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 2023
Institutional positions in Masimo Corp as of Sep 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
- 357
- −57 vs. Q2 2023
- Shares held
- 47.7M
- +1.72M (+3.7%) vs. Q2 2023
- Total value
- $4.18B
- −$3.38B (−44.7%) vs. Q2 2023
- New holders
- 59
- 81 more added
- Sold out
- 116
- 158 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 2 | $16.2K |
| Q1 2026 | 451 | $9.69B |
| Q4 2025 | 392 | $7.20B |
| Q3 2025 | 358 | $8.29B |
| Q2 2025 | 379 | $9.68B |
| Q1 2025 | 393 | $9.02B |
| Q4 2024 | 366 | $8.50B |
| Q3 2024 | 362 | $6.72B |
| Q2 2024 | 352 | $6.24B |
| Q1 2024 | 339 | $7.59B |
| Q4 2023 | 342 | $5.91B |
| Q3 2023 | 357 | $4.18B |
| Q2 2023 | 415 | $7.56B |
| Q1 2023 | 428 | $8.30B |
| Q4 2022 | 405 | $6.58B |
| Q3 2022 | 418 | $6.54B |
| Q2 2022 | 417 | $5.81B |
| Q1 2022 | 457 | $6.61B |
| Q4 2021 | 520 | $13.6B |
| Q3 2021 | 475 | $12.5B |
| Q2 2021 | 459 | $11.1B |
| Q1 2021 | 481 | $10.3B |
Institutions, Q3 2023
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BI Asset Management Fondsmaeglerselskab A/S | 119 | $10.0K | 0.00% | 00.0% | Unchanged |
| LGT Financial Advisors LLC | 114 | $10.0K | 0.01% | +114 | New |
| Nomura Asset Management Co Ltd | 110 | $9.64K | 0.00% | −11,310−99.0% | Reduced |
| West Oak Capital, LLC | 100 | $9.00K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 101 | $8.86K | 0.00% | −241−70.5% | Reduced |
| Cary Street Partner Investment Advisory LLC | 100 | $8.77K | 0.00% | 00.0% | Unchanged |
| Center for Financial Planning, Inc. | 100 | $8.77K | 0.00% | 00.0% | Unchanged |
| Central Trust Co | 79 | $6.93K | 0.00% | +79 | New |
| Steward Partners Investment Advisory, LLC | 60 | $5.26K | 0.00% | +5+9.1% | Added |
| Smithfield Trust Co | 65 | $5.00K | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 54 | $5.00K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 52 | $5.00K | 0.00% | −1−1.9% | Reduced |
| GWM Advisors LLC | 56 | $4.88K | 0.00% | −13−18.8% | Reduced |
| Sunbelt Securities, Inc. | 54 | $4.74K | 0.00% | −17−23.9% | Reduced |
| Gradient Investments LLC | 50 | $4.38K | 0.00% | 00.0% | Unchanged |
| Colonial Trust Advisors | 50 | $4.38K | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 50 | $4.38K | 0.00% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 50 | $4.38K | 0.00% | 00.0% | Unchanged |
| Global Wealth Strategies & Associates | 50 | $4.38K | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 49 | $4.30K | 0.00% | +41+512.5% | Added |
| Clean Yield Group | 49 | $4.01K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 31 | $2.72K | 0.00% | +28+933.3% | Added |
| Earnest Partners LLC | 27 | $2.37K | 0.00% | 00.0% | Unchanged |
| Hallmark Capital Management Inc | 26 | $2.28K | 0.00% | 00.0% | Unchanged |
| Headinvest, LLC | 25 | $2.19K | 0.00% | +25 | New |
| RE Dickinson Investment Advisors, LLC | 22 | $2.00K | 0.00% | −10−31.3% | Reduced |
| Harvest Fund Management Co., Ltd | 18 | $2.00K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 22 | $1.93K | 0.00% | −2−8.3% | Reduced |
| Farmers & Merchants Investments Inc | 21 | $1.84K | 0.00% | 00.0% | Unchanged |
| Rise Advisors, LLC | 20 | $1.75K | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 16 | $1.66K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 16 | $1.40K | 0.00% | 00.0% | Unchanged |
| FinTrust Capital Advisors, LLC | 13 | $1.14K | 0.00% | 00.0% | Unchanged |
| WFA Asset Management Corp | 12 | $1.05K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 12 | $1.05K | 0.00% | −38−76.0% | Reduced |
| Adirondack Trust Co | 12 | $1.05K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 6 | $1.00K | 0.00% | −45−88.2% | Reduced |
| Glassman Wealth Services | 11 | $964 | 0.00% | +3+37.5% | Added |
| Lee Financial Co | 10 | $877 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 9 | $790 | 0.00% | +9 | New |
| Authentikos Wealth Advisory, LLC | 8 | $701 | 0.00% | +8 | New |
| Tfo-TDC, LLC | 4 | $658 | 0.00% | +4 | New |
| Versant Capital Management, Inc | 7 | $614 | 0.00% | +1+16.7% | Added |
