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 |
|---|---|---|---|---|---|
| Storebrand Asset Management AS | 10,874 | $1.58M | 0.01% | +1,424+15.1% | Added |
| Teacher Retirement System of Texas | 10,794 | $1.57M | 0.01% | −167−1.5% | Reduced |
| Seeyond | 10,784 | $1.57M | 0.16% | +5,548+106.0% | Added |
| Jane Street Group, LLC | 10,659 | $1.55M | 0.00% | +5,405+102.9% | Added |
| New Mexico Educational Retirement Board | 10,500 | $1.53M | 0.06% | 00.0% | Unchanged |
| Robeco Institutional Asset Management B.V. | 10,430 | $1.52M | 0.00% | +5,811+125.8% | Added |
| Nomura Asset Management Co Ltd | 10,227 | $1.49M | 0.01% | −18,358−64.2% | Reduced |
| Creative Planning | 9,939 | $1.45M | 0.00% | +1,210+13.9% | Added |
| Brown Advisory Inc | 9,912 | $1.44M | 0.00% | +4,201+73.6% | Added |
| Eukles Asset Management | 9,885 | $1.44M | 0.78% | −450−4.4% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 9,862 | $1.44M | 0.33% | +9,862 | New |
| Cardinal Capital Management | 9,771 | $1.42M | 0.29% | +824+9.2% | Added |
| NN Investment Partners Holdings N.V. | 9,759 | $1.42M | 0.01% | +9,759 | New |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 9,715 | $1.41M | 0.01% | −2,600−21.1% | Reduced |
| Xponance, Inc. | 9,336 | $1.36M | 0.02% | −109−1.2% | Reduced |
| Diversified Trust Co | 9,312 | $1.35M | 0.05% | +5,141+123.3% | Added |
| Birchview Capital, LP | 9,280 | $1.35M | 0.97% | +1,280+16.0% | Added |
| Guggenheim Capital LLC | 9,218 | $1.34M | 0.01% | +1,437+18.5% | Added |
| Assetmark, Inc | 9,185 | $1.34M | 0.01% | +2,671+41.0% | Added |
| Victory Capital Management Inc | 11,668 | $1.32M | 0.00% | −10,687−47.8% | Reduced |
| CWM Advisors, LLC | 9,026 | $1.31M | 0.15% | +1,104+13.9% | Added |
| Utah Retirement Systems | 8,921 | $1.30M | 0.02% | −100−1.1% | Reduced |
| Gulf International Bank (UK) Ltd | 8,855 | $1.29M | 0.02% | 00.0% | Unchanged |
| American Century Companies Inc | 8,799 | $1.28M | 0.00% | +194+2.3% | Added |
| PEAK6 Investments LLC | 8,572 | $1.25M | 0.04% | +6,752+371.0% | Added |
| Northwestern Mutual Investment Management Company, LLC | 8,438 | $1.23M | 0.03% | +16+0.2% | Added |
| Terry L. Blaker | 7,891 | $1.15M | 0.09% | −379−4.6% | Reduced |
| Magnetar Financial LLC | 7,866 | $1.15M | 0.01% | +6,476+465.9% | Added |
| Boothbay Fund Management, LLC | 7,838 | $1.14M | 0.04% | +6,786+645.1% | Added |
| Capitolis Advisors LLC | 7,761 | $1.13M | 0.06% | −144,614−94.9% | Reduced |
| Kornitzer Capital Management Inc | 7,720 | $1.12M | 0.02% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 7,678 | $1.12M | 0.00% | −2,444−24.1% | Reduced |
| Point72 Hong Kong Ltd | 7,642 | $1.11M | 0.10% | +7,642 | New |
| Arcadia Investment Management Corp | 7,613 | $1.11M | 0.21% | −5,597−42.4% | Reduced |
| IFM Investors Pty Ltd | 7,543 | $1.10M | 0.02% | +907+13.7% | Added |
| Duality Advisers, LP | 7,547 | $1.10M | 0.12% | +7,547 | New |
| Public Employees Retirement Association of Colorado | 7,537 | $1.10M | 0.00% | 00.0% | Unchanged |
| Shay Capital LLC | 7,500 | $1.09M | 0.39% | +7,500 | New |
| SG Americas Securities, LLC | 7,272 | $1.06M | 0.01% | +3,979+120.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,208 | $1.05M | 0.01% | +783+12.2% | Added |
| The PNC Financial Services Group, Inc. | 7,183 | $1.05M | 0.00% | −2,805−28.1% | Reduced |
| Bokf, NA | 6,856 | $997.0K | 0.02% | +6,856 | New |
| Teachers Retirement System of the State of Kentucky | 6,826 | $993.0K | 0.01% | −1,921−22.0% | Reduced |
| CenterBook Partners LP | 6,795 | $989.0K | 0.35% | +3,995+142.7% | Added |
| Brinker Capital Investments, LLC | 6,758 | $984.0K | 0.02% | −482−6.7% | Reduced |
| Advisory Services Network, LLC | 6,744 | $982.0K | 0.03% | +5,745+575.1% | Added |
| Tributary Capital Management, LLC | 6,730 | $979.0K | 0.08% | −1,170−14.8% | Reduced |
| Tower Research Capital LLC (TRC) | 6,586 | $959.0K | 0.01% | +2,587+64.7% | Added |
| Private Advisor Group, LLC | 6,117 | $890.0K | 0.01% | +1,379+29.1% | Added |
