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, Q3 2025
Institutional positions in Masimo Corp as of Sep 30, 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
- 358
- −17 vs. Q2 2025
- Shares held
- 56.2M
- −1.27M (−2.2%) vs. Q2 2025
- Total value
- $8.29B
- −$1.38B (−14.3%) vs. Q2 2025
- New holders
- 46
- 120 more added
- Sold out
- 63
- 121 more reduced
4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 3,812 | $562.5K | 0.02% | +396+11.6% | Added |
| US Bancorp | 3,764 | $555.4K | 0.00% | −406−9.7% | Reduced |
| Summit Trail Advisors, LLC | 3,725 | $549.6K | 0.01% | −3,435−48.0% | Reduced |
| Prudential Financial Inc | 3,722 | $549.2K | 0.00% | −150−3.9% | Reduced |
| Verus Capital Partners, LLC | 3,651 | $538.7K | 0.04% | 00.0% | Unchanged |
| FORA Capital, LLC | 3,622 | $534.4K | 0.09% | +3,622 | New |
| Bayforest Capital Ltd | 3,559 | $525.1K | 0.25% | −3,146−46.9% | Reduced |
| Securian Asset Management, Inc | 3,433 | $506.5K | 0.01% | 00.0% | Unchanged |
| Oxford Financial Group Ltd | 3,430 | $506.1K | 0.03% | 00.0% | Unchanged |
| State of Wyoming | 3,422 | $504.9K | 0.06% | +3,422 | New |
| DRW Securities, LLC | 3,222 | $475.6K | 0.02% | +3,222 | New |
| Vestmark Advisory Solutions, Inc. | 3,209 | $473.5K | 0.01% | −1,041−24.5% | Reduced |
| Federation des caisses Desjardins du Quebec | 3,093 | $456.4K | 0.00% | +3,093 | New |
| EntryPoint Capital, LLC | 3,072 | $453.3K | 0.18% | +238+8.4% | Added |
| M&T Bank Corp | 3,007 | $444.1K | 0.00% | +248+9.0% | Added |
| Brevan Howard Capital Management LP | 2,893 | $426.9K | 0.01% | −593−17.0% | Reduced |
| Voloridge Investment Management, LLC | 2,863 | $422.4K | 0.00% | +2,863 | New |
| Oppenheimer Asset Management Inc. | 2,797 | $412.7K | 0.00% | +1,064+61.4% | Added |
| Susquehanna International Group, LLP | 2,725 | $402.1K | 0.00% | −12,952−82.6% | Reduced |
| TownSquare Capital, LLC | 2,685 | $396.2K | 0.06% | −6,329−70.2% | Reduced |
| Coldstream Capital Management Inc | 2,668 | $393.7K | 0.01% | +391+17.2% | Added |
| Worldquant Millennium Advisors LLC | 2,662 | $392.8K | 0.00% | +2,662 | New |
| Buckhead Capital Management LLC | 2,650 | $391.0K | 0.14% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 2,640 | $389.5K | 0.01% | −318−10.8% | Reduced |
| 180 Wealth Advisors, LLC | 2,620 | $386.6K | 0.05% | −94−3.5% | Reduced |
| Alamea Verwaltungs GmbH | 2,566 | $378.6K | 0.26% | 00.0% | Unchanged |
| Wesleyan Assurance Society | 2,550 | $376.0K | 0.02% | 00.0% | Unchanged |
| KCM Investment Advisors LLC | 2,515 | $371.1K | 0.01% | 00.0% | Unchanged |
| Empowered Funds, LLC | 2,461 | $363.1K | 0.00% | +344+16.2% | Added |
| Assenagon Asset Management S.A. | 2,457 | $362.5K | 0.00% | −568−18.8% | Reduced |
| Cerity Partners LLC | 2,411 | $355.7K | 0.00% | +2,411 | New |
| Utah Retirement Systems | 2,382 | $351.5K | 0.00% | 00.0% | Unchanged |
| Versor Investments LP | 2,252 | $332.3K | 0.06% | +2,252 | New |
| Wellington Management Group LLP | 2,194 | $323.7K | 0.00% | −1,072−32.8% | Reduced |
| Hardy Reed LLC | 2,172 | $320.6K | 0.02% | −3−0.1% | Reduced |
| Swiss Life Asset Management Ltd | 2,173 | $320.6K | 0.00% | +958+78.8% | Added |
| BancorpSouth Bank | 2,172 | $320.5K | 0.02% | 00.0% | Unchanged |
| New Age Alpha Advisors, LLC | 2,171 | $320.3K | 0.01% | −39−1.8% | Reduced |
| Fiduciary Trust Co | 2,035 | $300.3K | 0.00% | +2,035 | New |
| Maryland State Retirement & Pension System | 2,028 | $299.2K | 0.01% | 00.0% | Unchanged |
| Custom Index Systems, LLC | 1,988 | $293.3K | 0.09% | +742+59.6% | Added |
| Wealth Enhancement Advisory Services, LLC | 1,948 | $292.7K | 0.00% | −420−17.7% | Reduced |
| ProShare Advisors LLC | 1,964 | $289.8K | 0.00% | −31−1.6% | Reduced |
| Silver Oak Securities, Inc | 1,955 | $288.5K | 0.02% | +1,955 | New |
| Truist Financial Corp | 1,846 | $272.4K | 0.00% | −1,692−47.8% | Reduced |
