Who owns Masimo Corporation?
- Ticker: MASI
- CUSIP Number: 574795100
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Analyze quarterly positions in Masimo Corporation with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Masimo Corporation stock
Who bought or sold Masimo Corporation this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| FMR | 7.9M | $1.0B | -4% | Dec 2025 |
|
| BlackRock | 4.6M | $826M | -48% | Mar 2026 |
|
| Politan Capital Management | 4.6M | $816M | 0% | Mar 2026 |
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| Vanguard Group | 4.3M | $566M | -10% | Dec 2025 |
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| Pentwater Capital Management | 3.2M | $565M | 100% | Mar 2026 |
|
| Massachusetts Financial Services | 2.7M | $347M | 2% | Dec 2025 |
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| HBK Investments | 2.6M | $458M | 100% | Mar 2026 |
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| T. Rowe Price Investment Management | 2.3M | $303M | 10% | Dec 2025 |
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| Vanguard Capital Management | 2.1M | $365M | 100% | Mar 2026 |
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| Vanguard Portfolio Management | 2.0M | $357M | 100% | Mar 2026 |
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| State Street Corporation | 1.4M | $184M | -5% | Dec 2025 |
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| Millennium Management | 1.3M | $227M | 580% | Mar 2026 |
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| Goldman Sachs Group | 984k | $175M | 55% | Mar 2026 |
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| Geode Capital Management | 957k | $170M | 0% | Mar 2026 |
|
| Balyasny Asset Management | 856k | $152M | 100% | Mar 2026 |
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| AQR Capital Management | 832k | $147M | -24% | Mar 2026 |
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| Morgan Stanley | 752k | $134M | -18% | Mar 2026 |
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| Rtw Investments | 683k | $89M | 0% | Dec 2025 |
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| Citigroup | 533k | $95M | 100% | Mar 2026 |
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| SG Americas Securities | 523k | $93M | 3082% | Mar 2026 |
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| Schroder Investment Management Group | 476k | $62M | 41% | Dec 2025 |
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| Hsbc Holdings | 473k | $84M | 100% | Mar 2026 |
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| UBS Group | 468k | $83M | -22% | Mar 2026 |
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| Alliancebernstein | 455k | $59M | 740% | Mar 2026 |
|
| Magnetar Financial | 427k | $76M | 7729% | Mar 2026 |
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| CNH Partners | 417k | $74M | 100% | Mar 2026 |
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| Walleye Trading | 392k | $70M | 100% | Mar 2026 |
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| Squarepoint Ops | 389k | $69M | -33% | Mar 2026 |
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| Northern Trust | 381k | $50M | -3% | Dec 2025 |
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| Charles Schwab Investment Management | 362k | $47M | -1% | Dec 2025 |
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| Capital Research Global Investors | 359k | $64M | -44% | Mar 2026 |
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| Tudor Investment Corporation | 347k | $62M | 2039% | Mar 2026 |
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| Gotham Asset Management | 342k | $61M | 0% | Mar 2026 |
|
| Westfield Capital Management Company | 341k | $61M | -78% | Mar 2026 |
|
| Citadel Advisors | 333k | $59M | 549% | Mar 2026 |
|
| Hudson Bay Capital Management | 331k | $59M | 100% | Mar 2026 |
|
| CI Private Wealth | 322k | $57M | -5% | Mar 2026 |
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| Fort Baker Capital Management | 313k | $56M | 100% | Mar 2026 |