| AdvisorNet Financial, Inc | 6 | $526 | 0.00% | −6−50.0% | Reduced |
| Umb Bank N A | 5 | $438 | 0.00% | −9−64.3% | Reduced |
| New Millennium Group LLC | 3 | $263 | 0.00% | 00.0% | Unchanged |
| Arcadia Investment Management Corp | 2 | $176 | 0.00% | −502−99.6% | Reduced |
| SJS Investment Consulting Inc. | 2 | $176 | 0.00% | −3−60.0% | Reduced |
| Financial Synergies Wealth Advisors, Inc. | 2 | $176 | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 2 | $175 | 0.00% | −128−98.5% | Reduced |
| JJJ Advisors Inc. | 1 | $88 | 0.00% | −422−99.8% | Reduced |
| JFS Wealth Advisors, LLC | 1 | $88 | 0.00% | −20−95.2% | Reduced |
| Bell Investment Advisors, Inc | 1 | $88 | 0.00% | −18−94.7% | Reduced |
| True Wealth Design, LLC | 1 | $88 | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 1 | $83 | 0.00% | −5−83.3% | Reduced |
| Lazard Asset Management LLC | 10 | $0 | 0.00% | −26−72.2% | Reduced |
| Transamerica Financial Advisors, Inc. | 2 | – | – | −1−33.3% | Reduced |
| Fundsmith LLPSuperinvestorFundsmith | 0 | $0 | 0.00% | −730,377−100.0% | Sold out |
| Geneva Capital Management LLC | 0 | $0 | 0.00% | −304,691−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −204,409−100.0% | Sold out |
| Obermeyer Wood Investment Counsel, LLLP | 0 | $0 | 0.00% | −151,848−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −114,460−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −80,285−100.0% | Sold out |
| Harbor Spring Capital, LLC | 0 | $0 | 0.00% | −70,300−100.0% | Sold out |
| Putnam Investments LLC | 0 | $0 | 0.00% | −61,600−100.0% | Sold out |
| Public Sector Pension Investment Board | 0 | $0 | 0.00% | −60,000−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −51,937−100.0% | Sold out |
| Asset Management One Co.,Ltd. | 0 | $0 | 0.00% | −45,334−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −41,230−100.0% | Sold out |
| E. Ohman J:or Asset Management AB | 0 | $0 | 0.00% | −37,613−100.0% | Sold out |
| Banco Santander, S.A. | 0 | $0 | 0.00% | −32,724−100.0% | Sold out |
| Mitsubishi UFJ Trust & Banking Corp | 0 | $0 | 0.00% | −26,714−100.0% | Sold out |
| Brookfield Asset Management Inc. | 0 | $0 | 0.00% | −24,652−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −24,106−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −21,845−100.0% | Sold out |
| Shell Asset Management Co | 0 | $0 | 0.00% | −19,471−100.0% | Sold out |
| Andra AP-fonden | 0 | $0 | 0.00% | −18,600−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −18,451−100.0% | Sold out |
| Korea Investment CORP | 0 | $0 | 0.00% | −17,505−100.0% | Sold out |
| Ascent Wealth Partners, LLC | 0 | $0 | 0.00% | −17,047−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −14,899−100.0% | Sold out |
| Zacks Investment Management | 0 | $0 | 0.00% | −12,561−100.0% | Sold out |
| DnB Asset Management AS | 0 | $0 | 0.00% | −10,990−100.0% | Sold out |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −10,730−100.0% | Sold out |
| Forsta Ap-Fonden | 0 | $0 | 0.00% | −10,300−100.0% | Sold out |
| Pura Vida Investments, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| IFM Investors Pty Ltd | 0 | $0 | 0.00% | −8,927−100.0% | Sold out |
| Tredje AP-fonden | 0 | $0 | 0.00% | −8,178−100.0% | Sold out |
| Spears Abacus Advisors LLC | 0 | $0 | 0.00% | −7,629−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −7,405−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −6,068−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −5,790−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −5,504−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −5,415−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −5,103−100.0% | Sold out |
| Nissay Asset Management Corp | 0 | $0 | 0.00% | −4,832−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −4,644−100.0% | Sold out |
| Juncture Wealth Strategies, LLC | 0 | $0 | 0.00% | −4,621−100.0% | Sold out |
| Gulf International Bank (UK) Ltd | 0 | $0 | 0.00% | −4,562−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −4,126−100.0% | Sold out |