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, Q4 2023
Institutional positions in Masimo Corp as of Dec 31, 2023. 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
- 342
- −10 vs. Q3 2023
- Shares held
- 50.4M
- +3.05M (+6.5%) vs. Q3 2023
- Total value
- $5.91B
- +$1.75B (+42.3%) vs. Q3 2023
- New holders
- 63
- 111 more added
- Sold out
- 73
- 121 more reduced
5 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Edgestream Partners, L.P. | 2,297 | $269.2K | 0.02% | +2,297 | New |
| AE Wealth Management LLC | 2,141 | $272.5K | 0.00% | +2,141 | New |
| ProShare Advisors LLC | 2,336 | $273.8K | 0.00% | −60−2.5% | Reduced |
| M&T Bank Corp | 2,378 | $278.6K | 0.00% | +2,378 | New |
| Bessemer Group Inc | 2,407 | $282.0K | 0.00% | −150−5.9% | Reduced |
| Teacher Retirement System of Texas | 2,422 | $284.0K | 0.00% | −1,035−29.9% | Reduced |
| KCM Investment Advisors LLC | 2,425 | $284.2K | 0.01% | +10+0.4% | Added |
| Sigma Planning Corp | 2,569 | $301.1K | 0.02% | −336−11.6% | Reduced |
| Prudential Financial Inc | 2,631 | $308.4K | 0.00% | +90+3.5% | Added |
| Buckhead Capital Management LLC | 2,650 | $310.6K | 0.12% | −150−5.4% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 2,787 | $326.7K | 0.00% | +2,787 | New |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 2,805 | $328.8K | 0.02% | +61+2.2% | Added |
| MML Investors Services, LLC | 2,869 | $336.0K | 0.00% | −105−3.5% | Reduced |
| Silvercrest Asset Management Group LLC | 2,982 | $349.5K | 0.00% | +101+3.5% | Added |
| NEOS Investment Management LLC | 2,989 | $350.3K | 0.03% | +2,989 | New |
| DAFNA Capital Management LLC | 3,000 | $351.6K | 0.08% | 00.0% | Unchanged |
| M&G Investment Management Ltd | 3,061 | $358.1K | 0.00% | −106−3.3% | Reduced |
| HighTower Advisors, LLC | 3,072 | $359.0K | 0.00% | −187−5.7% | Reduced |
| KBC Group NV | 3,090 | $362.0K | 0.00% | −7,312−70.3% | Reduced |
| First Trust Advisors LP | 3,191 | $374.0K | 0.00% | −101,653−97.0% | Reduced |
| Handelsinvest Investeringsforvaltning | 3,239 | $380.0K | 0.16% | +3,239 | New |
| Mariner, LLC | 3,252 | $381.2K | 0.00% | +3,252 | New |
| Algert Global LLC | 3,270 | $383.3K | 0.02% | +3,270 | New |
| Axq Capital, LP | 3,300 | $386.8K | 0.10% | −5,300−61.6% | Reduced |
| Crossmark Global Holdings, Inc. | 3,303 | $388.0K | 0.01% | −211−6.0% | Reduced |
| Oxford Financial Group Ltd | 3,430 | $402.0K | 0.03% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 3,500 | $410.2K | 0.00% | −19,200−84.6% | Reduced |
| Institutional & Family Asset Management, LLC | 3,650 | $427.8K | 0.07% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,707 | $434.5K | 0.01% | −2,654−41.7% | Reduced |
| Maryland State Retirement & Pension System | 3,736 | $437.9K | 0.01% | 00.0% | Unchanged |
| Securian Asset Management, Inc | 3,757 | $440.4K | 0.01% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 3,838 | $449.9K | 0.00% | −1,980−34.0% | Reduced |
| The PNC Financial Services Group, Inc. | 3,845 | $450.7K | 0.00% | +63+1.7% | Added |
| Franklin Resources Inc | 3,960 | $464.2K | 0.00% | +768+24.1% | Added |
| SG Americas Securities, LLC | 4,009 | $470.0K | 0.01% | −8,705−68.5% | Reduced |
| CI Private Wealth, LLC | 4,037 | $473.2K | 0.00% | +1,611+66.4% | Added |
| Verus Capital Partners, LLC | 4,051 | $474.8K | 0.06% | +400+11.0% | Added |
| Guggenheim Capital LLC | 4,070 | $477.0K | 0.00% | −200−4.7% | Reduced |
| Commerce Bank | 4,085 | $478.8K | 0.00% | +1,539+60.4% | Added |
| HSBC Holdings PLC | 4,132 | $484.3K | 0.00% | −6,816−62.3% | Reduced |
| North Star Asset Management Inc | 4,193 | $491.5K | 0.03% | −220−5.0% | Reduced |
| Oak Thistle LLC | 4,233 | $496.1K | 0.14% | +4,233 | New |
| Neuberger Berman Group LLC | 4,308 | $504.9K | 0.00% | +4,308 | New |
| Baird Financial Group, Inc. | 4,412 | $517.1K | 0.00% | −170−3.7% | Reduced |
| Brinker Capital Investments, LLC | 4,571 | $523.5K | 0.01% | −1,053−18.7% | Reduced |
| Orion Portfolio Solutions, LLC | 4,571 | $523.5K | 0.01% | −1,053−18.7% | Reduced |
| LPL Financial LLC | 4,543 | $532.4K | 0.00% | −1,594−26.0% | Reduced |
