美光科技公司
MX ˙ BMV ˙ LU1650489385
SecurityMX:MU / Micron Technology, Inc.
InstitutionFred Alger Management, Llc
Latest Disclosed Ownership110,873 shares
Latest Disclosed Value $ 37,464,093
Fred Alger Management, Llc reports 630.73% increase in ownership of MU / Micron Technology, Inc.

On May 15, 2026 - Fred Alger Management, Llc filed a 13F-HR form disclosing ownership of 110,873 shares of Micron Technology, Inc. (MX:MU) valued at $37,464,093 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 15,173 shares of Micron Technology, Inc.. This represents a change in shares of 630.73% 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 Micron Technology Equity 595112103 110,873 95,700 630.73 37,464 764.82 0.1047
2026-02-17 2025-12-31 13F Micron Technology Equity 595112103 15,173 10,674 237.25 4,332 476.06 0.0170
2025-11-14 2025-09-30 13F Micron Technology Equity 595112103 4,499 -179,630 -97.56 753 -96.69 0.0029
2025-08-14 2025-06-30 13F Micron Technology Equity 595112103 184,129 -167,995 -47.71 22,694 -25.93 0.1016
2025-05-16 2025-03-31 13F Micron Technology Equity 595112103 352,124 352,124 30,636 0.1745
2025-02-14 2024-12-31 13F MICRON TECHNOLOGY Common 595112103 0 -626,786 -100.00 0 -100.00
2024-11-14 2024-09-30 13F MICRON TECHNOLOGY Common 595112103 626,786 -880,086 -58.40 65,004 -67.20 0.3151
2024-08-14 2024-06-30 13F MICRON TECHNOLOGY Common 595112103 1,506,872 -201,066 -11.77 198,199 -1.56 0.9635
2024-05-15 2024-03-31 13F MICRON TECHNOLOGY Common 595112103 1,707,938 1,290,742 309.39 201,349 465.54 0.9984
2024-02-14 2023-12-31 13F MICRON TECHNOLOGY Common 595112103 417,196 417,196 35,604 0.1921
2023-11-14 2023-09-30 13F MICRON TECHNOLOGY Common 595112103 0 -1,755 -100.00 0 -100.00
2023-11-14 2023-09-30 13F MICRON TECHNOLOGY Common 595112103 0 0
2023-08-14 2023-06-30 13F MICRON TECHNOLOGY Common 595112103 1,755 1,755 111 0.0006
2022-08-15 2022-06-30 13F MICRON TECHNOLOGY Common 595112103 0 -1,628,495 -100.00 0 -100.00
2022-05-16 2022-03-31 13F MICRON TECHNOLOGY Common 595112103 1,628,495 -2,162,755 -57.05 126,843 -64.08 0.4052
2022-02-14 2021-12-31 13F MICRON TECHNOLOGY Common 595112103 3,791,250 3,166,272 506.62 353,155 696.09 0.8847
2021-11-15 2021-09-30 13F MICRON TECHNOLOGY Common 595112103 624,978 -390,891 -38.48 44,361 -48.61 0.1058
2021-08-16 2021-06-30 13F MICRON TECHNOLOGY Common 595112103 1,015,869 -1,285,598 -55.86 86,329 -57.48 0.2038
2021-05-17 2021-03-31 13F MICRON TECHNOLOGY Common 595112103 2,301,467 -120,993 -4.99 203,012 11.47 0.5311
2021-02-16 2020-12-31 13F MICRON TECHNOLOGY Common 595112103 2,422,460 539,704 28.67 182,121 105.99 0.4738
2020-11-13 2020-09-30 13F MICRON TECHNOLOGY Common 595112103 1,882,756 1,882,628 1,470,803.12 88,414 1,262,957.14 0.2567
2020-08-14 2020-06-30 13F MICRON TECHNOLOGY Common 595112103 128 -1,268,185 -99.99 7 -99.99 0.0000
2020-05-19 2020-03-31 13F/A-1 MICRON TECHNOLOGY Common 595112103 1,268,313 341,582 36.86 53,345 7.03 0.2344
