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 2021
Institutional positions in Masimo Corp as of Jun 30, 2021. 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
- 459
- −20 vs. Q1 2021
- Shares held
- 45.8M
- +1.39M (+3.1%) vs. Q1 2021
- Total value
- $11.1B
- +$909.0M (+8.9%) vs. Q1 2021
- New holders
- 45
- 165 more added
- Sold out
- 65
- 172 more reduced
2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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, Q2 2021
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| NEXT Financial Group, Inc | 177 | $43.0K | 0.00% | +7+4.1% | Added |
| Tobam | 174 | $42.0K | 0.00% | −221−55.9% | Reduced |
| Brown Brothers Harriman & Co | 170 | $41.0K | 0.00% | 00.0% | Unchanged |
| Isthmus Partners, LLC | 150 | $36.0K | 0.01% | +150 | New |
| O'Shaughnessy Asset Management, LLC | 129 | $31.0K | 0.00% | 00.0% | Unchanged |
| Gemmer Asset Management LLC | 127 | $31.0K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 108 | $26.0K | 0.00% | +91+535.3% | Added |
| Harvest Fund Management Co., Ltd | 102 | $25.0K | 0.00% | 00.0% | Unchanged |
| Smithfield Trust Co | 98 | $24.0K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 95 | $23.0K | 0.00% | −8−7.8% | Reduced |
| Fifth Third Bancorp | 90 | $22.0K | 0.00% | −28−23.7% | Reduced |
| Steward Partners Investment Advisory, LLC | 80 | $19.0K | 0.00% | −12−13.0% | Reduced |
| Arkadios Wealth Advisors | 68 | $16.0K | 0.00% | 00.0% | Unchanged |
| Asset Dedication, LLC | 68 | $16.0K | 0.00% | +68 | New |
| Heritage Wealth Management, LLC | 60 | $15.0K | 0.01% | 00.0% | Unchanged |
| Reilly Financial Advisors, LLC | 61 | $15.0K | 0.00% | +3+5.2% | Added |
| Capital Advisory Group Advisory Services, LLC | 58 | $14.0K | 0.01% | 00.0% | Unchanged |
| Toth Financial Advisory Corp | 50 | $12.0K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 50 | $12.0K | 0.00% | 00.0% | Unchanged |
| Clean Yield Group | 49 | $12.0K | 0.00% | +49 | New |
| Holloway Wealth Management, LLC | – | $11.0K | 0.00% | – | – |
| Concord Wealth Partners | 43 | $10.0K | 0.00% | +43 | New |
| Wolverine Asset Management LLC | 39 | $9.00K | 0.00% | −2,970−98.7% | Reduced |
| JJJ Advisors Inc. | 36 | $9.00K | 0.00% | −28−43.8% | Reduced |
| TCI Wealth Advisors, Inc. | 38 | $9.00K | 0.00% | −19−33.3% | Reduced |
| Global Retirement Partners, LLC | 37 | $9.00K | 0.00% | +26+236.4% | Added |
| Twin Tree Management, LP | 39 | $9.00K | 0.00% | +39 | New |
| Savior LLC | 29 | $7.00K | 0.01% | 00.0% | Unchanged |
| Earnest Partners LLC | 27 | $7.00K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 27 | $7.00K | 0.00% | +27 | New |
| Geneos Wealth Management Inc. | 25 | $6.00K | 0.00% | −100−80.0% | Reduced |
| Lowe Wealth Advisors, LLC | 25 | $6.00K | 0.00% | −25−50.0% | Reduced |
| BDO Wealth Advisors, LLC | 23 | $6.00K | 0.00% | 00.0% | Unchanged |
| Delos Wealth Advisors, LLC | 26 | $6.00K | 0.01% | +26 | New |
| HM Payson & Co | 21 | $5.00K | 0.00% | 00.0% | Unchanged |
| Berman Capital Advisors, LLC | 23 | $5.00K | 0.00% | −3−11.5% | Reduced |
| Ranger Investment Management, L.P. | 19 | $5.00K | 0.00% | 00.0% | Unchanged |
| Bedel Financial Consulting, Inc. | 19 | $5.00K | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 23 | $5.00K | 0.00% | +11+91.7% | Added |
| CVA Family Office, LLC | 20 | $5.00K | 0.00% | +20 | New |
| Clearstead Advisors, LLC | 15 | $4.00K | 0.00% | 00.0% | Unchanged |
| Enterprise Financial Services Corp | 15 | $4.00K | 0.00% | +12+400.0% | Added |
| Adirondack Trust Co | 12 | $3.00K | 0.00% | 00.0% | Unchanged |
| FinTrust Capital Advisors, LLC | 13 | $3.00K | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 8 | $2.00K | 0.00% | 00.0% | Unchanged |
