Security record · archived quarter
MPWR
Monolithic Power Systems, Inc. · Technology · Semiconductors
166Tracked holders
+5Δ holders
38.17MShares held
$52.65BReported value
+8New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth +3.1% ·
share flow +0.3% ·
net new positions +3.6%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 166 | +5 | 38.17M | $52.65B | +8 | −2 |
| 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 | — | −3 |
| Q1 2025 | 15 | +2 | 7.50M | $4.35B | +2 | — |
| Q4 2024 | 13 | +2 | 7.31M | $4.33B | +2 | — |
| Q3 2024 | 10 | -2 | 4.86M | $4.49B | — | −2 |
| Q2 2024 | 12 | — | 4.81M | $3.95B | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 5.59M | -8.0% | $7.73B | 0.1% | ▼ Trim | 5 | SEC ↗ ×21 |
| 2 | Fidelity (FMR) ✦ | 5.18M | +17.6% | $7.16B | 0.3% | ▲ Add | 5 | SEC ↗ ×7 |
| 3 | Vanguard Capital Management Llc | 3.13M | +1.4% | $4.32B | 0.1% | ▲ Add | 2 | SEC ↗ |
| 4 | Invesco Ltd. | 2.34M | -6.8% | $3.24B | 0.3% | ▼ Trim | 3 | SEC ↗ ×13 |
| 5 | State Street Global Advisors ✦ (passive) | 2.28M | +4.3% | $3.16B | 0.1% | ▲ Add | 7 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 1.20M | -16.5% | $1.65B | 0.1% | ▼ Trim | 9 | SEC ↗ ×2 |
| 7 | T. Rowe Price ✦ | 976.80K | -22.7% | $1.35B | 0.1% | ▼ Trim | 9 | SEC ↗ ×2 |
| 8 | Franklin Resources Inc | 811.97K | -12.6% | $1.12B | 0.2% | ▼ Trim | 3 | SEC ↗ ×9 |
| 9 | Goldman Sachs Group ✦ | 780.65K | +37.4% | $1.08B | 0.1% | ▲ Add | 4 | SEC ↗ ×7 |
| 10 | Norges Bank ✦ (passive) | 751.40K | New | $1.04B | 0.1% | New | 1 | SEC ↗ |
| 11 | Morgan Stanley ✦ | 727.88K | +10.9% | $1.01B | 0.1% | ▲ Add | 4 | SEC ↗ ×17 |
| 12 | Bank Of America Corp /De/ | 536.24K | +40.3% | $741.27M | 0.0% | ▲ Add | 3 | SEC ↗ ×8 |
| 13 | Royal Bank Of Canada | 487.21K | +2.9% | $673.50M | 0.1% | ▲ Add | 3 | SEC ↗ ×16 |
| 14 | First Trust Advisors Lp | 482.78K | -18.4% | $667.38M | 0.4% | ▼ Trim | 3 | SEC ↗ |
| 15 | Northern Trust Corp | 479.49K | -2.0% | $662.83M | 0.1% | ▼ Trim | 3 | SEC ↗ ×10 |
| 16 | Barclays Plc | 474.13K | -14.7% | $655.42M | 0.2% | ▼ Trim | 3 | SEC ↗ ×5 |
| 17 | UBS Group AG | 449.48K | -16.8% | $621.34M | 0.1% | ▼ Trim | 3 | SEC ↗ ×6 |
| 18 | Massachusetts Financial Services Co… | 442.18K | -22.1% | $611.19M | 0.2% | ▼ Trim | 3 | SEC ↗ ×7 |
| 19 | JPMorgan Chase ✦ | 434.95K | -21.6% | $570.99M | 0.0% | ▼ Trim | 4 | SEC ↗ ×17 |
| 20 | Charles Schwab Investment… | 388.95K | +3.3% | $537.67M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 21 | Legal & General Group Plc | 359.94K | -5.3% | $497.56M | 0.1% | ▼ Trim | 3 | SEC ↗ ×3 |
| 22 | Voya Investment Management Llc | 340.27K | -13.5% | $469.69M | 0.4% | ▼ Trim | 3 | SEC ↗ ×3 |
| 23 | Citigroup Inc | 325.28K | -4.6% | $449.66M | 0.2% | ▼ Trim | 3 | SEC ↗ ×3 |
| 24 | UBS AM, a distinct business unit of… | 292.37K | -3.3% | $404.16M | 0.1% | ▼ Trim | 3 | SEC ↗ ×12 |
| 25 | Bank of New York Mellon Corp | 291.11K | +0.4% | $402.41M | 0.1% | ▲ Add | 3 | SEC ↗ ×20 |
| 26 | FIL Ltd | 224.58K | +45.2% | $310.45M | 0.2% | ▲ Add | 3 | SEC ↗ ×2 |
| 27 | California Public Employees… | 223.90K | +40.2% | $309.51M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 28 | Bnp Paribas Financial Markets | 207.88K | -7.2% | $287.37M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 29 | Kayne Anderson Rudnick Investment… | 206.13K | -22.7% | $284.95M | 0.9% | ▼ Trim | 3 | SEC ↗ ×2 |
| 30 | Two Sigma Investments ✦ | 190.50K | +1485.2% | $263.35M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 31 | Hsbc Holdings Plc | 190.81K | +20.1% | $262.39M | 0.1% | ▲ Add | 3 | SEC ↗ ×9 |
| 32 | Jennison Associates Llc | 185.50K | +275.6% | $256.43M | 0.2% | ▲ Add | 3 | SEC ↗ ×2 |
| 33 | Brown Advisory Inc | 180.43K | -52.5% | $249.45M | 0.4% | ▼ Trim | 3 | SEC ↗ ×2 |
