13F MICRON TECHNOLOGY COM 595112103 34,665 -7,800 -18.37 605 -0.49 0.0011
2013-08-07 2013-06-30 13F MICRON TECHNOLOGY COM 595112103 42,465 42,465 608 0.0012
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.