Security record · archived quarter
MPWR
Monolithic Power Systems, Inc. · Technology · Semiconductors
159Tracked holders
0Δ holders
43.73MShares held
$37.89BReported value
+3New positions
−2Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -1.7% · net new positions +0.6% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 164 | +5 | 38.02M | $52.44B | +8 | −4 |
| Q1 2026 | 163 | +3 | 37.39M | $40.78B | +6 | −4 |
| Q4 2025 | 159 | 0 | 43.73M | $37.89B | +3 | −2 |
| Q3 2025 | 18 | +1 | 24.30M | $22.37B | +2 | −2 |
| Q2 2025 | 15 | -3 | 21.56M | $15.77B | n/a | −3 |
| Q1 2025 | 15 | +2 | 7.50M | $4.35B | +2 | n/a |
| Q4 2024 | 13 | +2 | 7.31M | $4.33B | +2 | n/a |
| Q3 2024 | 10 | -2 | 4.86M | $4.49B | n/a | −2 |
| Q2 2024 | 12 | n/a | 4.81M | $3.95B | n/a | n/a |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 6.03M | -0.7% | $5.47B | 0.1% | ▼ Trim | 3 | SEC ↗ ×5 |
| 2 | BlackRock ✦ (passive) | 5.96M | +4.1% | $5.40B | 0.1% | ▲ Add | 3 | SEC ↗ ×23 |
| 3 | Fidelity (FMR) ✦ | 3.98M | +11.6% | $3.60B | 0.2% | ▲ Add | 3 | SEC ↗ ×5 |
| 4 | Invesco Ltd. | 2.51M | n/a | $2.28B | 0.2% | n/c | 1 | SEC ↗ ×14 |
| 5 | State Street Global Advisors ✦ (passive) | 2.18M | +2.1% | $1.98B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 1.69M | +7.5% | $1.53B | 0.2% | ▲ Add | 7 | SEC ↗ ×2 |
| 7 | Geode Capital Management ✦ (passive) | 1.38M | +3.3% | $1.25B | 0.1% | ▲ Add | 7 | SEC ↗ ×2 |
| 8 | Franklin Resources Inc | 1.05M | n/a | $951.14M | 0.2% | n/c | 1 | SEC ↗ ×8 |
| 9 | Norges Bank ✦ (passive) | 726.71K | New | $658.66M | 0.1% | New | 1 | SEC ↗ |
| 10 | First Trust Advisors Lp | 701.45K | n/a | $635.77M | 0.5% | n/c | 1 | SEC ↗ |
| 11 | Morgan Stanley ✦ | 649.07K | +16.2% | $588.29M | 0.0% | ▲ Add | 2 | SEC ↗ ×17 |
| 12 | Barclays Plc | 604.80K | n/a | $548.17M | 0.2% | n/c | 1 | SEC ↗ ×5 |
| 13 | Goldman Sachs Group ✦ | 593.74K | +36.7% | $538.14M | 0.1% | ▲ Add | 2 | SEC ↗ ×5 |
| 14 | Massachusetts Financial Services Co… | 570.72K | n/a | $517.28M | 0.2% | n/c | 1 | SEC ↗ ×7 |
| 15 | Bank Of America Corp /De/ | 549.58K | n/a | $498.11M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 16 | JPMorgan Chase ✦ | 512.27K | -70.3% | $464.31M | 0.0% | ▼ Trim | 2 | SEC ↗ ×13 |
| 17 | Brown Advisory Inc | 500.75K | n/a | $453.89M | 0.6% | n/c | 1 | SEC ↗ ×4 |
| 18 | Northern Trust Corp | 483.70K | n/a | $438.41M | 0.1% | n/c | 1 | SEC ↗ ×9 |
| 19 | UBS Group AG | 438.99K | n/a | $397.88M | 0.1% | n/c | 1 | SEC ↗ ×5 |
| 20 | Hsbc Holdings Plc | 401.25K | n/a | $364.62M | 0.1% | n/c | 1 | SEC ↗ ×24 |
| 21 | Wellington Management ✦ | 384.77K | -15.1% | $348.74M | 0.1% | ▼ Trim | 7 | SEC ↗ ×4 |
| 22 | Charles Schwab Investment… | 365.38K | n/a | $331.17M | 0.1% | n/c | 1 | SEC ↗ |
| 23 | Legal & General Group Plc | 356.64K | n/a | $323.24M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 24 | Voya Investment Management Llc | 339.73K | n/a | $307.92M | 0.3% | n/c | 1 | SEC ↗ ×3 |
| 25 | UBS AM, a distinct business unit of… | 318.80K | n/a | $288.94M | 0.1% | n/c | 1 | SEC ↗ ×13 |
| 26 | FIL Ltd | 316.09K | n/a | $286.49M | 0.2% | n/c | 1 | SEC ↗ ×3 |
| 27 | Bank of New York Mellon Corp | 295.12K | n/a | $267.48M | 0.0% | n/c | 1 | SEC ↗ ×20 |
| 28 | Kayne Anderson Rudnick Investment… | 294.04K | n/a | $266.51M | 0.7% | n/c | 1 | SEC ↗ ×2 |
| 29 | Bnp Paribas Financial Markets | 247.13K | n/a | $223.99M | 0.1% | n/c | 1 | SEC ↗ |
| 30 | Citigroup Inc | 245.48K | n/a | $222.49M | 0.2% | n/c | 1 | SEC ↗ ×4 |
| 31 | Raymond James Financial Inc | 211.48K | n/a | $193.72M | 0.1% | n/c | 1 | SEC ↗ ×7 |
| 32 | American Century Companies Inc | 203.56K | n/a | $184.51M | 0.1% | n/c | 1 | SEC ↗ |
| 33 | Healthcare Of Ontario Pension Plan… | 202.86K | n/a | $183.87M | 0.3% | n/c | 1 | SEC ↗ |
