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Masimo Corp

MASIDelisted Jun 10, 2026
Industry
Electromedical & Electrotherapeutic Apparatus
SEC CIK
0000937556

Masimo Corp was delisted on Jun 10, 2026; its insiders filed their last Form 4 on Jun 12, 2026; 451 institutions reported holding it in 13F filings for Q1 2026, worth $9.69B in total; Soros Fund Management was the only superinvestor holding it.

13F holders, Q2 2023

Institutional positions in Masimo Corp as of Jun 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
415
−13 vs. Q1 2023
Shares held
46.0M
+958.6K (+2.1%) vs. Q1 2023
Total value
$7.56B
−$738.3M (−8.9%) vs. Q1 2023
New holders
45
114 more added
Sold out
58
171 more reduced

Compare with Q1 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MASI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2023: 415 institutions
Q1 2021: 481 institutionsQ2 2021: 459 institutionsQ3 2021: 475 institutionsQ4 2021: 520 institutionsQ1 2022: 457 institutionsQ2 2022: 417 institutionsQ3 2022: 418 institutionsQ4 2022: 405 institutionsQ1 2023: 428 institutionsQ2 2023: 415 institutionsQ3 2023: 357 institutionsQ4 2023: 342 institutionsQ1 2024: 339 institutionsQ2 2024: 352 institutionsQ3 2024: 362 institutionsQ4 2024: 366 institutionsQ1 2025: 393 institutionsQ2 2025: 379 institutionsQ3 2025: 358 institutionsQ4 2025: 392 institutionsQ1 2026: 451 institutionsQ2 2026: 2 institutions
Value heldQ2 2023: $7.56B
Q1 2021: $10.3BQ2 2021: $11.1BQ3 2021: $12.5BQ4 2021: $13.6BQ1 2022: $6.61BQ2 2022: $5.81BQ3 2022: $6.54BQ4 2022: $6.58BQ1 2023: $8.30BQ2 2023: $7.56BQ3 2023: $4.18BQ4 2023: $5.91BQ1 2024: $7.59BQ2 2024: $6.24BQ3 2024: $6.72BQ4 2024: $8.50BQ1 2025: $9.02BQ2 2025: $9.68BQ3 2025: $8.29BQ4 2025: $7.20BQ1 2026: $9.69BQ2 2026: $16.2K
Institutions holding MASI and their total value by quarter
QuarterHoldersValue
Q2 20262$16.2K
Q1 2026451$9.69B
Q4 2025392$7.20B
Q3 2025358$8.29B
Q2 2025379$9.68B
Q1 2025393$9.02B
Q4 2024366$8.50B
Q3 2024362$6.72B
Q2 2024352$6.24B
Q1 2024339$7.59B
Q4 2023342$5.91B
Q3 2023357$4.18B
Q2 2023415$7.56B
Q1 2023428$8.30B
Q4 2022405$6.58B
Q3 2022418$6.54B
Q2 2022417$5.81B
Q1 2022457$6.61B
Q4 2021520$13.6B
Q3 2021475$12.5B
Q2 2021459$11.1B
Q1 2021481$10.3B

Institutions, Q2 2023

Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q1 2023.

