MPWR
$1,243.11 · −5.8% today · −12.8% 5d · −4.6% 3m · +27.5% 1y
Daily score91
Weekly score97
Long-term score38
Close
Scores (0–100)
Components — latest (2026-10-14)
Close
1,243.11
1D return
−5.8%
5D return
−12.8%
Rel volume
1.54
CMF 20
0.31
OBV slope 20
0.19
Up-vol ratio 10
0.45
Short ratio
0.42
Short ratio Δ
−15.3%
Persistence 10
10.00
Inflow mean 5d
0.83
Inflow mean 60d
0.03
Momentum 12-1
+17.0%
% of 52w high
+73.8%
vs 200d
−4.2%
Volatility 60d
+51.9%
Dollar vol 20d
$1001.77M
Insider buys 90d
$0
Insider buyers 90d
0.00
Revenue growth
+47.6%
Fundamentals — Monolithic Power Systems · Information Technology
as of 2026-10-22- P/E
- 92.4
- P/B
- 14.73
- ROE
- 16.0%
- Operating margin
- 26.1%
- Debt / equity
- 0.00
- FCF yield
- 1.2%
- Years profitable
- 5/5
- BM score
- 26
- Moat flag
- Yes
Insider trades (Form 4)
| Filed | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-09-30 | Hsing Michael | CEO | Sell | 2.9K | $1,338.66 | $3.95M |
| 2026-09-30 | Hsing Michael | CEO | Sell | 596 | $1,323.31 | $788.7K |
| 2026-09-30 | Hsing Michael | CEO | Sell | 2.1K | $1,328.54 | $2.82M |
| 2026-09-30 | Hsing Michael | CEO | Sell | 1.1K | $1,333.34 | $1.48M |
| 2026-09-30 | Hsing Michael | CEO | Sell | 130 | $1,356.94 | $176.4K |
| 2026-09-30 | Hsing Michael | CEO | Sell | 5.8K | $1,343.76 | $7.77M |
| 2026-09-30 | Hsing Michael | CEO | Sell | 6.3K | $1,347.15 | $8.54M |
| 2026-09-30 | Hsing Michael | CEO | Sell | 11.0K | $1,351.43 | $14.82M |
| 2026-08-26 | DEAN ROBERT W II | Interim CFO | Sell | 32 | $1,297.72 | $41.5K |
| 2026-08-25 | CHANG KUO WEI HERBERT | Director | Sell | 50 | $1,281.57 | $64.1K |
| 2026-08-19 | DEAN ROBERT W II | Interim CFO | Sell | 6 | $1,413.64 | $8.5K |
| 2026-08-13 | CHANG KUO WEI HERBERT | Director | Sell | 50 | $1,420.00 | $71.0K |
| 2026-08-06 | DEAN ROBERT W II | Interim CFO | Sell | 105 | $1,344.27 | $141.1K |
| 2026-08-05 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 30 | $1,343.94 | $40.3K |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 1.9K | $1,344.16 | $2.51M |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 213 | $1,396.16 | $297.4K |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 117 | $1,400.45 | $163.9K |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 110 | $1,405.71 | $154.6K |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 527 | $1,314.03 | $692.5K |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 274 | $1,318.42 | $361.2K |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 409 | $1,323.93 | $541.5K |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 5.6K | $1,352.95 | $7.63M |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 1.5K | $1,348.91 | $2.03M |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 50 | $1,388.19 | $69.4K |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 50 | $1,359.36 | $68.0K |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 1.5K | $1,339.59 | $1.96M |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 776 | $1,334.59 | $1.04M |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 464 | $1,329.30 | $616.8K |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 472 | $1,375.47 | $649.2K |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 240 | $1,369.18 | $328.6K |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 418 | $1,378.73 | $576.3K |
| 2026-07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 410 | $1,384.11 | $567.5K |
| 2026-07-06 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 30 | $1,351.61 | $40.5K |
| 2026-06-03 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 30 | $1,533.95 | $46.0K |
| 2026-05-29 | Tseng Saria | EVP & General Counsel | Sell | 7.6K | $1,700.00 | $12.86M |
| 2026-05-28 | DEAN ROBERT W II | Interim CFO | Sell | 22 | $1,649.56 | $36.3K |
| 2026-05-27 | Tseng Saria | EVP & General Counsel | Sell | 5.0K | $1,586.43 | $7.93M |
