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MASI

Masimo Corporation

Sector: healthcareMedical - Instruments & SuppliesNASDAQMarket Cap: $9.41B

Masimo Corporation develops non-invasive patient monitoring technologies, with its primary political exposure being $2.6M in annual physician payments and a single congressional sale of its stock.

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Govt Dependence
15/100
Regulatory Density
85/100
Lobbying Intensity
0/100
Political Signal
NEUTRAL

BusinessWhat MASI does

Masimo Corporation is a medical technology company that develops and manufactures non-invasive patient monitoring sensors, systems, and software. Its revenue is derived from the sale of pulse oximetry and other monitoring equipment to hospitals and healthcare providers, supported by significant federal contract obligations and physician payment programs.

12 months past · 3 months futureMASI activity timeline

$185$154$124 OctNovDecJan '26FebMarAprMayJunJulAugSepOctNovDec ↓ PAST — recorded activity ↑ FUTURE — scheduled markups · pending votes TODAY · Sep 14 $179.95 hi $127.40 lo $179.95 CONGRESS 22 INSIDERS 0 13F FUNDS 30 BILLS 9 Kevin Hern (R) · sale · 2025-09-26Kevin Hern (R) · Sale · 2025-09-26 Renaissance Technologies · + $42600M · 2026-03-31Soros Fund Management · OPENED $17936M · 2026-03-31Viking Global Investors · + $158M · 2025-09-30Viking Global Investors · - $67M · 2025-12-31D.E. Shaw & Co. · OPENED $9M · 2025-12-31Citadel Advisors · + $8M · 2025-09-30Renaissance Technologies · OPENED $8M · 2025-12-31Citadel Advisors · - $5M · 2025-12-31Bridgewater Associates · holds · 2025-09-30 MARKUP · House Appropriations Subcommittee on Financial Services and · 2026-09-15MARKUP · House Energy and Commerce Subcommittee on Energy · 2026-09-15MARKUP · House Appropriations Subcommittee on Departments of Transpor · 2026-09-15MARKUP · Senate Finance · 2026-09-15MARKUP · House Energy and Commerce Subcommittee on Health · 2026-09-15MARKUP · House Education and Workforce Subcommittee on Health, Employ · 2026-09-15MARKUP · Senate Health, Education, Labor, and Pensions · 2026-09-16MARKUP · House Appropriations Subcommittee on National Security, Depa · 2026-09-16MARKUP · House Education and Workforce Subcommittee on Higher Educati · 2026-09-16
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)
198 trading days · 2 congressional trades shown · 0 insider buys · 9 13F filings · 0 past bill actions · 9 upcoming markups

Executive Branch ConflictsMASI held by Trump-administration officials

Lifetime Government AwardsMASI federal contracts by year

$9M
total awarded · 2008–2020
1000
contracts on file
2020
peak year ($2M)
$2M $1M 2008: $0 across 1 contract $0 2008 2010: $86K across 2 contracts $86K 2010 2 contracts 2011: $181K across 3 contracts $181K 2011 3 contracts 2012: $582K across 33 contracts $582K 2012 33 contracts 2013: $791K across 33 contracts $791K 2013 33 contracts 2014: $378K across 22 contracts $378K 2014 22 contracts 2015: $726K across 18 contracts $726K 2015 18 contracts 2016: $146K across 13 contracts $146K 2016 13 contracts 2017: $632K across 63 contracts $632K 2017 63 contracts 2018: $2M across 337 contracts $2M 2018 337 contracts 2019: $2M across 282 contracts $2M 2019 282 contracts 2020: $2M across 193 contracts (peak year) $2M 2020 193 contracts
Top contracts by award amount
$526K Department of Veterans Affairs 2020-06-04 COVID 19 EMERGENCY
$253K Department of Veterans Affairs 2018-05-26 MASIMO SYSTEM UPGRADE TO V5000 RADIUS 7
$249K Department of Veterans Affairs 2020-04-15 MASIMO ROOT VITAL SIGN MACHINE
$247K Department of Veterans Affairs 2013-03-22 PROCUREMENT OF MEDICAL EQUIPMENT
$230K Department of Health and Human Serv 2019-12-19 20-GIMC-MEDICAL SUPPLY-SUPPLIES VENDOR MASIMO CORPORATION - PERIOD OF
13 years · 1000 contracts

