Micron Technology, Inc.
MX ˙ BMV ˙ LU1650489385
SecurityMX:MU / Micron Technology, Inc.
InstitutionTwo Sigma Securities, Llc
Latest Disclosed Ownership4,416 shares
Latest Disclosed Value $ 1,491,901
Two Sigma Securities, Llc ownership in MU / Micron Technology, Inc.

On May 15, 2026 - Two Sigma Securities, Llc filed a 13F-HR form disclosing ownership of 4,416 shares of Micron Technology, Inc. (MX:MU) valued at $1,491,901 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 0 shares of Micron Technology, Inc..

Two Sigma Securities, 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 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 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.

MX: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)
2026-05-15 2026-03-31 13F MICRON TECHNOLOGY COM 595112103 4,416 4,416 1,492 0.1733
2026-02-17 2025-12-31 13F MICRON TECHNOLOGY COM 595112103 0 -6,284 -100.00 0 -100.00
2025-11-14 2025-09-30 13F MICRON TECHNOLOGY COM 595112103 6,284 4,608 274.94 1,051 410.19 0.1551
2025-08-14 2025-06-30 13F MICRON TECHNOLOGY COM 595112103 1,676 -14,689 -89.76 207 -85.50 0.0255
2025-05-15 2025-03-31 13F MICRON TECHNOLOGY COM 595112103 16,365 2,551 18.47 1,422 22.29 0.2156
2025-02-14 2024-12-31 13F MICRON TECHNOLOGY COM 595112103 13,814 -39,886 -74.28 1,163 -79.13 0.1541
2024-11-14 2024-09-30 13F MICRON TECHNOLOGY COM 595112103 53,700 37,568 232.88 5,569 162.56 0.0940
2024-08-14 2024-06-30 13F MICRON TECHNOLOGY COM 595112103 16,132 -425,194 -96.34 2,122 -95.92 0.0256
2024-05-15 2024-03-31 13F MICRON TECHNOLOGY COM 595112103 441,326 102,423 30.22 52,028 79.89 0.5022
2024-02-14 2023-12-31 13F MICRON TECHNOLOGY COM 595112103 338,903 338,903 28,922 0.2795
2023-11-14 2023-09-30 13F MICRON TECHNOLOGY COM 595112103 0 -10,998 -100.00 0 -100.00
2023-08-14 2023-06-30 13F MICRON TECHNOLOGY COM 595112103 10,998 1,674 17.95 694 23.49 0.0103
2023-05-15 2023-03-31 13F MICRON TECHNOLOGY COM 595112103 9,324 -1,575 -14.45 563 3.31 0.0113
2023-02-14 2022-12-31 13F MICRON TECHNOLOGY COM 595112103 10,899 -71,830 -86.83 545 -86.88 0.0164
2022-11-14 2022-09-30 13F MICRON TECHNOLOGY COM 595112103 82,729 -26,632 -24.35 4,145 -31.43 0.1254
2022-08-15 2022-06-30 13F MICRON TECHNOLOGY COM 595112103 109,361 96,551 753.72 6,045 505.71 0.2142
2022-05-16 2022-03-31 13F MICRON TECHNOLOGY COM 595112103 12,810 -44,389 -77.60 998 -81.27 0.0351
2022-02-14 2021-12-31 13F MICRON TECHNOLOGY COM 595112103 57,199 50,034 698.31 5,328 946.76 0.2319
2021-11-15 2021-09-30 13F MICRON TECHNOLOGY COM 595112103 7,165 -21,417 -74.93 509 -79.04 0.0149
2021-08-16 2021-06-30 13F MICRON TECHNOLOGY COM 595112103 28,582 23,828 501.22 2,429 479.71 0.0730
2021-05-17 2021-03-31 13F MICRON TECHNOLOGY COM 595112103 4,754 -1,273 -21.12 419 -7.51 0.0232
2021-02-16 2020-12-31 13F MICRON TECHNOLOGY COM 595112103 6,027 102 1.72 453 62.95 0.0107
2020-11-16 2020-09-30 13F MICRON TECHNOLOGY COM 595112103 5,925 -62,775 -91.38 278 -92.15 0.0057
2020-08-14 2020-06-30 13F MICRON TECHNOLOGY COM 595112103 68,700 51,539 300.33 3,540 390.30 0.0794
2020-05-15 2020-03-31 13F MICRON TECHNOLOGY COM 595112103 17,161 10,303 150.23 722 95.66 0.0163
2020-02-14 2019-12-31 13F MICRON TECHNOLOGY COM 595112103 6,858 -25,296 -78.67 369 -73.22 0.0025
