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

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

1 of 2

MASI insiders have bought more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when MASI insiders and whales buy or sell their stock.

MASI Shareholders

What type of owners hold Masimo Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc18.21%9,871,428$1.66BInstitution
Fmr LLC15.08%8,178,763$1.38BInstitution
Politan Capital Management LP8.70%4,716,536$793.37MInsider
Politan Capital Management LP8.70%4,714,746$793.07MInstitution
Vanguard Group Inc8.45%4,583,276$770.95MInstitution
Joe E. Kiani5.95%3,226,230$542.68MInsider
Capital Research Global Investors3.79%2,056,095$345.86MInstitution
Massachusetts Financial Services Co3.63%1,967,838$331.01MInstitution
T Rowe Price Investment Management Inc3.09%1,673,252$281.46MInstitution
State Street Corp2.72%1,475,991$248.28MInstitution

1 of 3

MASI vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MASI84.14%15.86%Net BuyingNet Buying
PEN89.21%10.14%Net SellingNet Buying
GMED77.75%22.25%Net Selling
BIO23.50%76.50%Net SellingNet Selling
BRKR51.67%48.33%Net BuyingNet Buying

Masimo Stock Ownership FAQ

Who owns Masimo?

Masimo (NASDAQ: MASI) is owned by 100.00% 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 $793.37M.

If you're new to stock investing, here's how to buy Masimo stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.