Institutions holding MASI in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Financial Management Professionals, Inc.2$00.00%00.0%Unchanged
True Wealth Design, LLC1$1650.00%00.0%Unchanged
VisionPoint Advisory Group, LLC1$1650.00%+1New
Financial Synergies Wealth Advisors, Inc.2$3300.00%+1+100.0%Added
Sofos Investments, Inc.165$4510.00%+165New
EverSource Wealth Advisors, LLC3$4940.00%00.0%Unchanged
New Millennium Group LLC3$4940.00%00.0%Unchanged
Fairfield, Bush & Co.3$4940.00%+3New
Fiduciary Alliance LLC3$4940.00%+3New
SJS Investment Consulting Inc.5$8230.00%−1−16.7%Reduced
Disciplined Investments, LLC5$8230.00%−1−16.7%Reduced
Global Retirement Partners, LLC6$9870.00%−9−60.0%Reduced
Versant Capital Management, Inc6$9870.00%+6New
Transamerica Financial Advisors, Inc.3$1.00K0.00%00.0%Unchanged
Bollard Group LLC5$1.00K0.00%+5New
First Horizon Advisors, Inc.8$1.32K0.00%00.0%Unchanged
Glassman Wealth Services8$1.32K0.00%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC8$1.32K0.00%00.0%Unchanged
Adirondack Trust Co12$1.47K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC9$1.48K0.00%00.0%Unchanged
Lee Financial Co10$1.65K0.00%00.0%Unchanged
Sutton Wealth Advisors Inc.11$1.81K0.00%00.0%Unchanged
FinTrust Capital Advisors, LLC13$1.92K0.00%00.0%Unchanged
WFA Asset Management Corp12$1.98K0.00%00.0%Unchanged
AdvisorNet Financial, Inc12$1.98K0.00%00.0%Unchanged
Umb Bank N A14$2.30K0.00%00.0%Unchanged
Quent Capital, LLC16$2.63K0.00%00.0%Unchanged
Harvest Fund Management Co., Ltd18$3.00K0.00%−985−98.2%Reduced
TD Waterhouse Canada Inc.16$3.06K0.00%−4−20.0%Reduced
Bell Investment Advisors, Inc19$3.13K0.00%−3−13.6%Reduced
Rise Advisors, LLC20$3.29K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC21$3.46K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc21$3.46K0.00%00.0%Unchanged
Parkside Financial Bank & Trust24$3.95K0.00%00.0%Unchanged
West Tower Group, LLC25$4.11K0.00%+25New
Hallmark Capital Management Inc26$4.28K0.00%00.0%Unchanged
Earnest Partners LLC27$4.44K0.00%00.0%Unchanged
Lazard Asset Management LLC36$5.00K0.00%−875−96.0%Reduced
RE Dickinson Investment Advisors, LLC32$5.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC36$6.00K0.00%00.0%Unchanged
Baker Avenue Asset Management, LP41$6.75K0.00%00.0%Unchanged
Safeguard Financial, LLC50$8.00K0.00%+50New
Clean Yield Group49$8.06K0.00%00.0%Unchanged
Gradient Investments LLC50$8.23K0.00%00.0%Unchanged
Colonial Trust Advisors50$8.23K0.00%00.0%Unchanged
Investors Research Corp50$8.23K0.00%00.0%Unchanged
GPS Wealth Strategies Group, LLC50$8.23K0.00%00.0%Unchanged
Global Wealth Strategies & Associates50$8.23K0.00%00.0%Unchanged
Farther Finance Advisors, LLC50$8.23K0.00%+11+28.2%Added
Covestor Ltd53$9.00K0.01%−67−55.8%Reduced
Hantz Financial Services, Inc.54$9.00K0.00%+15+38.5%Added
Ronald Blue Trust, Inc.51$9.00K0.00%+10+24.4%Added
Steward Partners Investment Advisory, LLC55$9.05K0.00%00.0%Unchanged
Smithfield Trust Co65$11.0K0.00%00.0%Unchanged
GWM Advisors LLC69$11.3K0.00%00.0%Unchanged
Sunbelt Securities, Inc.71$11.7K0.00%−3−4.1%Reduced
Private Trust Co NA74$12.2K0.00%+74New
Headlands Technologies LLC84$13.8K0.00%+84New
West Oak Capital, LLC100$16.5K0.01%00.0%Unchanged
Cary Street Partner Investment Advisory LLC100$16.5K0.00%00.0%Unchanged
Center for Financial Planning, Inc.100$16.5K0.00%00.0%Unchanged
Raleigh Capital Management Inc.103$17.0K0.01%+34+49.3%Added
Natixis120$19.7K0.00%+119+11,900.0%Added
BI Asset Management Fondsmaeglerselskab A/S119$20.0K0.00%00.0%Unchanged
Riverview Trust Co123$20.2K0.02%00.0%Unchanged
Huntington National Bank130$21.4K0.00%+127+4,233.3%Added
Allworth Financial LP164$27.0K0.00%00.0%Unchanged
National Bank of Canada175$28.8K0.00%+175New
Harbour Investments, Inc.183$30.1K0.00%00.0%Unchanged
Lindbrook Capital, LLC204$33.6K0.00%−8−3.8%Reduced
Nisa Investment Advisors, LLC235$38.7K0.00%−3,114−93.0%Reduced
Achmea Investment Management B.V.242$39.0K0.00%+242New
Northwestern Mutual Wealth Management Co240$39.5K0.00%+35+17.1%Added
Fred Alger Management, LLC266$43.8K0.00%−8,210−96.9%Reduced
Fifth Third Bancorp296$48.7K0.00%+44+17.5%Added
Trivant Custom Portfolio Group, LLC300$49.4K0.03%00.0%Unchanged
Quantbot Technologies LP317$52.2K0.00%+317New
Parallel Advisors, LLC321$52.8K0.00%−38−10.6%Reduced
Spire Wealth Management327$53.8K0.00%−10−3.0%Reduced
State of Wyoming330$54.3K0.02%+65+24.5%Added
Massmutual Trust Co FSB342$56.3K0.00%+229+202.7%Added
Federation des caisses Desjardins du Quebec380$62.5K0.00%+250+192.3%Added
Cubist Systematic Strategies, LLC400$65.8K0.00%−918−69.7%Reduced
UniSuper Management Pty Ltd400$65.8K0.00%+400New
JJJ Advisors Inc.423$69.6K0.02%−25−5.6%Reduced
Itau Unibanco Holding S.A.440$72.4K0.00%−1−0.2%Reduced
Group One Trading, L.P.486$80.0K0.00%+486New
Benjamin F. Edwards & Company, Inc.500$82.0K0.00%00.0%Unchanged
HHM Wealth Advisors, LLC500$82.3K0.02%00.0%Unchanged
Arcadia Investment Management Corp504$82.9K0.02%−25−4.7%Reduced
Ostrum Asset Management603$99.2K0.01%+1+0.2%Added
VitalStone Financial, LLC597$110.0K0.06%00.0%Unchanged
Wahed Invest LLC686$112.9K0.04%+75+12.3%Added
Clearstead Advisors, LLC901$148.3K0.01%+786+683.5%Added
Signaturefd, LLC964$158.6K0.00%−65−6.3%Reduced
Harbor Investment Advisory, LLC970$159.6K0.02%00.0%Unchanged
Leonteq Securities AG986$162.2K0.02%+466+89.6%Added
Banque Cantonale Vaudoise1,000$164.0K0.01%00.0%Unchanged
Ci Investments Inc.1,010$166.0K0.00%+579+134.3%Added
Quadrant Capital Group LLC1,039$171.0K0.02%−169−14.0%Reduced