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, 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 | $7.20B |
| 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, 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 |
|---|---|---|---|---|---|
| South Dakota Investment Council | 32,047 | $4.52M | 0.11% | 00.0% | Unchanged |
| MetLife Investment Management | 32,524 | $4.59M | 0.04% | −2,234−6.4% | Reduced |
| Pertento Partners LLP | 32,840 | $4.64M | 1.88% | −5,460−14.3% | Reduced |
| Gabelli Funds LLC | 33,200 | $4.69M | 0.04% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 33,623 | $4.75M | 0.01% | −606−1.8% | Reduced |
| Texas Permanent School Fund | 34,758 | $4.91M | 0.08% | −2,150−5.8% | Reduced |
| Brookfield Asset Management Inc. | 36,026 | $5.08M | 0.02% | +36,026 | New |
| Amalgamated Bank | 36,330 | $5.13M | 0.05% | −968−2.6% | Reduced |
| Korea Investment CORP | 38,743 | $5.47M | 0.02% | +9,501+32.5% | Added |
| Mutual of America Capital Management LLC | 38,856 | $5.49M | 0.07% | −3,839−9.0% | Reduced |
| Andra AP-fonden | 39,000 | $5.50M | 0.18% | −8,200−17.4% | Reduced |
| E. Ohman J:or Asset Management AB | 39,613 | $5.59M | 0.25% | −19,574−33.1% | Reduced |
| Shell Asset Management Co | 39,742 | $5.61M | 0.22% | −11,194−22.0% | Reduced |
| Point72 Hong Kong Ltd | 40,028 | $5.65M | 0.34% | +26,259+190.7% | Added |
| Forte Capital LLC | 40,937 | $5.78M | 1.05% | +140+0.3% | Added |
| NS Partners Ltd | 41,946 | $5.92M | 0.38% | +1,440+3.6% | Added |
| Banco Santander, S.A. | 41,983 | $5.93M | 0.08% | +5,700+15.7% | Added |
| State of Tennessee, Treasury Department | 46,154 | $6.51M | 0.03% | +3,331+7.8% | Added |
| Asset Management One Co.,Ltd. | 47,163 | $6.67M | 0.03% | −6,227−11.7% | Reduced |
| Renaissance Technologies LLC | 47,800 | $6.75M | 0.01% | +47,800 | New |
| First Trust Advisors LP | 48,393 | $6.83M | 0.01% | −36,527−43.0% | Reduced |
| Aviva PLC | 48,583 | $6.86M | 0.04% | −8,481−14.9% | Reduced |
| Great West Life Assurance Co | 48,945 | $6.90M | 0.02% | −2,417−4.7% | Reduced |
| Bryn Mawr Trust Co | 50,499 | $7.13M | 0.35% | −183−0.4% | Reduced |
| Handelsinvest Investeringsforvaltning | 51,100 | $7.21M | 1.13% | +700+1.4% | Added |
| SEI Investments Co | 51,699 | $7.30M | 0.02% | +5,245+11.3% | Added |
| Eaton Vance Management | 51,722 | $7.30M | 0.01% | −51−0.1% | Reduced |
| Bell Asset Management Ltd | 51,780 | $7.31M | 1.48% | −752−1.4% | Reduced |
| Logan Capital Management Inc | 55,220 | $7.79M | 0.47% | +30+0.1% | Added |
| State Board of Administration of Florida Retirement System | 55,899 | $7.89M | 0.02% | −1,840−3.2% | Reduced |
| Janney Montgomery Scott LLC | 61,208 | $8.64M | 0.04% | −1,149−1.8% | Reduced |
| Two Sigma Investments, LP | 62,860 | $8.87M | 0.03% | −121,135−65.8% | Reduced |
| DekaBank Deutsche Girozentrale | 62,946 | $8.93M | 0.03% | +50,321+398.6% | Added |
| New York State Common Retirement Fund | 63,799 | $9.01M | 0.01% | −3,449−5.1% | Reduced |
| Cubist Systematic Strategies, LLC | 64,579 | $9.12M | 0.07% | −9,732−13.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 65,293 | $9.22M | 0.02% | −3,471−5.0% | Reduced |
| Susquehanna Fundamental Investments, LLC | 65,439 | $9.24M | 0.16% | +65,439 | New |
| New York State Teachers Retirement System | 65,755 | $9.28M | 0.02% | 00.0% | Unchanged |
| 2Xideas AG | 68,123 | $9.62M | 1.01% | −20,828−23.4% | Reduced |
| Credit Suisse AG | 69,173 | $9.76M | 0.01% | −14,200−17.0% | Reduced |
| Royal Bank of Canada | 71,364 | $10.1M | 0.00% | +50,566+243.1% | Added |
| Alliancebernstein L.P. | 75,557 | $10.7M | 0.01% | −4,011−5.0% | Reduced |
| American International Group, Inc. | 76,443 | $10.8M | 0.08% | −8,112−9.6% | Reduced |
| Scout Investments, Inc. | 76,741 | $10.8M | 0.22% | −120.0% | Reduced |
| Bridgewater Associates, LP | 78,634 | $11.1M | 0.06% | −33,739−30.0% | Reduced |
| Gamco Investors, Inc. Et Al | 85,000 | $12.0M | 0.14% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 85,902 | $12.1M | 0.02% | −34,133−28.4% | Reduced |
| California State Teachers Retirement System | 86,007 | $12.1M | 0.02% | −1,703−1.9% | Reduced |
| UBS Group AG | 89,399 | $12.6M | 0.01% | −12,385−12.2% | Reduced |
