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, Q1 2022
Institutional positions in Masimo Corp as of Mar 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
- 457
- −57 vs. Q4 2021
- Shares held
- 45.4M
- −981.6K (−2.1%) vs. Q4 2021
- Total value
- $6.61B
- −$6.96B (−51.3%) vs. Q4 2021
- New holders
- 73
- 180 more added
- Sold out
- 130
- 136 more reduced
6 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Conestoga Capital Advisors, LLC | 0 | $0 | 0.00% | −2,140−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −2,130−100.0% | Sold out |
| Wealthfront Advisers LLC | 0 | $0 | 0.00% | −1,743−100.0% | Sold out |
| EFG Asset Management (Americas) Corp. | 0 | $0 | 0.00% | −1,706−100.0% | Sold out |
| TownSquare Capital, LLC | 0 | $0 | 0.00% | −1,703−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −1,700−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −1,581−100.0% | Sold out |
| Equitable Trust Co | 0 | $0 | 0.00% | −1,561−100.0% | Sold out |
| Tocqueville Asset Management L.P. | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| Buckhead Capital Management LLC | 0 | $0 | 0.00% | −1,465−100.0% | Sold out |
| CAPROCK Group, Inc. | 0 | $0 | 0.00% | −1,459−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −1,440−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −1,403−100.0% | Sold out |
| Harvest Investment Services, LLC | 0 | $0 | 0.00% | −1,365−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −1,344−100.0% | Sold out |
| Capital Analysts, LLC | 0 | $0 | 0.00% | −1,335−100.0% | Sold out |
| Bowling Portfolio Management LLC | 0 | $0 | 0.00% | −1,310−100.0% | Sold out |
| Van Eck Associates Corp | 0 | $0 | 0.00% | −1,278−100.0% | Sold out |
| Financial Advocates Investment Management | 0 | $0 | 0.00% | −1,341−100.0% | Sold out |
| JSF Financial, LLC | 0 | $0 | 0.00% | −1,272−100.0% | Sold out |
| Stiles Financial Services Inc | 0 | $0 | 0.00% | −1,235−100.0% | Sold out |
| First Citizens Bank & Trust Co | 0 | $0 | 0.00% | −1,207−100.0% | Sold out |
| Regal Investment Advisors LLC | 0 | $0 | 0.00% | −1,184−100.0% | Sold out |
| JustInvest LLC | 0 | $0 | 0.00% | −1,159−100.0% | Sold out |
| Cigna Investments Inc | 0 | $0 | 0.00% | −1,151−100.0% | Sold out |
| Banco Bilbao Vizcaya Argentaria, S.A. | 0 | $0 | 0.00% | −1,131−100.0% | Sold out |
| Hennion & Walsh Asset Management, Inc. | 0 | $0 | 0.00% | −1,149−100.0% | Sold out |
| Redpoint Investment Management Pty Ltd | 0 | $0 | 0.00% | −1,122−100.0% | Sold out |
| First Heartland Consultants, Inc. | 0 | $0 | 0.00% | −1,092−100.0% | Sold out |
| Laurel Wealth Advisors, Inc. | 0 | $0 | 0.00% | −1,020−100.0% | Sold out |
| Hills Bank & Trust Co | 0 | $0 | 0.00% | −1,007−100.0% | Sold out |
| LGT Fund Management Co Ltd. | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −921−100.0% | Sold out |
| SeaCrest Wealth Management, LLC | 0 | $0 | 0.00% | −890−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −882−100.0% | Sold out |
| Meridian Wealth Management, LLC | 0 | $0 | 0.00% | −870−100.0% | Sold out |
| YHB Investment Advisors, Inc. | 0 | $0 | 0.00% | −859−100.0% | Sold out |
| Windsor Group LTD | 0 | $0 | 0.00% | −880−100.0% | Sold out |
| IBM Retirement Fund | 0 | $0 | 0.00% | −834−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −829−100.0% | Sold out |
| Navellier & Associates Inc | 0 | $0 | 0.00% | −830−100.0% | Sold out |
| Patten Group, Inc. | 0 | $0 | 0.00% | −827−100.0% | Sold out |
| Verdence Capital Advisors LLC | 0 | $0 | 0.00% | −818−100.0% | Sold out |
| HBK Sorce Advisory LLC | 0 | $0 | 0.00% | −806−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −800−100.0% | Sold out |
| Azimuth Capital Management LLC | 0 | $0 | 0.00% | −800−100.0% | Sold out |
| Resources Investment Advisors, LLC. | 0 | $0 | 0.00% | −800−100.0% | Sold out |
| Terra Nova Asset Management LLC | 0 | $0 | 0.00% | −782−100.0% | Sold out |
| Veritable, L.P. | 0 | $0 | 0.00% | −778−100.0% | Sold out |
| Tokio Marine Asset Management Co Ltd | 0 | $0 | 0.00% | −768−100.0% | Sold out |
| West Family Investments, Inc. | 0 | $0 | 0.00% | −767−100.0% | Sold out |
| WMS Partners, LLC | 0 | $0 | 0.00% | −713−100.0% | Sold out |
| CoreCap Advisors, LLC | 0 | $0 | 0.00% | −701−100.0% | Sold out |
| Greenleaf Trust | 0 | $0 | 0.00% | −695−100.0% | Sold out |
| Patron Partners Advisors, LLC | 0 | $0 | 0.00% | −689−100.0% | Sold out |
| Altshuler Shaham Ltd | 0 | $0 | 0.00% | −413−100.0% | Sold out |
| Loomis Sayles & Co L P | 0 | $0 | 0.00% | −401−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Howe & Rusling Inc | 0 | $0 | 0.00% | −230−100.0% | Sold out |
| Signet Financial Management, LLC | 0 | $0 | 0.00% | −139−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −124−100.0% | Sold out |
| Snowden Capital Advisors LLC | 0 | $0 | 0.00% | −104−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −93−100.0% | Sold out |
| Ten Capital Wealth Advisors, LLC | 0 | $0 | 0.00% | −85−100.0% | Sold out |
| Lumature Wealth Partners, LLC | 0 | $0 | 0.00% | −85−100.0% | Sold out |
| Lee Financial Co | 0 | $0 | 0.00% | −78−100.0% | Sold out |
| Cambridge Trust Co | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| Benjamin Edwards Inc | 0 | $0 | 0.00% | −62−100.0% | Sold out |
| Cornerstone Advisory, LLC | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Capital Advisors, Ltd. LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Sageworth Trust Co | 0 | $0 | 0.00% | −41−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Prestige Wealth Management Group LLC | 0 | $0 | 0.00% | −31−100.0% | Sold out |
| Motley Fool Asset Management LLC | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| Lowe Wealth Advisors, LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| HM Payson & Co | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Ranger Investment Management, L.P. | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Gradient Investments LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| McDonald Partners LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Absolute Capital Management, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Trust Co of Vermont | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Jones Financial Companies LLLP | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Zions Bancorporation, N.A. | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| AdvisorNet Financial, Inc | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Financial Management Professionals, Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| JNBA Financial Advisors | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| TD Private Client Wealth LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Andra AP-fonden | – | – | – | – | Not filed |
| 6 Meridian | – | – | – | – | Not filed |
| Harbour Investments, Inc. | – | – | – | – | Not filed |
| NEXT Financial Group, Inc | – | – | – | – | Not filed |
| Reilly Financial Advisors, LLC | – | – | – | – | Not filed |
| Bell Investment Advisors, Inc | – | – | – | – | Not filed |