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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, Q3 2022

Institutional positions in Masimo Corp as of Sep 30, 2022. 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
418
+9 vs. Q2 2022
Shares held
46.3M
+2.09M (+4.7%) vs. Q2 2022
Total value
$6.54B
+$745.4M (+12.9%) vs. Q2 2022
New holders
60
109 more added
Sold out
51
183 more reduced

8 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2022: 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 holdersQ3 2022: 418 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 heldQ3 2022: $6.54B
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, Q3 2022

Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q2 2022.

Institutions holding MASI in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Huntington National Bank2$00.00%00.0%Unchanged
Private Trust Co NA2$00.00%00.0%Unchanged
Financial Management Professionals, Inc.2$00.00%+1+100.0%Added
IMA Wealth, Inc.1$00.00%+1New
Ronald Blue Trust, Inc.4$1.00K0.00%−49−92.5%Reduced
Longfellow Investment Management Co LLC4$1.00K0.00%00.0%Unchanged
AdvisorNet Financial, Inc5$1.00K0.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.4$1.00K0.00%00.0%Unchanged
First Horizon Advisors, Inc.8$1.00K0.00%00.0%Unchanged
Glassman Wealth Services9$1.00K0.00%+3+50.0%Added
Disciplined Investments, LLC6$1.00K0.00%+1+20.0%Added
Standard Family Office LLC7$1.00K0.00%+7New
SJS Investment Consulting Inc.8$1.00K0.00%+8New
National Pension Service10$1.42K0.00%00.0%Unchanged
Clearstead Advisors, LLC15$2.00K0.00%−140−90.3%Reduced
Umb Bank N A14$2.00K0.00%−57−80.3%Reduced
Adirondack Trust Co12$2.00K0.00%00.0%Unchanged
FinTrust Capital Advisors, LLC13$2.00K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC13$2.00K0.00%−6−31.6%Reduced
Schubert & Co17$2.00K0.00%+7+70.0%Added
Bellwether Advisors, LLC21$2.00K0.00%+17+425.0%Added
Sutton Wealth Advisors Inc.16$2.26K0.00%+3+23.1%Added
Quent Capital, LLC19$3.00K0.00%−49−72.1%Reduced
CVA Family Office, LLC20$3.00K0.00%00.0%Unchanged
Rise Advisors, LLC20$3.00K0.00%00.0%Unchanged
RWM Asset Management, LLC21$3.00K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC20$3.00K0.00%+10+100.0%Added
Capital Advisors, Ltd. LLC22$3.00K0.00%+16+266.7%Added
Farmers & Merchants Investments Inc24$3.00K0.00%+24New
Anchor Investment Management, LLC22$3.11K0.00%00.0%Unchanged
Global Retirement Partners, LLC34$4.00K0.00%−16−32.0%Reduced
Earnest Partners LLC27$4.00K0.00%00.0%Unchanged
Parkside Financial Bank & Trust27$4.00K0.00%−6−18.2%Reduced
Hallmark Capital Management Inc26$4.00K0.00%00.0%Unchanged
Harvest Fund Management Co., Ltd26$4.00K0.00%00.0%Unchanged
Delos Wealth Advisors, LLC26$4.00K0.00%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC31$4.00K0.00%+31New
West Branch Capital LLC33$5.00K0.00%00.0%Unchanged
RE Dickinson Investment Advisors, LLC32$5.00K0.00%00.0%Unchanged
Princeton Global Asset Management LLC46$6.00K0.00%00.0%Unchanged
Bell Investment Advisors, Inc43$6.00K0.00%−3−6.5%Reduced
Hantz Financial Services, Inc.39$6.00K0.00%00.0%Unchanged
