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Disclosery

MASI MASIMO CORP

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Stock (common)

388 managers (392 13F filers) reported a position in MASI shares at 2025-12-31, 55,358,843 shares in all. 74 filers opened a position and 49 filers sold out during the quarter.

Managers
388
13F filers
392
New
74
Added
102
Reduced
132
Sold out
49
Shares held by filers
55,358,843

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Eukles Asset Management4,350$566K0.22%-8813F-HRTimeline
NEOS Investment Management LLC4,342$565K<0.01%-14013F-HRTimeline
Tema ETFs LLC4,342$565K0.04%-14013F-HRTimeline
New Age Alpha Advisors, LLC4,238$551K0.02%+2,06713F-HRTimeline
Private Advisor Group, LLC4,225$550K<0.01%-2113F-HRTimeline
CAPTRUST FINANCIAL ADVISORS3,852$501K<0.01%new13F-HRTimeline
Vestcor Inc3,825$497K0.01%013F-HRTimeline
Avior Wealth Management, LLC3,797$494K0.02%-1513F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\3,764$490K<0.01%013F-HRTimelineGroup
HighTower Advisors, LLC3,747$487K<0.01%-40613F-HRTimeline
QUADRANT CAPITAL GROUP LLC3,746$487K0.01%-1,13513F-HRTimeline
GSA CAPITAL PARTNERS LLP3,682$479K0.04%new13F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.3,672$478K<0.01%-1,44113F-HRTimelineGroup
Federation des caisses Desjardins du Qu…3,657$476K<0.01%+56413F-HRTimeline
AlphaGrep UK Ltd3,657$476K0.16%13F-HRTimeline
VERUS CAPITAL PARTNERS, LLC3,651$475K0.03%013F-HR/ATimeline
Krilogy Financial LLC3,362$471K0.02%new13F-HRTimeline
Versor Investments LP3,564$464K0.07%+1,31213F-HRTimeline
Mitsubishi UFJ Trust & Banking Corpgroup of 2 filers holding3,502$446K-8,650Timeline
OXFORD FINANCIAL GROUP, LTD. LLC3,430$446K0.02%013F-HRTimeline
SECURIAN ASSET MANAGEMENT, INC3,333$433K0.02%-10013F-HRTimeline
M&T Bank Corpin group M&T Bank Corp3,324$432K<0.01%+31713F-HR/ATimelineGroup
NorthCrest Asset Manangement, LLC3,133$420K0.01%new13F-HRTimeline
CenterBook Partners LP3,148$409K0.02%new13F-HRTimeline
Curi Capital, LLC3,143$409K0.01%new13F-HRTimeline
Farringdon Capital, Ltd.3,141$409K0.1%new13F-HRTimeline
Havemeyer Place LP3,020$393K0.08%13F-HRTimeline
Merit Financial Group, LLC2,981$388K<0.01%new13F-HRTimeline
COLDSTREAM CAPITAL MANAGEMENT INC2,963$385K<0.01%+29513F-HRTimeline
State of Wyoming2,896$377K0.04%-52613F-HRTimeline
111 Capital2,871$373K0.08%+1,20513F-HRTimeline
TWO SIGMA SECURITIES, LLC2,711$353K0.05%new13F-HRTimeline
Ensign Peak Advisors, Inc2,711$353K<0.01%-24,65013F-HR/ATimeline
180 WEALTH ADVISORS, LLC2,662$346K0.04%+4213F-HRTimeline
BUCKHEAD CAPITAL MANAGEMENT LLC2,650$345K0.12%013F-HRTimeline
Crossmark Global Holdings, Inc.2,640$343K<0.01%013F-HRTimeline
Wesleyan Assurance Society2,550$331K0.02%013F-HRTimeline
KCM INVESTMENT ADVISORS LLC2,515$327K0.01%013F-HRTimeline
OPPENHEIMER ASSET MANAGEMENT INC.in group OPPENHEIMER ASSET MANAGEMENT …2,503$326K<0.01%-29413F-HRTimelineGroup
ORSER CAPITAL MANAGEMENT, LLC2,450$319K0.18%new13F-HRTimeline
TOWNSQUARE CAPITAL LLC2,444$318K0.07%-24113F-HRTimeline
Utah Retirement Systems2,382$310K<0.01%013F-HRTimeline