2020-05-15 2020-03-31 13F MICRON TECHNOLOGY Common 595112103 1,268,313 341,582 53,345 234,704.9438
2020-02-14 2019-12-31 13F MICRON TECHNOLOGY Common 595112103 926,731 -75,814 -7.56 49,840 16.02 0.1834
2019-11-14 2019-09-30 13F MICRON TECHNOLOGY Common 595112103 1,002,545 1,002,470 1,336,626.67 42,959 1,431,866.67 0.1686
2019-08-14 2019-06-30 13F MICRON TECHNOLOGY Common 595112103 75 -8,325 -99.11 3 -99.14 0.0000
2019-05-14 2019-03-31 13F MICRON TECHNOLOGY Common 595112103 8,400 6,727 402.09 347 554.72 0.0014
2019-02-14 2018-12-31 13F MICRON TECHNOLOGY Common 595112103 1,673 -63 -3.63 53 -32.91 0.0002
2018-11-14 2018-09-30 13F MICRON TECHNOLOGY Common 595112103 1,736 -1,253,824 -99.86 79 -99.88 0.0003
2018-07-19 2018-06-30 13F MICRON TECHNOLOGY Common 595112103 1,255,560 -69,676 -5.26 65,842 -4.71 0.2764
2018-05-10 2018-03-31 13F MICRON TECHNOLOGY Common 595112103 1,325,236 -1,394,730 -51.28 69,098 -38.22 0.3213
2018-02-14 2017-12-31 13F MICRON TECHNOLOGY Common 595112103 2,719,966 -311,270 -10.27 111,845 -6.19 0.5048
2017-11-14 2017-09-30 13F MICRON TECHNOLOGY Common 595112103 3,031,236 -1,611,212 -34.71 119,219 -14.00 0.5576
2017-08-14 2017-06-30 13F MICRON TECHNOLOGY Common 595112103 4,642,448 -1,928,712 -29.35 138,623 -27.00 0.6621
2017-05-15 2017-03-31 13F MICRON TECHNOLOGY Common 595112103 6,571,160 2,815,588 74.97 189,907 130.69 0.9452
2017-02-14 2016-12-31 13F MICRON TECHNOLOGY Common 595112103 3,755,572 3,755,572 -42.85 82,322 -56.65 0.4479
2016-11-14 2016-09-30 13F MICRON TECHNOLOGY Common 595112103 0 -785 -100.00 0 -100.00
2016-08-15 2016-06-30 13F MICRON TECHNOLOGY Common 595112103 785 -469 -37.40 11 -15.38 0.0001
2016-05-16 2016-03-31 13F MICRON TECHNOLOGY Common 595112103 1,254 -425 -25.31 13 -45.83 0.0001
2016-02-16 2015-12-31 13F MICRON TECHNOLOGY Common 595112103 1,679 1,679 33.89 24 84.62 0.0001
2015-11-16 2015-09-30 13F MICRON TECHNOLOGY Common 595112103 0 -45,165 -100.00 0 -100.00
2015-08-14 2015-06-30 13F MICRON TECHNOLOGY Common 595112103 45,165 -5,191,723 -99.14 851 -99.40 0.0038
2015-05-15 2015-03-31 13F MICRON TECHNOLOGY Common 595112103 5,236,888 -2,376,482 -31.21 142,076 -46.70 0.6399
2015-02-17 2014-12-31 13F MICRON TECHNOLOGY Common 595112103 7,613,370 -1,229,814 -13.91 266,544 -12.02 1.2830
2014-11-14 2014-09-30 13F MICRON TECHNOLOGY Common 595112103 8,843,184 3,189,074 56.40 302,968 62.62 1.4734
2014-08-14 2014-06-30 13F MICRON TECHNOLOGY Common 595112103 5,654,110 1,431,481 33.90 186,303 86.48 0.9173
2014-05-15 2014-03-31 13F MICRON TECHNOLOGY Common 595112103 4,222,629 -503,101 -10.65 99,907 -2.80 0.4952
2014-02-14 2013-12-31 13F MICRON TECHNOLOGY Common 595112103 4,725,730 -113,345 -2.34 102,784 21.59 0.5239
2013-11-14 2013-09-30 13F MICRON TECHNOLOGY Common 595112103 4,839,075 4,744,665 5,025.60 84,534 6,147.89 0.4700
2013-08-14 2013-06-30 13F MICRON TECHNOLOGY Common 595112103 94,410 94,410 1,353 0.0080
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.