Micron Technology Inc. 13F holders
Of the 44 funds followed here, 19 reported a position in Micron Technology Inc. in a 13F for the quarter ended 30 June 2026. The largest: Citadel Advisors, 34.0 million shares worth $39.28 billion, 4.5% of its reported book. New this quarter: Altimeter Capital Management, Ratan Capital, Harris Associates, Baillie Gifford. Sold out: Duquesne Family Office.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Citadel Advisors | 34,031,523 | $39.28 billion | 4.5% | +2,401,751 | added | 30 June 2026 | 13F |
| Geode Capital Management | 27,705,797 | $31.88 billion | 1.7% | +273,040 | added | 30 June 2026 | 13F |
| FMR LLC | 26,718,869 | $30.84 billion | 1.3% | -5,335,696 | trimmed | 30 June 2026 | 13F |
| Norges Bank | 15,180,843 | $17.52 billion | 1.7% | held | 30 June 2026 | 13F | |
| Millennium Management | 4,333,125 | $5.00 billion | 1.8% | -424,252 | trimmed | 30 June 2026 | 13F |
| Capital Research Global Investors | 3,827,473 | $4.42 billion | 0.6% | -328,786 | trimmed | 30 June 2026 | 13F |
| Coatue Management | 3,142,269 | $3.63 billion | 7.5% | +2,976,338 | added | 30 June 2026 | 13F |
| Appaloosa (Tepper) | 975,000 | $1.13 billion | 14.6% | -690,000 | trimmed | 30 June 2026 | 13F |
| Point72 Asset Management | 863,883 | $997.2 million | 1.1% | -223,974 | trimmed | 30 June 2026 | 13F |
| Atreides Management | 711,364 | $821.1 million | 5.7% | -49,062 | trimmed | 30 June 2026 | 13F |
| Two Sigma Investments | 549,473 | $634.3 million | 0.5% | -1,767,271 | trimmed | 30 June 2026 | 13F |
| Renaissance Technologies | 211,580 | $244.2 million | 0.3% | -1,951,406 | trimmed | 30 June 2026 | 13F |
| Altimeter Capital Management | 209,520 | $241.8 million | 2.5% | +209,520 | new | 30 June 2026 | 13F |
| Bridgewater Associates | 116,666 | $134.7 million | 0.6% | -1,359,038 | trimmed | 30 June 2026 | 13F |
| Alyeska | 25,957 | $30.0 million | 0.1% | -1,973,774 | trimmed | 30 June 2026 | 13F |
| Soros Fund Management | 22,422 | $25.9 million | 0.3% | +19,598 | added | 30 June 2026 | 13F |
| Ratan Capital | 13,000 | $15.0 million | 4.8% | +13,000 | new | 30 June 2026 | 13F |
| Harris Associates | 180 | $207,772 | 0.0% | +180 | new | 30 June 2026 | 13F |
| Baillie Gifford | 80 | $92,343 | 0.0% | +80 | new | 30 June 2026 | 13F |
| Duquesne Family Office | 0 | $0 | 0.0% | -23,400 | exited | 30 June 2026 | 13F |
Value is what the fund reported. Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.
Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 14 May 2026 | 13G/A | Capital World Investors and 1 other | 42.2 million | 3.7% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 30 April 2026 | 13G | Vanguard Capital Management and 1 other | 84.3 million | 7.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 13 February 2026 | 13G/A | Capital World Investors and 1 other | 58.5 million | 5.2% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder. Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.
Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 31 August 2026 | 1,675 | $932.86 | SEC |
| 28 August 2026 | 5 | $935.39 | SEC |
| 27 August 2026 | 4,100 | $938.40 | SEC |
| 24 August 2026 | 3,321 | $966.78 | SEC |
| 21 August 2026 | 4,263 | $974.33 | SEC |
| 18 August 2026 | 1,920 | $1,011.75 | SEC |
| 17 August 2026 | 1,135 | $971.66 | SEC |
| 14 August 2026 | 6 | $949.83 | SEC |
| 13 August 2026 | 5,847 | $911.29 | SEC |
| 11 August 2026 | 2 | $861.00 | SEC |
| 10 August 2026 | 963 | $877.57 | SEC |
| 7 August 2026 | 12,028 | $881.47 | SEC |
| 6 August 2026 | 1,253 | $893.19 | SEC |
| 4 August 2026 | 4,400 | $829.50 | SEC |
| 3 August 2026 | 9,130 | $823.03 | SEC |
| 31 July 2026 | 6,554 | $874.66 | SEC |
| 30 July 2026 | 57 | $739.00 | SEC |
| 29 July 2026 | 6,878 | $820.53 | SEC |
| 28 July 2026 | 6,000 | $900.20 | SEC |
| 23 July 2026 | 3,462 | $959.48 | SEC |
| 22 July 2026 | 1,680 | $970.82 | SEC |
| 21 July 2026 | 2,475 | $865.46 | SEC |
| 20 July 2026 | 13,028 | $848.95 | SEC |
| 17 July 2026 | 3,766 | $853.20 | SEC |
| 16 July 2026 | 301 | $904.28 | SEC |
| 15 July 2026 | 12 | $983.12 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period. Largest in the window: 13,028 on 20 July 2026. A fail is an operational fact about settlement, not a position.
Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to MU by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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