| Baillie Gifford & Co | 93,634 | $13.2M | 0.01% | +4,162+4.7% | Added |
| British Columbia Investment Management Corp | 98,652 | $13.9M | 0.16% | −4,413−4.3% | Reduced |
| Alyeska Investment Group, L.P. | 100,000 | $14.1M | 0.17% | −231,194−69.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 102,645 | $14.5M | 0.03% | +14,721+16.7% | Added |
| Nuveen Asset Management, LLC | 108,245 | $15.3M | 0.01% | −9,564−8.1% | Reduced |
| Amundi | 105,570 | $15.4M | 0.01% | +6,066+6.1% | Added |
| Acadian Asset Management LLC | 110,625 | $15.6M | 0.09% | −338,662−75.4% | Reduced |
| California Public Employees Retirement System | 113,349 | $16.0M | 0.01% | +19,786+21.1% | Added |
| Montanaro Asset Management Ltd | 116,500 | $16.4M | 2.52% | −26,000−18.2% | Reduced |
| Ameriprise Financial Inc | 121,801 | $17.2M | 0.01% | −9,835−7.5% | Reduced |
| Jane Street Group, LLC | 128,744 | $18.2M | 0.03% | +113,682+754.8% | Added |
| Bank of Montreal | 127,735 | $18.4M | 0.01% | +33,995+36.3% | Added |
| Invesco Ltd. | 130,941 | $18.5M | 0.01% | −5,771−4.2% | Reduced |
| Rockefeller Capital Management L.P. | 138,213 | $19.5M | 0.10% | −6,695−4.6% | Reduced |
| Deutsche Bank AG | 139,901 | $19.7M | 0.01% | −350,438−71.5% | Reduced |
| Rhumbline Advisers | 140,785 | $19.9M | 0.03% | −2,998−2.1% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 145,500 | $20.5M | 0.10% | +65,223+81.2% | Added |
| ING Groep NV | 150,000 | $21.2M | 0.35% | +150,000 | New |
| Retirement Systems of Alabama | 152,469 | $21.5M | 0.10% | −3,998−2.6% | Reduced |
| BNP Paribas Arbitrage, SA | 167,906 | $23.7M | 0.06% | −79,600−32.2% | Reduced |
| Hawk Ridge Capital Management LP | 179,308 | $25.3M | 1.59% | +179,308 | New |
| Citadel Advisors LLC | 188,717 | $26.6M | 0.03% | +63,752+51.0% | Added |
| Principal Financial Group Inc | 192,239 | $27.1M | 0.02% | −11,215−5.5% | Reduced |
| Norges Bank | 196,490 | $27.7M | 0.01% | +152,576+347.4% | Added |
| Point72 Asset Management, L.P. | 203,088 | $28.7M | 0.12% | +203,088 | New |
| National Bank of Canada | 203,400 | $28.7M | 0.17% | +203,400 | New |
| Handelsbanken Fonder AB | 219,430 | $31.0M | 0.21% | −5,000−2.2% | Reduced |
| Toronto Dominion Bank | 223,365 | $31.5M | 0.06% | +128,130+134.5% | Added |
| Dimensional Fund Advisors LP | 225,287 | $31.8M | 0.01% | +11,308+5.3% | Added |
| Swiss National Bank | 228,514 | $32.3M | 0.02% | +1,300+0.6% | Added |
| Manufacturers Life Insurance Company, The | 257,172 | $36.3M | 0.03% | −17,558−6.4% | Reduced |
| Obermeyer Wood Investment Counsel, LLLP | 263,499 | $37.2M | 3.01% | −3,205−1.2% | Reduced |
| HSBC Holdings PLC | 263,738 | $38.0M | 0.07% | +210,896+399.1% | Added |
| First Republic Investment Management, Inc. | 278,459 | $39.3M | 0.10% | +825+0.3% | Added |
| Raymond James & Associates | 283,028 | $40.0M | 0.04% | −602−0.2% | Reduced |
| Assenagon Asset Management S.A. | 291,859 | $41.2M | 0.18% | −258,893−47.0% | Reduced |
| Geneva Capital Management LLC | 302,037 | $42.6M | 0.98% | +12,648+4.4% | Added |
| Canada Pension Plan Investment Board | 318,600 | $45.0M | 0.08% | +253,710+391.0% | Added |
| UBS Asset Management Americas Inc | 326,239 | $46.1M | 0.03% | +51,100+18.6% | Added |
| Charles Schwab Investment Management Inc | 333,622 | $47.1M | 0.02% | −1,800−0.5% | Reduced |
| Ensemble Capital Management, LLC | 342,926 | $48.4M | 5.45% | +6,363+1.9% | Added |
| Legal & General Group Plc | 343,538 | $48.5M | 0.02% | −15,700−4.4% | Reduced |
| JPMorgan Chase & Co | 348,713 | $49.2M | 0.01% | −9,936−2.8% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 382,697 | $54.0M | 0.04% | +6,038+1.6% | Added |
| Two Sigma Advisers, LP | 393,900 | $55.6M | 0.16% | −161,900−29.1% | Reduced |
| D. E. Shaw & Co., Inc. | 394,652 | $55.7M | 0.10% | −251,037−38.9% | Reduced |
| Schroder Investment Management Group | 398,524 | $56.3M | 0.09% | +56,387+16.5% | Added |
| Barclays PLC | 404,697 | $57.1M | 0.06% | +221,990+121.5% | Added |
| Bank of Nova Scotia | 453,150 | $64.0M | 0.20% | +148,113+48.6% | Added |
| Northern Trust Corp | 467,828 | $66.0M | 0.02% | −35,694−7.1% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 469,586 | $66.3M | 0.26% | +78,582+20.1% | Added |