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Who Owns Monolithic Power Systems Inc

Every manager with more than $100m in listed equities files a 13F each quarter naming what they hold. These are the ones reporting a position in Monolithic Power Systems Inc.

Who crossed 5% of MPWR →
Managers holding
37
as of 2026-09-30
Reported value
$267.8M
summed across filings
Shares held
198.7K
Added vs trimmed
12 / 13
since each filer's last quarter

Positions as of 2026-09-30

Largest first. The move is against the previous quarter that manager filed, not the previous calendar quarter.

ManagerValue
ZEVENBERGEN CAPITAL INVESTMENTS LLCCOM74.7K shtrimmed$100.7M
CONGRESS ASSET MANAGEMENT COCOM74.4K shtrimmed$100.2M
PARK NATIONAL CORP /OH/Com16.1K shtrimmed$21.7M
Mn Services Vermogensbeheer B.V.COM13.7K shheld$18.4M
SAPIENT CAPITAL LLCCOM6.5K shtrimmed$8.7M
GAMMA Investing LLCCommon Stock2.3K shadded$3.1M
Wedmont Private CapitalCOM2K shadded$2.7M
Westwind CapitalStock1.3K sh—$1.8M
MOODY NATIONAL BANK TRUST DIVISIONCOM1.2K shtrimmed$1.6M
Green Alpha Advisors, LLCCOM793 shadded$1.1M
Farther Finance Advisors, LLCStock779 shtrimmed$1M
Valeo Financial Advisors, LLCStock702 shadded$945.9K
Central Pacific Bank - Trust DivisionCOM659 shtrimmed$887.8K
Whalen Wealth Management Inc.COM650 shadded$875.6K
Legacy Wealth Asset Management, LLCCOM456 shtrimmed$614.3K
AMERICAN NATIONAL BANK & TRUSTCOM380 shtrimmed$511.9K
CoreCap Advisors, LLCStock354 shtrimmed$478.3K
ARGENT CAPITAL MANAGEMENT LLCCOM271 shtrimmed$365.1K
MassMutual Private Wealth & Trust, FSBCommon / Ordinary Stock230 shtrimmed$309.9K
Graves Light Lenhart Wealth, Inc.COM206 shheld$277.4K
Balefire, LLCCOM199 shadded$268.1K
FERGUSON WELLMAN CAPITAL MANAGEMENT, INCCOM190 shheld$256K
Avidian Wealth Enterprises, LLCCOM185 shadded$249.5K
Venture Visionary Partners LLCCOM173 sh—$233.7K
Everhart Financial Group, Inc.COM155 shtrimmed$208.8K
EASTERN BANKCOM108 shadded$145.5K
GK Wealth Management LLCCOM32 sh—$43.1K
ARMSTRONG ADVISORY GROUP, INCCOM20 shadded$27.2K
ELEVATION WEALTH PARTNERS, LLCCOM16 shadded$21.6K
Marquette Asset Management, LLCCOM10 shheld$13.5K
Retirement Wealth Solutions LLCCOM5 shadded$6.7K
Grove Bank & TrustCOM3 shheld$4K
GILPIN WEALTH MANAGEMENT, LLCCOM2 sh—$2.7K
TOTH FINANCIAL ADVISORY CORPCOM2 sh—$2.7K
Wealth Enhancement Trust Services, Inc.COM2 shadded$2.7K
Davis Capital ManagementStock1 shheld$1.3K
Trust CoStock1 shheld$1.3K

Source: quarterly 13F filings, via EDGAR. A 13F reports positions by CUSIP alone; each CUSIP here has been confirmed against OpenFIGI rather than matched by name, because a name match would attribute one company's shareholders to another. Positions are as of quarter end and can be months old by the time they are filed, and 13F covers long equity positions only — not shorts, and not most debt. The summed value is what these filers reported, not the company's institutional ownership.

More on MPWR

Company overviewEverything on MPWR in one place, with the price.SEC filingsWhat MPWR's 8-Ks say happened: results, departures, auditor changes.Insider tradingWhat MPWR's own officers and directors buy and sell.Planned salesSales MPWR insiders have filed notice of.Executive payWhat MPWR awarded its chief executive, and what it became.Funds holding itWhich funds and ETFs hold MPWR, and how big a bet.PatentsWhat MPWR is filing at the patent office.

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