Monolithic Power Systems Ownership | Who Owns Monolithic Power Systems?
Monolithic Power Systems Ownership Summary
Monolithic Power Systems is owned by 65.07% institutional investors, 4.06% insiders, and 30.87% retail investors. Lombard odier asset management (europe) is the largest institutional shareholder, holding 47.40% of MPWR shares. Fidelity Select Semiconductors is the top mutual fund, with 3.41% of its assets in Monolithic Power Systems shares.
MPWR Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Monolithic Power Systems | 65.07% | 4.06% | 30.87% |
| Sector | Technology Stocks | 35.28% | 13.10% | 51.62% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Lombard odier asset management (europe) | 22.69M | 47.40% | $38.00M |
| Vanguard group | 6.03M | 12.60% | $5.47B |
| Blackrock funding, inc. /de | 5.96M | 12.41% | $5.40B |
| Fmr | 3.56M | 7.45% | $3.28B |
| State street | 2.13M | 4.46% | $1.97B |
| Price t rowe associates inc /md/ | 1.57M | 3.29% | $1.45B |
| Geode capital management | 1.38M | 2.88% | $1.25B |
| Invesco | 1.14M | 2.38% | $1.05B |
| Franklin resources | 1.05M | 2.18% | $951.14M |
| T. rowe price investment management | 750.69K | 1.57% | $691.11M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Grandeur peak global advisors | 65.17K | 8.05% | $60.00M |
| Pembroke management | 53.14K | 4.98% | $48.17M |
| Analog century management lp | 77.59K | 3.83% | $71.43M |
| 4d advisors | 6.50K | 3.19% | $5.98M |
| Arcadia investment management corp/mi | 20.21K | 2.97% | $18.32M |
| Natixis investment managers | 63.77K | 2.92% | $37.73M |
| Fny investment advisers | 10.50K | 2.69% | $9.52M |
| Carderock capital management | 11.47K | 2.52% | $10.40M |
| Avalon global asset management | 22.50K | 2.37% | $20.71M |
| Vaughan nelson investment management | 257.64K | 2.28% | $233.52M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Lombard odier asset management (europe) | 22.69M | 1.92% | 22.68M |
| Norges bank | 726.71K | 0.07% | 726.71K |
| Sg americas securities | 262.23K | 0.30% | 261.89K |
| Barclays | 604.80K | 0.13% | 242.74K |
| Blackrock funding, inc. /de | 5.96M | 0.09% | 235.62K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Price t rowe associates inc /md/ | 1.57M | 0.15% | -515.01K |
| Jpmorgan chase | 512.27K | 0.03% | -350.95K |
| Alyeska investment group | - | - | -287.15K |
| Capital research global investors | - | - | -256.87K |
| Wellington management group llp | 452.94K | 0.07% | -250.21K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 726.71K | 0.07% | 726.71K | $658.66M |
| Rakuten investment management | 214.26K | 0.13% | 214.26K | $35.12M |
| Axa investment managers | 115.62K | 0.29% | 115.62K | $106.44M |
| Analog century management lp | 77.59K | 3.83% | 77.59K | $71.43M |
| Cibc world markets | 31.32K | 0.14% | 31.32K | $28.39M |
Sold Out
| Holder | Change |
|---|---|
| Horizon financial services | -1.00 |
| Palisade asset management | -1.00 |
| Bok financial private wealth | -1.00 |
| Highmark wealth management | -1.00 |
| American capital advisory | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 808 | -20.00% | 31,167,891 | -55.15% | 65 | 0.31% | 411 | -21.56% | 270 | -13.46% |
| Sep 30, 2025 | 964 | 4.22% | 69,120,352 | 51.13% | 144 | 1.58% | 503 | -0.98% | 294 | -1.67% |
| Jun 30, 2025 | 928 | 5.10% | 47,163,715 | 2.50% | 98 | 1.07% | 505 | 10.75% | 302 | 0.33% |
| Mar 31, 2025 | 871 | -1.25% | 45,843,294 | -1.25% | 95 | 1.06% | 445 | -4.09% | 302 | 3.78% |
| Dec 31, 2024 | 796 | -11.16% | 43,926,803 | -3.83% | 90 | 1.03% | 413 | -5.06% | 261 | -18.69% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Fidelity Select Semiconductors | 1.66M | 3.41% | 37.64K |
| Vanguard US Total Market Shares ETF | 1.47M | 3.07% | 6.66K |
| Vanguard Total Stock Mkt Idx Inv | 1.43M | 2.94% | 3.01K |
| Vanguard Institutional 500 Index Trust | 1.36M | 2.84% | 9.51K |
| Vanguard 500 Index Investor | 1.22M | 2.51% | 7.70K |
| Invesco QQQ Trust | 1.02M | 2.10% | -2.26K |
| Vanguard Mid Cap Index Institutional | 985.74K | 2.02% | -5.17K |
| iShares Semiconductor ETF | 803.90K | 1.65% | 127.25K |
| Fidelity Blue Chip Growth | 621.76K | 1.28% | 9.10K |
| iShares Core S&P 500 ETF | 610.21K | 1.25% | 110.92K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Feb 12, 2026 | Hsing Michael | CEO | Sell | $4.66M |
| Feb 12, 2026 | Hsing Michael | CEO | Sell | $2.43M |
| Feb 12, 2026 | Hsing Michael | CEO | Sell | $14.71M |
| Feb 12, 2026 | Hsing Michael | CEO | Sell | $5.79M |
| Feb 12, 2026 | Hsing Michael | CEO | Sell | $234.68K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 59 |
| 2025 Q4 | - | 147 |
| 2025 Q3 | - | 39 |
| 2025 Q2 | - | 4 |
| 2025 Q1 | - | 12 |
MPWR Ownership FAQ
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