MasimoMASI
13F holders, Q2 2024 (June 30)352holders +13
53new positions
41sold out
8famous investors
$125.92avg. 13F price*
At the end of Q2 2024, 352 institutions reported holding Masimo Corp. (MASI) in their 13F filings, up 13 from Q1 2024. 53 opened new positions and 41 sold out. The largest holders were BlackRock Inc. ($1.2B), FMR LLC ($602.7M) and Vanguard Group Inc. ($596.6M). 8 famous investors held it, including Steve Cohen (0.3% of Point72 Asset Management's portfolio), Joel Greenblatt (0.1% of Gotham Asset Management's portfolio) and Ron Baron (0.1% of Baron Capital (BAMCO)'s portfolio).
- Company
- Masimo Corp.
- CUSIP
- 574795100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 53 | $184.6M |
| Exits | 41 | $184.4M |
All 13F filers, Q1 2024 → Q2 2024: 6,072,320 shares bought and 8,260,448 shares sold, net −2,188,128 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 352 holders
| BlackRock Inc. | 0.03% | Add +18.7% | 9,351,239 | $1.2B |
| FMR LLC | 0.04% | Reduce -31.4% | 4,785,735 | $602.7M |
| Vanguard Group Inc. | 0.01% | Add +4.0% | 4,737,351 | $596.6M |
| Politan Capital Management LP | 36.18% | Add +0.0% | 4,714,746 | $593.8M |
| RTW Investments, LP | 2.85% | No change | 1,462,400 | $184.2M |
| State Street Corp. | 0.01% | Add +5.0% | 1,428,635 | $179.9M |
| Thrivent Financial for Lutherans | 0.31% | Add +42.1% | 1,217,357 | $153.3M |
| T. Rowe Price Investment Management, Inc. | 0.09% | Reduce -4.2% | 1,154,351 | $145.4M |
| Westfield Capital Management Co. LP | 0.70% | Add +64.9% | 1,131,686 | $142.5M |
| Farallon Capital Management, L.L.C. | 0.85% | Reduce -24.8% | 1,119,563 | $141.0M |
| Ace Management Global Ltd. | 39.24% | Reduce -9.3% | 1,060,919 | $133.6M |
| Capital Research Global Investors | 0.03% | Reduce -53.4% | 1,057,136 | $133.1M |
| Holocene Advisors, LP | 0.55% | Add +33.3% | 1,037,450 | $130.7M |
| Liontrust Investment Partners LLP | 1.45% | Reduce -2.0% | 808,693 | $101.8M |
| Geode Capital Management, LLC | 0.01% | Add +3.5% | 780,902 | $98.4M |
| Millennium Management | 0.08% | Add +117.2% | 753,743 | $94.9M |
| Massachusetts Financial Services Co. | 0.03% | Reduce -58.1% | 721,726 | $90.9M |
| Point72 Asset Management | 0.28% | Add +107.8% | 677,677 | $85.3M |
| Schroder Investment Management Group | 0.07% | Add +0.2% | 528,623 | $66.6M |
| Dimensional Fund Advisors LP | 0.02% | Add +45.9% | 525,594 | $66.2M |
| Morgan Stanley | 0.00% | Add +0.9% | 475,803 | $59.9M |
| Alyeska Investment Group, L.P. | 0.31% | Add +13.6% | 430,931 | $54.3M |
| Ensemble Capital Management, LLC | 3.99% | Add +11.1% | 407,102 | $51.3M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +3.9% | 393,288 | $49.5M |
| Sumitomo Mitsui Trust Group, Inc. | 0.04% | Reduce -0.2% | 391,026 | $49.2M |
| Bank of New York Mellon Corp | 0.01% | Reduce -0.3% | 389,764 | $49.1M |
| Baron Capital (BAMCO) | 0.13% | Add +0.4% | 347,200 | $43.7M |
| Northern Trust Corp. | 0.01% | Add +14.4% | 317,303 | $40.0M |
| Man Group plc | 0.10% | New | 291,789 | $36.7M |
| Two Sigma Investments, LP | 0.08% | New | 250,956 | $31.6M |
| Citadel Advisors | 0.03% | Reduce -83.1% | 227,490 | $28.7M |
| ExodusPoint Capital Management, LP | 0.28% | New | 202,304 | $25.5M |
| Comerica Bank | 0.10% | Add +85.7% | 190,685 | $24.0M |
| Woodline Partners LP | 0.22% | Add +250.0% | 185,990 | $23.4M |
| Raymond James & Associates | 0.01% | Reduce -0.6% | 180,533 | $22.7M |
| Principal Financial Group Inc. | 0.01% | Reduce -11.4% | 148,651 | $18.7M |
| JPMorgan Chase & Co. | 0.00% | Reduce -58.6% | 148,127 | $18.7M |
| Retirement Systems of Alabama | 0.07% | Reduce -0.5% | 144,238 | $18.2M |
| Balyasny Asset Management L.P. | 0.04% | Reduce -46.9% | 135,719 | $17.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +10.3% | 135,090 | $17.0M |
| Federated Hermes, Inc. | 0.04% | Reduce -13.6% | 134,261 | $16.9M |
| Rockefeller Capital Management L.P. | 0.05% | Add +13.0% | 131,852 | $16.6M |
