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 |
|---|---|---|---|---|---|
| HRT Financial LP | 9,129 | $2.47M | 0.02% | −2,660−22.6% | Reduced |
| Utah Retirement Systems | 9,021 | $2.44M | 0.03% | −500−5.3% | Reduced |
| Cardinal Capital Management | 8,963 | $2.43M | 0.53% | +21+0.2% | Added |
| Terry L. Blaker | 8,843 | $2.39M | 0.15% | −399−4.3% | Reduced |
| Capital Impact Advisors, LLC | 8,814 | $2.39M | 0.95% | −9,929−53.0% | Reduced |
| Alberta Investment Management Corp | 8,700 | $2.35M | 0.02% | +100+1.2% | Added |
| Creative Planning | 8,637 | $2.34M | 0.00% | −116−1.3% | Reduced |
| Teacher Retirement System of Texas | 8,461 | $2.29M | 0.01% | +1,662+24.4% | Added |
| Azzad Asset Management Inc | 8,428 | $2.28M | 0.34% | −16−0.2% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 8,367 | $2.27M | 0.05% | −60−0.7% | Reduced |
| Tributary Capital Management, LLC | 8,200 | $2.22M | 0.17% | +3,600+78.3% | Added |
| Stifel Financial Corp | 8,153 | $2.21M | 0.00% | −683−7.7% | Reduced |
| Birchview Capital, LP | 8,000 | $2.17M | 1.47% | 00.0% | Unchanged |
| American Century Companies Inc | 7,945 | $2.15M | 0.00% | +653+9.0% | Added |
| Kornitzer Capital Management Inc | 7,720 | $2.09M | 0.03% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 7,537 | $2.04M | 0.01% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 7,518 | $2.04M | 0.00% | +817+12.2% | Added |
| Toronto Dominion Bank | 7,378 | $2.00M | 0.00% | −131−1.7% | Reduced |
| Teachers Retirement System of the State of Kentucky | 7,326 | $1.98M | 0.02% | 00.0% | Unchanged |
| Congress Asset Management Co | 7,298 | $1.98M | 0.02% | +107+1.5% | Added |
| CWM Advisors, LLC | 7,209 | $1.95M | 0.25% | +7,209 | New |
| Lisanti Capital Growth, LLC | 7,100 | $1.92M | 0.28% | +7,100 | New |
| Brinker Capital Investments, LLC | 7,917 | $1.92M | 0.03% | 00.0% | Unchanged |
| Voloridge Investment Management, LLC | 7,069 | $1.91M | 0.01% | +7,069 | New |
| Pacer Advisors, Inc. | 7,043 | $1.91M | 0.02% | +1,684+31.4% | Added |
| Brown Advisory Securities, LLC | 6,825 | $1.85M | 0.55% | −836−10.9% | Reduced |
| IFM Investors Pty Ltd | 6,774 | $1.83M | 0.04% | 00.0% | Unchanged |
| Franklin Resources Inc | 6,694 | $1.81M | 0.00% | +4,562+214.0% | Added |
| SG Americas Securities, LLC | 6,441 | $1.74M | 0.01% | −5,935−48.0% | Reduced |
| Summit Global Investments | 6,337 | $1.72M | 0.13% | −6,305−49.9% | Reduced |
| DekaBank Deutsche Girozentrale | 6,182 | $1.67M | 0.00% | +242+4.1% | Added |
| Altman Advisors, Inc. | 5,790 | $1.64M | 0.91% | +33+0.6% | Added |
| Janney Montgomery Scott LLC | 5,837 | $1.58M | 0.01% | +120+2.1% | Added |
| American Portfolios Advisors | 5,765 | $1.56M | 0.06% | +3,262+130.3% | Added |
| Truist Financial Corp | 5,718 | $1.55M | 0.00% | +174+3.1% | Added |
| Pitcairn Co | 5,596 | $1.51M | 0.10% | −157−2.7% | Reduced |
| Nissay Asset Management Corp | 5,502 | $1.49M | 0.01% | +164+3.1% | Added |
| Mirabella Financial Services LLP | 5,497 | $1.49M | 0.20% | +5,497 | New |
| Crossmark Global Holdings, Inc. | 5,316 | $1.44M | 0.03% | −200−3.6% | Reduced |
| Tower Research Capital LLC (TRC) | 5,278 | $1.43M | 0.04% | −5,589−51.4% | Reduced |
| MML Investors Services, LLC | 5,252 | $1.42M | 0.01% | +27+0.5% | Added |
| BNP Paribas Arbitrage, SA | 5,225 | $1.41M | 0.00% | −4,779−47.8% | Reduced |
| Brown Advisory Inc | 5,064 | $1.37M | 0.00% | −505−9.1% | Reduced |
| Doliver Advisors, LP | 5,025 | $1.36M | 0.46% | −1,885−27.3% | Reduced |
| Private Advisor Group, LLC | 4,984 | $1.35M | 0.01% | −950−16.0% | Reduced |
| OPSEU Pension Plan Trust Fund | 4,955 | $1.32M | 0.33% | −335−6.3% | Reduced |
| ProShare Advisors LLC | 4,695 | $1.27M | 0.00% | −956−16.9% | Reduced |
| Diversified Trust Co | 4,646 | $1.26M | 0.05% | −83−1.8% | Reduced |