| 34 | Principal Financial Group Inc | 180.24K | +3.5% | $249.16M | 0.1% | ▲ Add | 3 | SEC ↗ ×4 |
| 35 | Jane Street Group, Llc | 179.29K | +3427.3% | $247.85M | 0.2% | ▲ Add | 3 | SEC ↗ ×3 |
| 36 | Deutsche Bank Ag\ | 167.29K | -7.9% | $231.26M | 0.1% | ▼ Trim | 3 | SEC ↗ ×15 |
| 37 | Neuberger Berman Group LLC | 156.36K | +4.2% | $216.15M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 38 | Dimensional Fund Advisors Lp | 154.45K | +0.4% | $213.45M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 39 | Canada Pension Plan Investment Board | 148.79K | +178.9% | $205.68M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 40 | Sei Investments Co | 147.97K | -4.7% | $204.54M | 0.2% | ▼ Trim | 3 | SEC ↗ ×2 |
| 41 | American Century Companies Inc | 147.21K | -26.3% | $203.51M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 42 | Amundi | 145.75K | -8.3% | $201.44M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 43 | Raymond James Financial Inc | 145.62K | -25.7% | $201.30M | 0.1% | ▼ Trim | 3 | SEC ↗ ×7 |
| 44 | Federated Hermes, Inc. | 144.95K | +198.5% | $200.37M | 0.3% | ▲ Add | 3 | SEC ↗ ×5 |
| 45 | Alliancebernstein L.P. | 177.11K | +42.1% | $193.64M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 46 | Millennium Management ✦ | 136.84K | New | $189.16M | 0.1% | New | 1 | SEC ↗ |
| 47 | Mitsubishi UFJ Asset Management… | 132.06K | +0.4% | $182.56M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 48 | Swiss National Bank | 131.61K | -6.3% | $181.93M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 49 | Wells Fargo & Company/Mn | 131.30K | +29.1% | $181.51M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 50 | Artisan Partners Limited Partnership | 130.15K | -13.7% | $179.92M | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 51 | Ameriprise Financial Inc | 129.72K | +8.6% | $179.32M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 52 | Nuveen, LLC | 129.29K | -17.0% | $178.73M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 53 | Susquehanna International Group, Llp | 123.78K | +313.1% | $171.10M | 0.2% | ▲ Add | 3 | SEC ↗ ×2 |
| 54 | Allianz Asset Management GmbH | 116.28K | +20.5% | $160.74M | 0.1% | ▲ Add | 3 | SEC ↗ ×4 |
| 55 | Sumitomo Mitsui Trust Group, Inc. | 110.82K | -3.2% | $153.19M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 56 | Envestnet Asset Management Inc | 108.57K | -13.7% | $150.09M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 57 | Nomura Asset Management… | 103.55K | -30.0% | $143.14M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 58 | Pictet Asset Management Holding SA | 100.74K | -16.7% | $139.23M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 59 | Mirae Asset Global Investments Co.… | 97.62K | +17.2% | $134.94M | 0.3% | ▲ Add | 3 | SEC ↗ ×2 |
| 60 | Adage Capital Partners ✦ | 96.35K | +30.8% | $133.19M | 0.2% | ▲ Add | 9 | SEC ↗ |
| 61 | BNP Paribas Asset Management… | 95.04K | -26.9% | $131.36M | 0.1% | ▼ Trim | 3 | SEC ↗ ×3 |
| 62 | Victory Capital Management Inc | 94.48K | -15.6% | $130.61M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 63 | Rhumbline Advisers | 94.37K | -7.6% | $130.45M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 64 | Baird Financial Group, Inc. | 81.89K | +10.3% | $113.21M | 0.2% | ▲ Add | 3 | SEC ↗ ×4 |
| 65 | Allspring Global Investments… | 84.34K | -29.0% | $112.32M | 0.2% | ▼ Trim | 3 | SEC ↗ ×3 |
| 66 | Hrt Financial Lp | 77.35K | New | $106.92M | 0.2% | New | 1 | SEC ↗ |
| 67 | Healthcare Of Ontario Pension Plan… | 76.36K | -43.8% | $105.56M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 68 | Quantinno Capital Management LP | 75.69K | +4.0% | $104.64M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 69 | Wellington Management ✦ | 72.00K | -71.3% | $99.53M | 0.0% | ▼ Trim | 9 | SEC ↗ ×3 |
