Companies / Masimo Corporation

Masimo Corporation

Nasdaq: MASICIK 937556IRVINE, CA

Financials · FY2025

Revenue$1.53B
Net income$-151.50M
Total debt$458.30M
Cash$124.60M
Diluted EPS$-2.80
Shares outstanding52.4M

Ownership

52.4M shares outstanding · as of Apr 4, 2026
0.06%Insiders
Ownership
Insiders0.06%33,261
10%+ / strategic12.86%6,736,277
Institutions103.74%54,325,203
Public float0.00%0

Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 12

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Insider% of sharesShares
Sampath AnandFormerEVP, Operations
0.08%40,909
Young Micah WEVP & Chief Financial Officer
0.05%25,656
Szyman Catherine M.CEOCEO · Director
0.01%7,605
Lane Wendy EDirector
0.00%0
Benner TimFormerChief Marketing Officer
——
Dadswell CharlesFormerEVP, General Counsel
——
Hellmann Elisabeth AFormerChief Human Resources Officer
——
Koffey Quentin—
——
Meehan Greg AllenFormerChief Commerical Officer
——
Politan Capital Management GP LLC—
——

Institutional holders 422

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HolderValue% of shares
BlackRock, Inc.$1.15B16.91%
Fmr LLC$1.02B15.02%
Politan Capital Management LP$596.93M8.76%
Vanguard Group Inc$565.60M8.30%
Hbk Investments L P$458.21M4.92%
Massachusetts Financial Services Company$346.46M5.09%
Naya Capital Management UK Ltd$202.98M2.98%
State Street Corporation$184.06M2.70%
Millennium Management LLC$175.89M1.89%
Geode Capital Management, LLC$170.21M1.83%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Jan 28, 2026Sampath Anand
Executive
SellCommon Stock$1.63M-12K
-20.01%
47,665
0.09% of shares
medium
Feb 12, 2026Szyman Catherine M.
CEO
ExerciseCommon Stock$1.48M+11K
11,141
0.02% of shares
low
Feb 27, 2026Young Micah W
Executive
OtherCommon Stock$1.42M-8K
-24.27%
25,254
0.05% of shares
low
Jan 28, 2026Sampath Anand
Executive
ExerciseCommon Stock$1.14M+30K
+101.39%
59,589
0.11% of shares
low
Jan 28, 2026Sampath Anand
Executive
SellCommon Stock$900.2K-7K
-13.76%
41,105
0.08% of shares
medium
Jun 10, 2026Lane Wendy E
Director
OtherCommon Stock$469.4K-3K
-100.00%
0
0.00% of shares
low
Feb 26, 2026Young Micah W
Executive
OtherCommon Stock$196.8K-1K
-5.77%
18,347
0.04% of shares
low
Mar 11, 2026Szyman Catherine M.
CEO
OtherCommon Stock$187.6K-1K
-12.32%
7,605
0.01% of shares
low

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—
Joe KianiPassive13G/A———
BlackRock Portfolio Management LLCPassive13G/A—4,386,302—
Fmr LLCPassive13G/A—2,349,975—
Joe KianiPassive13G/A———

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
MASI——574795100—