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, 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 | $7.20B |
| 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, 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 |
|---|---|---|---|---|---|
| Amalgamated Bank | 37,298 | $4.87M | 0.05% | −795−2.1% | Reduced |
| Pertento Partners LLP | 38,300 | $5.00M | 2.00% | +38,300 | New |
| Quadrature Capital Ltd | 39,812 | $5.21M | 0.22% | +25,915+186.5% | Added |
| NS Partners Ltd | 40,506 | $5.29M | 0.32% | +511+1.3% | Added |
| Forte Capital LLC | 40,797 | $5.33M | 0.93% | −2,060−4.8% | Reduced |
| Mutual of America Capital Management LLC | 42,695 | $5.58M | 0.07% | −3,631−7.8% | Reduced |
| Capital Fund Management S.A. | 42,755 | $5.59M | 0.15% | −2,444−5.4% | Reduced |
| State of Tennessee, Treasury Department | 42,823 | $5.60M | 0.03% | 00.0% | Unchanged |
| Woodline Partners LP | 43,036 | $5.62M | 0.09% | +43,036 | New |
| Holocene Advisors, LP | 43,734 | $5.71M | 0.03% | +7,953+22.2% | Added |
| Norges Bank | 43,914 | $5.74M | 0.00% | +27,371+165.5% | Added |
| Brewin Dolphin Wealth Management Ltd | 44,703 | $5.84M | 0.64% | +2,877+6.9% | Added |
| ExodusPoint Capital Management, LP | 45,063 | $5.89M | 0.08% | +23,226+106.4% | Added |
| SEI Investments Co | 46,454 | $6.10M | 0.01% | +7,322+18.7% | Added |
| Andra AP-fonden | 47,200 | $6.17M | 0.18% | +47,200 | New |
| Wells Fargo & Company | 47,368 | $6.19M | 0.00% | −9,937−17.3% | Reduced |
| Handelsinvest Investeringsforvaltning | 50,400 | $6.59M | 0.98% | +5,400+12.0% | Added |
| Bryn Mawr Trust Co | 50,682 | $6.62M | 0.30% | −1,259−2.4% | Reduced |
| Shell Asset Management Co | 50,936 | $6.66M | 0.20% | −3,468−6.4% | Reduced |
| Great West Life Assurance Co | 51,362 | $6.71M | 0.02% | −8,178−13.7% | Reduced |
| Eaton Vance Management | 51,773 | $6.76M | 0.01% | −1,257−2.4% | Reduced |
| Bank of America Corp | 52,089 | $6.81M | 0.00% | −26,314−33.6% | Reduced |
| Bell Asset Management Ltd | 52,532 | $6.86M | 1.35% | +20,307+63.0% | Added |
| PDT Partners, LLC | 52,545 | $6.87M | 0.61% | +7,448+16.5% | Added |
| HSBC Holdings PLC | 52,842 | $6.95M | 0.01% | +4,144+8.5% | Added |
| Asset Management One Co.,Ltd. | 53,390 | $7.04M | 0.03% | −9,184−14.7% | Reduced |
| Logan Capital Management Inc | 55,190 | $7.21M | 0.41% | +756+1.4% | Added |
| Aviva PLC | 57,064 | $7.46M | 0.04% | +43,868+332.4% | Added |
| State Board of Administration of Florida Retirement System | 57,739 | $7.54M | 0.02% | −7,170−11.0% | Reduced |
| E. Ohman J:or Asset Management AB | 59,187 | $7.73M | 0.33% | +7,200+13.8% | Added |
| Janney Montgomery Scott LLC | 62,357 | $8.24M | 0.04% | +56,491+963.0% | Added |
| Canada Pension Plan Investment Board | 64,890 | $8.48M | 0.01% | +62,500+2,615.1% | Added |
| New York State Teachers Retirement System | 65,755 | $8.59M | 0.02% | −1,097−1.6% | Reduced |
| New York State Common Retirement Fund | 67,248 | $8.79M | 0.01% | −5,008−6.9% | Reduced |
| Russell Investments Group, Ltd. | 66,537 | $8.87M | 0.02% | +39,838+149.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 68,764 | $8.98M | 0.02% | +68,764 | New |
| Cubist Systematic Strategies, LLC | 74,311 | $9.71M | 0.07% | −84,263−53.1% | Reduced |
| Scout Investments, Inc. | 76,753 | $10.0M | 0.20% | −78,240−50.5% | Reduced |
| Alliancebernstein L.P. | 79,568 | $10.4M | 0.00% | +509+0.6% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 80,277 | $10.5M | 0.05% | +48,777+154.8% | Added |
| Credit Suisse AG | 83,373 | $10.9M | 0.01% | −217,006−72.2% | Reduced |
| American International Group, Inc. | 84,555 | $11.0M | 0.07% | −1,811−2.1% | Reduced |
| First Trust Advisors LP | 84,920 | $11.1M | 0.01% | +55,582+189.5% | Added |
| Gamco Investors, Inc. Et Al | 85,000 | $11.1M | 0.12% | 00.0% | Unchanged |
| California State Teachers Retirement System | 87,710 | $11.5M | 0.02% | +2,570+3.0% | Added |
| Allspring Global Investments Holdings, LLC | 87,924 | $11.5M | 0.02% | +38,836+79.1% | Added |
| 2Xideas AG | 88,951 | $11.6M | 1.06% | +34,364+63.0% | Added |
| Baillie Gifford & Co | 89,472 | $11.7M | 0.01% | −10,702−10.7% | Reduced |
| Voloridge Investment Management, LLC | 91,890 | $12.0M | 0.06% | −49,998−35.2% | Reduced |
