Fund shareholders of Masimo Corp
ISIN US5747951003 · United States · LEI 549300Q4A8JK0PIYCU29
- Fund shareholders
- 336
- Of which ETFs
- 97 239 other funds
- Value held
- 2.7B $ 2.2M € · 25M SEK
- Share of capital
- 29.1 % of 52.4M shares on Apr 4, 2026
336 funds hold this company. This table lists the 335 that declare it in a regulatory filing. 1 more fund publishes its holdings in its own report. It is not in the table.
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| MidCap S&P 400 Index Fund Principal Funds, Inc | 17,466 | 3.1M $ | 0.24 % | 0.03 % | as of Apr 30, 2026 ↗ |
| MOA MID CAP EQUITY INDEX FUND MoA Funds Corp | 17,211 | 3.1M $ | 0.25 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Morningstar Alternatives Fund Morningstar Funds Trust | 17,128 | 3.1M $ | 1.18 % | 0.03 % | as of Apr 30, 2026 ↗ |
| iShares Russell 2500 ETF iShares Trust | 16,899 | 3M $ | 0.12 % | 0.03 % | as of Mar 31, 2026 ↗ |
| AltShares Merger Arbitrage ETF AltShares Trust | 16,593 | 2.9M $ | 2.81 % | 0.03 % | as of Feb 28, 2026 ↗ |
| iShares Core S&P U.S. Value ETF iShares Trust | 16,292 | 2.9M $ | 0.01 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Mid Cap Index Trust John Hancock Variable Insurance Trust | 16,218 | 2.9M $ | 0.25 % | 0.03 % | as of Mar 31, 2026 ↗ |
| VANGUARD S&P MID-CAP 400 VALUE INDEX FUND VANGUARD ADMIRAL FUNDS | 16,172 | 2.8M $ | 0.21 % | 0.03 % | as of Feb 28, 2026 ↗ |
| Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust | 16,039 | 2.9M $ | 0.12 % | 0.03 % | as of Apr 30, 2026 ↗ |
| STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST | 15,809 | 2.8M $ | 0.11 % | 0.03 % | as of Mar 31, 2026 ↗ |
| NVIT Mid Cap Index Fund Nationwide Variable Insurance Trust | 15,691 | 2.8M $ | 0.25 % | 0.03 % | as of Mar 31, 2026 ↗ |
| MetLife Mid Cap Stock Index Portfolio Brighthouse Funds Trust II | 15,495 | 2.8M $ | 0.24 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Handelsbanken Global Småbolag Index Criteria Handelsbanken Fonder AB | 14,730 | 25M SEK | 0.09 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Schwab 1000 Index Fund SCHWAB INVESTMENTS | 14,339 | 2.6M $ | 0.01 % | 0.03 % | as of Apr 30, 2026 ↗ |
| Fidelity Nasdaq Composite Index ETF Fidelity Commonwealth Trust | 13,629 | 2.4M $ | 0.03 % | 0.03 % | as of Feb 28, 2026 ↗ |
| State Street(R) SPDR(R) S&P(R) Health Care Equipment ETF SPDR SERIES TRUST | 13,401 | 2.4M $ | 1.76 % | 0.03 % | as of Mar 31, 2026 ↗ |
| LVIP SSGA Mid-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 13,333 | 2.4M $ | 0.25 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Nuance Concentrated Value Fund Managed Portfolio Series | 12,773 | 2.3M $ | 5.33 % | 0.02 % | as of Apr 30, 2026 ↗ |
| iShares ESG Aware MSCI USA Small-Cap ETF iShares Trust | 12,300 | 2.2M $ | 0.09 % | 0.02 % | as of Feb 28, 2026 ↗ |
| iShares Russell 3000 ETF iShares Trust | 11,642 | 2.1M $ | 0.01 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Global X HealthTech ETF GLOBAL X FUNDS | 11,249 | 2M $ | 5.56 % | 0.02 % | as of Feb 28, 2026 ↗ |
| State Street Institutional Small-Cap Equity Fund STATE STREET INSTITUTIONAL FUNDS | 10,440 | 1.9M $ | 0.40 % | 0.02 % | as of Mar 31, 2026 ↗ |
| VANGUARD ESG U.S. STOCK ETF VANGUARD WORLD FUND | 10,415 | 1.8M $ | 0.02 % | 0.02 % | as of Feb 28, 2026 ↗ |