2019-11-14 2019-09-30 13F MICRON TECHNOLOGY COM 595112103 32,154 32,154 368.85 1,378 273.44 0.0126
2019-05-15 2019-03-31 13F MICRON TECHNOLOGY COM 595112103 0 -14,526 -100.00 0 -100.00
2019-02-14 2018-12-31 13F MICRON TECHNOLOGY COM 595112103 14,526 14,526 461 0.0056
2018-11-14 2018-09-30 13F MICRON TECHNOLOGY COM 595112103 0 -15,471 -100.00 0 -100.00
2018-08-14 2018-06-30 13F MICRON TECHNOLOGY COM 595112103 15,471 -14,753 -48.81 811 -48.54 0.0040
2018-05-15 2018-03-31 13F MICRON TECHNOLOGY COM 595112103 30,224 30,224 95.36 1,576 94.33 0.0088
2018-02-14 2017-12-31 13F MICRON TECHNOLOGY COM 595112103 0 -31,645 -100.00 0 -100.00
2017-11-14 2017-09-30 13F MICRON TECHNOLOGY COM 595112103 31,645 31,645 1,245 0.1137
2017-08-14 2017-06-30 13F MICRON TECHNOLOGY COM 595112103 0 -74,093 -100.00 0 -100.00
2017-05-15 2017-03-31 13F MICRON TECHNOLOGY COM 595112103 74,093 -65,437 -46.90 2,141 -29.99 0.4196
2017-02-14 2016-12-31 13F MICRON TECHNOLOGY COM 595112103 139,530 102,808 279.96 3,058 368.30 1.0223
2016-11-14 2016-09-30 13F MICRON TECHNOLOGY COM 595112103 36,722 36,722 653 0.2225
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
(%)
2025-02-14 2024-12-31 13F MICRON TECHNOLOGY COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2024-11-14 2024-09-30 13F MICRON TECHNOLOGY COM Call 258,200 177.93 26,778 119.14 n/a n/a n/a
2024-08-14 2024-06-30 13F MICRON TECHNOLOGY COM Call 92,900 9.04 12,219 21.65 n/a n/a n/a
2024-05-15 2024-03-31 13F MICRON TECHNOLOGY COM Call 85,200 -3.73 10,044 33.00 n/a n/a n/a
2024-02-14 2023-12-31 13F MICRON TECHNOLOGY COM Call 88,500 -68.66 7,553 -60.69 n/a n/a n/a
2023-11-14 2023-09-30 13F MICRON TECHNOLOGY COM Call 282,400 189.64 19,212 212.22 n/a n/a n/a
2023-08-14 2023-06-30 13F MICRON TECHNOLOGY COM Call 97,500 -22.19 6,153 -18.61 n/a n/a n/a
2023-05-15 2023-03-31 13F MICRON TECHNOLOGY COM Call 125,300 44.69 7,561 74.68 n/a n/a n/a
2023-02-14 2022-12-31 13F MICRON TECHNOLOGY COM Call 86,600 -68.41 4,328 -68.48 n/a n/a n/a
2022-11-14 2022-09-30 13F MICRON TECHNOLOGY COM Call 274,100 -24.88 13,732 -31.93 n/a n/a n/a
2022-08-15 2022-06-30 13F MICRON TECHNOLOGY COM Call 364,900 443.01 20,172 285.40 n/a n/a n/a
2022-05-16 2022-03-31 13F MICRON TECHNOLOGY COM Call 67,200 380.00 5,234 301.38 n/a n/a n/a
2022-02-14 2021-12-31 13F MICRON TECHNOLOGY COM Call 14,000 -76.31 1,304 -68.92 n/a n/a n/a
2021-11-15 2021-09-30 13F MICRON TECHNOLOGY COM Call 59,100 -38.24 4,195 -48.42 n/a n/a n/a
2021-08-16 2021-06-30 13F MICRON TECHNOLOGY COM Call 95,700 1,053.01 8,133 1,011.07 n/a n/a n/a
2021-05-17 2021-03-31 13F MICRON TECHNOLOGY COM Call 8,300 -83.79 732 -80.98 n/a n/a n/a
2021-02-16 2020-12-31 13F MICRON TECHNOLOGY COM Call 51,200 41.44 3,849 126.41 n/a n/a n/a
2020-11-16 2020-09-30 13F MICRON TECHNOLOGY COM Call 36,200 8.06 1,700 -1.51 n/a n/a n/a
2020-09-10 2020-06-30 13F/A MICRON TECHNOLOGY COM Call 33,500 21.38 1,726 48.66 n/a n/a n/a
2020-05-15 2020-03-31 13F MICRON TECHNOLOGY COM Call 27,600 -92.18 1,161 -93.88 n/a n/a n/a
2020-02-14 2019-12-31 13F MICRON TECHNOLOGY COM Call 352,900 135.58 18,979 195.67 n/a n/a n/a
2019-11-14 2019-09-30 13F MICRON TECHNOLOGY CALL Call 149,800 -23.34 6,419 -14.87 n/a n/a n/a
2019-08-14 2019-06-30 13F MICRON TECHNOLOGY COM Call 195,400 86.27 7,540 73.89 n/a n/a n/a
