Security record · archived quarter
SIMO
Silicon Motion Technology Corporation · Technology · Semiconductors
17Tracked holders
-1Δ holders
6.28MShares held
$595.70MReported value
+0New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth -5.6% ·
share flow +1.9% ·
net new positions -5.9%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
| 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 | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 3.40M | +23.9% | $322.20M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 3.40M | +23.9% | $322.20M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 3.40M | +23.9% | $322.20M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 3.40M | +23.9% | $322.20M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Point72 Asset Management ✦ | 700.05K | -34.2% | $66.37M | 0.2% | ▼ Trim | 6 | SEC ↗ |
| 6 | Wellington Management ✦ | 695.96K | -18.1% | $65.98M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 7 | Wellington Management ✦ | 695.96K | -18.1% | $65.98M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 8 | Wellington Management ✦ | 695.96K | -18.1% | $65.98M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 9 | Wellington Management ✦ | 695.96K | -18.1% | $65.98M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 10 | Adage Capital Partners ✦ | 446.17K | -25.2% | $42.30M | 0.1% | ▼ Trim | 6 | SEC ↗ |
| 11 | Millennium Management ✦ | 213.19K | +70.5% | $20.21M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 12 | Morgan Stanley ✦ | 178.15K | — | $16.89M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | Morgan Stanley ✦ | 178.15K | — | $16.89M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | Morgan Stanley ✦ | 178.15K | — | $16.89M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | Morgan Stanley ✦ | 178.15K | — | $16.89M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Morgan Stanley ✦ | 178.15K | — | $16.89M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Morgan Stanley ✦ | 178.15K | — | $16.89M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | Morgan Stanley ✦ | 178.15K | — | $16.89M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Arrowstreet Capital ✦ | 86.31K | +16.6% | $8.18M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | State Street Global Advisors ✦ (passive) | 80.22K | +41.9% | $7.61M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 78.88K | +35.3% | $7.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 78.88K | +35.3% | $7.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 23 | BlackRock ✦ (passive) | 78.88K | +35.3% | $7.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | D. E. Shaw & Co. ✦ | 78.57K | -23.3% | $7.45M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 25 | Two Sigma Investments ✦ | 77.36K | +280.2% | $7.33M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 26 | Citadel Advisors ✦ | 72.75K | -39.2% | $6.90M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 27 | Marshall Wace ✦ | 55.41K | +30.5% | $5.25M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 28 | Marshall Wace ✦ | 55.41K | +30.5% | $5.25M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 29 | Geode Capital Management ✦ (passive) | 41.42K | +9.6% | $3.93M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 30 | Goldman Sachs Group ✦ | 40.40K | — | $3.83M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | GAMCO Investors ✦ | 22.59K | -13.9% | $2.14M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 32 | JPMorgan Chase ✦ | 17.27K | — | $1.64M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | JPMorgan Chase ✦ | 17.27K | — | $1.64M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | JPMorgan Chase ✦ | 17.27K | — | $1.64M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | JPMorgan Chase ✦ | 17.27K | — | $1.64M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 17.27K | — | $1.64M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | JPMorgan Chase ✦ | 17.27K | — | $1.64M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 17.27K | — | $1.64M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 17.27K | — | $1.64M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 17.27K | — | $1.64M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 17.27K | — | $1.64M | 0.0% | n/c | 1 | 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
| Renaissance Technologies | $864,455 | was 0.0% |
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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q3 2025 ·
Methodology ·
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