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 2021
Institutional positions in Masimo Corp as of Dec 31, 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
- 520
- +53 vs. Q3 2021
- Shares held
- 46.4M
- +141.5K (+0.3%) vs. Q3 2021
- Total value
- $13.6B
- +$1.05B (+8.4%) vs. Q3 2021
- New holders
- 95
- 182 more added
- Sold out
- 42
- 156 more reduced
8 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Xponance, Inc. | 9,445 | $2.77M | 0.04% | +42+0.4% | Added |
| HighTower Trust Services, LTA | 9,398 | $2.75M | 0.27% | +9,398 | New |
| Advisor Group Holdings, Inc. | 9,118 | $2.67M | 0.01% | −164−1.8% | Reduced |
| Utah Retirement Systems | 9,021 | $2.64M | 0.03% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 8,966 | $2.63M | 0.00% | −5,894−39.7% | Reduced |
| Cardinal Capital Management | 8,947 | $2.62M | 0.52% | −16−0.2% | Reduced |
| Gulf International Bank (UK) Ltd | 8,855 | $2.59M | 0.04% | −1,600−15.3% | Reduced |
| Capital Impact Advisors, LLC | 8,814 | $2.58M | 1.78% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 8,747 | $2.56M | 0.02% | +1,421+19.4% | Added |
| Creative Planning | 8,729 | $2.56M | 0.00% | +92+1.1% | Added |
| Alberta Investment Management Corp | 8,700 | $2.55M | 0.02% | 00.0% | Unchanged |
| American Century Companies Inc | 8,605 | $2.52M | 0.00% | +660+8.3% | Added |
| Northwestern Mutual Investment Management Company, LLC | 8,422 | $2.47M | 0.05% | +55+0.7% | Added |
| Azzad Asset Management Inc | 8,390 | $2.46M | 0.33% | −38−0.5% | Reduced |
| Terry L. Blaker | 8,270 | $2.42M | 0.19% | −573−6.5% | Reduced |
| Birchview Capital, LP | 8,000 | $2.34M | 1.51% | 00.0% | Unchanged |
| CWM Advisors, LLC | 7,922 | $2.32M | 0.27% | +713+9.9% | Added |
| Tributary Capital Management, LLC | 7,900 | $2.31M | 0.17% | −300−3.7% | Reduced |
| Guggenheim Capital LLC | 7,781 | $2.28M | 0.01% | −2,814−26.6% | Reduced |
| Kornitzer Capital Management Inc | 7,720 | $2.26M | 0.03% | 00.0% | Unchanged |
| Stifel Financial Corp | 7,711 | $2.26M | 0.00% | −442−5.4% | Reduced |
| Public Employees Retirement Association of Colorado | 7,537 | $2.21M | 0.01% | 00.0% | Unchanged |
| Congress Asset Management Co | 7,517 | $2.20M | 0.02% | +219+3.0% | Added |
| Brinker Capital Investments, LLC | 7,240 | $2.12M | 0.03% | −677−8.6% | Reduced |
| Pacer Advisors, Inc. | 7,206 | $2.11M | 0.02% | +163+2.3% | Added |
| DekaBank Deutsche Girozentrale | 7,312 | $2.10M | 0.01% | +1,130+18.3% | Added |
| Brown Advisory Securities, LLC | 6,825 | $2.00M | 0.85% | 00.0% | Unchanged |
| IFM Investors Pty Ltd | 6,636 | $1.94M | 0.04% | −138−2.0% | Reduced |
| Assetmark, Inc | 6,514 | $1.91M | 0.01% | +6,009+1,189.9% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,425 | $1.88M | 0.01% | −2,966−31.6% | Reduced |
| Renaissance Technologies LLC | 6,200 | $1.81M | 0.00% | +6,200 | New |
| American Portfolios Advisors | 6,103 | $1.79M | 0.06% | +338+5.9% | Added |
| Truist Financial Corp | 5,955 | $1.74M | 0.00% | +237+4.1% | Added |
| Janney Montgomery Scott LLC | 5,938 | $1.74M | 0.01% | +101+1.7% | Added |
| ProShare Advisors LLC | 5,863 | $1.72M | 0.00% | +1,168+24.9% | Added |
| Fiera Capital Corp | 5,819 | $1.70M | 0.00% | +2,093+56.2% | Added |
| Acadian Asset Management LLC | 5,757 | $1.68M | 0.01% | +5,757 | New |
| Brown Advisory Inc | 5,711 | $1.67M | 0.00% | +647+12.8% | Added |
| MML Investors Services, LLC | 5,622 | $1.65M | 0.01% | +370+7.0% | Added |
| Nissay Asset Management Corp | 5,513 | $1.61M | 0.01% | +11+0.2% | Added |
| Pitcairn Co | 5,478 | $1.60M | 0.10% | −118−2.1% | Reduced |
| Seaport Global Advisors, LLC | 5,301 | $1.55M | 2.13% | +5,301 | New |
| Jane Street Group, LLC | 5,254 | $1.54M | 0.00% | +2,158+69.7% | Added |
| Seeyond | 5,236 | $1.53M | 0.14% | −4,947−48.6% | Reduced |
| Algert Global LLC | 4,990 | $1.46M | 0.18% | +4,990 | New |
| OPSEU Pension Plan Trust Fund | 5,021 | $1.43M | 0.33% | +66+1.3% | Added |
| Crossmark Global Holdings, Inc. | 4,786 | $1.40M | 0.03% | −530−10.0% | Reduced |
