SIMO
Silicon Motion Technology Corporation · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth +25.0% ·
share flow +20.3% ·
net new positions +20.0%
— formula
Broad accumulation — rising shares across more 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 | 97 | +16 | 11.93M | $3.93B | +20 | −5 |
| Q1 2026 | 83 | +8 | 12.24M | $1.37B | +13 | −5 |
| Q4 2025 | 74 | -1 | 11.65M | $1.08B | — | −1 |
| Q3 2025 | 17 | -1 | 6.28M | $595.70M | — | −1 |
| Q2 2025 | 15 | +3 | 5.93M | $445.74M | +3 | — |
| Q1 2025 | 10 | 0 | 2.13M | $107.46M | — | — |
| Q4 2024 | 10 | -3 | 2.89M | $156.33M | — | −3 |
| Q3 2024 | 12 | -1 | 4.13M | $211.99M | — | −1 |
| Q2 2024 | 13 | — | 4.05M | $328.38M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 2.74M | — | $206.27M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 2.74M | — | $206.27M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 2.74M | — | $206.27M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Point72 Asset Management ✦ | 1.06M | +959.5% | $80.01M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 5 | Wellington Management ✦ | 850.00K | +22.2% | $63.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | Wellington Management ✦ | 850.00K | +22.2% | $63.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | Wellington Management ✦ | 850.00K | +22.2% | $63.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | Wellington Management ✦ | 850.00K | +22.2% | $63.89M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | Adage Capital Partners ✦ | 596.91K | -7.6% | $44.87M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 10 | Millennium Management ✦ | 125.04K | -21.2% | $9.40M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | Citadel Advisors ✦ | 119.71K | -49.6% | $9.00M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 12 | D. E. Shaw & Co. ✦ | 102.50K | New | $7.70M | 0.0% | New | 1 | SEC ↗ |
| 13 | Arrowstreet Capital ✦ | 74.05K | New | $5.57M | 0.0% | New | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 58.30K | — | $4.38M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 58.30K | — | $4.38M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 58.30K | — | $4.38M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | State Street Global Advisors ✦ (passive) | 56.53K | -0.1% | $4.25M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | Marshall Wace ✦ | 42.46K | -5.3% | $3.19M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 19 | Marshall Wace ✦ | 42.46K | -5.3% | $3.19M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 20 | Geode Capital Management ✦ (passive) | 37.81K | +2.6% | $2.84M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 21 | GAMCO Investors ✦ | 26.23K | New | $1.97M | 0.0% | New | 1 | SEC ↗ |
| 22 | Two Sigma Investments ✦ | 20.35K | -77.7% | $1.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 23 | Renaissance Technologies ✦ | 11.50K | -80.1% | $864,455 | 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
| D. E. Shaw & Co. | $7.70M | 0.0% |
| Arrowstreet Capital | $5.57M | 0.0% |
| GAMCO Investors | $1.97M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 270 holders, 27.06M shares, $2.75B 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.