| RPG Investment Advisory, LLC | 8 | $2.00K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 8 | $2.00K | 0.00% | 00.0% | Unchanged |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 7 | $2.00K | 0.00% | +7 | New |
| First Horizon Corp | 8 | $1.00K | 0.00% | 00.0% | Unchanged |
| Longfellow Investment Management Co LLC | 2 | $1.00K | 0.00% | 00.0% | Unchanged |
| Macroview Investment Management LLC | 3 | $1.00K | 0.00% | 00.0% | Unchanged |
| Zions Bancorporation, N.A. | 6 | $1.00K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 5 | $1.00K | 0.00% | 00.0% | Unchanged |
| CX Institutional | 4 | $1.00K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 4 | $1.00K | 0.00% | +4 | New |
| Exane Derivatives | 2 | $523 | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 2 | $0 | 0.00% | −42−95.5% | Reduced |
| Huntington National Bank | 1 | $0 | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 1 | – | – | +1 | New |
| Westfield Capital Management Co LP | 0 | $0 | 0.00% | −207,846−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −48,592−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −35,272−100.0% | Sold out |
| Triasima Portfolio Management inc. | 0 | $0 | 0.00% | −23,770−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −21,134−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −11,958−100.0% | Sold out |
| Forsta Ap-Fonden | 0 | $0 | 0.00% | −11,500−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −9,772−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −9,439−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −9,106−100.0% | Sold out |
| Prudential PLC | 0 | $0 | 0.00% | −8,318−100.0% | Sold out |
| Fortis Capital Management LLC | 0 | $0 | 0.00% | −8,000−100.0% | Sold out |
| Landsberg, Bennett, & Dubbaneh LLC | 0 | $0 | 0.00% | −6,227−100.0% | Sold out |
| Hancock Whitney Corp | 0 | $0 | 0.00% | −6,327−100.0% | Sold out |
| CIBC World Markets Corp | 0 | $0 | 0.00% | −5,460−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −5,224−100.0% | Sold out |
| Aptus Capital Advisors, LLC | 0 | $0 | 0.00% | −5,150−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −5,083−100.0% | Sold out |
| Davidson Capital Management Inc. | 0 | $0 | 0.00% | −4,425−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −4,403−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −4,002−100.0% | Sold out |
| Prescott Group Capital Management, L.L.C. | 0 | $0 | 0.00% | −3,759−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −3,205−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −3,074−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −2,744−100.0% | Sold out |
| LS Investment Advisors, LLC | 0 | $0 | 0.00% | −2,611−100.0% | Sold out |
| Csenge Advisory Group | 0 | $0 | 0.00% | −2,393−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −2,112−100.0% | Sold out |
| Vident Investment Advisory, LLC | 0 | $0 | 0.00% | −2,097−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −2,013−100.0% | Sold out |
| NN Investment Partners Holdings N.V. | 0 | $0 | 0.00% | −1,983−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −1,787−100.0% | Sold out |
| Echo Street Capital Management LLC | 0 | $0 | 0.00% | −1,609−100.0% | Sold out |
| Terra Nova Asset Management LLC | 0 | $0 | 0.00% | −1,332−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −1,146−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| Marcum Wealth, LLC | 0 | $0 | 0.00% | −1,076−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −1,041−100.0% | Sold out |
| Qtron Investments LLC | 0 | $0 | 0.00% | −998−100.0% | Sold out |
| IHT Wealth Management, LLC | 0 | $0 | 0.00% | −984−100.0% | Sold out |