| 2026-05-27 | Zhou Jeff | Director | Sell | 486 | $1,680.00 | $816.5K |
| 2026-05-20 | Hsing Michael | CEO | Sell | 2.9K | $1,503.05 | $4.40M |
| 2026-05-20 | Hsing Michael | CEO | Sell | 608 | $1,499.46 | $911.7K |
| 2026-05-20 | Hsing Michael | CEO | Sell | 130 | $1,521.43 | $197.8K |
| 2026-05-20 | Hsing Michael | CEO | Sell | 6.7K | $1,486.76 | $9.94M |
| 2026-05-20 | Hsing Michael | CEO | Sell | 5.7K | $1,482.51 | $8.51M |
| 2026-05-20 | Hsing Michael | CEO | Sell | 4.1K | $1,476.96 | $6.03M |
| 2026-05-20 | Hsing Michael | CEO | Sell | 551 | $1,513.11 | $833.7K |
| 2026-05-20 | Hsing Michael | CEO | Sell | 352 | $1,518.15 | $534.4K |
| 2026-05-20 | Hsing Michael | CEO | Sell | 862 | $1,491.48 | $1.29M |
| 2026-05-20 | Hsing Michael | CEO | Sell | 3.8K | $1,507.70 | $5.68M |
| 2026-05-20 | DEAN ROBERT W II | Interim CFO | Sell | 4 | $1,563.28 | $6.3K |
| 2026-05-20 | Hsing Michael | CEO | Sell | 5.0K | $1,472.84 | $7.44M |
| 2026-05-20 | Hsing Michael | CEO | Sell | 5.8K | $1,467.62 | $8.54M |
| 2026-05-20 | Hsing Michael | CEO | Sell | 3.4K | $1,462.61 | $5.01M |
| 2026-05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 2.0K | $1,567.15 | $3.17M |
| 2026-05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 2.0K | $1,562.01 | $3.14M |
| 2026-05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 3.7K | $1,550.36 | $5.80M |
| 2026-05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 1.3K | $1,571.49 | $2.06M |
| 2026-05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 703 | $1,577.75 | $1.11M |
| 2026-05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 447 | $1,582.21 | $707.2K |
| 2026-05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 1.7K | $1,557.48 | $2.67M |
| 2026-05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 50 | $1,585.51 | $79.3K |
| 2026-05-08 | Elmiger Eugen J | Director | Sell | 834 | $1,575.57 | $1.31M |
| 2026-05-08 | Elmiger Eugen J | Director | Sell | 814 | $1,566.36 | $1.28M |
| 2026-05-08 | Elmiger Eugen J | Director | Sell | 320 | $1,559.88 | $499.2K |
| 2026-05-08 | Elmiger Eugen J | Director | Sell | 1.1K | $1,571.58 | $1.69M |
| 2026-05-08 | Xiao Deming | EVP, Global Operations | Sell | 3.3K | $1,648.38 | $5.49M |
| 2026-05-08 | Elmiger Eugen J | Director | Sell | 1.4K | $1,591.38 | $2.16M |
| 2026-05-08 | Xiao Deming | EVP, Global Operations | Sell | 11.6K | $1,657.93 | $19.23M |
| 2026-05-08 | Elmiger Eugen J | Director | Sell | 1.9K | $1,581.81 | $2.97M |
| 2026-05-08 | Elmiger Eugen J | Director | Sell | 2.6K | $1,596.42 | $4.18M |
| 2026-05-08 | Elmiger Eugen J | Director | Sell | 2.6K | $1,586.81 | $4.11M |
| 2026-05-08 | Elmiger Eugen J | Director | Sell | 514 | $1,600.14 | $822.5K |
| 2026-05-08 | Wynne Eileen | Director | Sell | 335 | $1,582.68 | $530.2K |
| 2026-05-08 | Xiao Deming | EVP, Global Operations | Sell | 14.2K | $1,652.80 | $23.42M |
| 2026-05-08 | Xiao Deming | EVP, Global Operations | Sell | 907 | $1,661.38 | $1.51M |
| 2026-05-06 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 380 | $1,583.81 | $601.8K |
| 2026-05-06 | Zhou Jeff | Director | Sell | 500 | $1,650.00 | $825.0K |
| 2026-05-06 | Sciammas Maurice | EVP, WW Sales & Marketing | Sell | 30 | $1,588.73 | $47.7K |
| 2026-05-06 | Zhou Jeff | Director | Sell | 500 | $1,600.00 | $800.0K |
| 2026-05-06 | Zhou Jeff | Director | Sell | 514 | $1,574.48 | $809.3K |
Congress trades
| Filed | Traded | Member | Type | Owner | Amount | Lag | Source |
|---|---|---|---|---|---|---|---|
| 2026-07-15 | 2026-06-05 | Byron Donalds (FL19) | Sale (partial) | Spouse | $1,001 - $15,000 | 40 | |
| 2026-07-15 | 2026-06-05 | Byron Donalds (FL19) | Sale (partial) | Self | $1,001 - $15,000 | 40 | |
| 2025-11-19 | 2025-10-20 | Michael Patrick Guest (MS03) | Purchase | Self | $1,001 - $15,000 | 30 |
Source: U.S. House Clerk periodic transaction reports (STOCK Act). Disclosures lag trades.