InsiderTrades.com logo

SIMO Insider Trading

Insider Ownership Percentage: 5.34%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $1,239,250.00

Silicon Motion Technology Insider Trading History Chart

This chart shows the insider buying and selling history at Silicon Motion Technology by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Silicon Motion Technology Share Price & Price History

Current Price: $283.26
Price Change: ▲ Price Increase of +14.26 (5.30%)
As of 09/22/2026 04:00 PM ET

This chart shows the closing price history over time for SIMO up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Silicon Motion Technology Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
6/18/2026Han-Ping ShiehDirectorSell1,000$328.00$328,000.007,500View SEC Filing Icon  
6/17/2026Kenneth Kuan-Ming LinDirectorSell2,000$305.00$610,000.008,500View SEC Filing Icon  
6/2/2026Han-Ping ShiehDirectorSell1,000$301.25$301,250.007,656View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Silicon Motion Technology (NASDAQ:SIMO)

78.02% of Silicon Motion Technology stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at SIMO by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Silicon Motion Technology Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/16/2026IKE Capital LLC1,235$0.41M0.2%N/A0.004%Search for SEC Filing on Google Icon
9/9/2026Tidal Investments LLC116,620$38.87M0.1%+135.9%0.344%Search for SEC Filing on Google Icon
9/9/2026Engineers Gate Manager LP1,315$0.44M0.0%-60.3%0.004%Search for SEC Filing on Google Icon
9/9/2026NewEdge Advisors LLC2,130$0.71M0.0%+190.6%0.006%Search for SEC Filing on Google Icon
9/9/2026IFP Advisors Inc486$0.16M0.0%N/A0.001%Search for SEC Filing on Google Icon
9/9/2026Baird Financial Group Inc.1,989$0.66M0.0%N/A0.006%Search for SEC Filing on Google Icon
9/8/2026Allworth Financial LP834$0.28M0.0%+26.4%0.002%Search for SEC Filing on Google Icon
9/8/2026Waverly Advisors LLC767$0.26M0.0%-58.1%0.002%Search for SEC Filing on Google Icon
8/27/2026Corient Private Wealth LP3,559$1.19M0.0%+35.8%0.010%Search for SEC Filing on Google Icon
8/22/2026TD Waterhouse Canada Inc.564$0.18M0.0%-40.1%0.002%Search for SEC Filing on Google Icon
8/21/2026XML Financial LLC1,225$0.41M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/20/2026Wedbush Securities Inc.4,508$1.50M0.0%-6.4%0.013%Search for SEC Filing on Google Icon
8/20/2026Greenleaf Trust950$0.32M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/19/2026Navellier & Associates Inc.28,019$9.34M0.7%N/A0.083%Search for SEC Filing on Google Icon
8/19/2026Wellington Management Group LLP185,251$61.75M0.0%-39.1%0.546%Search for SEC Filing on Google Icon
8/19/2026Archer Investment Corp1,186$0.40M0.1%N/A0.003%Search for SEC Filing on Google Icon
8/18/2026Public Employees Retirement System of Ohio35,330$11.78M0.0%N/A0.104%Search for SEC Filing on Google Icon
7/10/2026Handelsbanken Fonder AB11,300$3.77M0.0%-12.4%0.033%Search for SEC Filing on Google Icon
7/9/2026Legacy Wealth Asset Management LLC4,496$1.50M0.3%+92.3%0.013%Search for SEC Filing on Google Icon
7/8/2026Reinhart Partners LLC.966,060$322.02M7.4%-26.5%2.849%Search for SEC Filing on Google Icon
7/8/2026UNICOM Systems Inc.41,200$13.73M0.9%N/A0.121%Search for SEC Filing on Google Icon
7/8/2026Strategic Investment Solutions Inc. IL263$88K0.0%N/A0.001%Search for SEC Filing on Google Icon
7/7/2026Foster Group Inc.921$0.31M0.0%N/A0.003%Search for SEC Filing on Google Icon
7/7/2026Mirador Capital Partners LP8,724$2.91M0.4%N/A0.026%Search for SEC Filing on Google Icon
7/7/2026GAMMA Investing LLC1,142$0.38M0.0%-8.8%0.003%Search for SEC Filing on Google Icon
7/7/2026Canandaigua National Bank & Trust Co.1,448$0.48M0.0%N/A0.004%Search for SEC Filing on Google Icon
7/7/2026Financial Enhancement Group LLC800$0.27M0.0%N/A0.002%Search for SEC Filing on Google Icon
7/7/2026Moody National Bank Trust Division21,150$7.05M0.6%N/A0.062%Search for SEC Filing on Google Icon
7/7/2026Cooper Investors PTY Ltd.103$34K0.0%N/A0.000%Search for SEC Filing on Google Icon