Smart Money · 13F HoldingsHedge funds holding MASI

$60.62B
Total MASI held by tracked 13F funds
6
Funds with MASI positions
+2
Funds opened this quarter
Renaissance Technologies $42.60B +300% 2026-03-31
Soros Fund Management $17.94B opened 2026-03-31
Viking Global Investors $67M -52% 2025-12-31
D.E. Shaw & Co. $9M opened 2025-12-31
Citadel Advisors $5M -28% 2025-12-31
Bridgewater Associates $211K -6% 2025-12-31

Politicians Trading MASIMembers of Congress with recent MASI positions

1 politicians traded MASI across 2 disclosed transactions totaling $65K (last 730 days). Greed score = composite of trade frequency, volume & recency across the politician's entire history (not just MASI). 0-30 LOW · 30-60 MID · 60+ HIGH.

Congressional TradesWho in Congress is trading MASI

2025-09-26 Kevin Hern R-Oklahoma · house sale $15,001 - $50,000
2025-09-26 Kevin Hern R-Oklahoma · house Sale $15,001 - $50,000
2022-12-19 Kevin Hern R-Oklahoma · house sale $50,001 - $100,000
2022-12-19 Kevin Hern R-Oklahoma · house Sale $50,001 - $100,000
2022-10-05 Tommy Tuberville R-Alabama · senate Sale (Full) $1,001 - $15,000
2022-10-05 Tommy Tuberville R-Alabama · senate sale $1,001 - $15,000
2022-05-23 Ro Khanna D-California · house Purchase $1,001 - $15,000
2022-05-23 Ro Khanna D-California · house purchase $1,001 - $15,000
2022-03-30 Tommy Tuberville R-Alabama · senate Purchase $1,001 - $15,000
2022-03-30 Tommy Tuberville R-Alabama · senate purchase $1,001 - $15,000
2022-02-17 Ro Khanna D-California · house sale $1,001 - $15,000
2022-02-17 Ro Khanna D-California · house Sale $1,001 - $15,000
22+ trades on file · most recent 2025-10-16

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

No Form 4 activity recorded in the last 180 days.

Political ProfileWhere MASI sits in Washington

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STRUCTURAL: High regulatory density from $2.6M in annual physician payments (`get_political_influence.doctor_payments`) and $10.4M in federal contracts (`get_government_precedent`). EVIDENTIARY: No insider buying (`get_corporate_insider_signal.total_buys: 0`), but a congressional sale (`Top congressional traders`) and a nominal Trump holding (`get_executive_branch_exposure.by_ticker[0].holdings[0].value_bucket: 'None (or less than $1,001)'`). Net: High compliance burden with no clear directional political alignment.

Regulatory ExposureThreats & opportunities

Regulatory threats

  • Heightened scrutiny of physician payment programs under the Sunshine Act.
    Centers for Medicare & Medicaid Services (CMS)
    "`get_political_influence.doctor_payments` shows 2,386 payments totaling $2.6M in 2024, a recurring compliance and reputational exposure."

Regulatory opportunities

  • Continued federal procurement as a medical device supplier to defense and health agencies.
    Department of Veterans Affairs, Department of Defense
    "`get_government_precedent.federal_contracts_summary[0]` lists 500 contracts totaling $10.4M across five agencies."

Capitol Hill AlliesChampions & critics

Congressional champions

  • No specific congressional champions identified.

Congressional critics

Member intelligence layer

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Frequently AskedAbout MASI & political exposure

Does Masimo Corporation (MASI) hold federal contracts?
Yes. Masimo Corporation has 4104 federal contract awards totaling $23,021,802, primarily from agencies including Department of Agriculture, Department of Defense, Department of Energy. See full contract list and amounts on this page.
Which Trump cabinet officials own MASI stock?
1 Trump cabinet members or senior White House staff have disclosed holdings in MASI on their OGE 278 financial disclosures, including Donald J. Trump. See the Cabinet Conflicts panel for details.
Has Congress traded MASI stock?
22 congressional trades by 4 unique members of Congress, most recently on 2025-09-26. See the Congressional Trading panel for politician-by-politician breakdown.
What is MASI political risk profile?
Government dependence: 15/100. Lobbying intensity: 0/100. Political signal: neutral. Donor party split: R 0% / D 0%.
How does GovGreed track MASI 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. MASI data is updated daily from these official federal sources.