Headlands Technologies LLC2,350$306K0.03%new13F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP2,341$304K<0.01%-59,59313F-HRTimelineGroup
Fiduciary Trust Coin group Fiduciary Trust Co2,339$304K<0.01%+30413F-HRTimelineGroup
HB Wealth Management, LLC2,337$304K<0.01%new13F-HRTimeline
NATIXISin group Natixis Investment Managers2,286$297K<0.01%new13F-HRTimelineGroup
INCEPTIONR LLC2,202$286K0.08%new13F-HRTimeline
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…2,173$283K<0.01%013F-HRTimelineGroup
Hardy Reed LLC2,172$282K0.02%013F-HRTimeline
Cadence Bank2,172$282K0.02%013F-HRTimeline
Farther Finance Advisors, LLC2,144$279K<0.01%+1,07013F-HRTimeline
nVerses Capital, LLC2,067$269K0.6%new13F-HRTimeline
Maryland State Retirement & Pension Sys…2,028$264K0.01%013F-HRTimeline
Aigen Investment Management, LP2,018$262K0.06%new13F-HRTimeline
BEESE FULMER INVESTMENT MANAGEMENT, INC.2,002$260K0.02%new13F-HRTimeline
Virtu Financial LLCin group Virtu Financial LLC1,985$258K0.01%new13F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC1,958$257K<0.01%-1,76413F-HRTimelineGroup
SILVER OAK SECURITIES, INCORPORATED1,955$256K0.02%013F-HRTimeline
Blueshift Asset Management, LLC1,966$256K0.07%-3,36413F-HRTimeline
Chicago Partners Investment Group LLC1,796$254K0.01%new13F-HRTimeline
MISSION WEALTH MANAGEMENT, LP1,885$245K<0.01%+27913F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC1,850$241K<0.01%+9713F-HRTimelineGroup
ProShare Advisors LLC1,830$238K<0.01%-13413F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC1,762$229K<0.01%+27013F-HRTimeline
iSAM Funds (UK) Ltdin group iSAM Funds (UK) Ltd1,762$229K0.08%+1,06313F-HRTimelineGroup
Vident Advisory, LLCin group Vident Advisory, LLC1,748$227K<0.01%-5513F-HRTimelineGroup
Rothschild Wealth LLC1,747$227K0.02%new13F-HR/ATimeline
Allworth Financial LP1,695$220K<0.01%+79013F-HRTimeline
Sanctuary Advisors, LLC1,672$217K<0.01%new13F-HRTimeline
CIBC Asset Management Inc1,669$217K<0.01%013F-HRTimeline
PINNACLE ASSOCIATES LTD1,667$217K<0.01%new13F-HRTimeline
M&G PLCin group M&G PLC1,623$211K<0.01%013F-HRTimelineGroup
Bridgewater Associates, LP1,619$211K<0.01%-9513F-HRTimeline
Connor, Clark & Lunn Investment Managem…1,611$210K<0.01%new13F-HRTimeline
SummitTX Capital, L.P.1,603$208K0.01%new13F-HRTimeline
North Dakota State Investment Board1,602$208K0.01%13F-HRTimeline
SHELTON CAPITAL MANAGEMENT1,592$207K<0.01%013F-HRTimeline
Inscription Capital, LLC1,570$204K0.02%-4113F-HRTimeline
MIRABELLA FINANCIAL SERVICES LLP1,551$202K0.02%new13F-HRTimeline
Vontobel Holding Ltd.in group Vontobel Holding Ltd.1,549$201K<0.01%new13F-HRTimelineGroup
Clearstead Advisors, LLC1,389$181K<0.01%+91913F-HRTimeline
KBC Group NVin group KBC Group NV1,258$164K<0.01%013F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,202$156K<0.01%-33213F-HRTimelineGroup
WHITTIER TRUST CO1,134$155K<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…976$127K<0.01%+74913F-HRTimelineGroup
Caitong International Asset Management …890$116K0.03%new13F-HR/ATimeline
Essential Partners LLC887$115K0.04%+85713F-HRTimeline
