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Silicon Motion Technology CORP

SIMONASDAQ
$282.45+1.95 (+0.70% today)
Legend
Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds
bought vs sold
Greener markers show more buyers; redder markers show more sellers.
Company share activityNet buybacksNo changeNet dilution
Marker size reflects transaction size.
  • Insider buy
  • Insider sell
  • Congress buy
  • Congress sell
  • Hedge Funds bought vs sold
Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

  • Insider Buy
  • Insider Sell
  • Congress Buy
  • Congress Sell
  • Hedge funds bought vs sold
  • BuybackNo changeNet dilution

Silicon Motion Technology CORP price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+182.5%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding

Largest institutional holders

13F · Q2 2026
Fund% of company heldValue% of portfolioQuarterly activity
FMR LLC1.70%$759M0.03%Not reported
Acadian Asset Management LLC0.98%$439M0.52%Not reported
Invesco Ltd.0.85%$381M0.03%Not reported
Alkeon Capital Management LLC0.82%$367M0.50%New Not reported
Hawk Ridge Capital Management LP0.76%$338M10.85%Reduce 13.47%
Reinhart Partners, LLC.0.72%$322M7.35%Reduce 26.48%
Polar Capital Holdings Plc0.69%$310M0.73%New Not reported
Driehaus Capital Management LLC0.59%$262M1.52%Add 54.14%
Two Sigma Investments, LP0.52%$234M0.17%Not reported
Wolf Hill Capital Management, LP0.41%$183M15.30%Reduce 5.52%
Bahl & Gaynor LLC0.34%$151M0.70%Add 191.39%
Granahan Investment Management, LLC0.33%$149M5.29%Not reported
Arrowstreet Capital, Limited Partnership0.31%$139M0.06%Not reported
Lord, Abbett & Co. LLC0.28%$126M0.36%Reduce 60.72%
D. E. Shaw & Co., Inc.0.27%$121M0.06%Not reported
Analog Century Management LP0.27%$121M4.42%Reduce 32.71%
Systematic Financial Management LP0.26%$118M2.35%Reduce 30.10%
BIT Capital GmbH0.26%$116M3.45%New Not reported
Oberweis Asset Management Inc/0.24%$105M2.18%Add 11.96%
Robeco Institutional Asset Management B.V.0.22%$99.9M0.12%Reduce 52.55%
Marshall Wace, LLP0.22%$97.3M0.08%Not reported
Morgan Stanley0.22%$97.2M0.01%Not reported
Bank of America Corp0.21%$92.3M0.01%Not reported
Voya Investment Management LLC0.20%$91.7M0.08%Not reported
Schwartz Investment Counsel Inc0.20%$90M2.99%Reduce 10.00%
Summit Partners Public Asset Management, LLC0.20%$87.3M1.53%Reduce 42.63%
First Eagle Investment Management, LLC0.19%$83.8M0.07%Add 49.30%
Knightsbridge Asset Management, LLC0.16%$47.6M3.23%Add 91.11%
Massachusetts Financial Services Co0.15%$68.7M0.02%Reduce 2.54%
Highland Peak Capital, LLC0.15%$67.6M19.68%Reduce 54.36%
Russell Investments Group, Ltd.0.15%$66.6M0.06%Not reported
Alliancebernstein L.P.0.14%$21.7M0.01%Not reported
Wellington Management Group LLP0.14%$61.7M0.01%Reduce 39.12%
FengHe Fund Management Pte. Ltd.0.14%$60.5M5.74%New Not reported
UBS Group AG0.13%$60.1M0.01%Not reported
Millennium Management LLC0.13%$60M0.02%Not reported
Apis Capital Advisors, LLC0.13%$59.5M5.79%Reduce 28.41%
Neumeier Poma Investment Counsel LLC0.13%$58.8M4.03%Reduce 58.80%
Ophir Asset Management Pty Ltd0.13%$58.1M4.78%Reduce 51.17%
Loomis Sayles & Co L P0.12%$53.8M0.07%Reduce 14.43%
HERALD INVESTMENT MANAGEMENT Ltd0.11%$49.2M6.67%Reduce 59.83%
AIGH Capital Management LLC0.11%$48M3.03%Reduce 28.00%
Sei Investments Co0.11%$47.4M0.04%Not reported
Qube Research & Technologies Ltd0.10%$46.1M0.04%Not reported
Manufacturers Life Insurance Company, the0.10%$43.2M0.03%Not reported
Blair William & Co0.09%$41.7M0.11%Add 21.32%
Goldman Sachs Group Inc0.09%$41.6M0.00%Not reported
Northern Trust Corp0.09%$41.4M0.00%Not reported
Heartland Advisors Inc0.09%$41.3M1.84%Reduce 50.85%
Ratan Capital Management LP0.09%$39.2M12.65%New Not reported
50 of 368 holders

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