| Allstate Corp | 6,080 | $885.0K | 0.02% | −4,706−43.6% | Reduced |
| FORA Capital, LLC | 5,615 | $873.0K | 0.16% | +3,767+203.8% | Added |
| Oak Thistle LLC | 5,903 | $859.0K | 0.45% | +4,122+231.4% | Added |
| Janney Montgomery Scott LLC | 5,866 | $854.0K | 0.00% | −72−1.2% | Reduced |
| Truist Financial Corp | 5,638 | $821.0K | 0.00% | −317−5.3% | Reduced |
| Nissay Asset Management Corp | 5,616 | $817.0K | 0.01% | +103+1.9% | Added |
| Virtu Financial LLC | 5,341 | $777.0K | 0.06% | +5,341 | New |
| OPSEU Pension Plan Trust Fund | 5,220 | $775.0K | 0.18% | +199+4.0% | Added |
| Macquarie Group Ltd | 5,142 | $749.0K | 0.00% | −477,860−98.9% | Reduced |
| ProShare Advisors LLC | 5,056 | $735.0K | 0.00% | −807−13.8% | Reduced |
| Crossmark Global Holdings, Inc. | 5,026 | $732.0K | 0.02% | +240+5.0% | Added |
| Boulder Hill Capital Management LP | 4,900 | $713.0K | 0.38% | +4,900 | New |
| Paloma Partners Management Co | 4,887 | $711.0K | 0.05% | +2,557+109.7% | Added |
| Fiera Capital Corp | 4,854 | $706.0K | 0.00% | −965−16.6% | Reduced |
| MML Investors Services, LLC | 4,816 | $701.0K | 0.00% | −806−14.3% | Reduced |
| Aigen Investment Management, LP | 4,778 | $695.0K | 0.12% | +4,778 | New |
| USS Investment Management Ltd | 4,686 | $682.0K | 0.01% | −6,909−59.6% | Reduced |
| Versor Investments LP | 4,623 | $673.0K | 0.03% | +4,623 | New |
| Securian Asset Management, Inc | 4,543 | $661.0K | 0.01% | 00.0% | Unchanged |
| Westpac Banking Corp | 4,525 | $658.6K | 0.01% | +573+14.5% | Added |
| Standard Life Aberdeen plc | 4,174 | $622.0K | 0.00% | −106−2.5% | Reduced |
| Commerce Bank | 4,219 | $614.0K | 0.00% | +1,330+46.0% | Added |
| Echo Street Capital Management LLC | 4,199 | $611.0K | 0.00% | +2,985+245.9% | Added |
| Knowledge Leaders Capital, LLC | 4,185 | $609.0K | 0.44% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 4,152 | $604.0K | 0.00% | −11,893−74.1% | Reduced |
| Fayez Sarofim & Co | 3,933 | $572.0K | 0.00% | −350,555−98.9% | Reduced |
| Nordea Investment Management AB | 3,782 | $567.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 3,776 | $549.0K | 0.00% | −487−11.4% | Reduced |
| Maryland State Retirement & Pension System | 3,736 | $544.0K | 0.01% | 00.0% | Unchanged |
| Institutional & Family Asset Management, LLC | 3,650 | $531.0K | 0.08% | 00.0% | Unchanged |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 3,642 | $530.0K | 0.01% | −12−0.3% | Reduced |
| Oxford Financial Group Ltd | 3,642 | $530.0K | 0.07% | 00.0% | Unchanged |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 3,600 | $523.9K | 0.24% | +1,800+100.0% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 3,565 | $519.0K | 0.03% | −60−1.7% | Reduced |
| Stifel Financial Corp | 3,333 | $485.0K | 0.00% | −4,378−56.8% | Reduced |
| Brown Advisory Securities, LLC | 3,325 | $484.0K | 0.28% | −3,500−51.3% | Reduced |
| Verus Capital Partners, LLC | 3,676 | $475.0K | 0.07% | +3,676 | New |
| Harbor Capital Advisors, Inc. | 3,186 | $464.0K | 0.22% | −466−12.8% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 3,177 | $462.0K | 0.00% | −365−10.3% | Reduced |
| Pinebridge Investments, L.P. | 3,061 | $445.0K | 0.00% | +3,061 | New |
| DAFNA Capital Management LLC | 3,000 | $437.0K | 0.11% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 2,968 | $432.0K | 0.07% | +1,674+129.4% | Added |
| Campbell & CO Investment Adviser LLC | 2,917 | $425.0K | 0.11% | +2,917 | New |
| Sigma Planning Corp | 2,900 | $422.0K | 0.01% | −5−0.2% | Reduced |
| Eqis Capital Management, Inc. | 2,889 | $420.0K | 0.04% | +748+34.9% | Added |
| Parametrica Management Ltd | 2,884 | $420.0K | 0.31% | +2,884 | New |
| Pendal Group Limited | 2,817 | $411.0K | 0.00% | +2,817 | New |
| Silvercrest Asset Management Group LLC | 2,799 | $407.0K | 0.00% | +966+52.7% | Added |
| Bessemer Group Inc | 2,719 | $396.0K | 0.00% | +729+36.6% | Added |
| Guardian Capital LP | 2,708 | $394.0K | 0.01% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 2,693 | $392.0K | 0.00% | −465−14.7% | Reduced |