|
| Highland Capital Management Fund Advisors | 310k | $55M | 100% | Mar 2026 |
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| Capitolis Liquid Global Markets | 309k | $55M | 100% | Mar 2026 |
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| Bank of New York Mellon | 306k | $55M | -1% | Mar 2026 |
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| Qube Research & Technologies | 294k | $38M | 100% | Dec 2025 |
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| Vanguard Fiduciary Trust | 290k | $52M | 100% | Mar 2026 |
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| Whitebox Advisors | 270k | $48M | 100% | Mar 2026 |
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| Hrt Financial | 265k | $47M | 185% | Mar 2026 |
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| Polar Securities | 257k | $46M | 100% | Mar 2026 |
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| Nuance Investments | 245k | $44M | 100% | Mar 2026 |
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| Amundi | 243k | $43M | 454% | Mar 2026 |
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| Bnp Paribas Investment Partners | 233k | $30M | 41% | Dec 2025 |
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| Bank of America Corporation | 232k | $41M | 100% | Mar 2026 |
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| Mitsubishi UFJ Securities International | 225k | $40M | 100% | Mar 2026 |
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| Marshall Wace | 219k | $29M | 64% | Dec 2025 |
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| Beryl Capital Management | 217k | $39M | 100% | Mar 2026 |
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| Canada Pension Plan Investment Board | 210k | $37M | 444% | Mar 2026 |
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| Erste Asset Management GmbH | 200k | $36M | 0% | Mar 2026 |
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| Parkman Healthcare Partners | 200k | $26M | 100% | Dec 2025 |
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| Water Island Capital | 194k | $35M | 100% | Mar 2026 |
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| Alpine Associates Management | 189k | $34M | 100% | Mar 2026 |
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| Raymond James Financial | 187k | $24M | -5% | Dec 2025 |
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| American Century Companies | 179k | $23M | 6% | Dec 2025 |
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| Readystate Asset Management | 171k | $30M | 100% | Mar 2026 |
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| Man Group | 166k | $30M | 13% | Mar 2026 |
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| Dimensional Fund Advisors | 164k | $29M | -5% | Mar 2026 |
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| Glazer Capital | 158k | $28M | 100% | Mar 2026 |
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| Woodline Partners | 153k | $27M | 100% | Mar 2026 |
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| Bank of Nova Scotia | 153k | $27M | 2808% | Mar 2026 |
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| Capula Management | 143k | $25M | 100% | Mar 2026 |
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| Champlain Investment Partners | 141k | $25M | 100% | Mar 2026 |
|
| Westchester Capital Management | 138k | $25M | 100% | Mar 2026 |
|
| Grantham, Mayo, Van Otterloo & Co | 138k | $25M | -4% | Mar 2026 |
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| TIG Advisors | 135k | $24M | 100% | Mar 2026 |
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| Ubs Global Asset Management Americas | 134k | $24M | 12% | Mar 2026 |
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| Rhumbline Advisers | 130k | $23M | 4% | Mar 2026 |
|
| Jennifer Ranahan | 123k | $22M | 3% | Mar 2026 |
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| Sagefield Capital | 122k | $22M | 100% | Mar 2026 |
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| Schonfeld Strategic Advisors | 120k | $21M | -55% | Mar 2026 |