| Private Advisor Group, LLC | 4,709 | $551.9K | 0.00% | +196+4.3% | Added |
| State of Alaska, Department of Revenue | 4,794 | $561.0K | 0.01% | −480−9.1% | Reduced |
| Martin Currie Ltd | 4,997 | $585.7K | 0.02% | −490,913−99.0% | Reduced |
| Carmignac Gestion | 5,000 | $586.0K | 0.01% | −7,270−59.3% | Reduced |
| Raymond James Trust N.A. | 5,114 | $599.4K | 0.02% | +634+14.2% | Added |
| Stifel Financial Corp | 5,142 | $602.7K | 0.00% | +5,142 | New |
| APG Asset Management N.V. | 5,723 | $607.2K | 0.00% | −1,888−24.8% | Reduced |
| Allianz Asset Management GmbH | 5,272 | $617.9K | 0.00% | +11+0.2% | Added |
| Pathstone Holdings, LLC | 5,369 | $629.3K | 0.00% | +5,369 | New |
| Pictet Asset Management Holding SA | 5,401 | $633.1K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 5,478 | $642.0K | 0.00% | −1,751−24.2% | Reduced |
| American Century Companies Inc | 5,588 | $655.0K | 0.00% | +375+7.2% | Added |
| Bank of Montreal | 5,556 | $666.7K | 0.00% | −17,389−75.8% | Reduced |
| Public Employees Retirement Association of Colorado | 5,825 | $683.0K | 0.00% | −50−0.9% | Reduced |
| Peloton Wealth Strategists | 5,950 | $697.0K | 0.30% | −2,550−30.0% | Reduced |
| Advisor Group Holdings, Inc. | 6,150 | $720.8K | 0.00% | −1,867−23.3% | Reduced |
| Amundi | 6,406 | $727.2K | 0.00% | −765−10.7% | Reduced |
| Entropy Technologies, LP | 6,249 | $732.4K | 0.14% | +6,249 | New |
| Navellier & Associates Inc | 6,310 | $739.6K | 0.11% | 00.0% | Unchanged |
| Walleye Trading LLC | 6,428 | $753.4K | 0.01% | +4,642+259.9% | Added |
| Pacer Advisors, Inc. | 6,672 | $782.0K | 0.00% | +2,978+80.6% | Added |
| LMR Partners LLP | 6,768 | $793.3K | 0.02% | +2,297+51.4% | Added |
| Advisors Asset Management, Inc. | 6,822 | $799.6K | 0.02% | +3,773+123.7% | Added |
| Truist Financial Corp | 6,825 | $800.0K | 0.00% | −117−1.7% | Reduced |
| JustInvest LLC | 6,970 | $817.0K | 0.02% | +4,451+176.7% | Added |
| Group One Trading, L.P. | 7,021 | $822.9K | 0.03% | +3,381+92.9% | Added |
| Seaport Global Advisors, LLC | 7,109 | $833.2K | 2.00% | +6,022+554.0% | Added |
| Scientech Research LLC | 7,329 | $859.0K | 0.85% | +7,329 | New |
| US Bancorp | 7,329 | $859.0K | 0.00% | +22+0.3% | Added |
| Utah Retirement Systems | 7,521 | $881.5K | 0.01% | +100+1.3% | Added |
| Brevan Howard Capital Management LP | 7,696 | $902.0K | 0.09% | +7,696 | New |
| Exchange Traded Concepts, LLC | 7,758 | $909.3K | 0.02% | −367−4.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,914 | $927.6K | 0.00% | +713+9.9% | Added |
| Krensavage Asset Management, LLC | 8,000 | $938.0K | 0.33% | +8,000 | New |
| Linden Thomas Advisory Services, LLC | 8,539 | $1.00M | 0.19% | +183+2.2% | Added |
| De Burlo Group Inc | 11,452 | $1.00M | 0.17% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 8,773 | $1.03M | 0.00% | −17,216−66.2% | Reduced |
| Eukles Asset Management | 8,864 | $1.04M | 0.49% | −456−4.9% | Reduced |
| KP Management LLC | 8,884 | $1.04M | 0.52% | +8,884 | New |
| Norges Bank | 8,957 | $1.05M | 0.00% | −13,983−61.0% | Reduced |
| Illinois Municipal Retirement Fund | 9,309 | $1.09M | 0.02% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 9,430 | $1.10M | 0.01% | +600+6.8% | Added |
| Xponance, Inc. | 9,635 | $1.13M | 0.01% | −256−2.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 9,794 | $1.15M | 0.01% | +810+9.0% | Added |
| Ameritas Investment Partners, Inc. | 9,800 | $1.15M | 0.04% | −152−1.5% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 9,875 | $1.16M | 0.03% | +35+0.4% | Added |
| New Mexico Educational Retirement Board | 9,900 | $1.16M | 0.04% | 00.0% | Unchanged |
| Victory Capital Management Inc | 10,115 | $1.19M | 0.00% | −2,247−18.2% | Reduced |
| Laurus Investment Counsel Inc. | 7,710 | $1.20M | 0.43% | −630−7.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 11,066 | $1.21M | 0.00% | +4,823+77.3% | Added |
| State of Michigan Retirement System | 10,696 | $1.25M | 0.01% | +100+0.9% | Added |
| Paradigm Capital Management Inc | 11,353 | $1.33M | 0.07% | 00.0% | Unchanged |
| Virtu Financial LLC | 11,611 | $1.36M | 0.11% | −10,762−48.1% | Reduced |