Silicon Motion Technology CORP
SIMO- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001329394
No open-market purchases or sales by Silicon Motion Technology CORP insiders were filed in the last 90 days; 385 institutions reported holding it in 13F filings for Q2 2026, worth $8.23B in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q3 2025
Institutional positions in Silicon Motion Technology CORP as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 220
- +9 vs. Q2 2025
- Shares held
- 27.4M
- −1.03M (−3.6%) vs. Q2 2025
- Total value
- $2.60B
- +$462.4M (+21.6%) vs. Q2 2025
- New holders
- 40
- 69 more added
- Sold out
- 31
- 79 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SIMO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 385 | $8.23B |
| Q1 2026 | 275 | $3.05B |
| Q4 2025 | 241 | $2.54B |
| Q3 2025 | 220 | $2.60B |
| Q2 2025 | 212 | $2.14B |
| Q1 2025 | 190 | $1.40B |
| Q4 2024 | 202 | $1.47B |
| Q3 2024 | 202 | $1.63B |
| Q2 2024 | 234 | $2.21B |
| Q1 2024 | 211 | $1.99B |
| Q4 2023 | 204 | $1.64B |
| Q3 2023 | 194 | $1.32B |
| Q2 2023 | 201 | $1.71B |
| Q1 2023 | 196 | $1.58B |
| Q4 2022 | 197 | $1.61B |
| Q3 2022 | 201 | $1.63B |
| Q2 2022 | 219 | $2.12B |
| Q1 2022 | 212 | $1.66B |
| Q4 2021 | 226 | $2.56B |
| Q3 2021 | 205 | $1.88B |
| Q2 2021 | 196 | $1.72B |
| Q1 2021 | 212 | $1.57B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Silicon Motion Technology CORP; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Robeco Institutional Asset Management B.V. | 442,747 | $42.0M | 0.06% | +135,627+44.2% | Added |
| Adage Capital Partners GP, L.L.C. | 446,166 | $42.3M | 0.07% | −150,748−25.3% | Reduced |
| Neumeier Poma Investment Counsel LLC | 478,463 | $45.4M | 3.71% | +46,208+10.7% | Added |
| Manufacturers Life Insurance Company, The | 505,134 | $47.9M | 0.04% | −141,779−21.9% | Reduced |
| Ophir Asset Management Pty Ltd | 505,462 | $47.9M | 5.92% | +140,893+38.6% | Added |
| Boston Partners | 539,416 | $51.1M | 0.05% | −196,181−26.7% | Reduced |
| Summit Partners Public Asset Management, LLC | 558,005 | $52.9M | 1.72% | +44,068+8.6% | Added |
| Massachusetts Financial Services Co | 586,655 | $55.6M | 0.02% | −155,723−21.0% | Reduced |
| Systematic Financial Management LP | 588,317 | $55.8M | 1.36% | −9,155−1.5% | Reduced |
| Erste Asset Management GmbH | 664,000 | $62.3M | 0.60% | 00.0% | Unchanged |
| Wellington Management Group LLP | 695,956 | $66.0M | 0.01% | −154,044−18.1% | Reduced |
| Point72 Asset Management, L.P. | 700,048 | $66.4M | 0.14% | −364,354−34.2% | Reduced |
| Lazard Asset Management LLC | 783,663 | $74.3M | 0.10% | +17,741+2.3% | Added |
| Invesco Ltd. | 905,910 | $85.9M | 0.01% | −390.0% | Reduced |
| Frontier Capital Management Co LLC | 1,043,094 | $98.9M | 0.89% | −238,021−18.6% | Reduced |
| Lord, Abbett & Co. LLC | 1,134,684 | $107.6M | 0.32% | −113,842−9.1% | Reduced |
| Pertento Partners LLP | 1,290,409 | $122.3M | 14.90% | +31,405+2.5% | Added |
| Acadian Asset Management LLC | 1,301,666 | $123.4M | 0.22% | −8,687−0.7% | Reduced |
| Reinhart Partners, Inc. | 1,500,934 | $142.3M | 4.63% | +29,351+2.0% | Added |
| FMR LLC | 3,398,359 | $322.2M | 0.02% | +654,346+23.8% | Added |
| SG Capital Management LLC | 0 | $0 | 0.00% | −113,851−100.0% | Sold out |
| Taconic Capital Advisors LP | 0 | $0 | 0.00% | −87,884−100.0% | Sold out |
| Capitolis Liquid Global Markets LLC | 0 | $0 | 0.00% | −57,500−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −50,667−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −45,000−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −42,527−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −23,678−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −21,731−100.0% | Sold out |
| Manatuck Hill Partners, LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Gabelli & Co Investment Advisers, Inc. | 0 | $0 | 0.00% | −16,709−100.0% | Sold out |
| Gabelli Funds LLC | 0 | $0 | 0.00% | −16,462−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −16,277−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −11,500−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −10,032−100.0% | Sold out |
| Credit Industriel Et Commercial | 0 | $0 | 0.00% | −10,006−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −6,818−100.0% | Sold out |
| Black Maple Capital Management LP | 0 | $0 | 0.00% | −5,045−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −3,746−100.0% | Sold out |
| Mount Yale Investment Advisors, LLC | 0 | $0 | 0.00% | −3,504−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −1,433−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −1,001−100.0% | Sold out |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −900−100.0% | Sold out |
| Opal Wealth Advisors, LLC | 0 | $0 | 0.00% | −292−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −221−100.0% | Sold out |
| Whittier Trust Co | 0 | $0 | 0.00% | −140−100.0% | Sold out |
| Total Investment Management Inc | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −99−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −48−100.0% | Sold out |
| Kilter Group LLC | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| First Horizon Advisors, Inc. | – | – | – | – | Not filed |