// company-profile

Silicon Motion Technology CORP

SIMOExchange: NasdaqSector: Semiconductors & Related DevicesInc.: E9Filings: 1Insiders: 1

// activity-summary

Recent insider activity is bearish. Over the last 30 days, insiders net sold $368K across 1 transaction.

// 90-day insight

Over the last 90 days, Silicon Motion Technology CORP insiders sold $368K across 1 transaction with no open-market purchases.

  • Most active insider: DUANN SHII TYNG with 1 transaction totaling $368K.
  • Largest single sale: $368K by DUANN SHII TYNG on May 6, 2026.

Activity skews bearish — sales outpace buys.

Institutional Ownership

Top 13F-HR holders of Silicon Motion Technology CORP as of 2026-03-31

↑ increasing
Total reported AUM
$2.82B
QoQ change
+20.9%
Reporting period
2026-03-31
#1
FMR LLC
CIK 315066
$332.2M
3.0M shares
#2
REINHART PARTNERS, LLC.
CIK 1080298
$147.6M
1.3M shares
#3
HAWK RIDGE CAPITAL MANAGEMENT LP
CIK 1609074
$131.8M
1.2M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
May 6, 2026DUANN SHII TYNGSIMO
Sale
1,500$245.00$368K

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