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, Q1 2025
Institutional positions in Masimo Corp as of Mar 31, 2025. 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
- 393
- +31 vs. Q4 2024
- Shares held
- 54.2M
- +2.83M (+5.5%) vs. Q4 2024
- Total value
- $9.02B
- +$532.2M (+6.3%) vs. Q4 2024
- New holders
- 77
- 136 more added
- Sold out
- 46
- 118 more reduced
4 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tema ETFs LLC | 4,543 | $756.9K | 0.23% | −5,037−52.6% | Reduced |
| Quantitative Investment Management, LLC | 4,462 | $743.0K | 0.07% | −480−9.7% | Reduced |
| Assenagon Asset Management S.A. | 4,379 | $729.5K | 0.00% | −211,672−98.0% | Reduced |
| US Bancorp | 4,326 | $720.7K | 0.00% | +46+1.1% | Added |
| Private Advisor Group, LLC | 4,255 | $708.9K | 0.00% | −5−0.1% | Reduced |
| Steel Peak Wealth Management LLC | 4,070 | $678.1K | 0.03% | −35−0.9% | Reduced |
| Quadrant Capital Group LLC | 4,048 | $674.4K | 0.03% | +2,640+187.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 4,039 | $672.9K | 0.00% | +115+2.9% | Added |
| Pinebridge Investments, L.P. | 3,954 | $658.7K | 0.01% | +3,954 | New |
| Harvest Fund Management Co., Ltd | 3,929 | $654.0K | 0.03% | +38+1.0% | Added |
| Kovitz Investment Group Partners, LLC | 3,916 | $652.4K | 0.00% | +24+0.6% | Added |
| Vestcor Inc | 3,825 | $637.0K | 0.02% | +3,825 | New |
| SummitTX Capital, L.P. | 3,773 | $628.6K | 0.03% | +3,773 | New |
| Verus Capital Partners, LLC | 3,651 | $608.3K | 0.06% | 00.0% | Unchanged |
| Inceptionr LLC | 3,583 | $596.9K | 0.18% | +791+28.3% | Added |
| Exchange Traded Concepts, LLC | 3,539 | $589.6K | 0.01% | −7,013−66.5% | Reduced |
| Securian Asset Management, Inc | 3,433 | $571.9K | 0.02% | +100+3.0% | Added |
| Oxford Financial Group Ltd | 3,430 | $571.4K | 0.04% | 00.0% | Unchanged |
| Oppenheimer Asset Management Inc. | 3,316 | $552.4K | 0.01% | −1,252−27.4% | Reduced |
| Vestmark Advisory Solutions, Inc. | 3,274 | $545.4K | 0.01% | +189+6.1% | Added |
| Truist Financial Corp | 3,198 | $532.8K | 0.00% | −187−5.5% | Reduced |
| Prudential Financial Inc | 3,190 | $531.5K | 0.00% | +739+30.2% | Added |
| Crossmark Global Holdings, Inc. | 3,173 | $528.6K | 0.01% | +13+0.4% | Added |
| Lido Advisors, LLC | 3,127 | $521.0K | 0.00% | −229−6.8% | Reduced |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 2,980 | $496.5K | 0.02% | −299−9.1% | Reduced |
| Malaga Cove Capital, LLC | 2,906 | $484.1K | 0.21% | −78−2.6% | Reduced |
| Kestra Private Wealth Services, LLC | 2,892 | $481.8K | 0.01% | +2,892 | New |
| Empowered Funds, LLC | 2,864 | $477.1K | 0.01% | −1,027−26.4% | Reduced |
| United Services Automobile Association | 2,912 | $476.3K | 0.01% | +2,912 | New |
| Vident Advisory, LLC | 2,798 | $466.1K | 0.01% | +2,798 | New |
| 180 Wealth Advisors, LLC | 2,757 | $459.3K | 0.07% | +4+0.1% | Added |
| Bridgefront Capital, LLC | 2,670 | $444.8K | 0.13% | +2,670 | New |
| Buckhead Capital Management LLC | 2,650 | $441.5K | 0.14% | 00.0% | Unchanged |
| Wesleyan Assurance Society | 2,550 | $424.0K | 0.03% | 00.0% | Unchanged |
| KCM Investment Advisors LLC | 2,515 | $419.0K | 0.02% | +100+4.1% | Added |
| Mariner, LLC | 2,405 | $400.3K | 0.00% | −1,054−30.5% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 2,402 | $400.2K | 0.00% | +41+1.7% | Added |
| Simplex Trading, LLC | 2,338 | $389.0K | 0.01% | +1,513+183.4% | Added |
| Utah Retirement Systems | 2,300 | $383.2K | 0.00% | 00.0% | Unchanged |
| Coldstream Capital Management Inc | 2,273 | $378.7K | 0.01% | −18−0.8% | Reduced |
| New Age Alpha Advisors, LLC | 2,270 | $378.2K | 0.02% | −1,701−42.8% | Reduced |
| MML Investors Services, LLC | 2,195 | $366.0K | 0.00% | +228+11.6% | Added |
| M&T Bank Corp | 2,184 | $364.0K | 0.00% | −476−17.9% | Reduced |
| BancorpSouth Bank | 2,172 | $361.9K | 0.03% | 00.0% | Unchanged |
| Hardy Reed LLC | 2,172 | $361.6K | 0.03% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 2,118 | $352.9K | 0.00% | −9,273−81.4% | Reduced |
| Atria Investments LLC | 2,117 | $352.7K | 0.00% | +91+4.5% | Added |
| KBC Group NV | 2,105 | $351.0K | 0.00% | −17,017−89.0% | Reduced |
| Northwest & Ethical Investments L.P. | 2,100 | $349.3K | 0.01% | +1,400+200.0% | Added |
| Jane Street Group, LLC | 2,050 | $341.5K | 0.00% | −28,437−93.3% | Reduced |
| Maryland State Retirement & Pension System | 2,028 | $337.9K | 0.01% | −419−17.1% | Reduced |
| Alamea Verwaltungs GmbH | 1,963 | $327.0K | 0.28% | +1,963 | New |
| Allianz Asset Management GmbH | 1,912 | $318.5K | 0.00% | +33+1.8% | Added |
| North Star Asset Management Inc | 1,910 | $318.2K | 0.01% | −655−25.5% | Reduced |
| ProShare Advisors LLC | 1,894 | $315.5K | 0.00% | −184−8.9% | Reduced |
| SeaCrest Wealth Management, LLC | 1,840 | $306.5K | 0.03% | +50+2.8% | Added |
| Entropy Technologies, LP | 1,803 | $300.4K | 0.03% | +1,803 | New |
| Janney Montgomery Scott LLC | 1,762 | $294.0K | 0.00% | −1,590−47.4% | Reduced |
| CIBC Asset Management Inc | 1,669 | $278.1K | 0.00% | +38+2.3% | Added |
| Shelton Capital Management | 1,644 | $273.9K | 0.01% | −69−4.0% | Reduced |
| O'Shaughnessy Asset Management, LLC | 1,635 | $272.4K | 0.00% | −29,740−94.8% | Reduced |
| Aigen Investment Management, LP | 1,627 | $271.1K | 0.04% | +1,627 | New |
| Pitcairn Co | 1,625 | $270.7K | 0.02% | −5−0.3% | Reduced |
| SG Americas Securities, LLC | 1,623 | $270.0K | 0.00% | +1,623 | New |
| M&G Plc | 1,610 | $268.9K | 0.00% | 00.0% | Unchanged |
| Silver Oak Securities, Inc | 1,638 | $267.9K | 0.03% | +1,638 | New |
| Mission Wealth Management, LP | 1,605 | $267.4K | 0.01% | 00.0% | Unchanged |
| Cetera Investment Advisers | 1,600 | $266.6K | 0.00% | −246−13.3% | Reduced |
| Corient IA LLC | 1,500 | $249.9K | 0.18% | +1,500 | New |
| Versant Capital Management, Inc | 1,480 | $246.6K | 0.04% | +1,424+2,542.9% | Added |
| Assetmark, Inc | 1,466 | $244.2K | 0.00% | +300+25.7% | Added |
| apricus wealth, LLC | 1,462 | $243.6K | 0.14% | +159+12.2% | Added |
| Fifth Third Wealth Advisors LLC | 1,460 | $243.2K | 0.01% | +4+0.3% | Added |
| RSM US Wealth Management LLC | 1,433 | $238.8K | 0.00% | +1,433 | New |
| PharVision Advisers, LLC | 1,410 | $234.9K | 0.33% | +1,410 | New |
| Vontobel Holding Ltd. | 1,393 | $232.1K | 0.00% | −418−23.1% | Reduced |
| Keel Point, LLC | 1,365 | $227.4K | 0.02% | +37+2.8% | Added |
| Tower Research Capital LLC (TRC) | 1,350 | $224.9K | 0.01% | −1,238−47.8% | Reduced |
| Dynamic Technology Lab Private Ltd | 1,320 | $220.0K | 0.03% | +1,320 | New |
| Forum Financial Management, LP | 1,316 | $219.2K | 0.00% | +2+0.2% | Added |
| Greenleaf Trust | 1,314 | $218.9K | 0.00% | +57+4.5% | Added |
| Wellington Management Group LLP | 1,297 | $216.1K | 0.00% | +1,297 | New |
| Jain Global LLC | 1,274 | $212.2K | 0.00% | +1,274 | New |
| HB Wealth Management, LLC | 1,270 | $211.6K | 0.00% | +56+4.6% | Added |
| Ballentine Partners, LLC | 1,236 | $205.9K | 0.00% | +1,236 | New |
| Custom Index Systems, LLC | 1,230 | $204.9K | 0.10% | +1,230 | New |
| Whittier Trust Co | 1,157 | $192.8K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 1,150 | $192.0K | 0.00% | +15+1.3% | Added |
| Harbor Investment Advisory, LLC | 970 | $161.6K | 0.02% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 954 | $159.3K | 0.00% | −109−10.3% | Reduced |
| United Community Bank | 941 | $156.8K | 0.06% | −5−0.5% | Reduced |
| GAMMA Investing LLC | 738 | $123.0K | 0.01% | +272+58.4% | Added |
| Ci Investments Inc. | 731 | $122.0K | 0.00% | +649+791.5% | Added |
| Fifth Third Bancorp | 648 | $108.0K | 0.00% | +38+6.2% | Added |
| C M Bidwell & Associates Ltd | 597 | $99.5K | 0.06% | −17−2.8% | Reduced |
| Barrett & Company, Inc. | 567 | $94.4K | 0.04% | 00.0% | Unchanged |
| Point72 Asia (Singapore) Pte. Ltd. | 469 | $78.1K | 0.02% | +469 | New |
| Quarry LP | 449 | $74.8K | 0.02% | +322+253.5% | Added |
| Umb Bank N A | 447 | $74.5K | 0.00% | +256+134.0% | Added |
| Signaturefd, LLC | 418 | $69.6K | 0.00% | −5−1.2% | Reduced |