| THRIVENT MID CAP INDEX PORTFOLIO Thrivent Series Fund, Inc. | 10,287 | 1.8M $ | 0.25 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Paradigm Select Fund PARADIGM FUNDS | 10,200 | 1.8M $ | 1.30 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Mercer US Small/Mid Cap Equity Fund Mercer Funds | 9,920 | 1.8M $ | 0.10 % | 0.02 % | as of Mar 31, 2026 ↗ |
| EQ/400 Managed Volatility Portfolio EQ Advisors Trust | 9,811 | 1.7M $ | 0.23 % | 0.02 % | as of Mar 31, 2026 ↗ |
| WisdomTree U.S. MidCap Fund WisdomTree Trust | 9,626 | 1.7M $ | 0.21 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Nuveen Small/Mid Cap Growth Opportunities Fund Nuveen Investment Funds, Inc. | 9,620 | 1.7M $ | 1.01 % | 0.02 % | as of Apr 30, 2026 ↗ |
| 1290 VT GAMCO Mergers & Acquisitions Portfolio EQ Advisors Trust | 9,500 | 1.7M $ | 0.99 % | 0.02 % | as of Mar 31, 2026 ↗ |
| State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF SPDR SERIES TRUST | 9,185 | 1.6M $ | 0.01 % | 0.02 % | as of Mar 31, 2026 ↗ |
| iShares Morningstar Small-Cap Growth ETF iShares Trust | 9,005 | 1.6M $ | 0.17 % | 0.02 % | as of Apr 30, 2026 ↗ |
| Schwab U.S. Mid-Cap Index Fund SCHWAB CAPITAL TRUST | 8,635 | 1.5M $ | 0.06 % | 0.02 % | as of Apr 30, 2026 ↗ |
| Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust | 8,530 | 1.5M $ | 0.02 % | 0.02 % | as of Mar 31, 2026 ↗ |
| CVT S&P MidCap 400 Index Portfolio Calvert Variable Trust, Inc. | 8,411 | 1.5M $ | 0.24 % | 0.02 % | as of Mar 31, 2026 ↗ |
| iShares Russell Mid-Cap Index Fund BlackRock Funds | 7,871 | 1.4M $ | 0.06 % | 0.02 % | as of Apr 30, 2026 ↗ |
| AB All Market Total Return Portfolio AB PORTFOLIOS | 7,640 | 1.3M $ | 0.31 % | 0.01 % | as of Feb 28, 2026 ↗ |
| BNY Mellon US Mid Cap Core Equity ETF BNY Mellon ETF Trust | 7,464 | 1.3M $ | 0.21 % | 0.01 % | as of Apr 30, 2026 ↗ |
| VANGUARD RUSSELL 1000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 7,392 | 1.3M $ | 0.01 % | 0.01 % | as of Feb 28, 2026 ↗ |
| T. Rowe Price Extended Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. | 7,212 | 1.3M $ | 0.13 % | 0.01 % | as of Mar 31, 2026 ↗ |
| AVIP S&P MidCap 400 Index Portfolio AuguStar Variable Insurance Products Fund Inc | 7,200 | 1.3M $ | 0.25 % | 0.01 % | as of Mar 31, 2026 ↗ |
| iShares Russell Small/Mid-Cap Index Fund BlackRock Funds | 7,162 | 1.3M $ | 0.10 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Water Island Event-Driven Fund ARBITRAGE FUNDS | 7,124 | 1.2M $ | 2.49 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Avantis U.S. Mid Cap Value ETF American Century ETF Trust | 7,026 | 1.2M $ | 0.24 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Invesco RAFI US 1000 ETF Invesco Exchange-Traded Fund Trust | 6,972 | 1.2M $ | 0.01 % | 0.01 % | as of Apr 30, 2026 ↗ |
| SA Mid Cap Index Portfolio SUNAMERICA SERIES TRUST | 6,911 | 1.2M $ | 0.24 % | 0.01 % | as of Apr 30, 2026 ↗ |
| SIIT EXTENDED MARKET INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 6,793 | 1.2M $ | 0.10 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Schwab U.S. Large-Cap Growth Index Fund SCHWAB CAPITAL TRUST | 6,778 | 1.2M $ | 0.03 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Fidelity Flex Mid Cap Index Fund Fidelity Salem Street Trust | 6,626 | 1.2M $ | 0.20 % | 0.01 % | as of Apr 30, 2026 ↗ |
| JNL Multi-Manager Alternative Fund JNL Series Trust | 6,561 | 1.2M $ | 0.13 % | 0.01 % | as of Mar 31, 2026 ↗ |