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| Winton Capital | 113k | $20M | 100% | Mar 2026 |
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| Weiss Asset Management LP[1 | 113k | $20M | 100% | Mar 2026 |
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| Nuveen | 112k | $20M | -50% | Mar 2026 |
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| Nomura Holdings | 109k | $20M | 100% | Mar 2026 |
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| Principal Financial Group | 103k | $18M | 5% | Mar 2026 |
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| Soros Fund Management | 101k | $18M | 100% | Mar 2026 |
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| Bellevue Group | 97k | $13M | 0% | Dec 2025 |
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| CIBRA Capital | 90k | $16M | 100% | Mar 2026 |
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| Swiss National Bank | 90k | $16M | -1% | Mar 2026 |
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| Deutsche Bank Aktiengesellschaft | 89k | $16M | 1227% | Mar 2026 |
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| Susquehanna International | 86k | $11M | 60% | Dec 2025 |
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| Engineers Gate Manager | 84k | $11M | 171% | Dec 2025 |
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| GAMCO Asset Management | 83k | $11M | -1% | Dec 2025 |
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| CalPERS | 77k | $14M | 22% | Mar 2026 |
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| Voloridge Investment Management | 70k | $13M | 77% | Mar 2026 |
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| Invesco | 69k | $12M | -78% | Mar 2026 |
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| Ameriprise Financial | 65k | $12M | -86% | Mar 2026 |
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| Picton Mahoney Asset Management | 65k | $12M | 519% | Mar 2026 |
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| Wilson Asset Management | 64k | $11M | 62% | Mar 2026 |
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| Legal & General Group | 63k | $11M | -32% | Mar 2026 |
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| Mariner Wealth Advisors | 61k | $11M | 186% | Mar 2026 |
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| Renaissance Technologies | 60k | $7.8M | 100% | Dec 2025 |
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| Barclays | 58k | $7.6M | -25% | Dec 2025 |
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| Retirement Systems of Alabama | 56k | $10M | 2% | Mar 2026 |
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| CSS | 54k | $9.6M | 100% | Mar 2026 |
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| California State Teachers Retirement System | 53k | $9.5M | 22% | Mar 2026 |
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| Verition Fund Management | 53k | $6.9M | 464% | Dec 2025 |
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| Toroso Investments | 50k | $8.8M | -42% | Mar 2026 |
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| BLI - Banque de Luxembourg Investments | 49k | $6.4M | -29% | Dec 2025 |
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| NS Partners | 42k | $7.5M | -1% | Mar 2026 |
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| Vanguard Asset Management | 41k | $7.3M | 100% | Mar 2026 |
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| Florida State Board of Administration | 40k | $7.1M | 0% | Mar 2026 |
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| HPM Partners | 39k | $6.9M | 63% | Mar 2026 |
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| New York State Teachers Retirement System | 39k | $6.9M | -4% | Mar 2026 |
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| OTR - Nominee Name for The State Teachers Retirement Board of Ohio | 37k | $6.6M | 1% | Mar 2026 |
|
| Thrivent Financial for Lutherans | 36k | $6.5M | 57% | Mar 2026 |
|
