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 |
|---|---|---|---|---|---|
| Shelton Capital Management | 2,858 | $774.0K | 0.03% | 00.0% | Unchanged |
| Commerce Bank | 2,863 | $775.0K | 0.01% | +523+22.4% | Added |
| Virtu Financial LLC | 2,894 | $783.0K | 0.07% | +2,894 | New |
| Guardian Capital LP | 2,978 | $806.0K | 0.02% | +400+15.5% | Added |
| DAFNA Capital Management LLC | 3,000 | $812.0K | 0.22% | 00.0% | Unchanged |
| Crown Advisors Management, Inc. | 3,000 | $812.0K | 0.57% | 00.0% | Unchanged |
| Natixis | 3,000 | $812.0K | 0.00% | +3,000 | New |
| Jane Street Group, LLC | 3,096 | $838.0K | 0.00% | −4,126−57.1% | Reduced |
| Profund Advisors LLC | 3,099 | $839.0K | 0.03% | −221−6.7% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 3,495 | $946.0K | 0.00% | −58−1.6% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 3,535 | $957.0K | 0.07% | 00.0% | Unchanged |
| Oxford Financial Group Ltd | 3,642 | $986.0K | 0.13% | 00.0% | Unchanged |
| Institutional & Family Asset Management, LLC | 3,650 | $988.0K | 0.16% | 00.0% | Unchanged |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 3,677 | $995.0K | 0.02% | −43−1.2% | Reduced |
| PEAK6 Investments LLC | 3,691 | $999.0K | 0.02% | −3,794−50.7% | Reduced |
| Fiera Capital Corp | 3,726 | $1.01M | 0.00% | −2,150−36.6% | Reduced |
| Maryland State Retirement & Pension System | 3,736 | $1.02M | 0.03% | 00.0% | Unchanged |
| Knowledge Leaders Capital, LLC | 3,780 | $1.02M | 0.83% | +45+1.2% | Added |
| AlphaCrest Capital Management LLC | 3,793 | $1.03M | 0.05% | −1,063−21.9% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 3,828 | $1.04M | 0.00% | −320−7.7% | Reduced |
| Commonwealth Equity Services, LLC | 3,855 | $1.04M | 0.00% | −275−6.7% | Reduced |
| Westpac Banking Corp | 3,952 | $1.07M | 0.01% | 00.0% | Unchanged |
| Standard Life Aberdeen plc | 4,157 | $1.13M | 0.00% | −174−4.0% | Reduced |
| US Bancorp | 4,212 | $1.14M | 0.00% | −248−5.6% | Reduced |
| Seven Eight Capital, LP | 4,300 | $1.16M | 0.11% | −1,100−20.4% | Reduced |
| Winton Group Ltd | 4,366 | $1.18M | 0.07% | +4,366 | New |
| Securian Asset Management, Inc | 4,543 | $1.23M | 0.03% | −108−2.3% | Reduced |
| Diversified Trust Co | 4,646 | $1.26M | 0.05% | −83−1.8% | Reduced |
| ProShare Advisors LLC | 4,695 | $1.27M | 0.00% | −956−16.9% | Reduced |
| OPSEU Pension Plan Trust Fund | 4,955 | $1.32M | 0.33% | −335−6.3% | Reduced |
| Private Advisor Group, LLC | 4,984 | $1.35M | 0.01% | −950−16.0% | Reduced |
| Doliver Advisors, LP | 5,025 | $1.36M | 0.46% | −1,885−27.3% | Reduced |
| Brown Advisory Inc | 5,064 | $1.37M | 0.00% | −505−9.1% | Reduced |
| BNP Paribas Arbitrage, SA | 5,225 | $1.41M | 0.00% | −4,779−47.8% | Reduced |
| MML Investors Services, LLC | 5,252 | $1.42M | 0.01% | +27+0.5% | Added |
| Tower Research Capital LLC (TRC) | 5,278 | $1.43M | 0.04% | −5,589−51.4% | Reduced |
| Crossmark Global Holdings, Inc. | 5,316 | $1.44M | 0.03% | −200−3.6% | Reduced |
| Mirabella Financial Services LLP | 5,497 | $1.49M | 0.20% | +5,497 | New |
| Nissay Asset Management Corp | 5,502 | $1.49M | 0.01% | +164+3.1% | Added |
| Pitcairn Co | 5,596 | $1.51M | 0.10% | −157−2.7% | Reduced |
| Truist Financial Corp | 5,718 | $1.55M | 0.00% | +174+3.1% | Added |
| American Portfolios Advisors | 5,765 | $1.56M | 0.06% | +3,262+130.3% | Added |
| Janney Montgomery Scott LLC | 5,837 | $1.58M | 0.01% | +120+2.1% | Added |
| Altman Advisors, Inc. | 5,790 | $1.64M | 0.91% | +33+0.6% | Added |
| DekaBank Deutsche Girozentrale | 6,182 | $1.67M | 0.00% | +242+4.1% | Added |
| Summit Global Investments | 6,337 | $1.72M | 0.13% | −6,305−49.9% | Reduced |
| SG Americas Securities, LLC | 6,441 | $1.74M | 0.01% | −5,935−48.0% | Reduced |
| Franklin Resources Inc | 6,694 | $1.81M | 0.00% | +4,562+214.0% | Added |
| IFM Investors Pty Ltd | 6,774 | $1.83M | 0.04% | 00.0% | Unchanged |
| Brown Advisory Securities, LLC | 6,825 | $1.85M | 0.55% | −836−10.9% | Reduced |
