MU
Micron Technology, Inc. · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth -18.2% ·
share flow +2.8% ·
net new positions -20.0%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 4 | 0 | 3.62M | $3.82B | n/a | n/a |
| Q2 2026 | 193 | +8 | 718.97M | $826.55B | +10 | −3 |
| Q1 2026 | 189 | +4 | 717.19M | $241.83B | +7 | −4 |
| Q4 2025 | 184 | +1 | 800.76M | $228.51B | +2 | n/a |
| Q3 2025 | 25 | +3 | 506.87M | $84.79B | +3 | −1 |
| Q2 2025 | 20 | -1 | 456.94M | $56.30B | n/a | −1 |
| Q1 2025 | 18 | -4 | 196.28M | $17.05B | n/a | −4 |
| Q4 2024 | 22 | 0 | 191.00M | $16.08B | +3 | −3 |
| Q3 2024 | 21 | 0 | 131.29M | $13.61B | +2 | −2 |
| Q2 2024 | 21 | n/a | 136.16M | $17.90B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Capital World Investors ✦ | 54.28M | +32.1% | $4.72B | 0.8% | ▲ Add | 4 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 50.02M | +0.7% | $4.35B | 0.2% | ▲ Add | 2 | SEC ↗ |
| 3 | PRIMECAP Management ✦ | 37.28M | -0.8% | $3.24B | 2.7% | ▼ Trim | 4 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 25.38M | +3.8% | $2.20B | 0.2% | ▲ Add | 4 | SEC ↗ ×2 |
| 5 | Norges Bank ✦ (passive) | 14.40M | -17.6% | $1.25B | 0.2% | ▼ Trim | 4 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 6.35M | -3.1% | $551.34M | 0.1% | ▼ Trim | 4 | SEC ↗ ×2 |
| 7 | Wellington Management ✦ | 2.69M | -9.8% | $233.72M | 0.0% | ▼ Trim | 4 | SEC ↗ ×7 |
| 8 | Millennium Management ✦ | 2.00M | +1010.5% | $173.45M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 9 | Adage Capital Partners ✦ | 1.17M | -5.6% | $101.74M | 0.2% | ▼ Trim | 4 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 1.11M | -45.3% | $96.54M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 11 | Marshall Wace ✦ | 591.24K | +80.5% | $51.37M | 0.1% | ▲ Add | 4 | SEC ↗ ×2 |
| 12 | Appaloosa ✦ | 400.00K | -66.7% | $34.76M | 0.6% | ▼ Trim | 4 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 167.30K | -64.5% | $14.23M | 0.0% | ▼ Trim | 4 | SEC ↗ ×5 |
| 14 | D. E. Shaw & Co. ✦ | 162.50K | -96.1% | $14.12M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 15 | Gotham Asset Management ✦ | 133.56K | +12.6% | $11.60M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 16 | Fairfax Financial ✦ | 80.00K | 0.0% | $6.95M | 0.4% | Held | 4 | SEC ↗ |
| 17 | Fisher Asset Management ✦ | 49.78K | 0.0% | $4.33M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 18 | Two Sigma Investments ✦ | 25.80K | -19.6% | $2.24M | 0.0% | ▼ Trim | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Altimeter Capital | $51.72M | was 0.9% |
| Duquesne Family Office | $34.41M | was 1.0% |
| Renaissance Technologies | $17.25M | was 0.0% |
| Point72 Asset Management | $2.52M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 202 shares, $0 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 488 sh · $446,095
Officer · 160 sh · $150,197
Officer · 240 sh · $223,190
Officer · 120 sh · $109,860
Officer · 200 sh · $185,434
Officer · 200 sh · $183,872
Officer · 160 sh · $149,448
Officer · 280 sh · $262,539
Officer · 240 sh · $226,514
Officer · 40 sh · $37,892
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology