Masimo Corp
MASIDelisted- Industry
- Electromedical & Electrotherapeutic Apparatus
- SEC CIK
- 0000937556
Masimo Corp was delisted in 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, Q3 2022
Institutional positions in Masimo Corp as of Sep 30, 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
- 418
- +9 vs. Q2 2022
- Shares held
- 46.3M
- +2.09M (+4.7%) vs. Q2 2022
- Total value
- $6.54B
- +$745.4M (+12.9%) vs. Q2 2022
- New holders
- 60
- 109 more added
- Sold out
- 51
- 183 more reduced
8 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2022: 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 | $7.32B |
| Q3 2025 | 358 | $8.31B |
| Q2 2025 | 379 | $9.69B |
| Q1 2025 | 393 | $9.03B |
| Q4 2024 | 366 | $8.51B |
| Q3 2024 | 362 | $6.74B |
| Q2 2024 | 352 | $6.26B |
| Q1 2024 | 339 | $7.79B |
| Q4 2023 | 342 | $6.00B |
| Q3 2023 | 357 | $4.19B |
| Q2 2023 | 415 | $7.57B |
| Q1 2023 | 428 | $9.43B |
| Q4 2022 | 405 | $6.58B |
| Q3 2022 | 419 | $6.55B |
| Q2 2022 | 417 | $5.81B |
| Q1 2022 | 457 | $6.69B |
| Q4 2021 | 520 | $13.6B |
| Q3 2021 | 475 | $12.5B |
| Q2 2021 | 459 | $11.1B |
| Q1 2021 | 481 | $10.3B |
Institutions, Q3 2022
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,414,824 | $764.4M | 0.03% | −360,404−6.2% | Reduced |
| Politan Capital Management LP | 4,648,869 | $656.2M | 39.51% | +4,648,869 | New |
| Vanguard Group Inc | 4,628,062 | $653.3M | 0.02% | −290,830−5.9% | Reduced |
| FMR LLC | 3,857,290 | $544.5M | 0.06% | +1,752,351+83.2% | Added |
| State Street Corp | 1,657,148 | $233.9M | 0.01% | −33,366−2.0% | Reduced |
| RTW Investments, LP | 1,439,993 | $203.3M | 4.69% | +89,000+6.6% | Added |
| Liontrust Investment Partners LLP | 1,142,100 | $161.2M | 2.58% | −57,200−4.8% | Reduced |
| Champlain Investment Partners, LLC | 934,762 | $132.0M | 0.90% | −16,980−1.8% | Reduced |
| Fundsmith LLPSuperinvestorFundsmith | 765,161 | $108.0M | 0.51% | +8,848+1.2% | Added |
| Goldman Sachs Group Inc | 728,634 | $102.9M | 0.03% | −128,030−14.9% | Reduced |
| Morgan Stanley | 695,842 | $98.2M | 0.01% | −680,782−49.5% | Reduced |
| Geode Capital Management, LLC | 671,529 | $94.7M | 0.01% | −23,481−3.4% | Reduced |
| Citigroup Inc | 623,851 | $88.1M | 0.12% | +68,808+12.4% | Added |
| Farallon Capital Management, L.L.C. | 577,000 | $81.4M | 0.50% | +382,000+195.9% | Added |
| Martin Currie Ltd | 572,333 | $80.8M | 3.44% | −20,129−3.4% | Reduced |
| Millennium Management LLC | 548,626 | $77.4M | 0.10% | −173,533−24.0% | Reduced |
| Bank of New York Mellon Corp | 542,369 | $76.6M | 0.02% | −168,146−23.7% | Reduced |
| Neuberger Berman Group LLC | 502,190 | $71.4M | 0.07% | −30,639−5.8% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 469,586 | $66.3M | 0.26% | +78,582+20.1% | Added |
| Northern Trust Corp | 467,828 | $66.0M | 0.02% | −35,694−7.1% | Reduced |
| Bank of Nova Scotia | 453,150 | $64.0M | 0.20% | +148,113+48.6% | Added |
| Barclays PLC | 404,697 | $57.1M | 0.06% | +221,990+121.5% | Added |
| Schroder Investment Management Group | 398,524 | $56.3M | 0.09% | +56,387+16.5% | Added |
| D. E. Shaw & Co., Inc. | 394,652 | $55.7M | 0.10% | −251,037−38.9% | Reduced |
