MPWR Smart Money
Monolithic Power Systems, Inc.
1W: -3.0%
1M: -10.2%
3M: -3.0%
YTD: +29.4%
1Y: +12.7%
3Y: +192.9%
5Y: +151.7%
$1,211.89
+44.62 (+3.82%)
Weekly Expected Move ±7.8%
$962
$1051
$1140
$1229
$1318
Credit Risk of going bust: not rated Debt: 0.0% of company value Bonds: none of note held by US funds details ▾
Not rated: no debt. Altman Z 47.94.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.
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🏦 Institutional Activity
Latest: Q2 20261,347
Institutions Holding
+106 vs prior
107.4%
Ownership
+29.32%
225
New
420
Increased
547
Reduced
81
Closed
👔 Insider Trades
25 records| Date | Name | Title | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-28 | Hsing Michael | officer: ceo | S-Sale | 130 | $1,356.94 | $176K | Filing |
| 2026-09-28 | Hsing Michael | officer: ceo | S-Sale | 10,967 | $1,351.43 | $14.8M | Filing |
| 2026-09-28 | Hsing Michael | officer: ceo | S-Sale | 6,343 | $1,347.15 | $8.5M | Filing |
| 2026-09-28 | Hsing Michael | officer: ceo | S-Sale | 5,783 | $1,343.76 | $7.8M | Filing |
| 2026-09-28 | Hsing Michael | officer: ceo | S-Sale | 2,949 | $1,338.66 | $3.9M | Filing |
| 2026-09-28 | Hsing Michael | officer: ceo | S-Sale | 1,111 | $1,333.34 | $1.5M | Filing |
| 2026-09-28 | Hsing Michael | officer: ceo | S-Sale | 2,121 | $1,328.54 | $2.8M | Filing |
| 2026-09-28 | Hsing Michael | officer: ceo | S-Sale | 596 | $1,323.31 | $789K | Filing |
| 2026-08-31 | Tseng Saria | officer: evp & general counsel | G-Gift | 2,000 | $— | $0 | Filing |
| 2026-08-24 | DEAN ROBERT W II | officer: interim cfo | J-J | 5 | $— | $0 | Filing |
| 2026-08-24 | DEAN ROBERT W II | officer: interim cfo | S-Sale | 32 | $1,297.72 | $42K | Filing |
| 2026-08-24 | CHANG KUO WEI HERBERT | director | S-Sale | 50 | $1,281.57 | $64K | Filing |
| 2026-08-17 | DEAN ROBERT W II | officer: interim cfo | S-Sale | 6 | $1,413.64 | $8K | Filing |
| 2026-08-11 | CHANG KUO WEI HERBERT | director | S-Sale | 50 | $1,420.00 | $71K | Filing |
| 2026-08-05 | DEAN ROBERT W II | officer: interim cfo | S-Sale | 105 | $1,344.27 | $141K | Filing |
| 2026-08-04 | Sciammas Maurice | officer: evp, ww sales & marketing | G-Gift | 25,000 | $— | $0 | Filing |
| 2026-08-03 | Sciammas Maurice | officer: evp, ww sales & marketing | S-Sale | 30 | $1,343.94 | $40K | Filing |
| 2026-07-25 | DEAN ROBERT W II | officer: interim cfo | A-Grant/Award | 1,359 | $— | $0 | Filing |
| 2026-07-15 | Sciammas Maurice | officer: evp, ww sales & marketing | S-Sale | 240 | $1,369.18 | $329K | Filing |
| 2026-07-15 | Sciammas Maurice | officer: evp, ww sales & marketing | S-Sale | 50 | $1,388.19 | $69K | Filing |
| 2026-07-15 | Sciammas Maurice | officer: evp, ww sales & marketing | S-Sale | 410 | $1,384.11 | $567K | Filing |
| 2026-07-15 | Sciammas Maurice | officer: evp, ww sales & marketing | S-Sale | 418 | $1,378.73 | $576K | Filing |
| 2026-07-15 | Sciammas Maurice | officer: evp, ww sales & marketing | S-Sale | 472 | $1,375.47 | $649K | Filing |
| 2026-07-15 | Sciammas Maurice | officer: evp, ww sales & marketing | S-Sale | 1,506 | $1,348.91 | $2.0M | Filing |
| 2026-07-15 | Sciammas Maurice | officer: evp, ww sales & marketing | S-Sale | 1,864 | $1,344.16 | $2.5M | Filing |
🏛️ Congressional Trades
25 records| Date | Politician | Chamber | Type | Amount | Filing |
|---|---|---|---|---|---|
| 2026-06-05 | Byron Donalds | House | Sell | $1,001 - $15,000 | Filing |
