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NASDAQ: MASI
Masimo Corp Stock Ownership - Who owns Masimo?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Masimo Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Bilal MuhsinChief Operating Officer2025-05-123,881$162.72
$631.51kSell
Bilal MuhsinChief Operating Officer2025-05-125,594$163.51
$914.66kSell
Bilal MuhsinChief Operating Officer2025-05-12525$164.96
$86.61kSell
Bilal MuhsinChief Operating Officer2025-05-1210,000$34.51
$345.10kBuy
Craig B. ReynoldsDirector2025-03-142,053$166.13
$341.07kSell
Bilal MuhsinChief Operating Officer2025-03-102,400$163.28
$391.87kSell
Bilal MuhsinChief Operating Officer2025-03-103,935$165.18
$649.98kSell
Bilal MuhsinChief Operating Officer2025-03-1010,087$166.03
$1.67MSell
Bilal MuhsinChief Operating Officer2025-03-101,436$166.71
$239.40kSell
Bilal MuhsinChief Operating Officer2025-03-1030,000$37.84
$1.14MBuy

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Net Insider Buy/Sell (L12M) Ownership

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MASI Shareholders

What type of owners hold Masimo Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc18.21%9,871,428$1.48BInstitution
Fmr LLC15.08%8,178,763$1.23BInstitution
Politan Capital Management LP8.70%4,716,536$707.06MInsider
Politan Capital Management LP8.70%4,714,746$706.79MInstitution
Vanguard Group Inc8.45%4,583,276$687.08MInstitution
Joe E. Kiani5.95%3,226,230$483.64MInsider
Capital Research Global Investors3.79%2,056,095$308.23MInstitution
Massachusetts Financial Services Co3.63%1,967,838$295.00MInstitution
T Rowe Price Investment Management Inc3.09%1,673,252$250.84MInstitution
State Street Corp2.72%1,475,991$221.27MInstitution

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MASI vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MASI84.11%15.89%Net BuyingNet Selling
GMED77.65%22.35%Net SellingNet Selling
BIO23.50%76.50%Net SellingNet Selling
PEN89.22%10.04%Net SellingNet Buying
GKOS66.11%33.89%Net SellingNet Selling
View Top Medical Device Stocks

Masimo Stock Ownership FAQ

Who owns Masimo?

Masimo (NASDAQ: MASI) is owned by 99.79% institutional shareholders, 18.85% Masimo insiders, and 0.00% retail investors. Politan Capital Management LP is the largest individual Masimo shareholder, owning 4.72M shares representing 8.70% of the company. Politan Capital Management LP's Masimo shares are currently valued at $708.09M.

If you're new to stock investing, here's how to buy Masimo stock.
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