Monolithic Power Systems Ownership | Who Owns Monolithic Power Systems?
Monolithic Power Systems Ownership Summary
Monolithic Power Systems is owned by 95.80% institutional investors, 3.42% insiders, and 0.78% retail investors. Vanguard group is the largest institutional shareholder, holding 11.95% of MPWR shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.11% of its assets in Monolithic Power Systems shares.
MPWR Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Monolithic Power Systems | 95.80% | 3.42% | 0.78% |
| Sector | Technology Stocks | 38.43% | 12.63% | 48.94% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 5.82M | 11.95% | $3.45B |
| Blackrock funding, inc. /de | 5.42M | 11.12% | $3.21B |
| Fmr | 3.12M | 6.40% | $1.85B |
| Price t rowe associates inc /md/ | 1.53M | 3.13% | $904.30M |
| Franklin resources | 1.44M | 2.95% | $851.94M |
| Geode capital management | 1.37M | 2.80% | $807.16M |
| Invesco | 1.16M | 2.38% | $687.84M |
| Brown advisory | 986.00K | 2.02% | $583.42M |
| Wellington management group llp | 853.03K | 1.75% | $504.74M |
| Norges bank | 834.56K | 1.71% | $493.81M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Siemens fonds invest gmbh | 200.49K | 5.85% | $73.33M |
| Grandeur peak global advisors | 62.12K | 3.26% | $36.75M |
| Natixis investment managers | 63.77K | 2.92% | $37.73M |
| Pembroke management | 37.97K | 2.80% | $22.47M |
| Vaughan nelson investment management | 386.69K | 2.13% | $228.80M |
| Arcadia investment management corp/mi | 22.11K | 2.09% | $13.09M |
| Vantage investment partners | 34.72K | 1.79% | $20.55M |
| Taylor frigon capital management | 5.58K | 1.67% | $3.30M |
| Eulav asset management | 116.27K | 1.66% | $68.80M |
| Robeco schweiz | 110.23K | 1.39% | $65.22M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Norges bank | 834.56K | 0.06% | 834.56K |
| Van eck associates | 776.03K | 0.59% | 328.20K |
| Raymond james financial | 237.95K | 0.05% | 237.95K |
| Price t rowe associates inc /md/ | 1.53M | 0.10% | 214.40K |
| Siemens fonds invest gmbh | 200.49K | 5.85% | 199.41K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Jpmorgan chase | 497.49K | 0.02% | -423.46K |
| Fmr | 3.12M | 0.11% | -401.23K |
| Blackrock funding, inc. /de | 5.42M | 0.06% | -381.74K |
| Capital research global investors | - | - | -256.87K |
| Wellington management group llp | 853.03K | 0.09% | -251.20K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 834.56K | 0.06% | 834.56K | $493.81M |
| Raymond james financial | 237.95K | 0.05% | 237.95K | $140.79M |
| T. rowe price investment management | 184.06K | 0.07% | 184.06K | $108.91M |
| Hancock whitney | 13.96K | 0.26% | 13.96K | $8.26M |
| Achmea investment management b.v. | 7.95K | 0.08% | 7.95K | $4.70M |
Sold Out
| Holder | Change |
|---|---|
| Claris advisors, llc / mo / | -1.00 |
| Westend advisors | -1.00 |
| Highmark wealth management | -1.00 |
| Bok financial private wealth | -1.00 |
| Human investing | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Sep 30, 2024 | 893 | 4.94% | 45,672,009 | -2.54% | 93 | 1.01% | 435 | 0.46% | 318 | 11.19% |
| Jun 30, 2024 | 851 | 2.78% | 46,862,646 | 3.40% | 96 | 1.11% | 433 | - | 286 | 4.38% |
| Mar 31, 2024 | 828 | 10.55% | 45,322,506 | -0.46% | 93 | 1.03% | 433 | 5.35% | 274 | 15.13% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 1.49M | 3.11% | 1.91K |
| Vanguard US Total Market Shares ETF | 1.47M | 3.07% | 6.66K |
| Fidelity Select Semiconductors | 1.46M | 3.04% | -101.77K |
| Vanguard Institutional 500 Index Trust | 1.36M | 2.84% | 9.51K |
| Vanguard Mid Cap Index Institutional | 1.02M | 2.12% | 9.57K |
| iShares Semiconductor ETF | 696.66K | 1.46% | -1.84K |
| Fidelity Blue Chip Growth | 650.77K | 1.36% | - |
| Fidelity 500 Index | 603.32K | 1.26% | 2.59K |
| SPDR® S&P 500 ETF | 594.78K | 1.24% | -21.55K |
| SPDR® S&P 500® ETF Trust | 579.07K | 1.21% | -3.02K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jul 01, 2025 | BLEGEN THEODORE | EVP and CFO | Sell | $4.50M |
| May 13, 2025 | CHANG KUO WEI HERBERT | - | Sell | $36.90K |
| May 12, 2025 | CHANG KUO WEI HERBERT | - | Sell | $69.80K |
| May 12, 2025 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | $8.41M |
| May 08, 2025 | CHANG KUO WEI HERBERT | - | Sell | $65.00K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | - | 1 |
| 2025 Q2 | - | 4 |
| 2025 Q1 | - | 12 |
| 2024 Q4 | - | 49 |
| 2024 Q3 | - | 104 |
MPWR Ownership FAQ
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