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, Q1 2022
Institutional positions in Masimo Corp as of Mar 31, 2022. 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
- 457
- −57 vs. Q4 2021
- Shares held
- 45.4M
- −981.6K (−2.1%) vs. Q4 2021
- Total value
- $6.61B
- −$6.96B (−51.3%) vs. Q4 2021
- New holders
- 73
- 180 more added
- Sold out
- 130
- 136 more reduced
6 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Eaton Vance Management | 53,030 | $7.72M | 0.01% | +11,114+26.5% | Added |
| E. Ohman J:or Asset Management AB | 51,987 | $7.57M | 0.25% | +49,187+1,756.7% | Added |
| Bryn Mawr Trust Co | 51,941 | $7.56M | 0.30% | −1,345−2.5% | Reduced |
| HSBC Holdings PLC | 48,698 | $7.17M | 0.01% | +13,671+39.0% | Added |
| Allspring Global Investments Holdings, LLC | 49,088 | $7.14M | 0.01% | +46,876+2,119.2% | Added |
| Thrivent Financial for Lutherans | 48,540 | $7.07M | 0.01% | +10,120+26.3% | Added |
| Mutual of America Capital Management LLC | 46,326 | $6.74M | 0.07% | +897+2.0% | Added |
| Capital Fund Management S.A. | 45,199 | $6.58M | 0.18% | +45,199 | New |
| PDT Partners, LLC | 45,097 | $6.56M | 0.56% | +23,494+108.8% | Added |
| Handelsinvest Investeringsforvaltning | 45,000 | $6.55M | 0.79% | +5,000+12.5% | Added |
| State of Tennessee, Treasury Department | 42,823 | $6.23M | 0.02% | 00.0% | Unchanged |
| Brewin Dolphin Wealth Management Ltd | 41,826 | $6.09M | 0.68% | +409+1.0% | Added |
| DF Dent & Co Inc | 41,681 | $6.07M | 0.07% | −262,211−86.3% | Reduced |
| Trexquant Investment LP | 41,523 | $6.04M | 0.28% | +37,799+1,015.0% | Added |
| Paradigm Capital Management Inc | 41,453 | $6.03M | 0.33% | +3,000+7.8% | Added |
| NS Partners Ltd | 39,995 | $5.82M | 0.31% | −987−2.4% | Reduced |
| State of Wisconsin Investment Board | 39,233 | $5.71M | 0.01% | +12,562+47.1% | Added |
| SEI Investments Co | 39,132 | $5.66M | 0.01% | −3,387−8.0% | Reduced |
| Prudential Financial Inc | 38,548 | $5.61M | 0.01% | +25,826+203.0% | Added |
| Engineers Gate Manager LP | 38,415 | $5.59M | 0.22% | +38,415 | New |
| Amalgamated Bank | 38,093 | $5.54M | 0.04% | −460−1.2% | Reduced |
| Amalgamated Financial Corp. | 38,093 | $5.54M | 0.04% | +38,093 | New |
| Quantbot Technologies LP | 37,776 | $5.50M | 0.48% | +34,128+935.5% | Added |
| Brown Capital Management LLC | 37,083 | $5.40M | 0.05% | +3,017+8.9% | Added |
| Algert Global LLC | 36,837 | $5.36M | 0.35% | +31,847+638.2% | Added |
| Texas Permanent School Fund | 36,018 | $5.24M | 0.07% | −1,357−3.6% | Reduced |
| Mackenzie Financial Corp | 36,011 | $5.24M | 0.01% | +27,045+301.6% | Added |
| State of New Jersey Common Pension Fund D | 35,920 | $5.23M | 0.02% | +6,072+20.3% | Added |
| Holocene Advisors, LP | 35,781 | $5.21M | 0.03% | +35,781 | New |
| Brookfield Asset Management Inc. | 35,498 | $5.17M | 0.02% | +22,494+173.0% | Added |
| Banco Santander, S.A. | 34,733 | $5.05M | 0.05% | −927−2.6% | Reduced |
| MetLife Investment Management | 34,463 | $5.02M | 0.03% | +9,842+40.0% | Added |
| Gabelli Funds LLC | 33,700 | $4.91M | 0.03% | −300−0.9% | Reduced |
| Voya Investment Management LLC | 33,097 | $4.82M | 0.01% | −636−1.9% | Reduced |
| Barclays PLC | 32,468 | $4.72M | 0.00% | −16,822−34.1% | Reduced |
| Bell Asset Management Ltd | 32,225 | $4.69M | 0.81% | +32,225 | New |
| Jump Financial, LLC | 31,723 | $4.62M | 0.20% | +31,723 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 31,500 | $4.58M | 0.02% | +31,500 | New |
| Envestnet Asset Management Inc | 30,253 | $4.40M | 0.00% | −7,312−19.5% | Reduced |
| Treasurer of the State of North Carolina | 29,561 | $4.30M | 0.02% | +10,720+56.9% | Added |
| First Trust Advisors LP | 29,338 | $4.27M | 0.00% | −44,273−60.1% | Reduced |
| Russell Investments Group, Ltd. | 26,699 | $4.02M | 0.01% | +7,097+36.2% | Added |
| Yousif Capital Management, LLC | 27,264 | $3.97M | 0.04% | +1,076+4.1% | Added |
| Clearline Capital LP | 27,036 | $3.94M | 0.53% | +27,036 | New |
| Public Employees Retirement System of Ohio | 26,678 | $3.88M | 0.01% | −10,440−28.1% | Reduced |
| State of Alaska, Department of Revenue | 26,507 | $3.86M | 0.04% | −7,761−22.6% | Reduced |
| HRT Financial LP | 26,423 | $3.85M | 0.03% | +26,423 | New |
