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Disclosery

MPWR MONOLITHIC PWR SYS INC

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Stock (common), issuer CIK 1280452

958 managers (984 13F filers) reported a position in MPWR shares at 2025-09-30, 46,836,663 shares in all. 153 filers opened a position and 75 filers sold out during the quarter.

Managers
958
13F filers
984
New
153
Added
361
Reduced
318
Sold out
75
Shares held by filers
46,836,663

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
PRIVATE TRUST CO NA82$75.5K0.01%-113F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.79$72.7K<0.01%+2313F-HRTimelineGroup
Sterling Capital Management LLC75$69K<0.01%013F-HRTimeline
IFP Advisors, Inc70$64.4K<0.01%+5613F-HR/ATimeline
TRUST CO OF TOLEDO NA /OH/66$60.8K0.01%013F-HRTimeline
DELTA ASSET MANAGEMENT LLC/TN65$59.8K0.01%013F-HRTimeline
Golden State Wealth Management, LLC64$58.9K0.01%013F-HRTimeline
AdvisorNet Financial, Inc62$57.1K<0.01%-313F-HRTimeline
FIRST HORIZON CORP60$55.2K<0.01%13F-HRTimeline
Pilgrim Partners Asia Pte Ltd60$55.2K0.02%13F-HRTimeline
Provenance Wealth Advisors, LLC60$55.2K0.01%new13F-HRTimeline
Geneos Wealth Management Inc.58$53.4K<0.01%-5013F-HRTimeline
Cornerstone Planning Group LLC45$48.9K0.01%+3813F-HRTimeline
Fourth Dimension Wealth, LLC49$45.1K0.02%013F-HRTimeline
Root Financial Partners, LLC46$42.3K<0.01%new13F-HRTimeline
GW&K Investment Management, LLC46$42K<0.01%+413F-HRTimeline
Tradewinds Capital Management, LLC44$40.5K0.01%013F-HRTimeline
Itau Unibanco Holding S.A.in group Itau Unibanco Holding S.A.43$39.6K<0.01%-313F-HRTimelineGroup
Legacy Wealth Managment, LLC/IDin group Legacy Wealth Managment, LLC/…42$38.7K0.02%+3613F-HRTimelineGroup
Rise Advisors, LLC41$38.1K0.01%+113F-HRTimeline
ARMSTRONG ADVISORY GROUP, INC41$37.9K<0.01%+2713F-HRTimeline
WPG Advisers, LLC41$37.7K0.03%013F-HRTimeline
HARBOUR INVESTMENTS, INC.37$34.1K<0.01%+1013F-HRTimeline
Bell Investment Advisors, Inc37$34.1K0.01%-113F-HRTimeline
Salomon & Ludwin, LLC36$33.1K<0.01%new13F-HRTimeline
Essential Partners LLC33$30.4K0.01%+413F-HRTimeline
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT…32$29.5K<0.01%new13F-HRTimeline
Covestor Ltd31$29K0.02%+113F-HRTimeline
PenderFund Capital Management Ltd.31$28.5K<0.01%+313F-HRTimeline
Solstein Capital, LLC31$28.5K0.01%013F-HRTimeline
WOLFF WIESE MAGANA LLC30$27.6K0.02%013F-HRTimeline
True Wealth Design, LLC29$26.5K0.01%+1113F-HRTimeline
SJS Investment Consulting Inc.28$25.8K<0.01%+2713F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…28$25.8K<0.01%013F-HRTimelineGroup
Arlington Trust Co LLCin group Arlington Trust Co LLC27$24.9K<0.01%013F-HRTimelineGroup
COUNTRY TRUST BANK26$23.9K<0.01%+213F-HRTimeline
Anchor Investment Management, LLC25$23K<0.01%013F-HRTimeline
Hemington Wealth Management26$23K<0.01%+413F-HRTimeline
Ulland Investment Advisors, LLC25$23K0.02%013F-HRTimeline
Financial Perspectives, Inc24$22.4K0.01%013F-HRTimeline
Tidemark, LLC24$22.1K0.01%-1613F-HRTimeline
Marshall & Sterling Wealth Advisors Inc.23$21.2K0.01%013F-HRTimeline
Clark Wealth Partners22$19.9K0.01%new13F-HRTimeline
Private Wealth Management Group, LLC21$19.3K0.01%-113F-HRTimeline
HARBOR INVESTMENT ADVISORY, LLC21$19.3K<0.01%013F-HRTimeline
Berbice Capital Management LLC20$18.4K0.01%013F-HRTimeline
AMERIFLEX GROUP, INC.20$18.4K0.01%new13F-HRTimeline