| AZL Mid Cap Index Fund Allianz Variable Insurance Products Trust | 6,364 | 1.1M $ | 0.25 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Nationwide Mid Cap Market Index Fund Nationwide Mutual Funds | 6,348 | 1.1M $ | 0.24 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Virtus Westchester Event-Driven Fund Virtus Event Opportunities Trust | 6,263 | 1.1M $ | 0.86 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Invesco S&P Midcap 400 QVM Multi-Factor ETF Invesco Exchange-Traded Fund Trust II | 6,194 | 1.1M $ | 0.27 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Calvert U.S. Large Cap Core Responsible Index Fund Calvert Responsible Index Series, Inc. | 5,931 | 1.1M $ | 0.02 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Leadershares Alphafactor US Core Equity ETF Two Roads Shared Trust | 5,835 | 1M $ | 0.92 % | 0.01 % | as of Apr 30, 2026 ↗ |
| EQ/Common Stock Index Portfolio EQ Advisors Trust | 5,700 | 1M $ | 0.01 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Invesco S&P MidCap 400 Revenue ETF Invesco Exchange-Traded Fund Trust II | 5,637 | 988.4K $ | 0.09 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Victory Extended Market Index Fund Victory Portfolios III | 5,629 | 1M $ | 0.13 % | 0.01 % | as of Apr 30, 2026 ↗ |
| iShares ESG Select Screened S&P Mid-Cap ETF iShares Trust | 5,569 | 990.6K $ | 0.29 % | 0.01 % | as of Mar 31, 2026 ↗ |
| First Trust Merger Arbitrage ETF First Trust Exchange-Traded Fund III | 5,340 | 952.8K $ | 3.80 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Baird Small/Mid Cap Growth Fund Baird Funds Inc | 5,261 | 935.8K $ | 1.22 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Pacer Trendpilot US Mid Cap ETF Pacer Funds Trust | 5,240 | 935K $ | 0.24 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Gotham 1000 Value ETF Tidal Trust I | 5,129 | 912.3K $ | 0.43 % | 0.01 % | as of Mar 31, 2026 ↗ |
| THRIVENT SMALL CAP GROWTH PORTFOLIO Thrivent Series Fund, Inc. | 5,046 | 897.5K $ | 0.74 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Strategic Equity Allocation Trust John Hancock Variable Insurance Trust | 4,974 | 884.7K $ | 0.02 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Invesco Russell 1000 Equal Weight ETF Invesco Exchange-Traded Fund Trust II | 4,604 | 807.3K $ | 0.10 % | 0.01 % | as of Feb 28, 2026 ↗ |
| The Gabelli ABC Fund Gabelli Investor Funds Inc | 4,500 | 800.4K $ | 0.19 % | 0.01 % | as of Mar 31, 2026 ↗ |
| VANGUARD TAX-MANAGED BALANCED FUND VANGUARD TAX-MANAGED FUNDS | 4,498 | 800.1K $ | 0.01 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Tema Heart & Health ETF Tema ETF Trust | 4,286 | 751.6K $ | 1.36 % | 0.01 % | as of Feb 28, 2026 ↗ |
| EQ/Large Cap Growth Index Portfolio EQ Advisors Trust | 4,028 | 716.5K $ | 0.03 % | 0.01 % | as of Mar 31, 2026 ↗ |
| THRIVENT MODERATELY AGGRESSIVE ALLOCATION PORTFOLIO Thrivent Series Fund, Inc. | 4,008 | 712.9K $ | 0.01 % | 0.01 % | as of Mar 31, 2026 ↗ |
| iShares Morningstar Small-Cap Value ETF iShares Trust | 3,964 | 707.3K $ | 0.11 % | 0.01 % | as of Apr 30, 2026 ↗ |
| SIMT Tax-Managed Small/Mid Cap Fund SEI INSTITUTIONAL MANAGED TRUST | 3,863 | 687.1K $ | 0.10 % | 0.01 % | as of Mar 31, 2026 ↗ |
| ATM Mid Cap Managed Volatility Portfolio EQ Advisors Trust | 3,818 | 679.1K $ | 0.23 % | 0.01 % | as of Mar 31, 2026 ↗ |
| T. Rowe Price Mid-Cap Index Fund T. ROWE PRICE INDEX TRUST, INC. | 3,788 | 673.8K $ | 0.18 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Fidelity Series Large Cap Growth Index Fund Fidelity Salem Street Trust | 3,753 | 669.6K $ | 0.03 % | 0.01 % | as of Apr 30, 2026 ↗ |
| BlackRock Advantage SMID Cap Fund, Inc. BlackRock Advantage SMID Cap Fund, Inc. | 3,723 | 662.2K $ | 0.09 % | 0.01 % | as of Mar 31, 2026 ↗ |
