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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.

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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

$1741$1282$824 OctNovDecJan '26FebMarAprMayJunJulAugSepOctNovDec ↓ PAST — recorded activity ↑ FUTURE — scheduled markups · pending votes TODAY · Sep 14 $1689.89 hi $849.71 lo $1188.08 CONGRESS 30 INSIDERS 0 13F FUNDS 30 BILLS 48 Byron Donalds (R) · Sale · 2026-06-05Markwayne Mullin (R) · Purchase · 2026-02-04Markwayne Mullin (R) · Purchase · 2026-01-05Michael Guest (R) · purchase · 2025-10-20Michael Guest (R) · Purchase · 2025-10-20 Two Sigma Investments · + $13140M · 2026-03-31Citadel Advisors · + $238M · 2025-09-30Millennium Management · + $157M · 2025-09-30Citadel Advisors · - $58M · 2025-12-31D.E. Shaw & Co. · holds $39M · 2025-09-30D.E. Shaw & Co. · - $32M · 2025-12-31Millennium Management · - $22M · 2025-12-31Renaissance Technologies · OPENED $7M · 2025-09-30Bridgewater Associates · OPENED $3M · 2025-12-31Two Sigma Investments · OPENED $1M · 2025-12-31 MARKUP · House Judiciary Subcommittee on Administrative State, Regula · 2026-09-14MARKUP · Senate Judiciary · 2026-09-15MARKUP · House Judiciary Subcommittee on Crime and Federal Government · 2026-09-15MARKUP · House Judiciary Subcommittee on Immigration Integrity, Secur · 2026-09-15MARKUP · House Financial Services · 2026-09-15MARKUP · House Science, Space, and Technology · 2026-09-15MARKUP · House Energy and Commerce Subcommittee on Energy · 2026-09-15MARKUP · House Energy and Commerce Subcommittee on Health · 2026-09-15MARKUP · House Education and Workforce Subcommittee on Health, Employ · 2026-09-15MARKUP · House Small Business Subcommittee on Innovation, Entrepreneu · 2026-09-15MARKUP · Senate Intelligence (Select) · 2026-09-15MARKUP · House Financial Services · 2026-09-16MARKUP · House Homeland Security · 2026-09-16MARKUP · House Science, Space, and Technology Subcommittee on Investi · 2026-09-16MARKUP · Senate Commerce, Science, and Transportation · 2026-09-16MARKUP · Senate Judiciary · 2026-09-16MARKUP · House Education and Workforce Subcommittee on Higher Educati · 2026-09-16MARKUP · Senate Intelligence (Select) · 2026-09-16MARKUP · Senate Armed Services · 2026-09-17MARKUP · Senate Banking, Housing, and Urban Affairs · 2026-09-17MARKUP · Senate Judiciary · 2026-09-17MARKUP · Senate Commerce, Science, and Transportation · 2026-09-17MARKUP · House Financial Services Subcommittee on Financial Instituti · 2026-09-18
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)
249 trading days · 5 congressional trades shown · 0 insider buys · 10 13F filings · 0 past bill actions · 23 upcoming markups

Executive Branch ConflictsMPWR held by Trump-administration officials

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

$13.26B
Total MPWR held by tracked 13F funds
5
Funds with MPWR positions
+1
Funds opened this quarter
Two Sigma Investments $13.14B +1102% 2 overlap 2026-03-31
Citadel Advisors $58M -75% 4 overlap 2025-12-31
D.E. Shaw & Co. $32M -16% 4 overlap 2025-12-31
Millennium Management $22M -86% 4 overlap 2025-12-31
Bridgewater Associates $3M opened 4 overlap 2025-12-31

Politicians Trading MPWRMembers of Congress with recent MPWR positions

5 politicians traded MPWR across 15 disclosed transactions totaling $169K (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.

Congressional TradesWho in Congress is trading MPWR

2026-06-05 Byron Donalds R-Florida · house Sale $1,001 - $15,000
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
30+ trades on file · most recent 2026-07-16

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

No Form 4 activity recorded in the last 180 days.

Bills Affecting MPWRLive legislation impacting this stock

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

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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?
63 congressional trades by 7 unique members of Congress, most recently on 2026-06-05. 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.