Westfuller Advisors, LLC19$17.7K0.01%new13F-HRTimeline
MORGAN DEMPSEY CAPITAL MANAGEMENT LLC19$17.5K0.01%013F-HRTimeline
Bogart Wealth, LLC19$17.5K<0.01%+213F-HRTimeline
REXFORD CAPITAL INC19$17.5K0.01%013F-HRTimeline
TCTC Holdings, LLCin group TCTC Holdings, LLC18$16.6K<0.01%013F-HRTimelineGroup
First Command Advisory Services, Inc.17$15.7K<0.01%+1613F-HRTimeline
Avion Wealth17$15K<0.01%+313F-HRTimeline
Sachetta, LLC16$14.7K0.01%+313F-HRTimeline
Imprint Wealth LLC16$14.7K0.05%13F-HRTimeline
JFS WEALTH ADVISORS, LLC15$13.8K<0.01%013F-HRTimeline
Physician Wealth Advisors, Inc.15$13.8K<0.01%+1313F-HRTimeline
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…15$12.9K<0.01%new13F-HRTimelineGroup
Pacific Center for Financial Services14$12.9K<0.01%013F-HRTimeline
HIGHLINE WEALTH PARTNERS LLC14$12.9K<0.01%013F-HRTimeline
North Capital, Inc.14$12.9K0.01%+213F-HRTimeline
Fortitude Family Office, LLC13$12K<0.01%013F-HRTimeline
CBIZ Investment Advisory Services, LLC12$11.1K<0.01%+213F-HRTimeline
ATWOOD & PALMER INC12$11K<0.01%013F-HRTimeline
WEBSTER BANK, N. A.12$11K<0.01%013F-HRTimeline
HALBERT HARGROVE GLOBAL ADVISORS, LLC12$11K<0.01%new13F-HRTimeline
Sunbelt Securities, Inc.12$11K<0.01%-413F-HRTimeline
EASTERN BANK11$10.1K<0.01%013F-HRTimeline
Cetera Trust Company, N.A11$10.1K0.01%013F-HRTimeline
Crewe Advisors LLC10$9.21K<0.01%new13F-HRTimeline
Howard Hughes Medical Institute10$9.21K0.01%013F-HRTimeline
BERKSHIRE CAPITAL HOLDINGS INC10$9.21K<0.01%013F-HRTimeline
TruNorth Capital Management, LLC10$9.21K<0.01%new13F-HRTimeline
IAG Wealth Partners, LLC10$9.21K<0.01%new13F-HRTimeline
Activest Wealth Management10$9.21K<0.01%+413F-HRTimeline
Sound Income Strategies, LLC9$8.81K<0.01%013F-HRTimeline
Financial Management Professionals, Inc.9$8.3K<0.01%013F-HRTimeline
SouthState Bank Corpin group SouthState Bank Corp9$8.29K<0.01%-1613F-HRTimelineGroup
LOGAN CAPITAL MANAGEMENT INC9$8.29K<0.01%013F-HRTimeline
Manchester Capital Management LLC9$8.29K<0.01%-13713F-HRTimeline
Asset Dedication, LLC9$8.29K<0.01%new13F-HRTimeline
Clearstead Trust, LLC9$8.29K<0.01%013F-HRTimeline
Financial Network Wealth Advisors LLC8$7.39K0.01%013F-HRTimeline
PROFFITT & GOODSON INC8$7.37K<0.01%+213F-HRTimeline
First Pacific Financial8$7.37K<0.01%013F-HRTimeline
Wealth Watch Advisors, INC8$7.37K<0.01%new13F-HRTimeline
CROWLEY WEALTH MANAGEMENT, INC.8$7.37K0.01%013F-HRTimeline
Quest 10 Wealth Builders, Inc.7$6.88K0.01%+713F-HRTimeline
JPL Wealth Management, LLC7$6.45K<0.01%new13F-HRTimeline
WealthCollab, LLC7$6.45K<0.01%013F-HRTimeline
Concord Wealth Partnersin group Concord Wealth Partners7$6.44K<0.01%013F-HRTimelineGroup
ORG Partners LLC7$6.44K<0.01%+413F-HRTimeline
Financial Gravity Asset Management, Inc.in group Financial Gravity Companies, …6$5.54K<0.01%13F-HRTimelineGroup
Mowery & Schoenfeld Wealth Management, …6$5.54K0.01%013F-HRTimeline
Pineridge Advisors LLC6$5.52K<0.01%+413F-HRTimeline
Westside Investment Management, Inc.6$5.5K<0.01%013F-HRTimeline
Hughes Financial Services, LLC5$4.88K<0.01%013F-HRTimeline
Cranbrook Wealth Management, LLC5$4.79K<0.01%013F-HRTimeline
Grey Fox Wealth Advisors, LLC5$4.7K<0.01%new13F-HRTimeline
PFS Partners, LLC5$4.61K<0.01%013F-HRTimeline
Prestige Wealth Management Group LLC5$4.61K<0.01%013F-HR/ATimeline
Marquette Asset Management, LLC5$4.6K<0.01%new13F-HRTimeline
HOEY INVESTMENTS, INC5$4.6K<0.01%013F-HRTimeline
