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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, Q4 2022

Institutional positions in Masimo Corp as of Dec 31, 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
405
−8 vs. Q3 2022
Shares held
44.4M
−1.85M (−4.0%) vs. Q3 2022
Total value
$6.58B
+$40.0M (+0.6%) vs. Q3 2022
New holders
53
116 more added
Sold out
61
172 more reduced

5 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2022: 405 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 heldQ4 2022: $6.58B
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, Q4 2022

Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q3 2022.

Institutions holding MASI in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Financial Management Professionals, Inc.2$00.00%00.0%Unchanged
Natixis1$1480.00%+1New
True Wealth Design, LLC1$1480.00%+1New
Huntington National Bank2$2960.00%00.0%Unchanged
New Millennium Group LLC3$4440.00%+3New
Fiduciary Alliance LLC3$4440.00%+3New
Disciplined Investments, LLC4$5920.00%−2−33.3%Reduced
Beaird Harris Wealth Management, LLC4$5920.00%+4New
SJS Investment Consulting Inc.6$8880.00%−2−25.0%Reduced
Moisand Fitzgerald Tamayo, LLC8$1.18K0.00%−23−74.2%Reduced
First Horizon Advisors, Inc.8$1.18K0.00%00.0%Unchanged
Glassman Wealth Services8$1.18K0.00%−1−11.1%Reduced
Farther Finance Advisors, LLC8$1.18K0.00%+8New
Prestige Wealth Management Group LLC9$1.33K0.00%−4−30.8%Reduced
National Pension Service10$1.48K0.00%00.0%Unchanged
AdvisorNet Financial, Inc10$1.48K0.00%+5+100.0%Added
Adirondack Trust Co12$1.77K0.00%00.0%Unchanged
M&R Capital Management Inc12$1.77K0.00%+12New
FinTrust Capital Advisors, LLC13$1.92K0.00%00.0%Unchanged
Schubert & Co13$1.92K0.00%−4−23.5%Reduced
Umb Bank N A14$2.00K0.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.8$2.00K0.00%+4+100.0%Added
Global Retirement Partners, LLC15$2.22K0.00%−19−55.9%Reduced
Sutton Wealth Advisors Inc.15$2.22K0.00%−1−6.3%Reduced
Clearstead Advisors, LLC15$2.22K0.00%00.0%Unchanged
Quent Capital, LLC16$2.37K0.00%−3−15.8%Reduced
JFS Wealth Advisors, LLC17$2.52K0.00%−3−15.0%Reduced
Rise Advisors, LLC20$2.96K0.00%00.0%Unchanged
Robbins Farley LLC20$2.96K0.00%+20New
Harvest Fund Management Co., Ltd26$3.00K0.00%00.0%Unchanged
RWM Asset Management, LLC21$3.11K0.00%00.0%Unchanged
Anchor Investment Management, LLC22$3.25K0.00%00.0%Unchanged
TD Waterhouse Canada Inc.20$3.35K0.00%−1,480−98.7%Reduced
Parkside Financial Bank & Trust24$3.55K0.00%−3−11.1%Reduced
Farmers & Merchants Investments Inc24$3.55K0.00%00.0%Unchanged
Hallmark Capital Management Inc26$3.85K0.00%00.0%Unchanged
Earnest Partners LLC27$4.00K0.00%00.0%Unchanged
Headlands Technologies LLC25$4.00K0.00%+25New
CoreCap Advisors, LLC29$4.29K0.00%+29New
North Star Investment Management Corp.30$4.44K0.00%+30New
Bell Investment Advisors, Inc32$4.73K0.00%−11−25.6%Reduced
RE Dickinson Investment Advisors, LLC32$5.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC36$5.00K0.00%+14+63.6%Added
Ronald Blue Trust, Inc.37$5.00K0.00%+33+825.0%Added
