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 2021
Institutional positions in Masimo Corp as of Sep 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
- 475
- +20 vs. Q2 2021
- Shares held
- 46.3M
- +529.7K (+1.2%) vs. Q2 2021
- Total value
- $12.5B
- +$1.43B (+12.9%) vs. Q2 2021
- New holders
- 56
- 148 more added
- Sold out
- 36
- 175 more reduced
4 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Parallel Advisors, LLC | 294 | $80.0K | 0.00% | +97+49.2% | Added |
| Cullen/Frost Bankers, Inc. | 265 | $72.0K | 0.00% | −25−8.6% | Reduced |
| Harbour Investments, Inc. | 257 | $70.0K | 0.00% | −4−1.5% | Reduced |
| Archer Investment Corp | 241 | $65.2K | 0.02% | +58+31.7% | Added |
| First Horizon Advisors, Inc. | 236 | $63.0K | 0.00% | +8+3.5% | Added |
| O'Shaughnessy Asset Management, LLC | 232 | $63.0K | 0.00% | +103+79.8% | Added |
| Ci Investments Inc. | 224 | $61.0K | 0.00% | +224 | New |
| Fieldpoint Private Securities, LLC | 219 | $59.0K | 0.01% | +9+4.3% | Added |
| Central Trust Co | 200 | $54.0K | 0.00% | 00.0% | Unchanged |
| NEXT Financial Group, Inc | 200 | $54.0K | 0.00% | +23+13.0% | Added |
| Ibex Wealth Advisors | 199 | $54.0K | 0.01% | +199 | New |
| Lindbrook Capital, LLC | 191 | $52.0K | 0.01% | +3+1.6% | Added |
| Sageworth Trust Co | 180 | $49.0K | 0.00% | 00.0% | Unchanged |
| Altshuler Shaham Ltd | 181 | $49.0K | 0.00% | +181 | New |
| Tobam | 174 | $47.0K | 0.00% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 170 | $46.0K | 0.00% | 00.0% | Unchanged |
| DuPont Capital Management Corp | 170 | $46.0K | 0.00% | +170 | New |
| Fifth Third Bancorp | 136 | $37.0K | 0.00% | +46+51.1% | Added |
| Gemmer Asset Management LLC | 127 | $34.0K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 109 | $30.0K | 0.00% | +14+14.7% | Added |
| Harvest Fund Management Co., Ltd | 102 | $27.0K | 0.01% | 00.0% | Unchanged |
| Smithfield Trust Co | 98 | $26.0K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 87 | $24.0K | 0.00% | +7+8.8% | Added |
| Allworth Financial LP | 90 | $24.0K | 0.00% | +40+80.0% | Added |
| Lumature Wealth Partners, LLC | 85 | $23.0K | 0.01% | +85 | New |
| Asset Dedication, LLC | 68 | $18.0K | 0.00% | 00.0% | Unchanged |
| Arkadios Wealth Advisors | 68 | $18.0K | 0.00% | 00.0% | Unchanged |
| Reilly Financial Advisors, LLC | 61 | $17.0K | 0.00% | 00.0% | Unchanged |
| JJJ Advisors Inc. | 64 | $17.0K | 0.01% | +28+77.8% | Added |
| Heritage Wealth Management, LLC | 60 | $16.0K | 0.01% | 00.0% | Unchanged |
| Twin Tree Management, LP | 60 | $16.0K | 0.00% | +21+53.8% | Added |
| Bell Investment Advisors, Inc | 55 | $15.0K | 0.00% | +55 | New |
| Toth Financial Advisory Corp | 50 | $14.0K | 0.00% | 00.0% | Unchanged |
| Clean Yield Group | 49 | $13.0K | 0.00% | 00.0% | Unchanged |
| Holloway Wealth Management, LLC | – | $12.0K | 0.00% | – | – |
| Capital Advisory Group Advisory Services, LLC | 36 | $10.0K | 0.00% | −22−37.9% | Reduced |
| TCI Wealth Advisors, Inc. | 37 | $10.0K | 0.00% | −1−2.6% | Reduced |
| Global Retirement Partners, LLC | 31 | $8.00K | 0.00% | −6−16.2% | Reduced |
| SRS Capital Advisors, Inc. | 30 | $8.00K | 0.00% | +3+11.1% | Added |
| Earnest Partners LLC | 27 | $7.00K | 0.00% | 00.0% | Unchanged |
| Lowe Wealth Advisors, LLC | 25 | $7.00K | 0.00% | 00.0% | Unchanged |
| Delos Wealth Advisors, LLC | 26 | $7.00K | 0.01% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 23 | $7.00K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 25 | $6.00K | 0.00% | 00.0% | Unchanged |
