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 2024
Institutional positions in Masimo Corp as of Dec 31, 2024. 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
- 366
- +12 vs. Q3 2024
- Shares held
- 51.4M
- +1.55M (+3.1%) vs. Q3 2024
- Total value
- $8.50B
- +$1.86B (+28.0%) vs. Q3 2024
- New holders
- 62
- 117 more added
- Sold out
- 50
- 119 more reduced
8 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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 2024
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| New York State Common Retirement Fund | 24,163 | $3.99M | 0.01% | −2,000−7.6% | Reduced |
| Mutual of America Capital Management LLC | 23,474 | $3.88M | 0.04% | −391−1.6% | Reduced |
| Advisors Asset Management, Inc. | 22,974 | $3.80M | 0.07% | +8,758+61.6% | Added |
| Amalgamated Bank | 21,304 | $3.52M | 0.03% | −90.0% | Reduced |
| Janus Henderson Group PLC | 21,000 | $3.47M | 0.00% | −800−3.7% | Reduced |
| Fred Alger Management, LLC | 20,430 | $3.38M | 0.02% | +15,971+358.2% | Added |
| Wells Fargo & Company | 19,743 | $3.26M | 0.00% | −31,855−61.7% | Reduced |
| Russell Investments Group, Ltd. | 19,703 | $3.26M | 0.00% | +19,185+3,703.7% | Added |
| Nordea Investment Management AB | 19,182 | $3.21M | 0.00% | +142+0.7% | Added |
| KBC Group NV | 19,122 | $3.16M | 0.01% | +17,842+1,393.9% | Added |
| Treasurer of the State of North Carolina | 19,085 | $3.15M | 0.01% | +370+2.0% | Added |
| Cardinal Capital Management | 18,720 | $3.09M | 0.49% | +203+1.1% | Added |
| Abn Amro Investment Solutions | 18,473 | $3.05M | 0.06% | −564−3.0% | Reduced |
| Storebrand Asset Management AS | 17,732 | $2.93M | 0.01% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 16,938 | $2.80M | 0.01% | −8,203−32.6% | Reduced |
| Teacher Retirement System of Texas | 16,934 | $2.80M | 0.01% | −501−2.9% | Reduced |
| State of New Jersey Common Pension Fund D | 16,736 | $2.77M | 0.01% | 00.0% | Unchanged |
| Calamos Advisors LLC | 16,280 | $2.69M | 0.01% | +16,280 | New |
| Yousif Capital Management, LLC | 16,155 | $2.67M | 0.03% | −582−3.5% | Reduced |
| Canada Pension Plan Investment Board | 16,100 | $2.66M | 0.00% | −88,200−84.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 15,573 | $2.57M | 0.03% | +15,573 | New |
| Brown Advisory Inc | 15,521 | $2.57M | 0.00% | −1,930−11.1% | Reduced |
| STRS Ohio | 15,400 | $2.55M | 0.01% | +2,612+20.4% | Added |
| State of Tennessee, Treasury Department | 15,300 | $2.53M | 0.01% | −431−2.7% | Reduced |
| Public Employees Retirement System of Ohio | 15,284 | $2.53M | 0.01% | −692−4.3% | Reduced |
| Birchview Capital, LP | 15,280 | $2.53M | 2.06% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 14,876 | $2.46M | 0.00% | +715+5.0% | Added |
| Teachers Retirement System of the State of Kentucky | 14,771 | $2.44M | 0.02% | −680−4.4% | Reduced |
| Creative Planning | 14,197 | $2.35M | 0.00% | −503−3.4% | Reduced |
| Empower Advisory Group, LLC | 14,060 | $2.32M | 0.01% | −60.0% | Reduced |
| Bryn Mawr Trust Co | 13,717 | $2.27M | 0.04% | −35,347−72.0% | Reduced |
| Lockerman Financial Group, Inc. | 13,600 | $2.25M | 3.83% | 00.0% | Unchanged |
| Marshall Wace, LLP | 13,289 | $2.20M | 0.00% | +13,289 | New |
| Arizona State Retirement System | 13,183 | $2.18M | 0.01% | +166+1.3% | Added |
| Handelsbanken Fonder AB | 12,930 | $2.14M | 0.01% | −300−2.3% | Reduced |
| American Century Companies Inc | 12,659 | $2.09M | 0.00% | +1,374+12.2% | Added |
| Voya Investment Management LLC | 12,559 | $2.08M | 0.00% | −499−3.8% | Reduced |
| Louisiana State Employees Retirement System | 12,300 | $2.03M | 0.04% | +100+0.8% | Added |
| Bridgewater Associates, LP | 11,391 | $1.88M | 0.01% | +3,774+49.5% | Added |
| Paradigm Capital Management Inc | 11,353 | $1.88M | 0.09% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 11,305 | $1.87M | 0.00% | −1,980−14.9% | Reduced |
| Jefferies Financial Group Inc. | 10,657 | $1.76M | 0.02% | +10,657 | New |
| Exchange Traded Concepts, LLC | 10,552 | $1.74M | 0.04% | −1,998−15.9% | Reduced |
| State of Michigan Retirement System | 10,496 | $1.73M | 0.01% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 10,456 | $1.73M | 0.00% | +83+0.8% | Added |
