MU
Micron Technology, Inc. · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth -4.8% ·
share flow +5.3% ·
net new positions -5.0%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| 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 | The Vanguard Group ✦ (passive) | 103.88M | n/a | $12.80B | 0.2% | n/c | 1 | SEC ↗ ×6 |
| 2 | BlackRock ✦ (passive) | 92.13M | n/a | $11.35B | 0.2% | n/c | 1 | SEC ↗ ×23 |
| 3 | Capital World Investors ✦ | 70.81M | +30.4% | $8.73B | 1.3% | ▲ Add | 5 | SEC ↗ |
| 4 | State Street Global Advisors ✦ (passive) | 51.37M | +2.7% | $6.33B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 5 | Fidelity (FMR) ✦ | 41.75M | n/a | $5.15B | 0.3% | n/c | 1 | SEC ↗ ×6 |
| 6 | PRIMECAP Management ✦ | 31.47M | -15.6% | $3.88B | 3.1% | ▼ Trim | 5 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 25.69M | +1.2% | $3.15B | 0.2% | ▲ Add | 5 | SEC ↗ ×2 |
| 8 | Norges Bank ✦ (passive) | 16.07M | +11.6% | $1.98B | 0.2% | ▲ Add | 5 | SEC ↗ |
| 9 | D. E. Shaw & Co. ✦ | 7.36M | +4426.5% | $906.60M | 1.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 10 | Wellington Management ✦ | 5.96M | +121.7% | $734.85M | 0.1% | ▲ Add | 5 | SEC ↗ ×7 |
| 11 | T. Rowe Price ✦ | 5.34M | -15.8% | $658.63M | 0.1% | ▼ Trim | 5 | SEC ↗ ×2 |
| 12 | Adage Capital Partners ✦ | 1.18M | +1.1% | $145.87M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 13 | Citadel Advisors ✦ | 1.00M | -9.6% | $123.75M | 0.1% | ▼ Trim | 5 | SEC ↗ ×2 |
| 14 | Appaloosa ✦ | 825.00K | +106.2% | $101.68M | 1.6% | ▲ Add | 5 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 708.49K | +323.5% | $87.32M | 0.1% | ▲ Add | 5 | SEC ↗ ×8 |
| 16 | Two Sigma Investments ✦ | 524.82K | +1934.2% | $64.68M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 17 | Millennium Management ✦ | 323.35K | -83.8% | $39.85M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 18 | Gotham Asset Management ✦ | 270.70K | +102.7% | $33.36M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 19 | Marshall Wace ✦ | 217.70K | -63.2% | $26.83M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 20 | Fisher Asset Management ✦ | 48.94K | -1.7% | $6.03M | 0.0% | ▼ Trim | 5 | 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
| Fairfax Financial | $6.95M | was 0.4% |
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