MPWR · Company research
Monolithic Power Systems, Inc. (MPWR): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
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Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| Park National Corporation | 805676 | Wed Sep 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16022 | 21585159000 | — | — | — | Oct 5, 2026 | SEC_13F_HR |
| Janney Montgomery Scott LLC | 1329948 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5262 | 7275 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Calydon Capital | 1759271 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 198 | 273707 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| FLOW TRADERS U.S. LLC | 1466697 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 464 | 641 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Westside Investment Management, Inc. | 1538383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2 | 2765 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| BOKF, NA | 9634 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8841 | 12221445 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| USA FINANCIAL FORMULAS | 1534358 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 46 | 63589 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| BOSTON FAMILY OFFICE LLC | 1039807 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6321 | 8738 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| AMERIPRISE FINANCIAL INC | 820027 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 55746 | 77061041 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| KLP KAPITALFORVALTNING AS | 1717443 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19100 | 26435546 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| NEUBERGER BERMAN GROUP LLC | 1465109 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 150021 | 207383372 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| AMALGAMATED BANK | 919192 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10111 | 13977 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| MACKENZIE FINANCIAL CORP | 919859 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18606 | 25720190 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 1021223 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 106061 | 146614484 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Police & Firemen's Retirement System of New Jersey | 2040686 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7098 | 9811991 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| GW&K Investment Management, LLC | 1082917 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 46 | 64 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| American Trust | 1905128 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 644 | 890240 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Argent Trust Co | 1625292 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 125 | 172795 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Vancity Investment Management Ltd | 1846311 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 470 | 650 | — | — | — | Aug 24, 2026 | SEC_13F_DATASET |
| Oslo Pensjonsforsikring AS | 1828808 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31 | 42853 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| Wahed Invest LLC | 1763146 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1147 | 1585567 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| AMERICAN NATIONAL BANK & TRUST | 1272164 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 399 | 551547 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| STRS OHIO | 820478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 54281 | 75035883 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| CX Institutional | 1737089 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 343 | 474 | — | — | — | Jul 2, 2026 | SEC_13F_DATASET |
| BERKSHIRE CAPITAL HOLDINGS INC | 1133742 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10 | 13824 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MetLife Investment Management, LLC | 1529735 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13069 | 18066063 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SIT INVESTMENT ASSOCIATES INC | 769317 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15491 | 21414 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| QUEST INVESTMENT MANAGEMENT LLC | 1036248 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5100 | 7050036 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CYBER HORNET ETFs LLC | 1818014 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 132 | 182472 | — | — | — | Aug 24, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15838 | 21925142 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| CIGNA INVESTMENTS INC /NEW | 49969 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 447 | 618 | — | — | — | Jul 21, 2026 | SEC_13F_DATASET |
| V-Square Quantitative Management LLC | 1943239 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 734 | 1014652 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| NEW YORK STATE COMMON RETIREMENT FUND | 810265 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50169 | 69351619 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| TrinityBridge Ltd | 1718570 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7 | 10 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| PARK NATIONAL CORP /OH/ | 805676 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21563 | 29807819 | — | — | — | Jul 15, 2026 | SEC_13F_DATASET |
| Bahl & Gaynor LLC | 872259 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4970 | 6870329 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| DANSKE BANK A/S | 800177 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21824 | 30168625 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Liontrust Investment Partners LLP | 1544204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 75786 | 104763535 | — | — | — | Aug 18, 2026 | SEC_13F_DATASET |
| Fulcrum Asset Management LLP | 1353395 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18 | 23630 | — | — | — | Aug 18, 2026 | SEC_13F_DATASET |
| Livforsakringsbolaget Skandia, Omsesidigt | 1547926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 295 | 407805 | — | — | — | Aug 18, 2026 | SEC_13F_DATASET |
| GF FUND MANAGEMENT CO. LTD. | 2057060 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9921 | 13714394 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| DNB Asset Management AS | 1456670 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24493 | 33858143 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| EMERALD ADVISERS, LLC | 1015083 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 514 | 710533 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Summit Creek Advisors LLC | 1333709 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 158 | 218413 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Pacer Advisors, Inc. | 1616667 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8525 | 11785 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | 1007280 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20129 | 27825524 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| FARMERS & MERCHANTS INVESTMENTS INC | 1259969 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 29 | 40088 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| Impax Asset Management Group plc | 1749768 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 63427 | 87678948 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| BRIDGES INVESTMENT MANAGEMENT INC | 1007295 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 447 | 617915 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Motley Fool Asset Management LLC | 1512814 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3957 | 5469999 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Strengthening Families & Communities, LLC | 1921196 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5 | 6912 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Corundum Group, Inc. | 1486083 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 160 | 221178 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Quantitative Investment Management, LLC | 1445911 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1421 | 1964 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Clearbridge Investments, LLC | 1348883 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12222 | 16895204 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| BAILLIE GIFFORD & CO | 1088875 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5 | 6912 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Basecamp Wealth Advisors LLC | 2115254 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 134 | 185319 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| E Fund Management (Hong Kong) Co., Ltd. | 1777469 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 271 | 374620 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| AMERICAN CAPITAL MANAGEMENT INC | 1320168 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5897 | 8151777 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PNC Financial Services Group, Inc. | 713676 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 683 | 943665 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| GREAT LAKES ADVISORS, LLC | 1078013 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1161 | 1604920 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| PRIVATE TRUST CO NA | 1277557 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 57 | 78795 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| SATURNA CAPITAL CORP | 1316617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6408 | 8858163 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Catalyst Funds Management Pty Ltd | 1896150 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10470 | 14473309 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| PANAGORA ASSET MANAGEMENT INC | 883677 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7068 | 9770520 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| IAG Wealth Partners, LLC | 1827261 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10 | 13824 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| AMERIFLEX GROUP, INC. | 2057637 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2 | 2765 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| E. Ohman J:or Asset Management AB | 2009396 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1647 | 2276747 | — | — | — | Jul 10, 2026 | SEC_13F_DATASET |
| Firsthand Capital Management, Inc. | 1476179 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 200 | 276472 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Covestor Ltd | 1909846 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 64 | 89 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO | 315297 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25202 | 34838 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 95963431 | 69420 | — | — | — | Aug 24, 2026 | SEC_13F_DATASET |
| Mitsubishi UFJ Trust & Banking Corp | 1462160 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21698 | 29994447 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| FIRST HORIZON CORP | 36966 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 95 | 131324 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| Pier Capital, LLC | 1310051 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5 | 6912 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Harvest Fund Management Co., Ltd | 1694126 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28056 | 38737 | — | — | — | Aug 20, 2026 | SEC_13F_DATASET |
| Bank of New York Mellon Corp | 1390777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2814 | 3890007 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| J.Safra Asset Management Corp | 1535293 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9 | 12441 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Moran Wealth Management, LLC | 1965334 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13067 | 18063374 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Defiance ETFs, LLC | 1732541 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 172 | 229057 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Raiffeisen Bank International AG | 2044885 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 960 | 1260259 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.