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, Q2 2022
Institutional positions in Masimo Corp as of Jun 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
- 417
- −31 vs. Q1 2022
- Shares held
- 44.3M
- −816.3K (−1.8%) vs. Q1 2022
- Total value
- $5.81B
- −$759.6M (−11.6%) vs. Q1 2022
- New holders
- 56
- 147 more added
- Sold out
- 87
- 156 more reduced
9 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2022
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,775,228 | $754.6M | 0.02% | −1,100,319−16.0% | Reduced |
| Vanguard Group Inc | 4,918,892 | $642.8M | 0.02% | +143,232+3.0% | Added |
| FMR LLC | 2,104,939 | $275.1M | 0.03% | +35,438+1.7% | Added |
| Nomura Holdings Inc | 1,786,307 | $242.5M | 2.16% | +1,786,307 | New |
| State Street Corp | 1,690,514 | $220.9M | 0.01% | −40,477−2.3% | Reduced |
| Morgan Stanley | 1,376,624 | $179.9M | 0.02% | +886,202+180.7% | Added |
| RTW Investments, LP | 1,350,993 | $176.5M | 4.56% | +223,400+19.8% | Added |
| Liontrust Investment Partners LLP | 1,199,300 | $156.7M | 2.21% | +191,700+19.0% | Added |
| Champlain Investment Partners, LLC | 951,742 | $124.4M | 0.80% | −23,805−2.4% | Reduced |
| Goldman Sachs Group Inc | 856,664 | $111.9M | 0.03% | +410,793+92.1% | Added |
| Fundsmith LLPSuperinvestorFundsmith | 756,313 | $98.8M | 0.44% | −4,783−0.6% | Reduced |
| Millennium Management LLC | 722,159 | $94.4M | 0.12% | −242,534−25.1% | Reduced |
| Bank of New York Mellon Corp | 710,515 | $92.8M | 0.02% | +121,710+20.7% | Added |
| Geode Capital Management, LLC | 695,010 | $90.7M | 0.01% | +8,626+1.3% | Added |
| D. E. Shaw & Co., Inc. | 645,689 | $84.4M | 0.14% | −70,914−9.9% | Reduced |
| Martin Currie Ltd | 592,462 | $77.4M | 3.00% | −18,383−3.0% | Reduced |
| Two Sigma Advisers, LP | 555,800 | $72.6M | 0.21% | +80,500+16.9% | Added |
| Citigroup Inc | 555,043 | $72.5M | 0.10% | +3,108+0.6% | Added |
| Neuberger Berman Group LLC | 532,829 | $72.0M | 0.07% | −126,929−19.2% | Reduced |
| Assenagon Asset Management S.A. | 550,752 | $72.0M | 0.30% | +14,940+2.8% | Added |
| Northern Trust Corp | 503,522 | $65.8M | 0.01% | −51,338−9.3% | Reduced |
| Deutsche Bank AG | 490,339 | $64.1M | 0.04% | +229,651+88.1% | Added |
| Acadian Asset Management LLC | 449,287 | $58.7M | 0.30% | +149,744+50.0% | Added |
| AQR Capital Management LLC | 391,742 | $51.2M | 0.12% | +186,366+90.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 391,004 | $51.1M | 0.19% | −21,119−5.1% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 376,659 | $49.2M | 0.04% | +3,352+0.9% | Added |
| Legal & General Group Plc | 359,238 | $46.9M | 0.02% | −50,501−12.3% | Reduced |
| JPMorgan Chase & Co | 358,649 | $46.9M | 0.01% | +1,458+0.4% | Added |
| Schroder Investment Management Group | 342,137 | $44.7M | 0.07% | +230,073+205.3% | Added |
| Ensemble Capital Management, LLC | 336,563 | $44.0M | 4.95% | +2,419+0.7% | Added |