| VANGUARD RUSSELL 3000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 3,666 | 642.8K $ | 0.01 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Venerable Mid Cap Index Fund Venerable Variable Insurance Trust | 3,648 | 648.9K $ | 0.06 % | 0.01 % | as of Mar 31, 2026 ↗ |
| iShares MSCI World Small-Cap ETF iShares Trust | 3,625 | 635.6K $ | 0.07 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Schwab 1000 Index ETF SCHWAB STRATEGIC TRUST | 3,491 | 612.1K $ | 0.01 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Global Atlantic BlackRock Disciplined Mid Cap Growth Portfolio Forethought Variable Insurance Trust | 3,357 | 597.1K $ | 0.25 % | 0.01 % | as of Mar 31, 2026 ↗ |
| SFT Index 400 Mid-Cap Fund Securian Funds Trust | 3,333 | 592.8K $ | 0.25 % | 0.01 % | as of Mar 31, 2026 ↗ |
| JNL/Mellon U.S. Stock Market Index Fund JNL Series Trust | 3,324 | 591.2K $ | 0.01 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Avantis U.S. Large Cap Equity ETF American Century ETF Trust | 3,266 | 572.7K $ | 0.06 % | 0.01 % | as of Feb 28, 2026 ↗ |
| EQ/Large Cap Growth Managed Volatility Portfolio EQ Advisors Trust | 3,211 | 571.1K $ | 0.01 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Avantis U.S. Large Cap Value Fund American Century ETF Trust | 3,078 | 539.7K $ | 0.08 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Avantis U.S. Equity Fund American Century ETF Trust | 3,071 | 538.5K $ | 0.06 % | 0.01 % | as of Feb 28, 2026 ↗ |
| iShares U.S. Carbon Transition Readiness Aware Active ETF BlackRock ETF Trust | 3,058 | 545.6K $ | 0.04 % | 0.01 % | as of Apr 30, 2026 ↗ |
| VIP Extended Market Index Portfolio Variable Insurance Products Fund II | 3,049 | 542.3K $ | 0.12 % | 0.01 % | as of Mar 31, 2026 ↗ |
| iShares Total U.S. Stock Market Index Fund BlackRock Funds | 2,954 | 527.1K $ | 0.01 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Federated Hermes Mid-Cap Index Fund Federated Hermes Index Trust | 2,921 | 521.2K $ | 0.19 % | 0.01 % | as of Apr 30, 2026 ↗ |
| NAA SMALL CAP VALUE SERIES New Age Alpha Variable Funds Trust | 2,894 | 514.8K $ | 1.05 % | 0.01 % | as of Mar 31, 2026 ↗ |
| THRIVENT MODERATE ALLOCATION PORTFOLIO Thrivent Series Fund, Inc. | 2,763 | 491.5K $ | 0.01 % | 0.01 % | as of Mar 31, 2026 ↗ |
| JNL/RAFI Multi-Factor U.S. Equity Fund JNL Series Trust | 2,680 | 476.7K $ | 0.02 % | 0.01 % | as of Mar 31, 2026 ↗ |
| JNL/RAFI Fundamental U.S. Small Cap Fund JNL Series Trust | 2,618 | 465.7K $ | 0.13 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Global Multi-Strategy Fund Principal Funds, Inc | 2,612 | 458K $ | 0.09 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Amplify Etho Climate Leadership U.S. ETF Amplify ETF Trust | 2,580 | 458.9K $ | 0.30 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Adara Smaller Companies Fund RBB Fund, Inc. | 2,530 | 443.6K $ | 0.06 % | 0.00 % | as of Feb 28, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| Return Stacked Bonds & Merger Arbitrage ETF Tidal Trust II | 12.48 % | as of Apr 30, 2026 ↗ |
| Global X HealthTech ETF GLOBAL X FUNDS | 5.56 % | as of Feb 28, 2026 ↗ |
| Nuance Concentrated Value Fund Managed Portfolio Series | 5.33 % | as of Apr 30, 2026 ↗ |
| First Trust Merger Arbitrage Fund INVESTMENT MANAGERS SERIES TRUST II | 4.53 % | as of Mar 31, 2026 ↗ |
| First Trust Merger Arbitrage ETF First Trust Exchange-Traded Fund III | 3.80 % | as of Apr 30, 2026 ↗ |