| Two Sigma Advisers, LP | 393,900 | $55.6M | 0.16% | −161,900−29.1% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 382,697 | $54.0M | 0.04% | +6,038+1.6% | Added |
| JPMorgan Chase & Co | 348,713 | $49.2M | 0.01% | −9,936−2.8% | Reduced |
| Legal & General Group Plc | 343,538 | $48.5M | 0.02% | −15,700−4.4% | Reduced |
| Ensemble Capital Management, LLC | 342,926 | $48.4M | 5.45% | +6,363+1.9% | Added |
| Charles Schwab Investment Management Inc | 333,622 | $47.1M | 0.02% | −1,800−0.5% | Reduced |
| UBS Asset Management Americas Inc | 326,239 | $46.1M | 0.03% | +51,100+18.6% | Added |
| Canada Pension Plan Investment Board | 318,600 | $45.0M | 0.08% | +253,710+391.0% | Added |
| Geneva Capital Management LLC | 302,037 | $42.6M | 0.98% | +12,648+4.4% | Added |
| Assenagon Asset Management S.A. | 291,859 | $41.2M | 0.18% | −258,893−47.0% | Reduced |
| Raymond James & Associates | 283,028 | $40.0M | 0.04% | −602−0.2% | Reduced |
| First Republic Investment Management, Inc. | 278,459 | $39.3M | 0.10% | +825+0.3% | Added |
| HSBC Holdings PLC | 263,738 | $38.0M | 0.07% | +210,896+399.1% | Added |
| Obermeyer Wood Investment Counsel, LLLP | 263,499 | $37.2M | 3.01% | −3,205−1.2% | Reduced |
| Manufacturers Life Insurance Company, The | 257,172 | $36.3M | 0.03% | −17,558−6.4% | Reduced |
| Swiss National Bank | 228,514 | $32.3M | 0.02% | +1,300+0.6% | Added |
| Dimensional Fund Advisors LP | 225,287 | $31.8M | 0.01% | +11,308+5.3% | Added |
| Toronto Dominion Bank | 223,365 | $31.5M | 0.06% | +128,130+134.5% | Added |
| Handelsbanken Fonder AB | 219,430 | $31.0M | 0.21% | −5,000−2.2% | Reduced |
| National Bank of Canada | 203,400 | $28.7M | 0.17% | +203,400 | New |
| Point72 Asset Management, L.P. | 203,088 | $28.7M | 0.12% | +203,088 | New |
| Norges Bank | 196,490 | $27.7M | 0.01% | +152,576+347.4% | Added |
| Principal Financial Group Inc | 192,239 | $27.1M | 0.02% | −11,215−5.5% | Reduced |
| Citadel Advisors LLC | 188,717 | $26.6M | 0.03% | +63,752+51.0% | Added |
| Hawk Ridge Capital Management LP | 179,308 | $25.3M | 1.59% | +179,308 | New |
| BNP Paribas Arbitrage, SA | 167,906 | $23.7M | 0.06% | −79,600−32.2% | Reduced |
| Retirement Systems of Alabama | 152,469 | $21.5M | 0.10% | −3,998−2.6% | Reduced |
| ING Groep NV | 150,000 | $21.2M | 0.35% | +150,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 145,500 | $20.5M | 0.10% | +65,223+81.2% | Added |
| Rhumbline Advisers | 140,785 | $19.9M | 0.03% | −2,998−2.1% | Reduced |
| Deutsche Bank AG | 139,901 | $19.7M | 0.01% | −350,438−71.5% | Reduced |
| Rockefeller Capital Management L.P. | 138,213 | $19.5M | 0.10% | −6,695−4.6% | Reduced |
| Invesco Ltd. | 130,941 | $18.5M | 0.01% | −5,771−4.2% | Reduced |
| Bank of Montreal | 127,735 | $18.4M | 0.01% | +33,995+36.3% | Added |
| Jane Street Group, LLC | 128,744 | $18.2M | 0.03% | +113,682+754.8% | Added |
| Ameriprise Financial Inc | 121,801 | $17.2M | 0.01% | −9,835−7.5% | Reduced |
| Montanaro Asset Management Ltd | 116,500 | $16.4M | 2.52% | −26,000−18.2% | Reduced |
| California Public Employees Retirement System | 113,349 | $16.0M | 0.01% | +19,786+21.1% | Added |