| 34 | Neuberger Berman Group LLC | 181.71K | n/a | $164.69M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 35 | Royal Bank Of Canada | 176.58K | n/a | $160.04M | 0.0% | n/c | 1 | SEC ↗ ×12 |
| 36 | Deutsche Bank Ag\ | 174.32K | n/a | $158.00M | 0.1% | n/c | 1 | SEC ↗ ×14 |
| 37 | Principal Financial Group Inc | 167.26K | n/a | $151.60M | 0.1% | n/c | 1 | SEC ↗ ×4 |
| 38 | Sei Investments Co | 166.69K | n/a | $151.09M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 39 | Nomura Asset Management… | 165.23K | n/a | $149.76M | 0.2% | n/c | 1 | SEC ↗ ×2 |
| 40 | Nuveen, LLC | 161.25K | n/a | $146.15M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 41 | Allspring Global Investments… | 153.33K | n/a | $143.56M | 0.2% | n/c | 1 | SEC ↗ ×3 |
| 42 | Corient Private Wealth LP | 2.10M | n/a | $140.01M | 0.1% | n/c | 1 | SEC ↗ ×5 |
| 43 | Artisan Partners Limited Partnership | 153.86K | n/a | $139.45M | 0.2% | n/c | 1 | SEC ↗ |
| 44 | Pictet Asset Management Holding SA | 153.00K | n/a | $138.69M | 0.1% | n/c | 1 | SEC ↗ |
| 45 | Dimensional Fund Advisors Lp | 151.04K | n/a | $136.91M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 46 | Allianz Asset Management GmbH | 145.63K | n/a | $132.00M | 0.2% | n/c | 1 | SEC ↗ ×6 |
| 47 | Caisse De Depot Et Placement Du… | 137.22K | n/a | $124.37M | 0.2% | n/c | 1 | SEC ↗ |
| 48 | Alliancebernstein L.P. | 134.63K | n/a | $122.02M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Ameriprise Financial Inc | 133.64K | n/a | $121.13M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 50 | Swiss National Bank | 131.26K | n/a | $118.97M | 0.1% | n/c | 1 | SEC ↗ |
| 51 | Amundi | 129.47K | n/a | $117.35M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 52 | National Bank Of Canada /Fi/ | 125.47K | n/a | $113.72M | 0.1% | n/c | 1 | SEC ↗ ×4 |
| 53 | Envestnet Asset Management Inc | 124.63K | n/a | $112.96M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Mitsubishi UFJ Asset Management… | 118.70K | n/a | $111.14M | 0.1% | n/c | 1 | SEC ↗ |
| 55 | Sumitomo Mitsui Trust Group, Inc. | 119.02K | n/a | $107.87M | 0.1% | n/c | 1 | SEC ↗ |
| 56 | Nomura Asset Management Co Ltd | 117.02K | n/a | $106.06M | 0.3% | n/c | 1 | SEC ↗ ×2 |
| 57 | BNP Paribas Asset Management… | 115.72K | n/a | $104.92M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 58 | Victory Capital Management Inc | 114.97K | n/a | $104.20M | 0.1% | n/c | 1 | SEC ↗ |
| 59 | Rhumbline Advisers | 104.25K | n/a | $94.48M | 0.1% | n/c | 1 | SEC ↗ |
| 60 | ProShare Advisors LLC | 99.46K | n/a | $90.15M | 0.2% | n/c | 1 | SEC ↗ |
| 61 | Baird Financial Group, Inc. | 97.61K | n/a | $88.47M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 62 | Zurcher Kantonalbank (Zurich… | 90.07K | n/a | $81.64M | 0.2% | n/c | 1 | SEC ↗ |
| 63 | Mirae Asset Global Investments Co.… | 86.64K | n/a | $78.52M | 0.2% | n/c | 1 | SEC ↗ ×2 |
| 64 | California Public Employees… | 84.84K | n/a | $76.89M | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Ensign Peak Advisors, Inc | 81.86K | n/a | $74.19M | 0.1% | n/c | 1 | SEC ↗ |
| 66 | Stifel Financial Corp | 80.71K | n/a | $73.17M | 0.1% | n/c | 1 | SEC ↗ ×6 |
| 67 | Adage Capital Partners ✦ | 77.85K | -6.4% | $70.56M | 0.1% | ▼ Trim | 7 | SEC ↗ |
| 68 | Wells Fargo & Company/Mn | 77.57K | n/a | $70.31M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 69 | National Pension Service | 74.53K | n/a | $67.55M | 0.1% | n/c | 1 | SEC ↗ |
| 70 | Td Asset Management Inc | 74.30K | n/a | $67.34M | 0.1% | n/c | 1 | SEC ↗ |
| 71 | California State Teachers… | 74.07K | n/a | $67.13M | 0.1% | n/c | 1 | SEC ↗ |
| 72 | Canada Pension Plan Investment Board | 69.73K | n/a | $63.20M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Bamco Inc /Ny/ | 65.23K | n/a | $59.12M | 0.2% | n/c | 1 | SEC ↗ |
