Who owns MPWR
1,077 institutions reported holding MPWR for 2026Q1, together 93% of the company, more than the 1,025 a quarter earlier.
1,077
Institutions reporting a position · as of 2026Q1 · up from 1,025 the quarter before
- Shares held by institutions
- 46.0M
Shares held by institutions · 93% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $50.2B
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 41%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 52
- New positions
- 166
- Positions exited
- 119
- Added to
- 345
- Reduced
- 374
- Top 10 holdersof the company
- 51%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 1,077 | 46.0M | $50.2B |
| 2025Q4 | 1,025 | 49.6M | $43.1B |
| 2025Q3 | 955 | 46.6M | $42.7B |
| 2025Q2 | 887 | 46.9M | $34.3B |
| 2025Q1 | 842 | 46.5M | $26.9B |
| 2024Q4 | 841 | 46.2M | $27.4B |
| 2024Q3 | 863 | 46.2M | $42.5B |
| 2024Q2 | 822 | 46.7M | $38.4B |
| 2024Q1 | 788 | 46.0M | $31.1B |
| 2023Q4 | 723 | 45.4M | $28.6B |
| 2023Q3 | 642 | 46.0M | $21.2B |
| 2023Q2 | 642 | 46.6M | $25.2B |
| 2023Q1 | 657 | 47.2M | $23.3B |
| 2022Q4 | 601 | 46.8M | $16.5B |
| 2022Q3 | 626 | 45.7M | $16.6B |
| 2022Q2 | 613 | 43.7M | $16.8B |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| VANGUARD GROUP INC | 6.1M | 12% | $6.67B |
| BlackRock Inc. | 6.1M | 12% | $6.64B |
| FMR LLC | 4.4M | 8.9% | $4.81B |
| STATE STREET CORP | 2.2M | 4.4% | $2.40B |
| Invesco Ltd. | 1.5M | 3.0% | $1.62B |
| GEODE CAPITAL MANAGEMENT LLC | 1.4M | 2.9% | $1.56B |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.3M | 2.6% | $1.38B |
| FRANKLIN RESOURCES INC | 0.9M | 1.9% | $1.02B |
| T. Rowe Price Investment Management, Inc. | 0.7M | 1.5% | $789M |
| MORGAN STANLEY | 0.7M | 1.3% | $718M |
SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.
reading the register…