Monolithic Power Systems, Inc. (MPWR) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for MPWR. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 1,228 institutions reported holding MPWR, with 47.4 million shares worth $65.3 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Vanguard | 6,144,593 | $8.5B | INCREASED |
| BlackRock | 5,589,925 | $7.7B | DECREASED |
| FMR | 5,177,258 | $7.2B | INCREASED |
| Invesco Ltd | 2,343,930 | $3.2B | INCREASED |
| State Street | 2,282,186 | $3.2B | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Michael Hsing (CEO) | SELL | 130 | $176K | 2026-09-28 |
| Michael Hsing (CEO) | SELL | 10,967 | $15M | 2026-09-28 |
| Michael Hsing (CEO) | SELL | 6,343 | $9M | 2026-09-28 |
| Michael Hsing (CEO) | SELL | 5,783 | $8M | 2026-09-28 |
| Michael Hsing (CEO) | SELL | 2,949 | $4M | 2026-09-28 |
Recent Congressional Trades
| Member | Type | Amount | Date |
|---|---|---|---|
| Tommy Tuberville (Republican) | SALE | $1,001 - $15,000 | 2024-05-03 |
Full institutional holdings, insider history, and congressional trades for Monolithic Power Systems, Inc. on SentiSense.