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 |
|---|---|---|---|---|---|
| Franklin Resources Inc | 2,132 | $516.0K | 0.00% | −756−26.2% | Reduced |
| Acadian Asset Management LLC | 2,120 | $514.0K | 0.00% | +241+12.8% | Added |
| Los Angeles Capital Management LLC | 1,970 | $478.0K | 0.00% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 1,907 | $462.0K | 0.01% | −646−25.3% | Reduced |
| Janney Capital Management LLC | 1,873 | $454.0K | 0.03% | +5+0.3% | Added |
| Blair William & Co | 1,845 | $447.0K | 0.00% | −713−27.9% | Reduced |
| Quantinno Capital Management LP | 1,842 | $447.0K | 0.51% | +761+70.4% | Added |
| Equitable Trust Co | 1,831 | $444.0K | 0.03% | +1,831 | New |
| Jump Financial, LLC | 1,830 | $444.0K | 0.04% | +1,830 | New |
| Gotham Asset Management, LLC | 1,825 | $442.0K | 0.02% | +12+0.7% | Added |
| Vestcor Inc | 1,807 | $438.0K | 0.01% | −3,430−65.5% | Reduced |
| Bluestein R H & Co | 1,800 | $436.0K | 0.02% | −1,200−40.0% | Reduced |
| World Asset Management Inc | 1,771 | $429.0K | 0.04% | −61−3.3% | Reduced |
| Harvest Investment Services, LLC | 1,751 | $424.0K | 0.18% | −79−4.3% | Reduced |
| Red Spruce Capital, LLC | 1,593 | $386.0K | 0.23% | +38+2.4% | Added |
| Cigna Investments Inc | 1,571 | $381.0K | 0.03% | −300−16.0% | Reduced |
| AE Wealth Management LLC | 1,528 | $370.0K | 0.00% | +318+26.3% | Added |
| Tocqueville Asset Management L.P. | 1,500 | $364.0K | 0.01% | 00.0% | Unchanged |
| GWM Advisors LLC | 1,488 | $361.0K | 0.01% | −502−25.2% | Reduced |
| Keybank National Association | 1,481 | $359.0K | 0.00% | −485−24.7% | Reduced |
| EFG Asset Management (Americas) Corp. | 1,477 | $358.0K | 0.07% | −7,338−83.2% | Reduced |
| Alps Advisors Inc | 1,475 | $358.0K | 0.00% | 00.0% | Unchanged |
| Silvercrest Asset Management Group LLC | 1,465 | $355.0K | 0.00% | +41+2.9% | Added |
| Buckhead Capital Management LLC | 1,465 | $355.0K | 0.08% | +115+8.5% | Added |
| Alyeska Investment Group, L.P. | 1,465 | $355.0K | 0.00% | +1,465 | New |
| CAPROCK Group, Inc. | 1,459 | $354.0K | 0.03% | +10+0.7% | Added |
| First Heartland Consultants, Inc. | 1,435 | $348.0K | 0.05% | +400+38.6% | Added |
| IBM Retirement Fund | 1,410 | $342.0K | 0.03% | −269−16.0% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 1,373 | $333.0K | 0.01% | +1,373 | New |
| Capula Management Ltd | 1,339 | $325.0K | 0.06% | +1,339 | New |
| Capital Analysts, LLC | 1,335 | $324.0K | 0.02% | +1,335 | New |
| Kestra Advisory Services, LLC | 1,316 | $319.0K | 0.00% | +1,316 | New |
| Bowling Portfolio Management LLC | 1,311 | $318.0K | 0.07% | +280+27.2% | Added |
| Paloma Partners Management Co | 1,305 | $317.0K | 0.01% | −3,144−70.7% | Reduced |
| Engineers Gate Manager LP | 1,303 | $316.0K | 0.02% | −8,412−86.6% | Reduced |
| Captrust Financial Advisors | 1,297 | $314.0K | 0.00% | −47−3.5% | Reduced |
| Coldstream Capital Management Inc | 1,290 | $313.0K | 0.01% | +23+1.8% | Added |
| M&G Investment Management Ltd | 1,276 | $309.0K | 0.00% | +1,276 | New |
| Conestoga Capital Advisors, LLC | 1,270 | $308.0K | 0.00% | +175+16.0% | Added |
| Financial Advocates Investment Management | 1,260 | $306.0K | 0.02% | −19−1.5% | Reduced |
| Wealthfront Advisers LLC | 1,225 | $297.0K | 0.00% | −81−6.2% | Reduced |
| Federation des caisses Desjardins du Quebec | 1,224 | $296.4K | 0.00% | −113−8.5% | Reduced |
| CIBC World Markets Inc. | 1,212 | $294.0K | 0.00% | +326+36.8% | Added |
| First Citizens Bank & Trust Co | 1,202 | $291.0K | 0.01% | −153−11.3% | Reduced |
| Patten Group, Inc. | 1,197 | $290.0K | 0.09% | −220−15.5% | Reduced |
| PRW Wealth Management LLC | 1,197 | $290.0K | 0.09% | +1,197 | New |
| Advisor Partners LLC | 1,183 | $287.0K | 0.02% | −37−3.0% | Reduced |
| Redpoint Investment Management Pty Ltd | 1,161 | $281.0K | 0.02% | +152+15.1% | Added |