| Vident Advisory, LLC | 1,803 | $266.0K | 0.00% | +54+3.1% | Added |
| Assetmark, Inc | 1,753 | $258.7K | 0.00% | +214+13.9% | Added |
| Bridgewater Associates, LP | 1,714 | $252.9K | 0.00% | +69+4.2% | Added |
| CIBC Asset Management Inc | 1,669 | $246.3K | 0.00% | 00.0% | Unchanged |
| 111 Capital | 1,666 | $245.8K | 0.05% | +1,666 | New |
| M&G Plc | 1,623 | $240.2K | 0.00% | 00.0% | Unchanged |
| Capstone Investment Advisors, LLC | 1,613 | $238.0K | 0.00% | +1,613 | New |
| Inscription Capital, LLC | 1,611 | $237.7K | 0.03% | −663−29.2% | Reduced |
| Mission Wealth Management, LP | 1,606 | $237.0K | 0.00% | 00.0% | Unchanged |
| Catalytic Wealth RIA, LLC | 1,598 | $235.8K | 0.01% | +1,598 | New |
| Shelton Capital Management | 1,592 | $234.9K | 0.01% | 00.0% | Unchanged |
| Syon Capital LLC | 1,550 | $228.7K | 0.01% | −647−29.4% | Reduced |
| Tower Research Capital LLC (TRC) | 1,534 | $226.3K | 0.01% | +18+1.2% | Added |
| Corient IA LLC | 1,500 | $221.3K | 0.17% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 1,492 | $220.1K | 0.00% | −257−14.7% | Reduced |
| Marex Group plc | 1,486 | $219.3K | 0.00% | +1,486 | New |
| MML Investors Services, LLC | 1,479 | $218.2K | 0.00% | −90−5.7% | Reduced |
| Fifth Third Wealth Advisors LLC | 1,468 | $216.6K | 0.01% | +3+0.2% | Added |
| apricus wealth, LLC | 1,462 | $215.7K | 0.12% | 00.0% | Unchanged |
| Andina Capital Management, LLC | 1,420 | $209.5K | 0.12% | 00.0% | Unchanged |
| Great Lakes Advisors, LLC | 1,377 | $203.2K | 0.00% | −80,971−98.3% | Reduced |
| KBC Group NV | 1,258 | $186.0K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co | 1,134 | $167.0K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 1,074 | $158.5K | 0.00% | +869+423.9% | Added |
| Harbor Investment Advisory, LLC | 999 | $147.4K | 0.01% | +399+66.5% | Added |
| Allworth Financial LP | 905 | $133.5K | 0.00% | +518+133.9% | Added |
| CWM, LLC | 864 | $127.0K | 0.00% | −67−7.2% | Reduced |
| ISAM Funds (UK) Ltd | 699 | $103.1K | 0.02% | +699 | New |
| Advisor Group Holdings, Inc. | 681 | $97.4K | 0.00% | −132−16.2% | Reduced |
| Quarry LP | 649 | $95.8K | 0.02% | +649 | New |
| C M Bidwell & Associates Ltd | 595 | $87.8K | 0.04% | −2−0.3% | Reduced |
| Hantz Financial Services, Inc. | 580 | $86.0K | 0.00% | +515+792.3% | Added |
| Fifth Third Bancorp | 576 | $85.0K | 0.00% | −8−1.4% | Reduced |
| GAMMA Investing LLC | 504 | $74.4K | 0.00% | −204−28.8% | Reduced |
| Clearstead Advisors, LLC | 470 | $69.3K | 0.00% | +73+18.4% | Added |
| Ci Investments Inc. | 419 | $62.0K | 0.00% | −282−40.2% | Reduced |
| Danske Bank A/S | 400 | $59.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 382 | $56.4K | 0.00% | −2−0.5% | Reduced |
| Jones Financial Companies LLLP | 385 | $54.4K | 0.00% | +31+8.8% | Added |
| DHJJ Financial Advisors, Ltd. | 360 | $53.1K | 0.02% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 340 | $50.2K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 315 | $46.5K | 0.00% | +315 | New |
| Smartleaf Asset Management LLC | 306 | $43.7K | 0.00% | +136+80.0% | Added |
| Parallel Advisors, LLC | 284 | $41.9K | 0.00% | −13−4.4% | Reduced |
| SBI Securities Co., Ltd. | 270 | $39.8K | 0.00% | −4−1.5% | Reduced |
| Umb Bank N A | 239 | $35.3K | 0.00% | −174−42.1% | Reduced |
| EverSource Wealth Advisors, LLC | 227 | $33.5K | 0.00% | +39+20.7% | Added |
| NBC Securities, Inc. | 226 | $33.3K | 0.00% | −142−38.6% | Reduced |
| Massmutual Trust Co FSB | 223 | $32.9K | 0.00% | −40−15.2% | Reduced |
| Hilltop National Bank | 218 | $32.2K | 0.01% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 153 | $22.6K | 0.00% | +1+0.7% | Added |
| Bessemer Group Inc | 141 | $21.0K | 0.00% | +14+11.0% | Added |
| SJS Investment Consulting Inc. | 135 | $19.9K | 0.00% | +132+4,400.0% | Added |
| JPL Wealth Management, LLC | 126 | $18.6K | 0.00% | +126 | New |
| Nomura Asset Management Co Ltd | 120 | $17.7K | 0.00% | 00.0% | Unchanged |