6/18/2026Pacer Advisors Inc.4,226$0.48M0.0%+25.9%0.012%Search for SEC Filing on Google Icon
5/29/2026Prospect Capital Advisors LLC82,240$9.24M5.1%-6.9%0.243%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE244,387$27.44M0.0%+33.2%0.721%Search for SEC Filing on Google Icon
5/19/2026Oddo BHF Asset Management Sas60,000$6.74M0.3%-68.8%0.177%Search for SEC Filing on Google Icon
5/19/2026Arkadios Wealth Advisors4,271$0.48M0.0%-1.3%0.013%Search for SEC Filing on Google Icon
5/18/2026EverSource Wealth Advisors LLC1,159$0.13M0.0%+78.9%0.003%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada49,037$5.51M0.0%+4.5%0.145%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company157,665$17.70M0.0%-56.8%0.465%Search for SEC Filing on Google Icon
5/16/2026Hawk Ridge Capital Management LP1,173,315$131.75M4.8%+48.9%3.460%Search for SEC Filing on Google Icon
5/16/2026Maverick Capital Ltd.7,369$0.83M0.0%N/A0.022%Search for SEC Filing on Google Icon
5/16/2026Quantinno Capital Management LP1,885$0.21M0.0%N/A0.006%Search for SEC Filing on Google Icon
5/16/2026Polar Asset Management Partners Inc.28,218$3.17M0.1%N/A0.083%Search for SEC Filing on Google Icon
5/16/2026SummitTX Capital L.P.24,361$2.74M0.1%-62.0%0.072%Search for SEC Filing on Google Icon
5/16/2026Lazard Asset Management LLC781,981$87.81M0.1%+3.1%2.306%Search for SEC Filing on Google Icon
5/15/2026Gateway Wealth Partners LLC3,946$0.44M0.0%N/A0.012%Search for SEC Filing on Google Icon
5/15/2026Waverly Advisors LLC1,829$0.21M0.0%N/A0.005%Search for SEC Filing on Google Icon
5/15/2026Granahan Investment Management LLC195,252$21.93M1.1%-14.8%0.576%Search for SEC Filing on Google Icon
5/15/2026Entropy Technologies LP9,895$1.11M0.1%+49.9%0.029%Search for SEC Filing on Google Icon
5/14/2026Public Employees Retirement System of Ohio46,978$5.28M0.0%+14.2%0.139%Search for SEC Filing on Google Icon
5/14/2026Arrowstreet Capital Limited Partnership425,697$47.80M0.0%+112.3%1.255%Search for SEC Filing on Google Icon
5/14/2026Oak Associates Ltd. OH25,464$2.86M0.2%-21.1%0.075%Search for SEC Filing on Google Icon
5/14/2026Aspen Grove Capital LLC1,997$0.22M0.0%-20.3%0.006%Search for SEC Filing on Google Icon
5/14/2026Systematic Financial Management LP506,725$56.90M1.3%-13.1%1.494%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.109,073$12.25M0.0%+14.3%0.322%Search for SEC Filing on Google Icon
5/14/2026State of Wyoming6,310$0.71M0.1%+25.1%0.019%Search for SEC Filing on Google Icon
5/13/2026Cetera Investment Advisers3,375$0.38M0.0%+40.0%0.010%Search for SEC Filing on Google Icon
5/13/2026NewEdge Wealth LLC3,018$0.34M0.0%+14.7%0.009%Search for SEC Filing on Google Icon
5/13/2026First Trust Advisors LP28,590$3.21M0.0%-31.5%0.084%Search for SEC Filing on Google Icon
5/12/2026Chase Investment Counsel Corp28,472$3.20M0.8%N/A0.084%Search for SEC Filing on Google Icon
5/12/2026ABN Amro Investment Solutions73,116$8.21M0.1%-31.6%0.216%Search for SEC Filing on Google Icon
5/8/2026PNC Financial Services Group Inc.4,098$0.46M0.0%-22.7%0.012%Search for SEC Filing on Google Icon
5/7/2026Parallel Advisors LLC1,478$0.17M0.0%+106.7%0.004%Search for SEC Filing on Google Icon
5/7/2026Heartland Advisors Inc.252,084$28.31M1.4%-7.5%0.742%Search for SEC Filing on Google Icon
5/6/2026Assetmark Inc.2,814$0.32M0.0%+2.3%0.008%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp3,679$0.41M0.0%-12.7%0.011%Search for SEC Filing on Google Icon
5/5/2026Sanctuary Advisors LLC3,506$0.39M0.0%-19.0%0.010%Search for SEC Filing on Google Icon
5/4/2026Calamos Advisors LLC23,923$2.69M0.0%N/A0.070%Search for SEC Filing on Google Icon
5/4/2026Schwartz Investment Counsel Inc.300,000$33.69M1.2%+36.4%0.883%Search for SEC Filing on Google Icon
5/1/2026Kornitzer Capital Management Inc. KS42,985$4.83M0.1%N/A0.126%Search for SEC Filing on Google Icon
4/30/2026AIGH Capital Management LLC200,000$22.46M3.1%N/A0.589%Search for SEC Filing on Google Icon
4/29/2026West Tower Group LLC8,953$1.01M3.1%-27.2%0.026%Search for SEC Filing on Google Icon