| New Mexico Educational Retirement Board | 9,900 | $1.64M | 0.05% | 00.0% | Unchanged |
| Northwestern Mutual Investment Management Company, LLC | 9,876 | $1.63M | 0.04% | +80+0.8% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 9,815 | $1.62M | 0.01% | +82+0.8% | Added |
| Lecap Asset Management Ltd | 9,720 | $1.61M | 0.44% | +9,720 | New |
| NEOS Investment Management LLC | 9,580 | $1.58M | 0.04% | −5,030−34.4% | Reduced |
| Tema ETFs LLC | 9,580 | $1.58M | 0.66% | +9,580 | New |
| KLP Kapitalforvaltning AS | 9,400 | $1.55M | 0.01% | +9,400 | New |
| Illinois Municipal Retirement Fund | 9,309 | $1.54M | 0.02% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 9,079 | $1.50M | 0.03% | +113+1.3% | Added |
| Victory Capital Management Inc | 9,004 | $1.49M | 0.00% | −236−2.6% | Reduced |
| Ameritas Investment Partners, Inc. | 8,901 | $1.47M | 0.05% | −158−1.7% | Reduced |
| De Burlo Group Inc | 8,552 | $1.41M | 0.19% | −200−2.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,195 | $1.35M | 0.00% | +318+4.0% | Added |
| TownSquare Capital, LLC | 8,126 | $1.34M | 0.02% | +8,126 | New |
| HRT Financial LP | 8,033 | $1.33M | 0.01% | −39,976−83.3% | Reduced |
| Verition Fund Management LLC | 7,481 | $1.24M | 0.01% | +5,641+306.6% | Added |
| Xponance, Inc. | 7,025 | $1.16M | 0.01% | +299+4.4% | Added |
| Guggenheim Capital LLC | 7,021 | $1.16M | 0.01% | +2,674+61.5% | Added |
| BNP Paribas Arbitrage, SA | 7,020 | $1.16M | 0.00% | −12,962−64.9% | Reduced |
| HighTower Advisors, LLC | 6,813 | $1.13M | 0.00% | +2,003+41.6% | Added |
| Pacer Advisors, Inc. | 6,452 | $1.07M | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 6,392 | $1.06M | 0.00% | +608+10.5% | Added |
| Navellier & Associates Inc | 6,310 | $1.04M | 0.13% | +6,310 | New |
| Deutsche Bank AG | 6,217 | $1.03M | 0.00% | +526+9.2% | Added |
| Bank of Montreal | 6,111 | $1.01M | 0.00% | −2,953−32.6% | Reduced |
| Polar Capital Holdings Plc | 6,023 | $995.6K | 0.01% | +6,023 | New |
| Nomura Holdings Inc | 5,897 | $974.8K | 0.01% | −41,687−87.6% | Reduced |
| JustInvest LLC | 5,692 | $940.9K | 0.01% | +85+1.5% | Added |
| Eukles Asset Management | 5,670 | $937.3K | 0.40% | −1,334−19.0% | Reduced |
| Landscape Capital Management, L.L.C. | 5,586 | $923.4K | 0.10% | +5,586 | New |
| Pathstone Holdings, LLC | 5,520 | $912.5K | 0.00% | −52−0.9% | Reduced |
| HSBC Holdings PLC | 5,494 | $912.1K | 0.00% | +5,494 | New |
| B.O.S.S. Retirement Advisors, LLC | 5,332 | $881.4K | 0.25% | +5,332 | New |
| State of Alaska, Department of Revenue | 5,069 | $837.0K | 0.01% | −70−1.4% | Reduced |
| Nisa Investment Advisors, LLC | 5,052 | $835.1K | 0.00% | +5,022+16,740.0% | Added |
| Quantitative Investment Management, LLC | 4,942 | $816.0K | 0.06% | −3,698−42.8% | Reduced |
| Commerce Bank | 4,900 | $810.0K | 0.00% | +679+16.1% | Added |
| Public Employees Retirement Association of Colorado | 4,841 | $800.0K | 0.00% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 4,778 | $789.8K | 0.01% | +97+2.1% | Added |
| Orion Portfolio Solutions, LLC | 4,778 | $789.8K | 0.01% | +97+2.1% | Added |
| The PNC Financial Services Group, Inc. | 4,685 | $774.4K | 0.00% | +840+21.8% | Added |
| Oppenheimer Asset Management Inc. | 4,568 | $755.1K | 0.01% | +984+27.5% | Added |
| Two Sigma Advisers, LP | 4,500 | $743.9K | 0.00% | −214,100−97.9% | Reduced |
| Winton Group Ltd | 4,410 | $729.0K | 0.05% | −3,302−42.8% | Reduced |
| LPL Financial LLC | 4,310 | $712.4K | 0.00% | +803+22.9% | Added |
| US Bancorp | 4,280 | $707.5K | 0.00% | −90−2.1% | Reduced |
| Private Advisor Group, LLC | 4,260 | $704.2K | 0.00% | +105+2.5% | Added |
| Steel Peak Wealth Management LLC | 4,105 | $678.6K | 0.03% | −169−4.0% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 3,924 | $671.9K | 0.00% | −2,529−39.2% | Reduced |
| Quantinno Capital Management LP | 3,990 | $659.5K | 0.01% | +1,880+89.1% | Added |
| Schonfeld Strategic Advisors LLC | 3,980 | $657.9K | 0.00% | −4,811−54.7% | Reduced |
| New Age Alpha Advisors, LLC | 3,971 | $656.4K | 0.03% | +3,971 | New |
| Harvest Fund Management Co., Ltd | 3,891 | $656.0K | 0.03% | +3,005+339.2% | Added |
| RFG Advisory, LLC | 3,905 | $645.4K | 0.02% | +3,905 | New |
| Kovitz Investment Group Partners, LLC | 3,892 | $643.3K | 0.00% | −10−0.3% | Reduced |