Monolithic Power Systems, Inc.
MPWRAs of the close on Sep 25, 2026
Price
$1,367.43
Market cap
$67.2B
P/E (diluted TTM)
83.5
EPS (TTM)
$16.38
Four quarters to Jun 30, 2026
Dividend yield
—
Dividend records do not yet cover the latest payments
Figures shown here come from public SEC filings. Dates beside each section show the available history.
How Monolithic Power Systems, Inc. Makes Money
Follow each dollar of revenue through to what shareholders keep.
From revenue to net income
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Financial Summary
Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 15 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 3, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| Bank Julius Baer & Co. Ltd, Zurich | 2026-03-31 | 8,286 | $8.42M | SEC filing |
| INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | 2026-03-31 | 263 | $294K | SEC filing |
| Ethic Inc. | 2026-03-31 | 6,625 | $7.24M | SEC filing |
| WestEnd Advisors, LLC | 2026-03-31 | 1 | $1.09K | SEC filing |
| MATHER GROUP, LLC. | 2026-03-31 | 992 | $1.08M | SEC filing |
| Focus Partners Wealth | 2026-03-31 | 3,099 | $3.54M | SEC filing |
| Anther Capital Ltd | 2026-03-31 | 233,288 | $255M | SEC filing |
| NORTHERN TRUST CORP | 2026-03-31 | 489,120 | $535M | SEC filing |
| NewEdge Wealth, LLC | 2026-03-31 | 33,727 | $36.9M | SEC filing |
| Strategic Wealth Partners, Ltd. | 2026-03-31 | 0 | $440 | SEC filing |
| Brooklyn Investment Group | 2026-03-31 | 3,369 | $3.68M | SEC filing |
| CHOREO, LLC | 2026-03-31 | 1,223 | $1.34M | SEC filing |
| IAG Wealth Partners, LLC | 2026-03-31 | 10 | $10.9K | SEC filing |
| Ameritas Advisory Services, LLC | 2026-03-31 | 192 | $210K | SEC filing |
| Boomfish Wealth Group, LLC | 2026-03-31 | 1,213 | $1.33M | SEC filing |
| Westfuller Advisors, LLC | 2026-03-31 | 21 | $23.3K | SEC filing |
| Savant Capital, LLC | 2026-03-31 | 644 | $704K | SEC filing |
| Robeco Institutional Asset Management B.V. | 2026-03-31 | 13,873 | $15.2M | SEC filing |
| Krilogy Financial LLC | 2026-03-31 | 1,023 | Not shown | SEC filing |
| HMS Capital Management, LLC | 2026-03-31 | 769 | $841K | SEC filing |
- Each value is checked against Monolithic Power Systems, Inc.'s share prices from within about three months of its report date (insiders' Form 4 trades and the latest close).
- Value not shown for 1 row: the value per share could not be confirmed against the share prices on file from within three months of the report date.
120 filers have only one report here.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among Monolithic Power Systems, Inc.'s recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2026-05-27 · Tseng Saria: Larger than 215 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-05-22 · Tseng Saria: Larger than 206 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-05-18 · Hsing Michael: Larger than 207 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-05-18 · Hsing Michael: Larger than 214 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-05-18 · Hsing Michael: Larger than 209 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-05-18 · Hsing Michael: Larger than 210 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-05-06 · Xiao Deming: Larger than 219 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-05-06 · Xiao Deming: Larger than 221 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-03-30 · Tseng Saria: Larger than 216 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-03-30 · Tseng Saria: Larger than 208 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-02-12 · Hsing Michael: Larger than 220 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-02-11 · Hsing Michael: Larger than 222 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-02-11 · Hsing Michael: Larger than 211 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-02-10 · Hsing Michael: Larger than 212 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-02-10 · Hsing Michael: Larger than 223 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-02-06 · BLEGEN THEODORE: Larger than 224 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-02-06 · Xiao Deming: Larger than 225 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-02-06 · Sciammas Maurice: Larger than 225 of the 228 other insider sales of Common Stock on file. SEC filing
- 2026-02-06 · Hsing Michael: Larger than all 228 other insider sales of Common Stock on file. SEC filing
- 2026-02-06 · Tseng Saria: Larger than 225 of the 228 other insider sales of Common Stock on file. SEC filing
- 2025-11-26 · Tseng Saria: Larger than 218 of the 228 other insider sales of Common Stock on file. SEC filing
- 2025-11-25 · Tseng Saria: Larger than 217 of the 228 other insider sales of Common Stock on file. SEC filing
- 2025-11-19 · Sciammas Maurice: Larger than 213 of the 228 other insider sales of Common Stock on file. SEC filing
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-06-01 | Sciammas Maurice · EVP, WW Sales & Marketing | Common Stock | S — Open market or private sale | −30 | 1,533.95 | SEC filing |
| 2026-05-27 | Tseng Saria · EVP & General Counsel | Common Stock | S — Open market or private sale | −7,565 | 1,700.00 | SEC filing |
| 2026-05-26 | DEAN ROBERT W II · Interim CFO | Common Stock | S — Open market or private sale | −22 | 1,649.56 | SEC filing |
| 2026-05-26 | Zhou Jeff · Director | Common Stock | S — Open market or private sale | −486 | 1,680.00 | SEC filing |
| 2026-05-22 | Tseng Saria · EVP & General Counsel | Common Stock | S — Open market or private sale | −5,000 | 1,586.43 | SEC filing |
| 2026-05-18 | Hsing Michael · CEO | Common Stock | S — Open market or private sale | −5,819 | 1,467.62 | SEC filing |
| 2026-05-18 | Hsing Michael · CEO | Common Stock | S — Open market or private sale | −5,737 | 1,482.51 | SEC filing |
| 2026-05-18 | Hsing Michael · CEO | Common Stock | S — Open market or private sale | −352 | 1,518.15 | SEC filing |
Showing 8 of 10 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-05-29 | Sciammas Maurice · EVP, WW Sales & Marketing | Common Stock | G — Bona fide gift | −12,472 | SEC filing |
| 2026-05-22 | Tseng Saria · EVP & General Counsel | Common Stock | G — Bona fide gift | −200 | SEC filing |
| 2026-05-13 | Sciammas Maurice · EVP, WW Sales & Marketing | Common Stock | G — Bona fide gift | −1,563 | SEC filing |
| 2026-05-13 | Sciammas Maurice · EVP, WW Sales & Marketing | Common Stock | G — Bona fide gift | +1,563 | SEC filing |
| 2026-02-03 | Xiao Deming · EVP, Global Operations | Common Stock | A — Grant, award, or other acquisition | +57,170 | SEC filing |
| 2026-02-03 | Tseng Saria · EVP & General Counsel | Common Stock | A — Grant, award, or other acquisition | +57,170 | SEC filing |
| 2026-02-03 | CHANG KUO WEI HERBERT · Director | Common Stock | A — Grant, award, or other acquisition | +189 | SEC filing |
| 2026-02-03 | Zhou Jeff · Director | Common Stock | A — Grant, award, or other acquisition | +189 | SEC filing |
Showing 8 of 19 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-05-13 | DEAN ROBERT W II · Interim CFO | Common Stock | J — Other acquisition or disposition | −2,156 | SEC filing |
Showing 1 of 1 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.