4/28/2026Hardy Reed LLC5,010$0.56M0.0%+3.4%0.015%Search for SEC Filing on Google Icon
4/27/2026Y Intercept Hong Kong Ltd39,350$4.42M0.1%+321.8%0.116%Search for SEC Filing on Google Icon
4/27/2026Elevation Point Wealth Partners LLC4,420$0.50M0.0%N/A0.013%Search for SEC Filing on Google Icon
4/22/2026Patriot Financial Group Insurance Agency LLC6,560$0.74M0.0%+119.8%0.019%Search for SEC Filing on Google Icon
4/22/2026Skylands Capital LLC49,169$5.52M0.7%-7.6%0.145%Search for SEC Filing on Google Icon
4/22/2026Janney Montgomery Scott LLC72,965$8.19M0.0%-17.8%0.215%Search for SEC Filing on Google Icon
4/20/2026Brian Low Financial Group LLC10,495$1.18M0.8%+11.6%0.031%Search for SEC Filing on Google Icon
4/20/2026Blue Trust Inc.1,041$0.12M0.0%-44.9%0.003%Search for SEC Filing on Google Icon
4/18/2026HHM Wealth Advisors LLC550$62K0.0%-14.1%0.002%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC2,172$0.24M0.0%-86.7%0.006%Search for SEC Filing on Google Icon
3/17/2026Rockefeller Capital Management L.P.6,068$0.56M0.0%+25.4%0.018%Search for SEC Filing on Google Icon
3/9/2026Corient Private Wealth LLC3,036$0.28M0.0%-10.5%0.009%Search for SEC Filing on Google Icon
2/24/2026Pacer Advisors Inc.3,357$0.31M0.0%+80.0%0.010%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.632,105$58.60M0.0%-30.2%1.860%Search for SEC Filing on Google Icon
2/19/2026Corient Private Wealth LLC3,036$0.28M0.0%-10.5%0.009%Search for SEC Filing on Google Icon
2/18/2026Vident Advisory LLC26,452$2.45M0.0%-6.0%0.078%Search for SEC Filing on Google Icon
2/18/2026NewEdge Advisors LLC733$68K0.0%-12.1%0.002%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd31,855$2.95M0.1%N/A0.094%Search for SEC Filing on Google Icon
2/18/2026Voloridge Investment Management LLC112,458$10.43M0.0%N/A0.331%Search for SEC Filing on Google Icon
2/18/2026Wellington Management Group LLP696,999$64.61M0.0%+0.1%2.051%Search for SEC Filing on Google Icon
2/18/2026SummitTX Capital L.P.64,069$5.94M0.2%-34.7%0.189%Search for SEC Filing on Google Icon
2/18/2026Sora Investors LLC128,221$11.89M1.0%+79.2%0.377%Search for SEC Filing on Google Icon
2/18/2026Numerai GP LLC2,309$0.21M0.0%N/A0.007%Search for SEC Filing on Google Icon
2/18/2026Osterweis Capital Management Inc.56,335$5.22M0.2%+48.4%0.166%Search for SEC Filing on Google Icon
2/18/2026Ophir Asset Management Pty Ltd467,564$43.34M4.9%-7.5%1.376%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC147,030$13.63M0.0%-31.0%0.433%Search for SEC Filing on Google Icon
2/18/2026Man Group plc381,048$35.32M0.1%+820.7%1.121%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP8,494$0.79M0.0%N/A0.025%Search for SEC Filing on Google Icon
2/18/2026Capitolis Liquid Global Markets LLC83,900$7.78M0.0%N/A0.247%Search for SEC Filing on Google Icon
2/18/2026Clearline Capital LP132,911$12.32M0.6%-21.7%0.391%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Silicon Motion Technology logo
Silicon Motion Technology Corporation, together with its subsidiaries, designs, develops, and markets NAND flash controllers for solid-state storage devices. The company offers controllers for computing-grade solid state drives (SSDs), which are used in PCs and other client devices; enterprise-grade SSDs used in data centers; eMMC and UFS mobile embedded storage for use in smartphones and IoT devices; flash memory cards and flash drives for use in expandable storage; and specialized SSDs that are used in industrial, commercial, and automotive applications. It markets its controllers under the SMI brand; enterprise-grade SSDs under the Shannon Systems brand; and single-chip industrial-grade SSDs under the FerriSSD, Ferri-eMMC, and Ferri-UFS brands. The company markets and sells its products through direct sales personnel and independent electronics distributors to NAND flash makers, module makers, hyperscalers, and OEMs. It operates in Taiwan, the United States, Korea, China, Malaysia, Singapore, and internationally. The company was founded in 1995 and is based in Hong Kong, Hong Kong.
Read More on Silicon Motion Technology

