Masimo Corp Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 02/12/2026 | 8.86 M | $1,151.76 B | -14.53% | 16.40% |
| VANGUARD GROUP INC | 01/29/2026 | 4.35 M | $565.60 M | -9.59% | 8.05% |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 01/22/2026 | 2.66 M | $346.46 M | 1.68% | 4.93% |
| NAYA CAPITAL MANAGEMENT UK LTD | 02/18/2026 | 1.56 M | $202.98 M | 100.00% | 2.89% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 02/11/2026 | 1.52 M | $197.96 M | 7.24% | 2.82% |
| STATE STREET CORP | 02/13/2026 | 1.42 M | $184.06 M | -4.67% | 2.62% |
| ALYESKA INVESTMENT GROUP, L.P. | 02/13/2026 | 1.26 M | $163.79 M | -8.82% | 2.33% |
| AQR CAPITAL MANAGEMENT LLC | 02/17/2026 | 1.09 M | $141.94 M | 3,416.55% | 2.02% |
| GEODE CAPITAL MANAGEMENT, LLC | 02/09/2026 | 953.98 K | $124.10 M | 1.22% | 1.77% |
| MORGAN STANLEY | 02/13/2026 | 920.74 K | $119.75 M | 33.32% | 1.71% |
| CAPITAL RESEARCH GLOBAL INVESTORS | 02/11/2026 | 637.89 K | $82.96 M | -65.60% | 1.18% |
| GOLDMAN SACHS GROUP INC | 02/10/2026 | 636.70 K | $82.81 M | -14.47% | 1.18% |
| UBS GROUP AG | 01/29/2026 | 599.27 K | $77.94 M | 252.93% | 1.11% |
| SQUAREPOINT OPS LLC | 02/13/2026 | 583.75 K | $75.92 M | -5.99% | 1.08% |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 02/13/2026 | 475.50 K | $62.32 M | 41.25% | 0.88% |
| NORGES BANK | 02/10/2026 | 377.42 K | $49.09 M | 100.00% | 0.70% |
| BAMCO INC /NY/ | 02/17/2026 | 373.90 K | $48.63 M | -3.82% | 0.69% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 02/13/2026 | 361.90 K | $47.07 M | -0.70% | 0.67% |
| BANK OF NEW YORK MELLON CORP | 02/10/2026 | 308.49 K | $40.12 M | -1.32% | 0.57% |
| BANK OF AMERICA CORP /DE/ | 02/17/2026 | 284.70 K | $37.03 M | -29.71% | 0.53% |
| BNP PARIBAS ASSET MANAGEMENT HOLDING S.A. | 02/13/2026 | 232.57 K | $30.25 M | 41.01% | 0.43% |
| NUVEEN, LLC | 02/12/2026 | 224.07 K | $29.14 B | -0.73% | 0.41% |
| MARSHALL WACE, LLP | 02/13/2026 | 219.31 K | $28.52 M | 63.52% | 0.41% |
| PARKMAN HEALTHCARE PARTNERS LLC | 02/17/2026 | 200.00 K | $26.01 M | 100.00% | 0.37% |
| ERSTE ASSET MANAGEMENT GMBH | 02/11/2026 | 200.00 K | $26.01 M | 25.00% | 0.37% |
| MILLENNIUM MANAGEMENT LLC | 02/17/2026 | 187.97 K | $24.45 M | 1,065.24% | 0.35% |
| RAYMOND JAMES FINANCIAL INC | 02/18/2026 | 186.51 K | $24.26 M | -4.85% | 0.35% |
| AMERICAN CENTURY COMPANIES INC | 02/13/2026 | 178.76 K | $23.25 M | 6.19% | 0.33% |
| DIMENSIONAL FUND ADVISORS LP | 02/12/2026 | 173.95 K | $22.62 M | -33.01% | 0.32% |
| RHUMBLINE ADVISERS | 02/13/2026 | 124.56 K | $16.20 M | -1.62% | 0.23% |
| CITIGROUP INC | 02/13/2026 | 121.23 K | $15.77 M | 3.91% | 0.22% |
| GW&K INVESTMENT MANAGEMENT, LLC | 02/11/2026 | 119.36 K | $15.52 M | -3.78% | 0.22% |
| UBS ASSET MANAGEMENT AMERICAS INC | 02/13/2026 | 118.96 K | $15.47 M | 9.03% | 0.22% |
| JPMORGAN CHASE & CO | 02/11/2026 | 117.80 K | $15.32 M | 9.13% | 0.22% |
| TD ASSET MANAGEMENT INC | 02/10/2026 | 114.51 K | $14.89 M | 6.17% | 0.21% |
| JANE STREET GROUP, LLC | 02/12/2026 | 102.88 K | $13.38 M | 100.00% | 0.19% |
| PRINCIPAL FINANCIAL GROUP INC | 02/02/2026 | 97.86 K | $12.73 M | -4.23% | 0.18% |
| HRT FINANCIAL LP | 02/12/2026 | 92.78 K | $12.07 M | 100.00% | 0.17% |
| LEGAL & GENERAL GROUP PLC | 02/09/2026 | 92.44 K | $12.02 M | -9.97% | 0.17% |
| SWISS NATIONAL BANK | 02/12/2026 | 91.10 K | $11.85 M | 2.02% | 0.17% |
| TOROSO INVESTMENTS, LLC | 02/13/2026 | 85.29 K | $11.09 M | -35.65% | 0.16% |
| GAMCO INVESTORS, INC. ET AL | 02/05/2026 | 83.00 K | $10.79 M | -0.95% | 0.15% |
| ALPHA WAVE GLOBAL, LP | 02/13/2026 | 75.55 K | $9.83 M | -22.19% | 0.14% |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | 02/12/2026 | 63.36 K | $8.24 M | -19.25% | 0.12% |
| RENAISSANCE TECHNOLOGIES LLC | 02/12/2026 | 59.90 K | $7.79 M | 100.00% | 0.11% |
| SWEDBANK AB | 02/09/2026 | 59.50 K | $7.74 M | -11.85% | 0.11% |
| BARCLAYS PLC | 02/13/2026 | 58.36 K | $7.59 M | -24.99% | 0.11% |
| QUANTBOT TECHNOLOGIES LP | 02/10/2026 | 56.93 K | $7.40 M | 100.00% | 0.11% |
| RETIREMENT SYSTEMS OF ALABAMA | 01/15/2026 | 54.80 K | $7.13 M | -1.86% | 0.10% |
| ASSENAGON ASSET MANAGEMENT S.A. | 01/09/2026 | 53.53 K | $6.96 M | 2,078.47% | 0.10% |
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Masimo Corp institutional Ownership - FAQ's
During the previous two years, 543 institutional investors and hedge funds held shares of Masimo Corp. The most heavily invested institutionals were:
BlackRock, Inc.: 8.86 M
VANGUARD GROUP INC: 4.35 M
MASSACHUSETTS FINANCIAL SERVICES CO /MA/: 2.66 M
NAYA CAPITAL MANAGEMENT UK LTD: 1.56 M
WESTFIELD CAPITAL MANAGEMENT CO LP: 1.52 M
STATE STREET CORP: 1.42 M
98.00% of Masimo Corp stock is owned by institutional investors.
Institutional investors have bought a total of 58.31 M shares in the last 24 months. This purchase volume represents approximately $10.24 B in transactions.