2019-05-15 2019-03-31 13F MICRON TECHNOLOGY COM Call 104,900 -46.75 4,336 -30.64 n/a n/a n/a
2019-02-14 2018-12-31 13F MICRON TECHNOLOGY COM Call 197,000 24.13 6,251 -12.91 n/a n/a n/a
2018-11-14 2018-09-30 13F MICRON TECHNOLOGY COM Call 158,700 -59.78 7,178 -65.31 n/a n/a n/a
2018-08-14 2018-06-30 13F MICRON TECHNOLOGY COM Call 394,600 0.87 20,693 1.45 n/a n/a n/a
2018-05-15 2018-03-31 13F MICRON TECHNOLOGY COM Call 391,200 1,057.40 20,397 1,367.41 n/a n/a n/a
2018-02-14 2017-12-31 13F MICRON TECHNOLOGY COM Call 33,800 1,390 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
(%)
2025-02-14 2024-12-31 13F MICRON TECHNOLOGY COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2024-11-14 2024-09-30 13F MICRON TECHNOLOGY COM Put 294,900 242.11 30,584 169.77 n/a n/a n/a
2024-08-14 2024-06-30 13F MICRON TECHNOLOGY COM Put 86,200 -1.26 11,338 10.16 n/a n/a n/a
2024-05-15 2024-03-31 13F MICRON TECHNOLOGY COM Put 87,300 -72.14 10,292 -61.51 n/a n/a n/a
2024-02-14 2023-12-31 13F MICRON TECHNOLOGY COM Put 313,300 0.26 26,737 25.77 n/a n/a n/a
2023-11-14 2023-09-30 13F MICRON TECHNOLOGY COM Put 312,500 442.53 21,259 484.84 n/a n/a n/a
2023-08-14 2023-06-30 13F MICRON TECHNOLOGY COM Put 57,600 -63.91 3,635 -62.25 n/a n/a n/a
2023-05-15 2023-03-31 13F MICRON TECHNOLOGY COM Put 159,600 90.00 9,630 129.39 n/a n/a n/a
2023-02-14 2022-12-31 13F MICRON TECHNOLOGY COM Put 84,000 -76.75 4,198 -76.81 n/a n/a n/a
2022-11-14 2022-09-30 13F MICRON TECHNOLOGY COM Put 361,300 -5.96 18,101 -14.77 n/a n/a n/a
2022-08-15 2022-06-30 13F MICRON TECHNOLOGY COM Put 384,200 385.71 21,239 244.73 n/a n/a n/a
2022-05-16 2022-03-31 13F MICRON TECHNOLOGY COM Put 79,100 197.37 6,161 148.63 n/a n/a n/a
2022-02-14 2021-12-31 13F MICRON TECHNOLOGY COM Put 26,600 -44.81 2,478 -27.57 n/a n/a n/a
2021-11-15 2021-09-30 13F MICRON TECHNOLOGY COM Put 48,200 -34.33 3,421 -45.16 n/a n/a n/a
2021-08-16 2021-06-30 13F MICRON TECHNOLOGY COM Put 73,400 963.77 6,238 924.30 n/a n/a n/a
2021-05-17 2021-03-31 13F MICRON TECHNOLOGY COM Put 6,900 -83.69 609 -80.85 n/a n/a n/a
2021-02-16 2020-12-31 13F MICRON TECHNOLOGY COM Put 42,300 30.56 3,180 108.94 n/a n/a n/a
2020-11-16 2020-09-30 13F MICRON TECHNOLOGY COM Put 32,400 -7.95 1,522 -16.10 n/a n/a n/a
2020-09-10 2020-06-30 13F/A MICRON TECHNOLOGY COM Put 35,200 -13.30 1,814 6.21 n/a n/a n/a
2020-05-15 2020-03-31 13F MICRON TECHNOLOGY COM Put 40,600 -89.89 1,708 -92.09 n/a n/a n/a
2020-02-14 2019-12-31 13F MICRON TECHNOLOGY COM Put 401,600 34.90 21,598 69.32 n/a n/a n/a
2019-11-14 2019-09-30 13F MICRON TECHNOLOGY PUT Put 297,700 26.36 12,756 40.30 n/a n/a n/a
2019-08-14 2019-06-30 13F MICRON TECHNOLOGY COM Put 235,600 45.07 9,092 35.46 n/a n/a n/a
2019-05-15 2019-03-31 13F MICRON TECHNOLOGY COM Put 162,400 105.31 6,712 167.41 n/a n/a n/a
2019-02-14 2018-12-31 13F MICRON TECHNOLOGY COM Put 79,100 -77.77 2,510 -84.40 n/a n/a n/a
2018-11-14 2018-09-30 13F MICRON TECHNOLOGY COM Put 355,800 -34.89 16,093 -43.84 n/a n/a n/a
2018-08-14 2018-06-30 13F MICRON TECHNOLOGY COM Put 546,500 2.02 28,658 2.60 n/a n/a n/a
2018-05-15 2018-03-31 13F MICRON TECHNOLOGY COM Put 535,700 2,095.49 27,931 2,684.75 n/a n/a n/a
2018-02-14 2017-12-31 13F MICRON TECHNOLOGY COM Put 24,400 1,003 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.