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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

MPWR

MONOLITHIC POWER SYSTEMS INC

Superinvestors

Institutional investors holding MPWR

Consensus →
InvestorFundWeightSharesValueQuarter
Torray FundsTorray Investment Partners0.59%3,707$4.1M2026Q1
Polen Capital ManagementPolen Capital Management0.01%2,442$2.0M2024Q2
Kenneth FisherFisher Asset Management0.00%212$232K2026Q1

Congressional Activity

Congressional data coming soon

Insider Activity

18

Total trades

$20.5M

Volume

0

Buys

18

Sells

Last trade: May 18, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
May 18, 2026Robert W Dean IISell$6K
Apr 8, 2026Saria TsengSell$709K

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.

Apr 8, 2026
Saria Tseng
Sell
$457K
Apr 8, 2026Saria TsengSell$307K
Apr 8, 2026Saria TsengSell$154K
Apr 8, 2026Saria TsengSell$517K
Apr 8, 2026Saria TsengSell$1.0M
Apr 8, 2026Saria TsengSell$1.7M
Apr 8, 2026Saria TsengSell$5.6M
Apr 8, 2026Saria TsengSell$1.1M
Apr 6, 2026Saria TsengSell$278K
Apr 6, 2026Saria TsengSell$636K
Apr 6, 2026Saria TsengSell$552K
Apr 6, 2026Saria TsengSell$649K
Apr 6, 2026Saria TsengSell$797K
Apr 6, 2026Saria TsengSell$2.4M
Apr 6, 2026Saria TsengSell$2.0M
Apr 6, 2026Saria TsengSell$1.6M