Monolithic Power Systems
MPWR
1,322.54
-58.09
-4.21%
Monolithic Power Systems
US · MPWR
#283 by market cap
Listed 1970
-4.21%
1,322.54
-58.09
-4.21%
Live - 304 symbols - heartbeat 184s ago
· 2026-09-23 13:29
Pre-market
1,368.04
-0.91%
After-hours
1,386.90
+0.45%
Overnight
1,366.34
-1.03%
- Market cap
- 64.99B
- P/E (TTM)i
- 80.69
- P/Bi
- 16.68
- EPSi
- 12.86
- Div yieldi
- 0.54%
- 52W posi
- 56%
Reader sentiment
Are you bullish or bearish on MPWR?
Anonymous reader poll. Unscientific, not investment advice.
✦ Quant Ownership Signal how this is computed
Distributing
- The number of reporting institutions decreased by 7 in the most recent period (2026/Q3).
- Total institutional ownership fell 0.3 percentage points.
Institutional ownership
- Held by institutions
- 98.86% -0.35pp
- Institutions
- 1,505 -7
- As of
- 2026/Q3 vs. prior period
Holder types
Mutual Fund83.52%
Public Company5.74%
Individual/Insider3.53%
Private Company2.62%
Government Pension Fund2.33%
Hedge Fund2.20%
Sovereign Wealth Fund1.59%
Family Office/Trust0.35%
Insurance Company0.24%
Top holders
| Holder | Stake |
|---|---|
| BlackRock | 11.37% |
| FMR | 10.01% |
| Vanguard Capital Management, LLC | 6.93% |
| Vanguard Portfolio Management, LLC | 5.10% |
| State Street Global Advisors | 4.64% |
| Other | 61.94% |
Insiders
12 filings tracked · 3 buys · 9 sells
| Name | Role | Stake |
|---|---|---|
| Michael Hsing | Chairperson & CEO | 2.02% |
| Maurice Sciammas | Officer | 0.48% |
| Deming Xiao | Officer | 0.47% |
| Saria Tseng | VP of Strategic Corporate Development, General Counsel & Corporate Secretary | 0.30% |
| Theodore Blegen | Vice President | 0.18% |
| Victor Lee | Independent Director | 0.06% |
| Eugen Elmiger | Independent Director | 0.01% |
| Robert Dean | Officer | 0.01% |
| Jeff Zhou | Independent Director | 0.01% |
| Carintia Martinez | Independent Director | 0.00% |
Quote time 2026-09-23 13:29:08 · For reference only, not investment advice.