| Rhumbline Advisers | 0.02% | Reduce -4.0% | 127,773 | $16.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +45.3% | 120,828 | $15.2M |
| Nuveen Asset Management, LLC | 0.00% | Add +29.5% | 115,722 | $14.6M |
| Bank of America Corp. | 0.00% | Reduce -11.7% | 115,029 | $14.5M |
| Two Sigma Advisers, LP | 0.03% | Add +6875.0% | 111,600 | $14.1M |
| Natixis | 0.08% | New | 105,816 | $13.3M |
| Senator Investment Group LP | 0.61% | Reduce -42.5% | 100,000 | $12.6M |
| ING Groep NV | 0.07% | New | 99,000 | $12.5M |
| One Fin Capital Management LP | 4.96% | New | 95,000 | $12.0M |
| Marshall Wace, LLP | 0.02% | Add +5.1% | 94,798 | $11.9M |
| Legal & General Group Plc | 0.00% | Reduce -6.7% | 93,103 | $11.7M |
| Ameriprise Financial Inc. | 0.00% | Add +16.4% | 91,788 | $11.6M |
| Swiss National Bank | 0.01% | Reduce -0.1% | 88,500 | $11.1M |
| Erste Asset Management GmbH | 0.14% | Reduce -26.1% | 85,000 | $10.7M |
| GAMCO Investors | 0.12% | No change | 84,500 | $10.6M |
| Invesco Ltd. | 0.00% | Add +5.1% | 83,051 | $10.5M |
| Gotham Asset Management | 0.13% | Add +4.8% | 80,759 | $10.2M |
| First Trust Advisors LP | 0.01% | Add +27.0% | 79,405 | $10.0M |
| FIL Ltd | 0.01% | Add +4.0% | 76,147 | $9.6M |
| California Public Employees Retirement System | 0.01% | Add +21.3% | 74,713 | $9.4M |
| Susquehanna Portfolio Strategies, LLC | 0.37% | Reduce -1.3% | 71,789 | $9.0M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -4.5% | 68,289 | $8.6M |
| Alliancebernstein L.P. | 0.00% | Add +1.4% | 61,915 | $7.8M |
| Corebridge Financial, Inc. | 0.04% | — | 56,661 | $7.1M |
| Montanaro Asset Management Ltd | 1.26% | Reduce -49.9% | 53,700 | $6.8M |
| Logan Capital Management Inc. | 0.28% | Reduce -0.1% | 51,045 | $6.4M |
| Assenagon Asset Management S.A. | 0.02% | Add +643.8% | 50,740 | $6.4M |
| Wells Fargo & Company | 0.00% | Reduce -25.9% | 49,948 | $6.3M |
| Wilmington Savings Fund Society, FSB | 0.24% | Reduce -1.6% | 49,289 | $6.2M |
| New York State Teachers Retirement System | 0.01% | Reduce -3.4% | 49,048 | $6.2M |
| Norges Bank | 0.00% | Add +41.5% | 48,695 | $6.1M |
| Citigroup Inc. | 0.01% | Reduce -20.0% | 44,720 | $5.6M |
| UBS Group AG | 0.00% | Add +0.3% | 43,861 | $5.5M |
| California State Teachers Retirement System | 0.01% | Reduce -2.3% | 43,761 | $5.5M |
| State Board of Administration of Florida Retirement System | 0.01% | Reduce -21.8% | 42,901 | $5.4M |
| NS Partners Ltd | 0.24% | Add +0.4% | 42,051 | $5.3M |
| National Bank of Canada | 0.01% | New | 44,825 | $5.2M |
| LMR Partners LLP | 0.14% | New | 40,354 | $5.1M |
| New York State Common Retirement Fund | 0.01% | Add +1.0% | 37,742 | $4.8M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -1.4% | 37,735 | $4.8M |
| TD Asset Management Inc | 0.00% | Reduce -1.1% | 33,864 | $4.3M |
| Gabelli Funds LLC | 0.03% | No change | 33,000 | $4.2M |
| PEAK6 Investments LLC | 0.19% | Reduce -16.6% | 32,342 | $4.1M |
| APG Asset Management N.V. | 0.01% | Reduce -9.2% | 33,287 | $3.9M |
| South Dakota Investment Council | 0.08% | Reduce -0.1% | 30,611 | $3.9M |
| Jane Street Group, LLC | 0.00% | Add +21.5% | 29,603 | $3.7M |
| Campbell & CO Investment Adviser LLC | 0.31% | Add +892.8% | 28,750 | $3.6M |
| Storebrand Asset Management As | 0.01% | Reduce -0.6% | 28,018 | $3.5M |
| HSBC Holdings PLC | 0.00% | Add +382.5% | 27,609 | $3.5M |
| CANADA LIFE ASSURANCE Co | 0.01% | Add +7.7% | 27,414 | $3.5M |
| Boothbay Fund Management, LLC | 0.12% | Add +1471.5% | 27,391 | $3.4M |
| Zacks Investment Management | 0.04% | Add +7.0% | 26,854 | $3.4M |
| Royal Bank of Canada | 0.00% | Add +1.1% | 26,841 | $3.4M |
| Brown Capital Management LLC | 0.07% | Reduce -0.1% | 26,811 | $3.4M |
| Mutual of America Capital Management LLC | 0.04% | Reduce -3.5% | 25,532 | $3.2M |
| CenterBook Partners LP | 0.20% | Reduce -38.8% | 25,293 | $3.2M |
| Point72 Hong Kong Ltd | 0.19% | New | 25,276 | $3.2M |
| Pura Vida Investments, LLC | 3.81% | New | 25,000 | $3.1M |
"% of holder's portfolio" is MASI's weight in each manager's 13F, not the share of Masimo Corp. the manager owns.