| 2026-06-05 | Byron Donalds | House | Sell | $1,001 - $15,000 | Filing |
| 2026-06-05 | Byron Donalds | House | Sell | $1,001 - $15,000 | Filing |
| 2026-06-05 | Byron Donalds | House | Sell | $1,001 - $15,000 | Filing |
| 2026-06-04 | Byron Donalds | House | Sell | $1,001 - $15,000 | Filing |
| 2026-06-04 | Byron Donalds | House | Sell | $1,001 - $15,000 | Filing |
| 2026-02-04 | Markwayne Mullin | Senate | Buy | $15,001 - $50,000 | Filing |
| 2026-01-29 | Ro Khanna | House | Sell | $1,001 - $15,000 | Filing |
| 2026-01-05 | Markwayne Mullin | Senate | Buy | $15,001 - $50,000 | Filing |
| 2026-01-05 | Markwayne Mullin | Senate | Buy | $15,001 - $50,000 | Filing |
| 2026-01-05 | Markwayne Mullin | Senate | Buy | $15,001 - $50,000 | Filing |
| 2026-01-05 | Markwayne Mullin | Senate | Buy | $15,001 - $50,000 | Filing |
| 2025-10-20 | Michael Patrick Guest | House | Buy | $1,001 - $15,000 | Filing |
| 2025-10-19 | Michael Guest | House | Buy | $1,001 - $15,000 | Filing |
| 2025-04-08 | Rob Bresnahan | House | Buy | $1,001 - $15,000 | Filing |
| 2025-01-12 | Robert P. Bresnahan | House | Sell | $1,001 - $15,000 | Filing |
| 2024-05-03 | Tommy Tuberville | Senate | Sell | $1,001 - $15,000 | Filing |
| 2024-05-03 | Thomas Hawley Tuberville | Senate | Sell | $1,001 - $15,000 | Filing |
| 2024-05-03 | Tommy Tuberville | Senate | Sell | $1,001 - $15,000 | Filing |
| 2024-03-25 | Ro Khanna | House | Sell | $1,001 - $15,000 | Filing |
| 2024-03-20 | Ro Khanna | House | Buy | $1,001 - $15,000 | Filing |
| 2024-02-13 | Ro Khanna | House | Buy | $1,001 - $15,000 | Filing |
| 2024-02-13 | Ro Khanna | House | Sell | $1,001 - $15,000 | Filing |
| 2024-01-10 | Ro Khanna | House | Sell | $1,001 - $15,000 | Filing |
| 2023-10-26 | Ro Khanna | House | Sell | $15,001 - $50,000 | Filing |
🏦 Top Institutional Holders
20 holders| Holder | Shares | Value | Date Reported | Filing | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5,589,925 | $7.7B | -482,542 | 2026-06-30 | Filing |
| FMR LLC | 5,177,258 | $7.2B | +776,427 | 2026-06-30 | Filing |
| VANGUARD CAPITAL MANAGEMENT LLC | 3,126,756 | $4.3B | +43,307 | 2026-06-30 | Filing |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2,504,858 | $3.5B | -11,634 | 2026-06-30 | Filing |
| Invesco Ltd. | 2,343,930 | $3.2B | +1,313,036 | 2026-06-30 | Filing |
| STATE STREET CORP | 2,282,186 | $3.2B | +93,732 | 2026-06-30 | Filing |
| GEODE CAPITAL MANAGEMENT, LLC | 1,195,281 | $1.6B | -236,785 | 2026-06-30 | Filing |
| FRANKLIN RESOURCES INC | 811,974 | $1.1B | -116,697 | 2026-06-30 | Filing |
| GOLDMAN SACHS GROUP INC | 780,650 | $1.1B | +212,586 | 2026-06-30 | Filing |
| NORGES BANK | 751,399 | $1.0B | +751,399 | 2026-06-30 | Filing |
| VAN ECK ASSOCIATES CORP | 746,237 | $1.0B | +221,666 | 2026-06-30 | Filing |
| MORGAN STANLEY | 727,885 | $1.0B | +71,518 | 2026-06-30 | Filing |
| BANK OF AMERICA CORP /DE | 536,236 | $741M | +154,074 | 2026-06-30 | Filing |
| ROYAL BANK OF CANADA | 487,212 | $674M | +13,844 | 2026-06-30 | Filing |
| FIRST TRUST ADVISORS LP | 482,781 | $667M | -108,572 | 2026-06-30 | Filing |
| NORTHERN TRUST CORP | 479,492 | $663M | -9,628 | 2026-06-30 | Filing |
| BARCLAYS PLC | 474,132 | $655M | -81,676 | 2026-06-30 | Filing |
| Rafferty Asset Management, LLC | 459,278 | $635M | +141,805 | 2026-06-30 | Filing |
| UBS Group AG | 449,479 | $621M | -90,934 | 2026-06-30 | Filing |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA | 442,176 | $611M | -125,593 | 2026-06-30 | Filing |