| Charles Schwab Investment Management Inc | 335,422 | $43.8M | 0.02% | +18,310+5.8% | Added |
| Alyeska Investment Group, L.P. | 331,194 | $43.3M | 0.50% | +76,630+30.1% | Added |
| Bank of Nova Scotia | 305,037 | $39.9M | 0.10% | +303,471+19,378.7% | Added |
| Marshall Wace, LLP | 290,798 | $38.0M | 0.09% | −677,296−70.0% | Reduced |
| Geneva Capital Management LLC | 289,389 | $37.8M | 0.87% | −129,925−31.0% | Reduced |
| Raymond James & Associates | 283,630 | $37.1M | 0.04% | −1,660−0.6% | Reduced |
| First Republic Investment Management, Inc. | 277,634 | $36.3M | 0.09% | +496+0.2% | Added |
| UBS Asset Management Americas Inc | 275,139 | $36.0M | 0.02% | +10,156+3.8% | Added |
| Manufacturers Life Insurance Company, The | 274,730 | $35.9M | 0.03% | −4,378−1.6% | Reduced |
| Obermeyer Wood Investment Counsel, LLLP | 266,704 | $34.9M | 2.56% | +3,701+1.4% | Added |
| BNP Paribas Arbitrage, SA | 247,506 | $32.3M | 0.07% | +98,319+65.9% | Added |
| Swiss National Bank | 227,214 | $29.7M | 0.02% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 224,430 | $29.3M | 0.19% | +9,800+4.6% | Added |
| Dimensional Fund Advisors LP | 213,979 | $28.0M | 0.01% | −12,547−5.5% | Reduced |
| Principal Financial Group Inc | 203,454 | $26.6M | 0.02% | +29,210+16.8% | Added |
| Farallon Capital Management, L.L.C. | 195,000 | $25.5M | 0.15% | +195,000 | New |
| Two Sigma Investments, LP | 183,995 | $24.0M | 0.08% | −411,323−69.1% | Reduced |
| Barclays PLC | 182,707 | $23.9M | 0.03% | +150,239+462.7% | Added |
| Blue Whale Capital LLP | 168,700 | $22.0M | 3.24% | −37,500−18.2% | Reduced |
| Retirement Systems of Alabama | 156,467 | $20.4M | 0.09% | +605+0.4% | Added |
| Natixis | 156,119 | $20.4M | 0.07% | +156,119 | New |
| Price T Rowe Associates Inc | 150,534 | $19.7M | 0.00% | +50,828+51.0% | Added |
| Rockefeller Capital Management L.P. | 144,908 | $18.9M | 0.10% | −364−0.3% | Reduced |
| Rhumbline Advisers | 143,783 | $18.8M | 0.03% | +7,802+5.7% | Added |
| Montanaro Asset Management Ltd | 142,500 | $18.6M | 2.80% | +12,500+9.6% | Added |
| Invesco Ltd. | 136,712 | $17.9M | 0.01% | −3,679−2.6% | Reduced |
| Ameriprise Financial Inc | 131,636 | $17.2M | 0.01% | +54,934+71.6% | Added |
| Citadel Advisors LLC | 124,965 | $16.3M | 0.02% | −21,490−14.7% | Reduced |
| Arrowstreet Capital, Limited Partnership | 120,035 | $15.7M | 0.02% | −109,103−47.6% | Reduced |
| Nuveen Asset Management, LLC | 117,809 | $15.4M | 0.01% | −7,533−6.0% | Reduced |
| Bridgewater Associates, LP | 112,373 | $14.7M | 0.06% | +35,276+45.8% | Added |
| Jacobs Levy Equity Management, Inc | 111,073 | $14.5M | 0.11% | +111,073 | New |
| British Columbia Investment Management Corp | 103,065 | $13.5M | 0.13% | +7,967+8.4% | Added |
| UBS Group AG | 101,784 | $13.3M | 0.01% | −103,318−50.4% | Reduced |
| Bank of Montreal | 93,740 | $13.0M | 0.01% | +564+0.6% | Added |