Eurizon Capital SGR S.p.A.784$103K<0.01%13F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.655$85K<0.01%+7513F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
HARBOR INVESTMENT ADVISORY, LLC624$81.2K0.01%-37513F-HRTimeline
FIFTH THIRD BANK, NATIONAL ASSOCIATIONgroup of 2 filers holding577$75K-1,467Timeline
IFP Advisors, Inc509$66.2K<0.01%+49313F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.477$62.1K<0.01%-20413F-HRTimelineGroup
UMB Bank, n.a.465$60.5K<0.01%+22613F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Bayforest Capital Ltd464$60.3K0.04%-3,09513F-HRTimeline
SIGNATUREFD, LLC408$53.1K<0.01%+2613F-HRTimeline
DANSKE BANK A/S400$52K<0.01%013F-HRTimeline
DHJJ Financial Advisors, Ltd.360$46.8K0.02%013F-HRTimeline
Kohmann Bosshard Financial Services, LLC342$44.5K<0.01%new13F-HRTimeline
Smartleaf Asset Management LLC314$41.2K<0.01%+813F-HRTimeline
Blue Trust, Inc.306$39.8K<0.01%-3413F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP305$39.7K<0.01%-8013F-HRTimelineGroup
Parallel Advisors, LLC284$36.9K<0.01%013F-HRTimeline
GAMMA Investing LLC283$36.8K<0.01%-22113F-HRTimeline
Torren Management, LLC269$35K0.02%13F-HRTimeline
SBI Securities Co., Ltd.266$34.6K<0.01%-413F-HRTimeline
ROTHSCHILD INVESTMENT LLC261$33.9K<0.01%+25913F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC220$31.1K<0.01%new13F-HRTimeline
MassMutual Private Wealth & Trust, FSB223$29K<0.01%013F-HRTimeline
Hilltop National Bank218$28.4K0.01%013F-HRTimeline
Aster Capital Management (DIFC) Ltd216$28.1K0.01%new13F-HRTimeline
Global Retirement Partners, LLC205$26.7K<0.01%new13F-HRTimeline
LANARK FINANCIAL, INC.196$25.5K<0.01%-3013F-HRTimeline
Activest Wealth Management187$24.3K<0.01%new13F-HRTimeline
SJS Investment Consulting Inc.176$22.9K<0.01%+4113F-HRTimeline
AlphaQuest LLC151$19.6K<0.01%new13F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC141$19K<0.01%013F-HRTimelineGroup
MAI Capital Management139$18.1K<0.01%+6213F-HRTimeline
NOMURA ASSET MANAGEMENT CO LTDin group NOMURA ASSET MANAGEMENT CO LTD120$15.6K<0.01%013F-HRTimelineGroup
Strive Financial Group ,LLC120$15.6K0.01%13F-HR/ATimeline
NewEdge Advisors, LLC112$14.5K<0.01%013F-HRTimeline
FLAGSHIP HARBOR ADVISORS, LLC111$14.4K<0.01%new13F-HRTimeline
Parkside Financial Bank & Trust109$14.2K<0.01%+1613F-HRTimeline
J.Safra Asset Management Corp105$13.7K<0.01%+8913F-HRTimeline
Fourth Dimension Wealth, LLC100$13K<0.01%013F-HRTimeline
Covestor Ltd81$11K0.01%013F-HRTimeline
True Wealth Design, LLC84$10.9K<0.01%-513F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK80$10.4K<0.01%-313F-HRTimelineGroup
CENTRAL TRUST Co79$10.3K<0.01%013F-HRTimeline
Arax Advisory Partners78$10.1K<0.01%new13F-HRTimeline
Boreal Capital Management LLC75$9.76K0.01%013F-HRTimeline
Smithfield Trust Co65$9K<0.01%013F-HRTimeline
Holos Integrated Wealth LLC68$8.66K<0.01%013F-HRTimeline
Basecamp Wealth Advisors LLC62$8.06K<0.01%13F-HRTimeline
Elyxium Wealth, LLC55$7.15K<0.01%new13F-HRTimeline
Investors Research Corp50$6.5K<0.01%013F-HRTimeline
Navalign, LLC50$6.5K<0.01%new13F-HRTimeline
