Micron Technology (MU)

As of 15 October 2026, short interest in MU is 22,533,635 shares, down 5,100,145 shares over the last month. Over the last 48 readings it ranged from 22,170,120 shares (30 September 2025) to 42,739,272 shares (15 January 2025). The latest reading sits at the bottom of that range. At the reported average volume of 28.1M shares a day that is 1.0 days to cover.

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As of 28 October 2026, the short share of MU volume is 34.0%, down 1.2 points over the last five sessions. Over the last 30 readings it ranged from 27.9% (23 September 2026) to 55.3% (2 October 2026). The latest reading is 3.7 points below the 30-session average of 37.7%, on 12.5M shares reported.

As of 28 September 2026, the fails-to-deliver balance in MU is 1,889 shares, up 1,689 shares over the last settlement date. Over the last 30 readings it ranged from 2 shares (11 August 2026) to 38,330 shares (15 September 2026). The latest reading sits at the bottom of that range.

Insiders at MU reported 59 open-market sells worth $84.3M in the last 90 days and no open-market buys. Latest filing: Deboer Scott J (Pres. & Chief Tech & Prod Offr) on 2026-10-16.

Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.

38 Form 144 notices on file for MU worth $390.7M at the prices reported; 4 in the last 90 days worth $85.7M. Latest: Deboer Scott J filed on 2026-10-15 to sell 28,545 shares ($26.1M) from 2026-10-16.

1 holder reports 5% or more of MU in its latest filing, on Schedule 13G (passive). The holder is Vanguard Capital Management at 7.5% of the class (84,297,629 shares), filed 2026-04-30 for an event on 2026-03-31.

12 of the 30 tracked managers held MU at their latest 13F, $12.77B in total at quarter-end prices. AQR Capital Management is the largest at $4.43B (1.5% of its portfolio) as of 2026-06-30. Over the prior quarter 3 added shares and 9 cut.

Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.

In Q4 FY 2026 (quarter ended 2026-09-03) Micron Technology reported revenue of $54.23B, up 379.3% from the same quarter a year earlier, and net income of $37.70B. In FY 2026 it generated $89.67B of operating cash flow and spent $650.0M on buybacks and $610.0M on dividends. As of 2026-09-03, cash was $38.36B against $2.79B of debt.

Quarterly, last 8 quarters

Fiscal years, with buybacks and dividends

Quarters are the three-month figures the company reports; a fourth quarter marked derived is the fiscal year less the three reported quarters, since companies report it only inside the 10-K. Fiscal years are the annual figures. Buybacks are the cash the company paid to repurchase its common stock in the year, not the amount authorized. Balance sheet lines are as of 2026-09-03; shares outstanding as of 2026-10-02 from the cover page.

2 contract actions on file for MU: $620K obligated in the last 90 days and $2.1M in the last 12 months across 1 awarding agency. The largest was $1.5M from the Department of Health and Human Services on 2026-06-24 (development of radiation/nuclear medical countermeasures (mcms) and biodosimetry devices. 7/1/2026 to 6/30/2027. dap-nca...). This covers the largest contract actions, not every award, and agencies report late.