| Brewin Dolphin Ltd | 4,766 | $1.40M | 0.06% | −11,174−70.1% | Reduced |
| Private Advisor Group, LLC | 4,738 | $1.39M | 0.01% | −246−4.9% | Reduced |
| Robeco Institutional Asset Management B.V. | 4,619 | $1.35M | 0.00% | +1,961+73.8% | Added |
| Allianz Asset Management GmbH | 4,589 | $1.34M | 0.00% | −2,929−39.0% | Reduced |
| Sciencast Management LP | 4,777 | $1.34M | 0.24% | +4,777 | New |
| Securian Asset Management, Inc | 4,543 | $1.33M | 0.02% | 00.0% | Unchanged |
| Altman Advisors, Inc. | 5,805 | $1.26M | 0.77% | +15+0.3% | Added |
| Standard Life Aberdeen plc | 4,280 | $1.25M | 0.00% | +123+3.0% | Added |
| US Bancorp | 4,263 | $1.25M | 0.00% | +51+1.2% | Added |
| Knowledge Leaders Capital, LLC | 4,185 | $1.23M | 0.90% | +405+10.7% | Added |
| Diversified Trust Co | 4,171 | $1.22M | 0.04% | −475−10.2% | Reduced |
| HighTower Advisors, LLC | 3,995 | $1.17M | 0.00% | −7,019−63.7% | Reduced |
| Tower Research Capital LLC (TRC) | 3,999 | $1.17M | 0.02% | −1,279−24.2% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 3,974 | $1.16M | 0.00% | +146+3.8% | Added |
| Westpac Banking Corp | 3,952 | $1.16M | 0.01% | 00.0% | Unchanged |
| Nordea Investment Management AB | 3,782 | $1.13M | 0.00% | +1,303+52.6% | Added |
| Commonwealth Equity Services, LLC | 3,783 | $1.11M | 0.00% | −72−1.9% | Reduced |
| Oppenheimer & Co Inc | 3,781 | $1.11M | 0.02% | +1,994+111.6% | Added |
| Maryland State Retirement & Pension System | 3,736 | $1.09M | 0.03% | 00.0% | Unchanged |
| Trexquant Investment LP | 3,724 | $1.09M | 0.07% | +3,724 | New |
| Congress Wealth Management LLC | 3,666 | $1.07M | 0.02% | +3,666 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 3,654 | $1.07M | 0.02% | −23−0.6% | Reduced |
| Institutional & Family Asset Management, LLC | 3,650 | $1.07M | 0.17% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 3,652 | $1.07M | 0.39% | +3,652 | New |
| Quantbot Technologies LP | 3,648 | $1.07M | 0.09% | +3,648 | New |
| Oxford Financial Group Ltd | 3,642 | $1.07M | 0.12% | 00.0% | Unchanged |
| Meiji Yasuda Asset Management Co Ltd. | 3,625 | $1.06M | 0.07% | +90+2.5% | Added |
| Cambridge Investment Research Advisors, Inc. | 3,542 | $1.04M | 0.00% | +47+1.3% | Added |
| Doliver Advisors, LP | 4,413 | $981.0K | 0.31% | −612−12.2% | Reduced |
| SG Americas Securities, LLC | 3,293 | $964.0K | 0.01% | −3,148−48.9% | Reduced |
| Qtron Investments LLC | 3,241 | $949.0K | 0.21% | +775+31.4% | Added |
| Banque Cantonale Vaudoise | 3,236 | $948.0K | 0.04% | +2,236+223.6% | Added |
| Level Four Advisory Services, LLC | 3,202 | $937.0K | 0.07% | +2,081+185.6% | Added |
| Daiwa Securities Group Inc. | 3,158 | $925.0K | 0.01% | +545+20.9% | Added |
| National Bank of Canada | 3,236 | $907.0K | 0.00% | +3,236 | New |
| DAFNA Capital Management LLC | 3,000 | $878.0K | 0.22% | 00.0% | Unchanged |
| Crown Advisors Management, Inc. | 3,000 | $878.0K | 0.57% | 00.0% | Unchanged |
| Profund Advisors LLC | 2,947 | $863.0K | 0.03% | −152−4.9% | Reduced |
| Sigma Planning Corp | 2,905 | $851.0K | 0.02% | +528+22.2% | Added |
| Commerce Bank | 2,889 | $846.0K | 0.01% | +26+0.9% | Added |
| CenterBook Partners LP | 2,800 | $820.0K | 0.48% | +2,800 | New |
| E. Ohman J:or Asset Management AB | 2,800 | $819.8K | 0.02% | +2,800 | New |
| Guardian Capital LP | 2,708 | $793.0K | 0.02% | −270−9.1% | Reduced |
| Shelton Capital Management | 2,684 | $786.0K | 0.03% | −174−6.1% | Reduced |
| KCM Investment Advisors LLC | 2,415 | $707.0K | 0.02% | −20−0.8% | Reduced |
| Moneta Group Investment Advisors LLC | 2,411 | $706.0K | 0.03% | −42−1.7% | Reduced |
| XTX Topco Ltd | 2,409 | $705.0K | 0.40% | +2,409 | New |
| Fosun International Ltd | 2,400 | $703.0K | 0.04% | 00.0% | Unchanged |
| Paloma Partners Management Co | 2,330 | $682.0K | 0.02% | +2,330 | New |
| Raymond James Trust N.A. | 2,310 | $676.0K | 0.02% | −203−8.1% | Reduced |
| Intrust Bank NA | 2,307 | $675.0K | 0.08% | −158−6.4% | Reduced |
| STRS Ohio | 2,306 | $675.0K | 0.00% | −36−1.5% | Reduced |
| CIBC Asset Management Inc | 2,280 | $668.0K | 0.00% | +31+1.4% | Added |