| California Public Employees Retirement System | 93,563 | $12.2M | 0.01% | −3,310−3.4% | Reduced |
| Toronto Dominion Bank | 95,235 | $12.4M | 0.02% | −1,000−1.0% | Reduced |
| Amundi | 99,504 | $12.5M | 0.01% | −3,493−3.4% | Reduced |
| Bank of Montreal | 93,740 | $13.0M | 0.01% | +564+0.6% | Added |
| UBS Group AG | 101,784 | $13.3M | 0.01% | −103,318−50.4% | Reduced |
| British Columbia Investment Management Corp | 103,065 | $13.5M | 0.13% | +7,967+8.4% | Added |
| Jacobs Levy Equity Management, Inc | 111,073 | $14.5M | 0.11% | +111,073 | New |
| Bridgewater Associates, LP | 112,373 | $14.7M | 0.06% | +35,276+45.8% | Added |
| Nuveen Asset Management, LLC | 117,809 | $15.4M | 0.01% | −7,533−6.0% | Reduced |
| Arrowstreet Capital, Limited Partnership | 120,035 | $15.7M | 0.02% | −109,103−47.6% | Reduced |
| Citadel Advisors LLC | 124,965 | $16.3M | 0.02% | −21,490−14.7% | Reduced |
| Ameriprise Financial Inc | 131,636 | $17.2M | 0.01% | +54,934+71.6% | Added |
| Invesco Ltd. | 136,712 | $17.9M | 0.01% | −3,679−2.6% | Reduced |
| Montanaro Asset Management Ltd | 142,500 | $18.6M | 2.80% | +12,500+9.6% | Added |
| Rhumbline Advisers | 143,783 | $18.8M | 0.03% | +7,802+5.7% | Added |
| Rockefeller Capital Management L.P. | 144,908 | $18.9M | 0.10% | −364−0.3% | Reduced |
| Price T Rowe Associates Inc | 150,534 | $19.7M | 0.00% | +50,828+51.0% | Added |
| Natixis | 156,119 | $20.4M | 0.07% | +156,119 | New |
| Retirement Systems of Alabama | 156,467 | $20.4M | 0.09% | +605+0.4% | Added |
| Blue Whale Capital LLP | 168,700 | $22.0M | 3.24% | −37,500−18.2% | Reduced |
| Barclays PLC | 182,707 | $23.9M | 0.03% | +150,239+462.7% | Added |
| Two Sigma Investments, LP | 183,995 | $24.0M | 0.08% | −411,323−69.1% | Reduced |
| Farallon Capital Management, L.L.C. | 195,000 | $25.5M | 0.15% | +195,000 | New |
| Principal Financial Group Inc | 203,454 | $26.6M | 0.02% | +29,210+16.8% | Added |
| Dimensional Fund Advisors LP | 213,979 | $28.0M | 0.01% | −12,547−5.5% | Reduced |
| Handelsbanken Fonder AB | 224,430 | $29.3M | 0.19% | +9,800+4.6% | Added |
| Swiss National Bank | 227,214 | $29.7M | 0.02% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 247,506 | $32.3M | 0.07% | +98,319+65.9% | Added |
| Obermeyer Wood Investment Counsel, LLLP | 266,704 | $34.9M | 2.56% | +3,701+1.4% | Added |
| Manufacturers Life Insurance Company, The | 274,730 | $35.9M | 0.03% | −4,378−1.6% | Reduced |
| UBS Asset Management Americas Inc | 275,139 | $36.0M | 0.02% | +10,156+3.8% | Added |
| First Republic Investment Management, Inc. | 277,634 | $36.3M | 0.09% | +496+0.2% | Added |
| Raymond James & Associates | 283,630 | $37.1M | 0.04% | −1,660−0.6% | Reduced |
| Geneva Capital Management LLC | 289,389 | $37.8M | 0.87% | −129,925−31.0% | Reduced |
| Marshall Wace, LLP | 290,798 | $38.0M | 0.09% | −677,296−70.0% | Reduced |
| Bank of Nova Scotia | 305,037 | $39.9M | 0.10% | +303,471+19,378.7% | Added |
| Alyeska Investment Group, L.P. | 331,194 | $43.3M | 0.50% | +76,630+30.1% | Added |
| Charles Schwab Investment Management Inc | 335,422 | $43.8M | 0.02% | +18,310+5.8% | Added |
| Ensemble Capital Management, LLC | 336,563 | $44.0M | 4.95% | +2,419+0.7% | Added |
| Schroder Investment Management Group | 342,137 | $44.7M | 0.07% | +230,073+205.3% | Added |
| JPMorgan Chase & Co | 358,649 | $46.9M | 0.01% | +1,458+0.4% | Added |
| Legal & General Group Plc | 359,238 | $46.9M | 0.02% | −50,501−12.3% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 376,659 | $49.2M | 0.04% | +3,352+0.9% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 391,004 | $51.1M | 0.19% | −21,119−5.1% | Reduced |
| AQR Capital Management LLC | 391,742 | $51.2M | 0.12% | +186,366+90.7% | Added |
| Acadian Asset Management LLC | 449,287 | $58.7M | 0.30% | +149,744+50.0% | Added |
| Deutsche Bank AG | 490,339 | $64.1M | 0.04% | +229,651+88.1% | Added |
| Northern Trust Corp | 503,522 | $65.8M | 0.01% | −51,338−9.3% | Reduced |
| Assenagon Asset Management S.A. | 550,752 | $72.0M | 0.30% | +14,940+2.8% | Added |
| Neuberger Berman Group LLC | 532,829 | $72.0M | 0.07% | −126,929−19.2% | Reduced |
| Citigroup Inc | 555,043 | $72.5M | 0.10% | +3,108+0.6% | Added |