| 74 | LPL Financial LLC | 64.08K | n/a | $58.08M | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Jennison Associates Llc | 61.83K | n/a | $56.04M | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Quantinno Capital Management LP | 59.56K | n/a | $53.99M | 0.1% | n/c | 1 | SEC ↗ |
| 77 | Susquehanna International Group, Llp | 56.85K | n/a | $51.53M | 0.1% | n/c | 1 | SEC ↗ |
| 78 | Manufacturers Life Insurance… | 53.83K | n/a | $49.17M | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Bank Of Montreal /Can/ | 52.29K | n/a | $47.39M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 80 | Pacer Advisors, Inc. | 50.65K | n/a | $45.91M | 0.1% | n/c | 1 | SEC ↗ |
| 81 | Russell Investments Group, Ltd. | 46.75K | n/a | $42.43M | 0.0% | n/c | 1 | SEC ↗ ×12 |
| 82 | AQR Capital Management ✦ | 46.28K | +22.7% | $41.95M | 0.0% | ▲ Add | 7 | SEC ↗ ×7 |
| 83 | State Board Of Administration Of… | 43.28K | n/a | $39.22M | 0.1% | n/c | 1 | SEC ↗ |
| 84 | Universal- Beteiligungs- und… | 40.55K | n/a | $36.84M | 0.1% | n/c | 1 | SEC ↗ |
| 85 | Bank Of Nova Scotia | 40.47K | n/a | $36.68M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 86 | Aviva Plc | 39.85K | n/a | $36.12M | 0.1% | n/c | 1 | SEC ↗ |
| 87 | Aberdeen Group plc | 37.70K | n/a | $34.17M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 88 | Swedbank AB | 37.39K | n/a | $33.89M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 89 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 35.15K | n/a | $31.92M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 90 | PFA Pension, Forsikringsaktieselskab | 31.31K | n/a | $28.93M | 0.1% | n/c | 1 | SEC ↗ |
| 91 | Mitsubishi UFJ Trust & Banking Corp | 29.60K | n/a | $26.83M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 92 | State Of Wisconsin Investment Board | 29.36K | n/a | $26.61M | 0.1% | n/c | 1 | SEC ↗ |
| 93 | Royal London Asset Management Ltd | 29.33K | n/a | $26.58M | 0.1% | n/c | 1 | SEC ↗ |
| 94 | Korea Investment CORP | 29.23K | n/a | $26.49M | 0.1% | n/c | 1 | SEC ↗ |
| 95 | Man Group plc | 26.94K | n/a | $24.41M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 96 | New York State Common Retirement… | 26.71K | n/a | $24.21M | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Parnassus Investments, Llc | 26.59K | n/a | $24.10M | 0.1% | n/c | 1 | SEC ↗ |
| 98 | Tidal Investments LLC | 26.08K | n/a | $23.64M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 99 | Millennium Management ✦ | 24.68K | -85.5% | $22.37M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 100 | Chevy Chase Trust Holdings, LLC | 24.58K | n/a | $22.28M | 0.1% | n/c | 1 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $658.66M | 0.1% |
Exited
| Marshall Wace | $121.66M | was 0.1% |
| Renaissance Technologies | $7.44M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,109 holders, 45.61M shares, $45.88B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Sep 28
Hsing Michael
Officer, Director · 130 sh · $176,402
Sep 28
Hsing Michael
Officer, Director · 596 sh · $788,693
Sep 28
Hsing Michael
Officer, Director · 2.12K sh · $2.82M
Sep 28
Hsing Michael
Officer, Director · 1.11K sh · $1.48M
Sep 28
Hsing Michael
Officer, Director · 2.95K sh · $3.95M
Sep 28
Hsing Michael
Officer, Director · 5.78K sh · $7.77M
Sep 28
Hsing Michael
Officer, Director · 6.34K sh · $8.54M
Sep 28
Hsing Michael
Officer, Director · 10.97K sh · $14.82M
Aug 24
DEAN ROBERT W II
Officer · 32 sh · $41,527
Aug 24
CHANG KUO WEI HERBERT
Director · 50 sh · $64,078
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Jul 15
SC 13G: Invesco Ltd.
Jul 08
SC 13G/A: FMR LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
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