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MPWR NASDAQ

Monolithic Power Systems, Inc.
1W: -3.3% 1M: +2.6% 3M: +29.7% YTD: +66.7% 1Y: +123.8% 3Y: +295.4% 5Y: +409.7%
$1,589.81
+28.56 (+1.83%)
After Hours: $1565.00 (-24.81, -1.56%)
Weekly Expected Move ±7.4%
$1321 $1435 $1550 $1665 $1779
NASDAQ · Technology · Semiconductors · Alpha Radar Buy · Power 62 · $78.1B mcap · 47M float · 1.26% daily turnover · Short 66% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
1,232
Institutions Holding
+58 vs prior
56.5%
Ownership
+5.56%
164 New
354 Increased
563 Reduced
190 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-05-18 Hsing Michael officer: ceo S-Sale 130 $1,521.43 $198K Filing
2026-05-18 Hsing Michael officer: ceo S-Sale 5,819 $1,467.62 $8.5M Filing
2026-05-18 Hsing Michael officer: ceo S-Sale 352 $1,518.15 $534K Filing
2026-05-18 Hsing Michael officer: ceo S-Sale 551 $1,513.11 $834K Filing
2026-05-18 Hsing Michael officer: ceo S-Sale 3,769 $1,507.70 $5.7M Filing
2026-05-18 Hsing Michael officer: ceo S-Sale 2,929 $1,503.05 $4.4M Filing
2026-05-18 Hsing Michael officer: ceo S-Sale 862 $1,491.48 $1.3M Filing
2026-05-18 Hsing Michael officer: ceo S-Sale 6,688 $1,486.76 $9.9M Filing
2026-05-18 Hsing Michael officer: ceo S-Sale 5,737 $1,482.51 $8.5M Filing
2026-05-18 Hsing Michael officer: ceo S-Sale 4,082 $1,476.96 $6.0M Filing
2026-05-18 Hsing Michael officer: ceo S-Sale 5,049 $1,472.84 $7.4M Filing
2026-05-18 DEAN ROBERT W II officer: interim cfo S-Sale 4 $1,563.28 $6K Filing
2026-05-18 Hsing Michael officer: ceo S-Sale 3,424 $1,462.61 $5.0M Filing
2026-05-18 Hsing Michael officer: ceo S-Sale 608 $1,499.46 $912K Filing
2026-05-15 Sciammas Maurice officer: evp, ww sales & marketing S-Sale 50 $1,585.51 $79K Filing
2026-05-15 Sciammas Maurice officer: evp, ww sales & marketing S-Sale 447 $1,582.21 $707K Filing
2026-05-15 Sciammas Maurice officer: evp, ww sales & marketing S-Sale 703 $1,577.75 $1.1M Filing
2026-05-15 Sciammas Maurice officer: evp, ww sales & marketing S-Sale 2,020 $1,567.15 $3.2M Filing
2026-05-15 Sciammas Maurice officer: evp, ww sales & marketing S-Sale 2,010 $1,562.01 $3.1M Filing
2026-05-15 Sciammas Maurice officer: evp, ww sales & marketing S-Sale 1,717 $1,557.48 $2.7M Filing
2026-05-15 Sciammas Maurice officer: evp, ww sales & marketing S-Sale 3,741 $1,550.36 $5.8M Filing
2026-05-15 Sciammas Maurice officer: evp, ww sales & marketing S-Sale 1,312 $1,571.49 $2.1M Filing
2026-05-13 Sciammas Maurice officer: evp, ww sales & marketing G-Gift 1,563 $— $0 Filing
2026-05-06 Elmiger Eugen J director S-Sale 814 $1,566.36 $1.3M Filing
2026-05-06 Elmiger Eugen J director S-Sale 320 $1,559.88 $499K Filing

🏛️ Congressional Trades

25 records
Date Politician Chamber Type Amount Filing
2026-02-04 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
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
2025-04-08 Rob Bresnahan House Buy $1,001 - $15,000 Filing
2024-05-03 Tommy 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
2023-10-17 Tommy Tuberville Senate Buy $1,001 - $15,000 Filing
2023-10-17 Tommy Tuberville Senate Buy $1,001 - $15,000 Filing
2023-06-15 Ro Khanna House Sell $1,001 - $15,000 Filing
2023-04-03 Tommy Tuberville Senate Sell $1,001 - $15,000 Filing
2023-04-03 Tommy Tuberville Senate Sell $1,001 - $15,000 Filing
2023-04-03 Tommy Tuberville Senate Sell $1,001 - $15,000 Filing
2023-04-03 Tommy Tuberville Senate Sell $1,001 - $15,000 Filing
2023-01-09 Ro Khanna House Buy $1,001 - $15,000 Filing
2022-11-03 Ro Khanna House Sell $1,001 - $15,000 Filing
2022-11-02 Ro Khanna House Buy $1,001 - $15,000 Filing

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
BlackRock, Inc. 6,072,467 $6.6B +110,076 2026-03-31 Filing
FMR LLC 4,400,831 $4.8B +423,823 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 3,083,449 $3.4B +3,083,449 2026-03-31 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 2,516,492 $2.8B +2,516,492 2026-03-31 Filing
STATE STREET CORP 2,188,454 $2.4B +8,035 2026-03-31 Filing
Invesco Ltd. 1,485,093 $1.6B +50,404 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 1,432,066 $1.6B +49,786 2026-03-31 Filing
FRANKLIN RESOURCES INC 928,671 $1.0B -120,738 2026-03-31 Filing
FIRST TRUST ADVISORS LP 591,353 $647M -110,101 2026-03-31 Filing
GOLDMAN SACHS GROUP INC 568,064 $621M -25,678 2026-03-31 Filing
MASSACHUSETTS FINANCIAL SERVICES CO /MA 567,769 $621M -2,950 2026-03-31 Filing
BARCLAYS PLC 555,808 $608M -48,994 2026-03-31 Filing
UBS Group AG 540,413 $591M +101,428 2026-03-31 Filing
JPMORGAN CHASE & CO 554,919 $556M +42,646 2026-03-31 Filing
NORTHERN TRUST CORP 489,120 $535M +5,420 2026-03-31 Filing
ROYAL BANK OF CANADA 473,368 $518M +296,788 2026-03-31 Filing
VOYA INVESTMENT MANAGEMENT LLC 393,559 $430M +53,827 2026-03-31 Filing
BANK OF AMERICA CORP /DE 382,162 $418M -167,413 2026-03-31 Filing
Legal & General Group Plc 380,089 $416M +23,450 2026-03-31 Filing
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 376,374 $412M +10,990 2026-03-31 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms