MPWR

Monolithic Power Systems, Inc.

Sector: technologySemiconductorsNASDAQMarket Cap: $57.68B

Monolithic Power Systems designs and sells high-performance power solutions for computing, storage, and automotive markets, with a primary political signal being two separate holdings by former President Donald J. Trump valued up to $15,000.

Govt Dependence

0/100

Regulatory Density

10/100

Lobbying Intensity

0/100

Political Signal

NEUTRAL

BusinessWhat MPWR does

Monolithic Power Systems is a fabless semiconductor company specializing in the design, development, and marketing of high-performance power solutions. Its products include DC-DC converters, LED drivers, and motor controllers used in computing, storage, automotive, industrial, and consumer applications. The company's revenue is derived from the sale of integrated circuits and related components.

12 months past · 3 months futureMPWR activity timeline

Congress

buy sell

Insider · Form 4

open-market buy

Hedge fund · 13F

opened + added − trimmed closed holds

Bills

past action (this ticker) upcoming markup (sector) ★ carveout (this ticker)

240 trading days · 4 congressional trades shown · 0 insider buys · 12 13F filings · 3 past bill actions · 31 upcoming markups

Executive Branch ConflictsMPWR held by Trump-administration officials

1 cabinet/senior official reported MPWR positions in OGE Form 278 disclosures across 2 filings.

Donald J. Trump

President · White House

Monolithic Power Systems Inc

$1,001 - $15,000 · self · 2025

Donald J. Trump

President · White House

Monolithic Power Systems Inc

None (or less than $1,001) · self · 2025

Lifetime Government AwardsMPWR federal contracts

MPWR doesn't hold direct federal contracts.

Verified via USASpending.gov: $0 reported in direct prime-contract awards. Companies in this position typically sell federal services indirectly through prime contractors and integrators (e.g., Lockheed Martin, Booz Allen, Microsoft Azure) or through commercial channels that don't appear in USASpending data.

Smart Money · 13F HoldingsHedge funds holding MPWR

$1.40B

Total MPWR held by tracked 13F funds

Funds with MPWR positions

+30

Funds opened this quarter

Citadel Advisors $238M opened 2025-09-30

Millennium Management $157M opened 2025-09-30

Millennium Management $147M opened 2024-09-30

Millennium Management $108M opened 2024-03-31

Millennium Management $86M opened 2025-03-31

Millennium Management $74M opened 2024-12-31

Citadel Advisors $73M opened 2024-12-31

Citadel Advisors $58M opened 4 overlap 2025-12-31

22 more 13F positions tracked · quarterly delta charts available in member dashboard

Politicians Trading MPWRMembers of Congress with recent MPWR positions

4 politicians traded MPWR across 16 disclosed transactions totaling $177K (last 730 days). Greed score = composite of trade frequency, volume & recency across the politician's entire history (not just MPWR). 0-30 LOW · 30-60 MID · 60+ HIGH.

Markwayne Mullin R-Oklahoma · senate 2 buys $65K 2026-02-04 LOW · 29 Ro Khanna D-California · house 4 buys 4 sells $64K 2025-04-23 LOW · 0 Robert P. Bresnahan R-Pennsylvania · house 2 buys 2 sells $32K 2025-04-08 LOW · 0 Michael Guest R-Mississippi · house 2 buys $16K 2025-10-20 LOW · 1

Congressional TradesWho in Congress is trading MPWR

2026-02-04 Markwayne Mullin R-Oklahoma · senate Purchase $15,001 - $50,000

2026-01-05 Markwayne Mullin R-Oklahoma · senate Purchase $15,001 - $50,000

2025-10-20 Michael Guest R-Mississippi · house purchase $1,001 - $15,000

2025-10-20 Michael Guest R-Mississippi · house Purchase $1,001 - $15,000

2025-04-23 Ro Khanna D-California · house Sale $1,001 - $15,000

2025-04-23 Ro Khanna D-California · house sale $1,001 - $15,000

2025-04-08 Robert P. Bresnahan R-Pennsylvania · house purchase $1,001 - $15,000

2025-04-08 Robert P. Bresnahan R-Pennsylvania · house Purchase $1,001 - $15,000

2025-03-12 Ro Khanna D-California · house sale $1,001 - $15,000

2025-03-12 Ro Khanna D-California · house Sale $1,001 - $15,000

2025-02-25 Ro Khanna D-California · house purchase $1,001 - $15,000

2025-02-25 Ro Khanna D-California · house Purchase $1,001 - $15,000

30+ trades on file · most recent 2026-03-02

Corporate Insiders · Form 4What CEOs, CFOs, and directors are doing with their own stock