Cape Investment Advisory, Inc.5$4.6K<0.01%new13F-HRTimeline
Kilter Group LLC5$4.6K<0.01%013F-HRTimeline
LANARK FINANCIAL, INC.5$4.6K<0.01%013F-HRTimeline
Altshuler Shaham Ltd5$4.6K<0.01%new13F-HRTimeline
Bruce G. Allen Investments, LLC5$4.6K<0.01%013F-HRTimeline
Abound Wealth Management5$4.25K<0.01%013F-HRTimeline
DiNuzzo Private Wealth, Inc.5$4.18K<0.01%013F-HRTimeline
Dunhill Financial, LLC4$4.1K<0.01%013F-HRTimeline
Cloud Capital Management, LLC5$4K<0.01%new13F-HRTimeline
Tortoise Investment Management, LLC4$3.68K<0.01%+113F-HRTimeline
State of Wyoming4$3.68K<0.01%013F-HRTimeline
Kozak & Associates, Inc.4$3.64K<0.01%013F-HRTimeline
Nova Wealth Management, Inc.3$3.17K<0.01%013F-HRTimeline
Capital Advisors, Ltd. LLC3$3K<0.01%013F-HRTimeline
CREATIVE FINANCIAL DESIGNS INC /ADV3$2.76K<0.01%013F-HRTimeline
ALBION FINANCIAL GROUP /UT3$2.76K<0.01%013F-HRTimeline
LONGFELLOW INVESTMENT MANAGEMENT CO LLC3$2.76K<0.01%013F-HRTimeline
Ancora Advisors LLCin group Ancora Advisors LLC3$2.76K<0.01%013F-HRTimelineGroup
Grove Bank & Trust3$2.76K<0.01%013F-HRTimeline
Advanced Portfolio Management, LLC3$2.76K0.01%new13F-HRTimeline
Principia Wealth Advisory, LLC3$2.76K<0.01%013F-HRTimeline
Crews Bank & Trust3$2.76K<0.01%013F-HRTimeline
Rialto Wealth Management, LLC3$2.76K<0.01%+113F-HRTimeline
Mountain Hill Investment Partners Corp.3$2.76K<0.01%new13F-HRTimeline
Beaird Harris Wealth Management, LLC3$2.41K<0.01%new13F-HRTimeline
BROWN, LISLE/CUMMINGS, INC.3$2.39K<0.01%013F-HRTimeline
Trifecta Capital Advisors, LLC2$1.84K<0.01%013F-HRTimeline
ELEVATION WEALTH PARTNERS, LLC2$1.84K<0.01%new13F-HR/ATimeline
Bare Financial Services, Inc2$1.84K<0.01%+113F-HRTimeline
Retirement Wealth Solutions LLC2$1.84K<0.01%new13F-HRTimeline
RAFFA WEALTH MANAGEMENT, LLC2$1.84K<0.01%-1513F-HRTimeline
Princeton Global Asset Management LLC2$1.84K<0.01%013F-HRTimeline
Bay Harbor Wealth Management, LLC2$1.84K<0.01%013F-HRTimeline
Aspect Partners, LLC2$1.84K<0.01%new13F-HRTimeline
Binnacle Investments Inc2$1.84K<0.01%new13F-HRTimeline
Colonial Trust Co / SCin group Colonial Trust Advisors2$1.6K<0.01%013F-HRTimelineGroup
PEAK6 LLCin group PEAK6 LLC1$1.24K<0.01%013F-HR/ATimelineGroup
IMA Advisory Services, Inc.1$922<0.01%013F-HRTimeline
BARTLETT & CO. WEALTH MANAGEMENT LLC1$922<0.01%-513F-HRTimeline
Texas Capital Bancshares Inc/TX1$921<0.01%new13F-HRTimeline
North Star Investment Management Corp.1$921<0.01%new13F-HRTimeline
WestEnd Advisors, LLC1$921<0.01%new13F-HRTimeline
Palisade Asset Management, LLC1$921<0.01%new13F-HRTimeline
Hurley Capital, LLC1$921<0.01%new13F-HRTimeline
Quaker Wealth Management, LLC1$921<0.01%013F-HRTimeline
TFC Financial Management, Inc.1$921<0.01%013F-HRTimeline
Breakwater Investment Management1$921<0.01%new13F-HRTimeline
HFM Investment Advisors, LLC1$921<0.01%new13F-HRTimeline
DecisionPoint Financial, LLC1$916<0.01%013F-HRTimeline
Turning Point Benefit Group, Inc.1$915<0.01%new13F-HRTimeline
Strengthening Families & Communities, L…0$85<0.01%new13F-HRTimelineAmount filed as zero, left out of ratios.
Navigoe, LLC1$00%new13F-HRTimelineValue filed as zero, left out of ratios.
OGOREK ANTHONY JOSEPH /NY/ /ADV0$00%013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.
Erste Asset Management GmbHin group Erste Asset Management GmbH0$00%-1,81813F-HRTimelineGroupValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.