Micron's $62.31 Billion Cash Flow and $73.48 Billion Cash Balance Explained

Micron Technology reported $62.31 billion in adjusted free cash flow for fiscal 2026, with $33.20 billion in the fiscal fourth quarter. The company disclosed the figures on September 30, 2026, in its fiscal fourth-quarter and full-year results release. The fourth quarter was more than half of the full-year total. September 30 release

Micron ended the second quarter of fiscal 2026 with $16.7 billion in cash, marketable investments and restricted cash. That balance was disclosed on March 18, 2026. Its quarterly-results disclosure lists $73.48 billion in the same bucket at year-end. March 18 release Quarterly results page

Micron repurchased $650 million of its shares in fiscal 2026. That figure was reported on October 2, 2026. The buyback totaled $650 million. October 2 report

For reference, Micron ended the fourth quarter of 2017 with $6.15 billion in cash, marketable investments and restricted cash. That figure was disclosed on September 26, 2017. It is included here as historical background only. September 2017 release

In my view, the numbers shift attention from earnings to allocation. Adjusted free cash flow on this scale creates choice, like headroom in a budget. Keeping the cash has dominated so far. The buyback was small. It was a small share of full-year adjusted free cash flow and of the year-end cash balance.

The broader context here is balance-sheet flexibility. A cash pile this large gives room to fund capital spending, handle debt due dates and absorb swings in stock and bills. It also raises the bar for disclosure. Readers tracking the detail will want the full sources-to-uses bridge, including operating cash flow, capital spending, debt borrowing and repayment, and payouts.

Looking at what this means for modeling, definitions will carry weight. Adjusted free cash flow is a non-GAAP measure, outside standard rules. How it links to operating cash flow minus capital spending, and what was adjusted, decides comparability. One quarter needs care. Payment timing, stock builds and supplier bills can swing one quarter. The full-year total smooths part of that.

For cash-flow analysis, the move from the midyear cash figure to the year-end figure needs care. Both use the same bucket. Alone they do not show inflows and outflows. Free cash flow explains part of the move. Share repurchases offset part of it. The rest is in the full cash flow statement, where borrowing and other investing moves appear.