| Securian Asset Management, Inc | 4,543 | $1.23M | 0.03% | −108−2.3% | Reduced |
| Winton Group Ltd | 4,366 | $1.18M | 0.07% | +4,366 | New |
| Seven Eight Capital, LP | 4,300 | $1.16M | 0.11% | −1,100−20.4% | Reduced |
| US Bancorp | 4,212 | $1.14M | 0.00% | −248−5.6% | Reduced |
| Standard Life Aberdeen plc | 4,157 | $1.13M | 0.00% | −174−4.0% | Reduced |
| Westpac Banking Corp | 3,952 | $1.07M | 0.01% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 3,855 | $1.04M | 0.00% | −275−6.7% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 3,828 | $1.04M | 0.00% | −320−7.7% | Reduced |
| AlphaCrest Capital Management LLC | 3,793 | $1.03M | 0.05% | −1,063−21.9% | Reduced |
| Knowledge Leaders Capital, LLC | 3,780 | $1.02M | 0.83% | +45+1.2% | Added |
| Maryland State Retirement & Pension System | 3,736 | $1.02M | 0.03% | 00.0% | Unchanged |
| Fiera Capital Corp | 3,726 | $1.01M | 0.00% | −2,150−36.6% | Reduced |
| PEAK6 Investments LLC | 3,691 | $999.0K | 0.02% | −3,794−50.7% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 3,677 | $995.0K | 0.02% | −43−1.2% | Reduced |
| Institutional & Family Asset Management, LLC | 3,650 | $988.0K | 0.16% | 00.0% | Unchanged |
| Oxford Financial Group Ltd | 3,642 | $986.0K | 0.13% | 00.0% | Unchanged |
| Meiji Yasuda Asset Management Co Ltd. | 3,535 | $957.0K | 0.07% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 3,495 | $946.0K | 0.00% | −58−1.6% | Reduced |
| Profund Advisors LLC | 3,099 | $839.0K | 0.03% | −221−6.7% | Reduced |
| Jane Street Group, LLC | 3,096 | $838.0K | 0.00% | −4,126−57.1% | Reduced |
| 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 |
| Guardian Capital LP | 2,978 | $806.0K | 0.02% | +400+15.5% | Added |
| Virtu Financial LLC | 2,894 | $783.0K | 0.07% | +2,894 | New |
| Commerce Bank | 2,863 | $775.0K | 0.01% | +523+22.4% | Added |
| Shelton Capital Management | 2,858 | $774.0K | 0.03% | 00.0% | Unchanged |
| Northwest & Ethical Investments L.P. | 2,734 | $740.1K | 0.02% | −7,231−72.6% | Reduced |
| Robeco Institutional Asset Management B.V. | 2,658 | $720.0K | 0.00% | −126−4.5% | Reduced |
| Panagora Asset Management Inc | 2,611 | $707.0K | 0.00% | −43−1.6% | Reduced |
| Daiwa Securities Group Inc. | 2,613 | $707.0K | 0.00% | +120+4.8% | Added |
| Raymond James Trust N.A. | 2,513 | $680.0K | 0.02% | +31+1.2% | Added |
| Nordea Investment Management AB | 2,479 | $675.0K | 0.00% | 00.0% | Unchanged |
| Legal Advantage Investments, Inc. | 2,475 | $670.0K | 0.45% | 00.0% | Unchanged |
| Qtron Investments LLC | 2,466 | $668.0K | 0.18% | +2,466 | New |
| Intrust Bank NA | 2,465 | $667.0K | 0.09% | −20−0.8% | Reduced |
| Fort, L.P. | 2,459 | $666.0K | 0.22% | −1,686−40.7% | Reduced |
| Moneta Group Investment Advisors LLC | 2,453 | $664.0K | 0.03% | +44+1.8% | Added |
| Achmea Investment Management B.V. | 2,442 | $661.0K | 0.02% | +2,442 | New |
| KCM Investment Advisors LLC | 2,435 | $659.0K | 0.03% | 00.0% | Unchanged |
| Fosun International Ltd | 2,400 | $649.0K | 0.03% | 00.0% | Unchanged |
| Eqis Capital Management, Inc. | 2,386 | $646.0K | 0.05% | +1,303+120.3% | Added |
| Sigma Planning Corp | 2,377 | $643.0K | 0.02% | +2,377 | New |
| STRS Ohio | 2,342 | $634.0K | 0.00% | −578−19.8% | Reduced |
| CIBC Asset Management Inc | 2,249 | $609.0K | 0.00% | −8,194−78.5% | Reduced |
| M&T Bank Corp | 2,167 | $588.0K | 0.00% | −150−6.5% | Reduced |
| BancorpSouth Bank | 2,172 | $588.0K | 0.08% | 00.0% | Unchanged |
| Symmetry Partners, LLC | 2,178 | $585.0K | 0.04% | 00.0% | Unchanged |
| Independent Advisor Alliance | 2,074 | $562.0K | 0.03% | −200−8.8% | Reduced |
| Quantamental Technologies LLC | 2,067 | $560.0K | 0.37% | +2,067 | New |
| Yorktown Management & Research Co Inc | 1,950 | $528.0K | 0.40% | +1,950 | New |
| Nisa Investment Advisors, LLC | 1,926 | $521.0K | 0.00% | −1,891−49.5% | Reduced |