| Illinois Municipal Retirement Fund | 26,334 | $3.83M | 0.11% | −12,676−32.5% | Reduced |
| LPL Financial LLC | 25,861 | $3.76M | 0.00% | −4,553−15.0% | Reduced |
| Putnam Investments LLC | 25,304 | $3.68M | 0.01% | +25,304 | New |
| Carmignac Gestion | 23,198 | $3.45M | 0.06% | −948−3.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 22,412 | $3.26M | 0.02% | +22,412 | New |
| Twin Tree Management, LP | 22,343 | $3.25M | 0.06% | +22,343 | New |
| Comerica Bank | 23,749 | $3.23M | 0.02% | +786+3.4% | Added |
| ExodusPoint Capital Management, LP | 21,837 | $3.18M | 0.05% | +21,837 | New |
| Occudo Quantitative Strategies LP | 21,694 | $3.16M | 0.26% | +20,739+2,171.6% | Added |
| Royal Bank of Canada | 21,655 | $3.15M | 0.00% | −20,690−48.9% | Reduced |
| LRT Capital Management, LLC | 21,541 | $3.13M | 2.01% | +21,541 | New |
| Walleye Capital LLC | 18,965 | $2.76M | 0.08% | +17,885+1,656.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 18,619 | $2.71M | 0.03% | +1,775+10.5% | Added |
| Pictet Asset Management SA | 18,580 | $2.70M | 0.00% | +470+2.6% | Added |
| Ensign Peak Advisors, Inc | 18,418 | $2.68M | 0.01% | −5,132−21.8% | Reduced |
| Federated Hermes, Inc. | 18,215 | $2.65M | 0.01% | +226+1.3% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 17,896 | $2.60M | 0.01% | −457−2.5% | Reduced |
| Norges Bank | 16,543 | $2.41M | 0.00% | −406,853−96.1% | Reduced |
| Alberta Investment Management Corp | 16,304 | $2.37M | 0.01% | +7,604+87.4% | Added |
| Oregon Public Employees Retirement Fund | 16,292 | $2.37M | 0.02% | −107−0.7% | Reduced |
| Royal London Asset Management Ltd | 16,284 | $2.37M | 0.01% | +1,839+12.7% | Added |
| South Dakota Investment Council | 16,227 | $2.36M | 0.05% | −428−2.6% | Reduced |
| TD Asset Management Inc | 16,105 | $2.34M | 0.00% | −183,280−91.9% | Reduced |
| Ascent Wealth Partners, LLC | 15,931 | $2.32M | 0.43% | +1,286+8.8% | Added |
| Lockerman Financial Group, Inc. | 15,900 | $2.31M | 6.25% | 00.0% | Unchanged |
| Twinbeech Capital LP | 15,779 | $2.30M | 0.10% | +15,779 | New |
| Advisor Group Holdings, Inc. | 6,240 | $2.23M | 0.00% | −2,878−31.6% | Reduced |
| Personal Capital Advisors Corp | 15,081 | $2.19M | 0.01% | −60.0% | Reduced |
| Unigestion Holding SA | 15,032 | $2.19M | 0.09% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 14,874 | $2.17M | 0.04% | +4,202+39.4% | Added |
| Arizona State Retirement System | 14,603 | $2.13M | 0.02% | +362+2.5% | Added |
| North Star Asset Management Inc | 14,330 | $2.09M | 0.11% | −7,106−33.1% | Reduced |
| STRS Ohio | 14,094 | $2.05M | 0.01% | +11,788+511.2% | Added |
| Quadrature Capital Ltd | 13,897 | $2.02M | 0.08% | +13,897 | New |
| DekaBank Deutsche Girozentrale | 12,925 | $1.98M | 0.00% | +5,613+76.8% | Added |
| Ameritas Investment Partners, Inc. | 13,584 | $1.98M | 0.07% | 00.0% | Unchanged |
| Employees Retirement System of Texas | 13,400 | $1.95M | 0.02% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 13,373 | $1.95M | 0.05% | +13,373 | New |
| Gotham Asset Management, LLC | 13,320 | $1.94M | 0.06% | +11,329+569.0% | Added |
| Aviva PLC | 13,196 | $1.92M | 0.01% | −14,184−51.8% | Reduced |
| Caisse de Depot Et Placement du Quebec | 13,100 | $1.91M | 0.00% | −15,100−53.5% | Reduced |
| Security Asset Management | 13,104 | $1.91M | 0.82% | −537−3.9% | Reduced |
| Banque Pictet & Cie SA | 13,086 | $1.91M | 0.01% | +3,054+30.4% | Added |
| Franklin Resources Inc | 12,904 | $1.88M | 0.00% | +1,043+8.8% | Added |
| State of Michigan Retirement System | 12,896 | $1.88M | 0.01% | +30+0.2% | Added |
| De Burlo Group Inc | 12,852 | $1.87M | 0.35% | −500−3.7% | Reduced |
| Candriam Luxembourg S.C.A. | 12,841 | $1.87M | 0.01% | +1,500+13.2% | Added |
| Louisiana State Employees Retirement System | 13,300 | $1.81M | 0.04% | +200+1.5% | Added |
| Vontobel Holding Ltd. | 11,421 | $1.77M | 0.02% | −1,786−13.5% | Reduced |
| Moore Capital Management, LP | 11,826 | $1.72M | 0.06% | −78,005−86.8% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 11,628 | $1.70M | 0.01% | −1,793−13.4% | Reduced |
| Graham Capital Management, L.P. | 11,392 | $1.66M | 0.07% | +10,105+785.2% | Added |
| AlphaCrest Capital Management LLC | 11,188 | $1.63M | 0.09% | +1,582+16.5% | Added |