Today's Range

Now: $283.26
Low: $265.60
High: $287.37

50 Day Range

MA: $255.69
Low: $209.68
High: $293.40

52 Week Range

Now: $283.26
Low: $79.76
High: $355.00

Volume

1,228,519 shs

Average Volume

752,932 shs

Market Capitalization

$9.61 billion

P/E Ratio

33.21

Dividend Yield

0.74%

Beta

1.71

Who are the company insiders with the largest holdings of Silicon Motion Technology?

Silicon Motion Technology's top insider shareholders include:
  1. Kuan-Ming Lin (Director)
  2. Han-Ping Shieh (Director)
Learn More about top insider investors at Silicon Motion Technology.

Who are the major institutional investors of Silicon Motion Technology?

Silicon Motion Technology's top institutional shareholders include:
  1. Reinhart Partners LLC. — 2.85%
  2. Wellington Management Group LLP — 0.55%
  3. Tidal Investments LLC — 0.34%
  4. UNICOM Systems Inc. — 0.12%
  5. Public Employees Retirement System of Ohio — 0.10%
  6. Navellier & Associates Inc. — 0.08%
Learn More about top institutional investors of Silicon Motion Technology stock.

Which major investors are selling Silicon Motion Technology stock?

During the last quarter, SIMO stock was sold by these institutional investors:
  1. Reinhart Partners LLC.
  2. Wellington Management Group LLP
  3. Engineers Gate Manager LP
  4. Handelsbanken Fonder AB
  5. Waverly Advisors LLC
  6. TD Waterhouse Canada Inc.
  7. Wedbush Securities Inc.
  8. GAMMA Investing LLC
In the previous year, company insiders that have sold Silicon Motion Technology company stock include:
  1. Kuan-Ming Lin (Director)
  2. Han-Ping Shieh (Director)
Learn More investors selling Silicon Motion Technology stock.

Which major investors are buying Silicon Motion Technology stock?

In the last quarter, SIMO stock was acquired by institutional investors including:
  1. Tidal Investments LLC
  2. UNICOM Systems Inc.
  3. Public Employees Retirement System of Ohio
  4. Navellier & Associates Inc.
  5. Globeflex Capital L P
  6. Moody National Bank Trust Division
  7. Mirador Capital Partners LP
  8. Legacy Wealth Asset Management LLC

Silicon Motion Technology Active Insiders

Han-Ping Shieh
Director
2 recent trades
Kuan-Ming Lin
Director
1 recent trades