| Whittier Trust Co | 1,134 | $275.0K | 0.00% | +134+13.4% | Added |
| Regal Investment Advisors LLC | 1,122 | $272.0K | 0.03% | +1,122 | New |
| Northwestern Mutual Wealth Management Co | 1,119 | $271.0K | 0.00% | −157−12.3% | Reduced |
| Eqis Capital Management, Inc. | 1,083 | $263.0K | 0.02% | +82+8.2% | Added |
| Hennion & Walsh Asset Management, Inc. | 1,077 | $261.0K | 0.01% | +1,077 | New |
| Maverick Capital LtdSuperinvestorMaverick Capital | 1,051 | $255.0K | 0.00% | +133+14.5% | Added |
| Laurel Wealth Advisors, Inc. | 1,020 | $247.0K | 0.03% | 00.0% | Unchanged |
| Hills Bank & Trust Co | 1,007 | $244.0K | 0.04% | +1,007 | New |
| Jefferies Group LLC | 1,000 | $242.4K | 0.00% | +1,000 | New |
| Alexandria Capital, LLC | 1,000 | $242.0K | 0.02% | 00.0% | Unchanged |
| Sofos Investments, Inc. | 0 | $242.0K | 0.11% | 0 | Unchanged |
| Bessemer Group Inc | 995 | $241.0K | 0.00% | −174−14.9% | Reduced |
| Harbor Investment Advisory, LLC | 995 | $241.0K | 0.03% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 952 | $231.0K | 0.00% | +952 | New |
| HBK Sorce Advisory LLC | 934 | $226.0K | 0.01% | +21+2.3% | Added |
| Walleye Capital LLC | 920 | $223.0K | 0.01% | +920 | New |
| Livforsakringsbolaget Skandia, Omsesidigt | 900 | $218.0K | 0.01% | +400+80.0% | Added |
| Allstate Corp | 896 | $217.0K | 0.01% | −62−6.5% | Reduced |
| SeaCrest Wealth Management, LLC | 890 | $216.0K | 0.03% | 00.0% | Unchanged |
| Meridian Wealth Management, LLC | 885 | $215.0K | 0.03% | +885 | New |
| YHB Investment Advisors, Inc. | 863 | $209.0K | 0.02% | 00.0% | Unchanged |
| Spire Wealth Management | 856 | $208.0K | 0.01% | −243−22.1% | Reduced |
| Advisory Services Network, LLC | 859 | $208.0K | 0.01% | −113−11.6% | Reduced |
| B. Metzler seel. Sohn & Co. Holding AG | 854 | $207.0K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 851 | $206.0K | 0.00% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 840 | $204.0K | 0.01% | +840 | New |
| Navellier & Associates Inc | 836 | $203.0K | 0.03% | +836 | New |
| Cascadia Advisory Services, LLC | 830 | $201.0K | 0.04% | +830 | New |
| Bank Julius Baer & Co. Ltd, Zurich | 685 | $166.0K | 0.00% | +46+7.2% | Added |
| Walleye Trading LLC | 635 | $154.0K | 0.00% | +635 | New |
| Lazard Asset Management LLC | 571 | $138.0K | 0.00% | +30+5.5% | Added |
| HHM Wealth Advisors, LLC | 554 | $134.0K | 0.04% | +54+10.8% | Added |
| BBVA USA | 532 | $129.0K | 0.01% | +532 | New |
| Signaturefd, LLC | 508 | $123.0K | 0.00% | −37−6.8% | Reduced |
| Benjamin F. Edwards & Company, Inc. | 500 | $121.0K | 0.01% | 00.0% | Unchanged |
| Cribstone Capital Management, LLC | 500 | $121.0K | 0.07% | 00.0% | Unchanged |
| State of Wyoming | 408 | $99.0K | 0.06% | +408 | New |
| Loomis Sayles & Co L P | 401 | $97.0K | 0.00% | −138−25.6% | Reduced |
| Leonteq Securities AG | 400 | $97.0K | 0.01% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 383 | $93.0K | 0.00% | +383 | New |
| Atwood & Palmer Inc | 379 | $92.0K | 0.01% | +379 | New |
| Quadrant Capital Group LLC | 290 | $70.0K | 0.01% | −40−12.1% | Reduced |
| Cullen/Frost Bankers, Inc. | 290 | $70.0K | 0.00% | +290 | New |
| West Oak Capital, LLC | 275 | $67.0K | 0.03% | −50−15.4% | Reduced |
| Harbour Investments, Inc. | 261 | $63.0K | 0.00% | +1+0.4% | Added |
| Fieldpoint Private Securities, LLC | 210 | $56.0K | 0.01% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 228 | $55.0K | 0.00% | −12−5.0% | Reduced |
| Parallel Advisors, LLC | 197 | $48.0K | 0.00% | −12−5.7% | Reduced |
| Central Trust Co | 200 | $48.0K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 188 | $46.0K | 0.01% | −4−2.1% | Reduced |
| Archer Investment Corp | 183 | $44.4K | 0.02% | +40+28.0% | Added |
| Sageworth Trust Co | 180 | $44.0K | 0.00% | +180 | New |