Massmutual Trust Co FSB42$6.00K0.00%−9−17.6%Reduced
Hantz Financial Services, Inc.39$6.00K0.00%00.0%Unchanged
Baker Avenue Asset Management, LP41$6.07K0.00%+41New
New Hampshire Trust41$6.07K0.00%+41New
TCI Wealth Advisors, Inc.47$6.95K0.00%−5−9.6%Reduced
Princeton Global Asset Management LLC46$7.00K0.00%00.0%Unchanged
Clean Yield Group49$7.25K0.00%00.0%Unchanged
Investors Research Corp50$7.40K0.00%00.0%Unchanged
Colonial Trust Advisors50$7.40K0.00%+50New
Global Wealth Strategies & Associates50$7.40K0.00%+50New
IFP Advisors, Inc46$8.00K0.00%−115−71.4%Reduced
Steward Partners Investment Advisory, LLC55$8.14K0.00%00.0%Unchanged
Smithfield Trust Co65$10.0K0.00%00.0%Unchanged
Ellevest, Inc.73$10.8K0.00%−47−39.2%Reduced
Ci Investments Inc.73$11.0K0.00%−4−5.2%Reduced
BI Asset Management Fondsmaeglerselskab A/S73$11.0K0.00%+73New
Sageworth Trust Co of South Dakota90$13.0K0.03%00.0%Unchanged
Center for Financial Planning, Inc.100$14.8K0.00%00.0%Unchanged
Cary Street Partner Investment Advisory LLC100$14.8K0.00%+100New
West Oak Capital, LLC100$15.0K0.01%00.0%Unchanged
Heritage Wealth Management, LLC120$17.8K0.00%+60+100.0%Added
Riverview Trust Co123$18.0K0.02%00.0%Unchanged
Spire Wealth Management131$19.0K0.00%−107−45.0%Reduced
HealthInvest Partners AB152$22.5K0.04%+152New
Allworth Financial LP164$24.3K0.00%−6−3.5%Reduced
Brown Brothers Harriman & Co170$25.2K0.00%−16−8.6%Reduced
Parallel Advisors, LLC171$25.3K0.00%−155−47.5%Reduced
Harbour Investments, Inc.183$27.1K0.00%00.0%Unchanged
Covestor Ltd187$28.0K0.02%−508−73.1%Reduced
GWM Advisors LLC291$29.5K0.00%+291New
Lindbrook Capital, LLC212$31.4K0.00%+19+9.8%Added
Northwestern Mutual Wealth Management Co231$34.2K0.00%−421−64.6%Reduced
Nisa Investment Advisors, LLC235$35.0K0.00%−1−0.4%Reduced
State of Wyoming247$36.5K0.01%00.0%Unchanged
Fifth Third Bancorp250$37.0K0.00%−1−0.4%Reduced
Belpointe Asset Management LLC258$38.2K0.00%+258New
Ossiam443$65.5K0.00%00.0%Unchanged
Itau Unibanco Holding S.A.443$65.5K0.00%+264+147.5%Added
JJJ Advisors Inc.477$73.9K0.02%−185−27.9%Reduced
Cribstone Capital Management, LLC500$74.0K0.04%00.0%Unchanged
HHM Wealth Advisors, LLC500$74.0K0.02%00.0%Unchanged
Benjamin F. Edwards & Company, Inc.500$74.0K0.00%00.0%Unchanged
Archer Investment Corp550$81.4K0.03%+159+40.7%Added
Arcadia Investment Management Corp564$83.4K0.02%−1,289−69.6%Reduced
VitalStone Financial, LLC597$88.0K0.06%+597New
Wahed Invest LLC604$89.4K0.05%+604New
Advisory Services Network, LLC751$111.1K0.00%+751New
Seeyond803$118.8K0.01%−2,051−71.9%Reduced
Simplex Trading, LLC831$122.0K0.01%−235−22.0%Reduced
Federation des caisses Desjardins du Quebec863$127.7K0.00%00.0%Unchanged
Lazard Asset Management LLC924$136.0K0.00%−5−0.5%Reduced
Harbor Investment Advisory, LLC995$147.2K0.02%00.0%Unchanged
Atticus Wealth Management, LLC1,000$147.9K0.06%00.0%Unchanged
Banque Cantonale Vaudoise1,000$148.0K0.01%00.0%Unchanged
Signaturefd, LLC1,037$153.4K0.00%−484−31.8%Reduced
Leonteq Securities AG1,048$155.1K0.01%+735+234.8%Added