Stock awards & option exercises

stock awards · $406.7M market value

2026-02-03 Hsing Michael CEO AWARD 136,825 sh $159.4M

2026-02-03 Tseng Saria EVP & General Counsel AWARD 57,170 sh $66.6M

2026-02-03 Xiao Deming EVP, Global Operations AWARD 57,170 sh $66.6M

2026-02-03 Sciammas Maurice EVP, WW Sales & Marketing AWARD 57,170 sh $66.6M

2026-02-03 BLEGEN THEODORE EVP and CFO AWARD 38,745 sh $45.1M

2026-02-03 Martinez Carintia Director AWARD 189 sh $220K

2026-02-03 Wynne Eileen Director AWARD 189 sh $220K

2026-02-03 Zhou Jeff Director AWARD 189 sh $220K

For MPWR, executives receive stock primarily as compensation rather than via open-market purchases — typical for established large-cap firms.

Bills Affecting MPWRLive legislation impacting this stock

HR.2152 · 119th

AI PLAN Act

Markup latest action 2026-05-13 MINIMAL

HR.1766 · 119th

NTIA Policy and Cybersecurity Coordination Act

Committee latest action 2025-07-15 MINIMAL

HR.1770 · 119th

Consumer Safety Technology Act

Committee latest action 2025-07-15 MINIMAL

HR.1838 · 119th

Broadband Internet for Small Ports Act

Committee latest action 2025-03-28 MINIMAL

HR.2099 · 119th

To amend the Workforce Innovation and Opportunity Act to authorize a study to review specific outcomes of entrepreneurial skills d

Committee latest action 2025-03-14 MINIMAL

S.1067 · 119th

Concrete and Asphalt Innovation Act of 2025

Committee latest action 2025-03-13 MINIMAL

S.1018 · 119th

Cybersecurity for Rural Water Systems Act

Committee latest action 2025-03-13 MINIMAL

HR.2058 · 119th

To amend the Workforce Innovation and Opportunity Act to define the term evidence-based.

Committee latest action 2025-03-11 MINIMAL

HR.1901 · 119th

CHIPP Act

Committee latest action 2025-03-06 MINIMAL

HR.1925 · 119th

Emerging Digital Identity Ecosystem Report Act of 2025

Committee latest action 2025-03-06 MINIMAL

Political ProfileWhere MPWR sits in Washington

[object Object]

STRUCTURAL: No lobbying spend (`get_political_influence.lobbying.total_income`: $0), no federal contracts (`get_government_precedent.federal_contracts_summary`: null), and no corporate insider buys (`get_corporate_insider_signal.total_buys`: 0). EVIDENTIARY: Two congressional traders (one R, one D) made four purchases totaling between $32,006 and $130,000 in the last 12 months. Former President Trump holds two positions (`get_executive_branch_exposure.by_ticker[0].positions`: 2). Net: Minimal structural footprint offset by low-volume evidentiary interest from political figures.

Capitol Hill AlliesChampions & critics

Congressional champions

Congressional critics

No specific congressional critics identified.

Member intelligence layer

Live signals + predictions for MPWR — for Founders

The free page above gives you the public record. Members see the real-time intelligence layer on top of it:

Live 7-layer signal scores when Congress trades MPWR
Bill Pass Index v2 odds for every bill on the watch list
Iron Triangle alerts (committee × donor × trade)
SEC Form 4 cluster detection (CEO + CFO + director buys)
Whale-Opportunity expected-value ranking
Custom watchlist alerts via email + Discord

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Frequently AskedAbout MPWR & political exposure

Does Monolithic Power Systems, Inc. (MPWR) hold federal contracts?

No direct prime contracts reported in USASpending.gov for Monolithic Power Systems, Inc.. Companies in the semiconductor and AI hardware sectors often sell to the federal government via prime contractors and cloud resellers (Microsoft Azure, AWS, Lockheed Martin systems integration) rather than as direct primes.

Which Trump cabinet officials own MPWR stock?

1 Trump cabinet members or senior White House staff have disclosed holdings in MPWR on their OGE 278 financial disclosures, including Donald J. Trump. See the Cabinet Conflicts panel for details.

Has Congress traded MPWR stock?

62 congressional trades by 7 unique members of Congress, most recently on 2026-02-04. See the Congressional Trading panel for politician-by-politician breakdown.

What is MPWR political risk profile?

Government dependence: 0/100. Lobbying intensity: 0/100. Political signal: neutral. Donor party split: R 0% / D 0%.

How does GovGreed track MPWR political activity?

GovGreed integrates STOCK Act congressional trade disclosures, FEC contributions, OGE executive-branch disclosures, USASpending federal contracts, Senate LDA lobbying filings, and SEC Form 4 corporate insider trades into a single queryable graph. MPWR data is updated daily from these official federal sources.