| Pacer Advisors, Inc. | 7,043 | $1.91M | 0.02% | +1,684+31.4% | Added |
| Voloridge Investment Management, LLC | 7,069 | $1.91M | 0.01% | +7,069 | New |
| Brinker Capital Investments, LLC | 7,917 | $1.92M | 0.03% | 00.0% | Unchanged |
| Lisanti Capital Growth, LLC | 7,100 | $1.92M | 0.28% | +7,100 | New |
| CWM Advisors, LLC | 7,209 | $1.95M | 0.25% | +7,209 | New |
| Congress Asset Management Co | 7,298 | $1.98M | 0.02% | +107+1.5% | Added |
| Teachers Retirement System of the State of Kentucky | 7,326 | $1.98M | 0.02% | 00.0% | Unchanged |
| Toronto Dominion Bank | 7,378 | $2.00M | 0.00% | −131−1.7% | Reduced |
| Allianz Asset Management GmbH | 7,518 | $2.04M | 0.00% | +817+12.2% | Added |
| Public Employees Retirement Association of Colorado | 7,537 | $2.04M | 0.01% | 00.0% | Unchanged |
| Kornitzer Capital Management Inc | 7,720 | $2.09M | 0.03% | 00.0% | Unchanged |
| American Century Companies Inc | 7,945 | $2.15M | 0.00% | +653+9.0% | Added |
| Birchview Capital, LP | 8,000 | $2.17M | 1.47% | 00.0% | Unchanged |
| Stifel Financial Corp | 8,153 | $2.21M | 0.00% | −683−7.7% | Reduced |
| Tributary Capital Management, LLC | 8,200 | $2.22M | 0.17% | +3,600+78.3% | Added |
| Northwestern Mutual Investment Management Company, LLC | 8,367 | $2.27M | 0.05% | −60−0.7% | Reduced |
| Azzad Asset Management Inc | 8,428 | $2.28M | 0.34% | −16−0.2% | Reduced |
| Teacher Retirement System of Texas | 8,461 | $2.29M | 0.01% | +1,662+24.4% | Added |
| Creative Planning | 8,637 | $2.34M | 0.00% | −116−1.3% | Reduced |
| Alberta Investment Management Corp | 8,700 | $2.35M | 0.02% | +100+1.2% | Added |
| Capital Impact Advisors, LLC | 8,814 | $2.39M | 0.95% | −9,929−53.0% | Reduced |
| Terry L. Blaker | 8,843 | $2.39M | 0.15% | −399−4.3% | Reduced |
| Cardinal Capital Management | 8,963 | $2.43M | 0.53% | +21+0.2% | Added |
| Utah Retirement Systems | 9,021 | $2.44M | 0.03% | −500−5.3% | Reduced |
| HRT Financial LP | 9,129 | $2.47M | 0.02% | −2,660−22.6% | Reduced |
| The PNC Financial Services Group, Inc. | 9,190 | $2.49M | 0.00% | −68−0.7% | Reduced |
| Advisor Group Holdings, Inc. | 9,282 | $2.51M | 0.01% | +195+2.1% | Added |
| South Dakota Investment Council | 9,355 | $2.53M | 0.05% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,391 | $2.54M | 0.01% | 00.0% | Unchanged |
| Xponance, Inc. | 9,403 | $2.54M | 0.05% | −247−2.6% | Reduced |
| Holocene Advisors, LP | 9,668 | $2.62M | 0.02% | −14,240−59.6% | Reduced |
| AMP Capital Investors Ltd | 9,910 | $2.68M | 0.01% | −836−7.8% | Reduced |
| Forsta Ap-Fonden | 10,000 | $2.71M | 0.03% | +10,000 | New |
| Storebrand Asset Management AS | 10,033 | $2.72M | 0.01% | −1,696−14.5% | Reduced |
| Seeyond | 10,183 | $2.76M | 0.27% | −1,249−10.9% | Reduced |
| Eukles Asset Management | 10,201 | $2.76M | 1.51% | +252+2.5% | Added |
| Gulf International Bank (UK) Ltd | 10,455 | $2.83M | 0.04% | 00.0% | Unchanged |
| Susquehanna Fundamental Investments, LLC | 10,485 | $2.84M | 0.05% | +900+9.4% | Added |
| New Mexico Educational Retirement Board | 10,500 | $2.84M | 0.10% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 10,595 | $2.87M | 0.02% | +716+7.2% | Added |
| Andra AP-fonden | 10,900 | $2.95M | 0.06% | −300−2.7% | Reduced |
| Metropolitan Life Insurance Co | 10,947 | $2.96M | 0.04% | −365−3.2% | Reduced |
| HighTower Advisors, LLC | 11,014 | $2.98M | 0.01% | +151+1.4% | Added |
| Janus Henderson Group PLC | 11,150 | $3.02M | 0.00% | −20,840−65.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 11,557 | $3.13M | 0.01% | +930+8.8% | Added |
| USS Investment Management Ltd | 11,595 | $3.14M | 0.03% | +11,595 | New |
| Squarepoint Ops LLC | 11,604 | $3.14M | 0.02% | +11,604 | New |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 11,800 | $3.19M | 0.03% | +1,400+13.5% | Added |
| Baird Financial Group, Inc. | 11,831 | $3.20M | 0.01% | +1,564+15.2% | Added |
| Exchange Traded Concepts, LLC | 12,520 | $3.39M | 0.09% | −1,439−10.3% | Reduced |