| Nexpoint Merger Arbitrage Fund NexPoint Funds I | 3.80 % | as of Mar 31, 2026 ↗ |
| Comstock Capital Value Fund Comstock Funds, Inc. | 3.03 % | as of Mar 31, 2026 ↗ |
| Dunham Monthly Distribution Fund Dunham Funds | 3.02 % | as of Apr 30, 2026 ↗ |
| AltShares Merger Arbitrage ETF AltShares Trust | 2.81 % | as of Feb 28, 2026 ↗ |
| Nuance Mid Cap Value Fund Managed Portfolio Series | 2.75 % | as of Apr 30, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q2 | 327 | -52 | 15,201,888 | -38.5 % |
| 2026Q1 | 379 | +13 | 24,728,449 | -9.5 % |
| 2025Q4 | 366 | -30 | 27,325,234 | -0.1 % |
| 2025Q3 | 396 | -23 | 27,353,372 | +2.6 % |
| 2025Q2 | 419 | +34 | 26,670,730 | +1.7 % |
| 2025Q1 | 385 | +7 | 26,226,705 | +13.3 % |
| 2024Q4 | 378 | +32 | 23,140,109 | +13.7 % |
| 2024Q3 | 346 | -24 | 20,346,234 | -15.7 % |
| 2024Q2 | 370 | +1 | 24,134,251 | +1.2 % |
| 2024Q1 | 369 | +9 | 23,840,451 | +15.9 % |
| 2023Q4 | 360 | 20,571,206 |
Institutional managers
432 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| Manager | Shares | Value | |
|---|---|---|---|
| BlackRock, Inc. | 4,644,578 | 826.1M $ | as of Mar 31, 2026 |
| Politan Capital Management LP | 4,589,648 | 816.4M $ | as of Mar 31, 2026 |
| Pentwater Capital Management LP | 3,176,000 | 564.9M $ | as of Mar 31, 2026 |
| BARCLAYS PLC | 2,743,985 | 488.1M $ | as of Mar 31, 2026 |
| HBK INVESTMENTS L P | 2,576,109 | 458.2M $ | as of Mar 31, 2026 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 2,342,790 | 416.7M $ | as of Mar 31, 2026 |
| FMR LLC | 1,450,823 | 258.1M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 1,437,724 | 255.7M $ | as of Mar 31, 2026 |
| MILLENNIUM MANAGEMENT LLC | 988,853 | 175.9M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 984,192 | 175.1M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 956,736 | 170.2M $ | as of Mar 31, 2026 |
| AQR CAPITAL MANAGEMENT LLC | 831,966 | 147.4M $ | as of Mar 31, 2026 |
| Balyasny Asset Management L.P. | 770,986 | 137.1M $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 752,417 | 133.8M $ | as of Mar 31, 2026 |
| JPMORGAN CHASE & CO | 572,645 | 101.5M $ | as of Mar 31, 2026 |
| CITIGROUP INC | 533,388 | 94.9M $ | as of Mar 31, 2026 |
| SG Americas Securities, LLC | 522,824 | 93K $ | as of Mar 31, 2026 |
| FIL Ltd | 482,000 | 85.7M $ | as of Mar 31, 2026 |
| First Trust Capital Management L.P. | 479,403 | 85.3M $ | as of Mar 31, 2026 |
| HSBC HOLDINGS PLC | 473,434 | 84.3M $ | as of Mar 31, 2026 |
| UBS Group AG | 468,257 | 83.3M $ | as of Mar 31, 2026 |
| ALLIANCEBERNSTEIN L.P. | 455,354 | 59.2M $ | as of Mar 31, 2026 |
| Magnetar Financial LLC | 427,081 | 76M $ | as of Mar 31, 2026 |
| AQR Arbitrage LLC | 416,956 | 73.9M $ | as of Mar 31, 2026 |
| NEUBERGER BERMAN GROUP LLC | 403,309 | 71.7M $ | as of Mar 31, 2026 |
Declared shareholders of Masimo Corp
There are 5 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| Joe Kiani | 6.50 % | 3,657,039 | as of Mar 31, 2026 · SCHEDULE 13G |
| Pentwater Capital Management LP and 1 other | 6.10 % | 3,176,000 | as of Mar 31, 2026 · SCHEDULE 13G |
| Barclays PLC | 5.54 % | 2,892,262 | as of Mar 31, 2026 · SCHEDULE 13G |
| BlackRock Portfolio Management LLC | 0.20 % | 116,871 | as of Mar 31, 2026 · SCHEDULE 13G |
| Politan Capital Management LP and 3 others | 0.00 % | 0 | as of Jun 10, 2026 · SCHEDULE 13D |
Cite this page
Titelia. "Fund shareholders of Masimo Corp". https://titelia.com/en/stocks/masimo-corp-US5747951003