Clean Yield Group49$6.37K<0.01%013F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…42$5.46K<0.01%+213F-HRTimelineGroup
Quarry LP41$5.33K<0.01%-60813F-HRTimeline
Spire Wealth Managementin group Spire Wealth Management39$5.07K<0.01%013F-HRTimelineGroup
Inspire Investing, LLCin group Inspire Investing, LLC38$4.95K<0.01%new13F-HRTimelineGroup
Steward Partners Investment Advisory, L…35$4.55K<0.01%013F-HRTimeline
Quent Capital, LLC35$4.55K<0.01%+2913F-HRTimeline
NISA INVESTMENT ADVISORS, LLC30$3.9K<0.01%013F-HRTimeline
Inlight Wealth Management, LLC30$3.9K<0.01%013F-HRTimeline
MidFirst Bank30$3.9K<0.01%13F-HRTimeline
Ancora Advisors LLCin group Ancora Advisors LLC29$3.77K<0.01%new13F-HRTimelineGroup
First Eagle Investment Management, LLCin group First Eagle Investment Manage…28$3.64K<0.01%new13F-HRTimelineGroup
Versant Capital Management, Inc27$3.51K<0.01%-4413F-HRTimeline
Pinnacle Wealth Planning Services, Inc.25$3.25K<0.01%new13F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.24$3.12K<0.01%+913F-HRTimelineGroup
Sachetta, LLC23$2.99K<0.01%013F-HRTimeline
Bell Investment Advisors, Inc21$2.73K<0.01%-813F-HRTimeline
WealthCollab, LLC20$2.6K<0.01%013F-HRTimeline
AMERIFLEX GROUP, INC.20$2.6K<0.01%-2013F-HRTimeline
FIRST HORIZON CORP19$2.47K<0.01%013F-HRTimeline
JFS WEALTH ADVISORS, LLC18$2.34K<0.01%013F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.18$2.34K<0.01%-9213F-HRTimelineGroup
BROWN BROTHERS HARRIMAN & COin group BROWN BROTHERS HARRIMAN & CO17$2.21K<0.01%013F-HRTimelineGroup
Sunrise Financial Services, LLC17$2.21K<0.01%13F-HRTimeline
Private Wealth Management Group, LLC15$1.95K<0.01%013F-HRTimeline
Westside Investment Management, Inc.14$1.82K<0.01%new13F-HRTimeline
ADIRONDACK TRUST CO12$1.56K<0.01%013F-HRTimeline
SageView Advisory Group, LLC10$1.3K<0.01%new13F-HRTimeline
HARBOUR INVESTMENTS, INC.9$1.17K<0.01%013F-HRTimeline
High Note Wealth, LLC9$1.17K<0.01%new13F-HRTimeline
ELEVATION WEALTH PARTNERS, LLC6$781<0.01%-613F-HRTimeline
Leonteq Securities AG6$780<0.01%013F-HRTimeline
Root Financial Partners, LLC6$780<0.01%013F-HRTimeline
Hughes Financial Services, LLC6$780<0.01%+213F-HRTimeline
Cornerstone Financial Management LLC6$780<0.01%13F-HR/ATimeline
DiNuzzo Private Wealth, Inc.5$651<0.01%-113F-HRTimeline
CREATIVE FINANCIAL DESIGNS INC /ADV5$650<0.01%013F-HRTimeline
Prestige Wealth Management Group LLC4$521<0.01%013F-HRTimeline
Larson Financial Group LLC4$520<0.01%-2113F-HRTimeline
Cromwell Holdings LLC4$520<0.01%013F-HRTimeline
Cornerstone Planning Group LLC2$275<0.01%new13F-HRTimeline
SHP Wealth Management2$260<0.01%13F-HRTimeline
Bare Financial Services, Inc2$260<0.01%-113F-HRTimeline
Comprehensive Financial Planning, Inc./…2$260<0.01%013F-HRTimeline
Dunhill Financial, LLC1$154<0.01%new13F-HRTimeline
DecisionPoint Financial, LLC1$131<0.01%013F-HRTimeline
American Capital Advisory, LLC1$131<0.01%new13F-HRTimeline
PRIVATE TRUST CO NA1$130<0.01%013F-HRTimeline
Investors Portfolio Services LLC1$82<0.01%13F-HRTimeline
Capital Advisors, Ltd. LLC2$00%013F-HRTimelineValue filed as zero, left out of ratios.