| 70 | Ensign Peak Advisors, Inc | 71.15K | -8.9% | $98.36M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 71 | Stifel Financial Corp | 67.10K | -15.4% | $92.78M | 0.1% | ▼ Trim | 3 | SEC ↗ ×5 |
| 72 | LPL Financial LLC | 65.27K | -3.9% | $90.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 73 | ProShare Advisors LLC | 64.60K | -20.7% | $89.30M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 74 | Qube Research & Technologies Ltd | 64.55K | New | $89.23M | 0.1% | New | 1 | SEC ↗ |
| 75 | National Pension Service | 63.53K | -6.2% | $87.82M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 76 | Citadel Advisors ✦ | 63.49K | +369.9% | $87.76M | 0.1% | ▲ Add | 9 | SEC ↗ ×2 |
| 77 | Renaissance Technologies ✦ | 63.07K | New | $87.18M | 0.1% | New | 1 | SEC ↗ |
| 78 | CIBC Bancorp USA Inc. | 61.21K | -11.1% | $84.61M | 0.1% | ▼ Trim | 2 | SEC ↗ ×3 |
| 79 | Russell Investments Group, Ltd. | 61.25K | +13.3% | $84.16M | 0.1% | ▲ Add | 3 | SEC ↗ ×12 |
| 80 | Bamco Inc /Ny/ | 58.60K | -7.0% | $81.01M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 81 | Jones Financial Companies Lllp | 61.01K | +13.1% | $80.13M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 82 | Universal- Beteiligungs- und… | 56.65K | +21.8% | $78.16M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 83 | National Bank Of Canada /Fi/ | 53.72K | -15.6% | $74.26M | 0.1% | ▼ Trim | 3 | SEC ↗ ×4 |
| 84 | Squarepoint Ops LLC | 53.02K | +63.5% | $73.30M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 85 | Zurcher Kantonalbank (Zurich… | 52.98K | -18.3% | $73.24M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 86 | Tidal Investments LLC | 51.89K | +46.7% | $71.74M | 0.2% | ▲ Add | 3 | SEC ↗ ×2 |
| 87 | Caisse De Depot Et Placement Du… | 50.23K | -41.0% | $69.44M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 88 | New York State Common Retirement… | 50.17K | +87.9% | $69.35M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 89 | Manufacturers Life Insurance… | 49.89K | +0.5% | $68.96M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 90 | Nomura Holdings Inc | 49.62K | +1582.5% | $68.59M | 0.3% | ▲ Add | 3 | SEC ↗ ×2 |
| 91 | Robeco Institutional Asset… | 47.12K | +239.7% | $65.14M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 92 | Bank Of Montreal /Can/ | 46.74K | +0.6% | $64.61M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 93 | Corient Private Wealth LP | 45.84K | +192.3% | $63.32M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 94 | Aberdeen Group plc | 41.85K | +6.2% | $57.86M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 95 | State Board Of Administration Of… | 41.54K | -0.2% | $57.42M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 96 | Aviva Plc | 41.12K | +0.6% | $56.84M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 97 | Connor, Clark & Lunn Investment… | 37.77K | +1773.3% | $52.21M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 98 | Man Group plc | 37.11K | +470.2% | $51.30M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 99 | LMR Partners LLP | 35.76K | New | $49.43M | 0.4% | New | 1 | SEC ↗ ×4 |
| 100 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 34.70K | -4.8% | $47.67M | 0.1% | ▼ Trim | 3 | SEC ↗ ×3 |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $1.04B | 0.1% |
| Millennium Management | $189.16M | 0.1% |
| Hrt Financial Lp | $106.92M | 0.2% |
| Qube Research & Technologies… | $89.23M | 0.1% |
| Renaissance Technologies | $87.18M | 0.1% |
| LMR Partners LLP | $49.43M | 0.4% |
Exited
| 1832 Asset Management L.P. | $14.65M | was 0.0% |
| Holocene Advisors, LP | $2.52M | 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: Q2 2026 ·
Methodology ·
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