| Acadian Asset Management LLC | 110,625 | $15.6M | 0.09% | −338,662−75.4% | Reduced |
| Amundi | 105,570 | $15.4M | 0.01% | +6,066+6.1% | Added |
| Nuveen Asset Management, LLC | 108,245 | $15.3M | 0.01% | −9,564−8.1% | Reduced |
| Allspring Global Investments Holdings, LLC | 102,645 | $14.5M | 0.03% | +14,721+16.7% | Added |
| Alyeska Investment Group, L.P. | 100,000 | $14.1M | 0.17% | −231,194−69.8% | Reduced |
| British Columbia Investment Management Corp | 98,652 | $13.9M | 0.16% | −4,413−4.3% | Reduced |
| Baillie Gifford & Co | 93,634 | $13.2M | 0.01% | +4,162+4.7% | Added |
| UBS Group AG | 89,399 | $12.6M | 0.01% | −12,385−12.2% | Reduced |
| California State Teachers Retirement System | 86,007 | $12.1M | 0.02% | −1,703−1.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 85,902 | $12.1M | 0.02% | −34,133−28.4% | Reduced |
| Gamco Investors, Inc. Et Al | 85,000 | $12.0M | 0.14% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 78,634 | $11.1M | 0.06% | −33,739−30.0% | Reduced |
| Scout Investments, Inc. | 76,741 | $10.8M | 0.22% | −120.0% | Reduced |
| American International Group, Inc. | 76,443 | $10.8M | 0.08% | −8,112−9.6% | Reduced |
| Alliancebernstein L.P. | 75,557 | $10.7M | 0.01% | −4,011−5.0% | Reduced |
| Royal Bank of Canada | 71,364 | $10.1M | 0.00% | +50,566+243.1% | Added |
| Credit Suisse AG | 69,173 | $9.76M | 0.01% | −14,200−17.0% | Reduced |
| 2Xideas AG | 68,123 | $9.62M | 1.01% | −20,828−23.4% | Reduced |
| New York State Teachers Retirement System | 65,755 | $9.28M | 0.02% | 00.0% | Unchanged |
| Susquehanna Fundamental Investments, LLC | 65,439 | $9.24M | 0.16% | +65,439 | New |
| Mirae Asset Global Investments Co., Ltd. | 65,293 | $9.22M | 0.02% | −3,471−5.0% | Reduced |
| Cubist Systematic Strategies, LLC | 64,579 | $9.12M | 0.07% | −9,732−13.1% | Reduced |
| New York State Common Retirement Fund | 63,799 | $9.01M | 0.01% | −3,449−5.1% | Reduced |
| DekaBank Deutsche Girozentrale | 62,946 | $8.93M | 0.03% | +50,321+398.6% | Added |
| Two Sigma Investments, LP | 62,860 | $8.87M | 0.03% | −121,135−65.8% | Reduced |
| Janney Montgomery Scott LLC | 61,208 | $8.64M | 0.04% | −1,149−1.8% | Reduced |
| State Board of Administration of Florida Retirement System | 55,899 | $7.89M | 0.02% | −1,840−3.2% | Reduced |
| Logan Capital Management Inc | 55,220 | $7.79M | 0.47% | +30+0.1% | Added |
| Bell Asset Management Ltd | 51,780 | $7.31M | 1.48% | −752−1.4% | Reduced |
| Eaton Vance Management | 51,722 | $7.30M | 0.01% | −51−0.1% | Reduced |
| SEI Investments Co | 51,699 | $7.30M | 0.02% | +5,245+11.3% | Added |
| Handelsinvest Investeringsforvaltning | 51,100 | $7.21M | 1.13% | +700+1.4% | Added |
| Bryn Mawr Trust Co | 50,499 | $7.13M | 0.35% | −183−0.4% | Reduced |
| Great West Life Assurance Co | 48,945 | $6.90M | 0.02% | −2,417−4.7% | Reduced |
| Aviva PLC | 48,583 | $6.86M | 0.04% | −8,481−14.9% | Reduced |
| First Trust Advisors LP | 48,393 | $6.83M | 0.01% | −36,527−43.0% | Reduced |
| Renaissance Technologies LLC | 47,800 | $6.75M | 0.01% | +47,800 | New |
| Asset Management One Co.,Ltd. | 47,163 | $6.67M | 0.03% | −6,227−11.7% | Reduced |