| Amundi | 99,504 | $12.5M | 0.01% | −3,493−3.4% | Reduced |
| Toronto Dominion Bank | 95,235 | $12.4M | 0.02% | −1,000−1.0% | Reduced |
| California Public Employees Retirement System | 93,563 | $12.2M | 0.01% | −3,310−3.4% | Reduced |
| Voloridge Investment Management, LLC | 91,890 | $12.0M | 0.06% | −49,998−35.2% | Reduced |
| Baillie Gifford & Co | 89,472 | $11.7M | 0.01% | −10,702−10.7% | Reduced |
| 2Xideas AG | 88,951 | $11.6M | 1.06% | +34,364+63.0% | Added |
| Allspring Global Investments Holdings, LLC | 87,924 | $11.5M | 0.02% | +38,836+79.1% | Added |
| California State Teachers Retirement System | 87,710 | $11.5M | 0.02% | +2,570+3.0% | Added |
| Gamco Investors, Inc. Et Al | 85,000 | $11.1M | 0.12% | 00.0% | Unchanged |
| First Trust Advisors LP | 84,920 | $11.1M | 0.01% | +55,582+189.5% | Added |
| American International Group, Inc. | 84,555 | $11.0M | 0.07% | −1,811−2.1% | Reduced |
| Credit Suisse AG | 83,373 | $10.9M | 0.01% | −217,006−72.2% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 80,277 | $10.5M | 0.05% | +48,777+154.8% | Added |
| Alliancebernstein L.P. | 79,568 | $10.4M | 0.00% | +509+0.6% | Added |
| Scout Investments, Inc. | 76,753 | $10.0M | 0.20% | −78,240−50.5% | Reduced |
| Cubist Systematic Strategies, LLC | 74,311 | $9.71M | 0.07% | −84,263−53.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 68,764 | $8.98M | 0.02% | +68,764 | New |
| Russell Investments Group, Ltd. | 66,537 | $8.87M | 0.02% | +39,838+149.2% | Added |
| New York State Common Retirement Fund | 67,248 | $8.79M | 0.01% | −5,008−6.9% | Reduced |
| New York State Teachers Retirement System | 65,755 | $8.59M | 0.02% | −1,097−1.6% | Reduced |
| Canada Pension Plan Investment Board | 64,890 | $8.48M | 0.01% | +62,500+2,615.1% | Added |
| Janney Montgomery Scott LLC | 62,357 | $8.24M | 0.04% | +56,491+963.0% | Added |
| E. Ohman J:or Asset Management AB | 59,187 | $7.73M | 0.33% | +7,200+13.8% | Added |
| State Board of Administration of Florida Retirement System | 57,739 | $7.54M | 0.02% | −7,170−11.0% | Reduced |
| Aviva PLC | 57,064 | $7.46M | 0.04% | +43,868+332.4% | Added |
| Logan Capital Management Inc | 55,190 | $7.21M | 0.41% | +756+1.4% | Added |
| Asset Management One Co.,Ltd. | 53,390 | $7.04M | 0.03% | −9,184−14.7% | Reduced |
| HSBC Holdings PLC | 52,842 | $6.95M | 0.01% | +4,144+8.5% | Added |
| PDT Partners, LLC | 52,545 | $6.87M | 0.61% | +7,448+16.5% | Added |
| Bell Asset Management Ltd | 52,532 | $6.86M | 1.35% | +20,307+63.0% | Added |
| Bank of America Corp | 52,089 | $6.81M | 0.00% | −26,314−33.6% | Reduced |
| Eaton Vance Management | 51,773 | $6.76M | 0.01% | −1,257−2.4% | Reduced |
| Great West Life Assurance Co | 51,362 | $6.71M | 0.02% | −8,178−13.7% | Reduced |
| Shell Asset Management Co | 50,936 | $6.66M | 0.20% | −3,468−6.4% | Reduced |
| Bryn Mawr Trust Co | 50,682 | $6.62M | 0.30% | −1,259−2.4% | Reduced |