| HM Payson & Co | 21 | $6.00K | 0.00% | 00.0% | Unchanged |
| Berman Capital Advisors, LLC | 23 | $6.00K | 0.00% | 00.0% | Unchanged |
| RWM Asset Management, LLC | 21 | $6.00K | 0.00% | +21 | New |
| IFP Advisors, Inc | 17 | $5.00K | 0.00% | −91−84.3% | Reduced |
| BDO Wealth Advisors, LLC | 17 | $5.00K | 0.00% | −6−26.1% | 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 |
| Meridian Wealth Partners, LLC | 20 | $5.00K | 0.00% | +20 | New |
| Concord Wealth Partners | 14 | $4.00K | 0.00% | −29−67.4% | Reduced |
| Clearstead Advisors, LLC | 15 | $4.00K | 0.00% | 00.0% | Unchanged |
| FinTrust Capital Advisors, LLC | 13 | $4.00K | 0.00% | 00.0% | Unchanged |
| Adirondack Trust Co | 12 | $3.00K | 0.00% | 00.0% | Unchanged |
| Benjamin Edwards Inc | 11 | $3.00K | 0.00% | +11 | New |
| McCarthy Grittinger Financial Group, LLC | 8 | $2.17K | 0.00% | +8 | New |
| National Pension Service | 8 | $2.00K | 0.00% | −3,397−99.8% | Reduced |
| Glassman Wealth Services | 8 | $2.00K | 0.00% | 00.0% | Unchanged |
| RPG Investment Advisory, LLC | 6 | $2.00K | 0.00% | −2−25.0% | Reduced |
| HighMark Wealth Management LLC | 6 | $2.00K | 0.00% | −2−25.0% | Reduced |
| Massmutual Trust Co FSB | 9 | $2.00K | 0.00% | +5+125.0% | Added |
| Zions Bancorporation, N.A. | 6 | $2.00K | 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 |
| Versant Capital Management, Inc | 5 | $1.00K | 0.00% | 00.0% | Unchanged |
| CX Institutional | 4 | $1.00K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 3 | $1.00K | 0.00% | +3 | New |
| Carroll Financial Associates, Inc. | 6 | $1.00K | 0.00% | +6 | New |
| Financial Management Professionals, Inc. | 3 | $1.00K | 0.00% | +3 | New |
| Stonebridge Capital Advisors LLC | 2 | $1.00K | 0.00% | +2 | New |
| Exane Derivatives | 2 | $541 | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 1 | $0 | 0.00% | 00.0% | Unchanged |
| Liberty Wealth Management LLC | 1 | $0 | 0.00% | +1 | New |
| William Blair Investment Management, LLC | 0 | $0 | 0.00% | −431,775−100.0% | Sold out |
| ArrowMark Colorado Holdings LLC | 0 | $0 | 0.00% | −125,426−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −67,819−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −14,918−100.0% | Sold out |
| Waverton Investment Management Ltd | 0 | $0 | 0.00% | −10,105−100.0% | Sold out |
| Rathbone Brothers plc | 0 | $0 | 0.00% | −6,600−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −4,405−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −4,363−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −3,939−100.0% | Sold out |
| Stoneridge Investment Partners LLC | 0 | $0 | 0.00% | −3,987−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −3,458−100.0% | Sold out |
| Arthur M. Cohen & Associates, LLC | 0 | $0 | 0.00% | −3,340−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −3,156−100.0% | Sold out |
| Van Eck Associates Corp | 0 | $0 | 0.00% | −2,849−100.0% | Sold out |
| Formuepleje A/S | 0 | $0 | 0.00% | −2,440−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −2,120−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −1,970−100.0% | Sold out |
| Blair William & Co | 0 | $0 | 0.00% | −1,845−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −1,830−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −1,475−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −1,339−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −1,305−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −1,303−100.0% | Sold out |
| PRW Wealth Management LLC | 0 | $0 | 0.00% | −1,197−100.0% | Sold out |