Toth Financial Advisory Corp50$7.00K0.00%00.0%Unchanged
Clean Yield Group49$7.00K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.52$7.00K0.00%+5+10.6%Added
Investors Research Corp50$7.00K0.00%+24+92.3%Added
Massmutual Trust Co FSB51$7.00K0.00%+32+168.4%Added
Almanack Investment Partners, LLC.52$7.00K0.00%+52New
Heritage Wealth Management, LLC60$8.00K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC55$8.00K0.00%00.0%Unchanged
Smithfield Trust Co65$10.0K0.00%00.0%Unchanged
Asset Dedication, LLC68$10.0K0.00%+68New
Ci Investments Inc.77$11.0K0.00%−2−2.5%Reduced
Sageworth Trust Co of South Dakota90$13.0K0.03%−21−18.9%Reduced
Achmea Investment Management B.V.94$14.0K0.00%−2,348−96.2%Reduced
Center for Financial Planning, Inc.100$14.0K0.00%−100−50.0%Reduced
West Oak Capital, LLC100$14.0K0.01%00.0%Unchanged
Virtus Investment Advisers, Inc.111$16.0K0.01%+111New
Riverview Trust Co123$17.0K0.02%00.0%Unchanged
Ellevest, Inc.120$17.0K0.00%+50+71.4%Added
Harbour Investments, Inc.183$24.0K0.00%00.0%Unchanged
Allworth Financial LP170$24.0K0.00%+100+142.9%Added
Itau Unibanco Holding S.A.179$25.0K0.00%−89−33.2%Reduced
Brown Brothers Harriman & Co186$26.0K0.00%+16+9.4%Added
Lindbrook Capital, LLC193$27.0K0.00%−5−2.5%Reduced
Central Trust Co200$28.0K0.00%00.0%Unchanged
IFP Advisors, Inc161$30.0K0.00%+89+123.6%Added
Meeder Asset Management Inc228$32.0K0.00%+7+3.2%Added
Nisa Investment Advisors, LLC236$33.0K0.00%−106−31.0%Reduced
Spire Wealth Management238$34.0K0.00%−36−13.1%Reduced
State of Wyoming247$35.0K0.02%−70−22.1%Reduced
Fifth Third Bancorp251$35.0K0.00%−6−2.3%Reduced
Leonteq Securities AG313$44.2K0.00%−98−23.8%Reduced
Parallel Advisors, LLC326$46.0K0.00%−39−10.7%Reduced
GHP Investment Advisors, Inc.379$53.0K0.00%+379New
Archer Investment Corp391$55.2K0.02%00.0%Unchanged
Ossiam443$63.0K0.00%+443New
Benjamin F. Edwards & Company, Inc.500$71.0K0.00%00.0%Unchanged
Cribstone Capital Management, LLC500$71.0K0.04%00.0%Unchanged
HHM Wealth Advisors, LLC500$71.0K0.02%00.0%Unchanged
Walleye Trading LLC590$83.0K0.00%+590New
Mitsubishi UFJ Asset Management (UK) Ltd.600$85.0K0.07%−3,000−83.3%Reduced
JJJ Advisors Inc.662$86.0K0.03%+200+43.3%Added
Northwestern Mutual Wealth Management Co652$92.0K0.00%−165−20.2%Reduced
Covestor Ltd695$98.0K0.09%+557+403.6%Added
Wesleyan Assurance Society800$113.0K0.02%00.0%Unchanged
Wipfli Financial Advisors LLC,839$118.0K0.01%+839New
Federation des caisses Desjardins du Quebec863$121.8K0.00%−398−31.6%Reduced
KBC Group NV913$129.0K0.00%−1,498−62.1%Reduced
Atticus Wealth Management, LLC1,000$131.0K0.06%00.0%Unchanged
Lazard Asset Management LLC929$131.0K0.00%+124+15.4%Added
Harbor Investment Advisory, LLC995$140.0K0.02%00.0%Unchanged
Banque Cantonale Vaudoise1,000$141.0K0.01%00.0%Unchanged
United Community Bank1,057$149.2K0.16%00.0%Unchanged
Simplex Trading, LLC1,066$150.0K0.01%+1,066New
Exos TFP Holdings LLC1,112$157.0K0.07%+1,112New
Whittier Trust Co1,134$160.0K0.00%00.0%Unchanged
Quadrant Capital Group LLC1,196$169.0K0.02%+204+20.6%Added
Vestcor Inc1,242$175.0K0.01%+18+1.5%Added
CWM, LLC1,353$191.0K0.00%+180+15.3%Added