| Alberta Investment Management Corporation | 34k | $6.1M | 100% | Mar 2026 |
|
| Gabelli Funds | 33k | $4.3M | 0% | Dec 2025 |
|
| Groupe la Francaise | 32k | $5.7M | 100% | Mar 2026 |
|
| Baird Financial | 31k | $4.0M | -14% | Dec 2025 |
|
| Vestcor Investment Management Corp | 30k | $5.3M | 684% | Mar 2026 |
|
| Tokio Marine Asset Management | 29k | $5.2M | 100% | Mar 2026 |
|
| Storebrand Asset Management As | 28k | $4.9M | 0% | Mar 2026 |
|
| Quantbot Technologies | 27k | $4.9M | -52% | Mar 2026 |
|
| Great-West Life Assurance Company | 27k | $3.5M | -2% | Dec 2025 |
|
| Gluskin Sheff + Associates | 26k | $3.4M | -8% | Dec 2025 |
|
| Tpg Gp A | 25k | $4.4M | 100% | Mar 2026 |
|
| MetLife Investment Advisors | 25k | $3.2M | -5% | Dec 2025 |
|
| Westmount Partners | 24k | $4.3M | 0% | Mar 2026 |
|
| New York State Common Retirement Fund | 24k | $4.3M | 0% | Mar 2026 |
|
| Centiva Capital | 24k | $4.2M | 100% | Mar 2026 |
|
| Manufacturers Life Insurance Company | 24k | $4.2M | -29% | Mar 2026 |
|
| Abc Arbitrage Sa | 24k | $4.2M | 100% | Mar 2026 |
|
| Credit Industriel Et Commercial | 23k | $4.1M | 100% | Mar 2026 |
|
| Creative Planning | 23k | $4.1M | 34% | Mar 2026 |
|
| Capricorn Fund Managers | 23k | $4.1M | 100% | Mar 2026 |
|
| Quantinno Capital Management | 23k | $4.0M | 70% | Mar 2026 |
|
| New York Life Investment Management | 22k | $3.9M | 100% | Mar 2026 |
|
| Cardinal Capital Management | 22k | $3.9M | 3% | Mar 2026 |
|
| Amalgamated Bank | 22k | $3.9M | 1% | Mar 2026 |
|
| ING Groep | 22k | $3.9M | 100% | Mar 2026 |
|
| Logan Capital Management | 21k | $3.6M | -23% | Mar 2026 |
|
| Liontrust Investment Partners | 20k | $3.6M | -97% | Mar 2026 |
|
| Henderson Group | 20k | $3.6M | 0% | Mar 2026 |
|
| D. E. Shaw & Co | 20k | $3.5M | -70% | Mar 2026 |
|
| State of Wisconsin Investment Board | 20k | $2.5M | -10% | Dec 2025 |
|
| Police & Firemen's Retirement System of New Jersey | 20k | $3.5M | 0% | Mar 2026 |
|
| Commonwealth of Pennsylvania | 19k | $3.4M | 66% | Mar 2026 |
|
| Treasurer of the State of North Carolina | 19k | $2.5M | -7% | Dec 2025 |
|
| CWM | 19k | $2.4M | 2045% | Dec 2025 |
|
| Vanguard Global Advisers | 18k | $3.3M | 100% | Mar 2026 |
|
| Mercer Global Advisors | 18k | $3.2M | 67% | Mar 2026 |
|
| South Dakota Investment Council | 18k | $3.1M | -17% | Mar 2026 |
|
| Mutual Of America Capital Management | 18k | $3.1M | -8% | Mar 2026 |
|
| Intech Investment Management | 14k | $2.5M | -43% | Mar 2026 |
|
| Brian McDonald | 12k | $1.6M | -95% | Dec 2025 |
|
| Advisors Asset Management | 12k | $2.1M | -39% | Mar 2026 |
|
| Wells Fargo & Company | 11k | $2.0M | -39% | Mar 2026 |
|
| Victory Capital Management | 9.8k | $1.3M | -70% | Dec 2025 |
|
| Jane Street | 9.7k | $1.7M | -91% | Mar 2026 |
|
| Rockefeller Capital Management | 8.0k | $1.4M | -91% | Mar 2026 |
|
| Commerce Bank N A | 4.7k | $842k | -74% | Mar 2026 |
|
| Royal Bank of Canada | 2.7k | $532k | -98% | Mar 2026 |
|
| Worldquant Millennium Quantitative Strategies | 1.3k | $226k | -93% | Mar 2026 |
|
Who sold out of Masimo Corporation?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Naya Capital Management Uk | Dec 2025 | 1.6M | $203M |
| Alyeska Investment Group | Dec 2025 | 1.3M | $164M |
| Viking Global Investors | Dec 2025 | 514k | $67M |
| Norges Bank Investment Management | Dec 2025 | 377k | $49M |
| Bamco | Dec 2025 | 374k | $49M |
| Adage Capital Partners GP | Sep 2025 | 150k | $22M |
| Df Dent & Co | Dec 2025 | 143k | $19M |
| TD Asset Management | Dec 2025 | 115k | $15M |
| Jpmorgan Chase & Co | Sep 2025 | 108k | $16M |
| Falcon Edge Capital | Dec 2025 | 76k | $9.8M |
| Swedbank AB | Dec 2025 | 60k | $7.7M |
| Assenagon Asset Management | Dec 2025 | 54k | $7.0M |
| Bridger Management | Sep 2025 | 48k | $7.1M |
| Capital Fund Management | Dec 2025 | 48k | $6.2M |
| Sofinnova Ventures | Dec 2025 | 46k | $6.0M |
| Walleye Trading Advisors | Dec 2025 | 42k | $5.5M |
| Nordea Investment Management Ab | Dec 2025 | 28k | $3.7M |
| Campbell & Co. Investment Adviser | Dec 2025 | 28k | $3.6M |