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 2024
Institutional positions in Masimo Corp as of Mar 31, 2024. 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
- 339
- 0 vs. Q4 2023
- Shares held
- 51.7M
- +1.31M (+2.6%) vs. Q4 2023
- Total value
- $7.59B
- +$1.69B (+28.6%) vs. Q4 2023
- New holders
- 50
- 96 more added
- Sold out
- 50
- 127 more reduced
3 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital Advisors, Ltd. LLC | 2 | $0 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 1 | $147 | 0.00% | 00.0% | Unchanged |
| Amundi | 2 | $272 | 0.00% | −6,404−100.0% | Reduced |
| Financial Synergies Wealth Advisors, Inc. | 2 | $294 | 0.00% | +2 | New |
| CoreCap Advisors, LLC | 3 | $441 | 0.00% | +3 | New |
| Mather Group, LLC. | 6 | $703 | 0.00% | +6 | New |
| Kayne Anderson Rudnick Investment Management LLC | 5 | $734 | 0.00% | +5 | New |
| DiNuzzo Private Wealth, Inc. | 5 | $735 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 7 | $1.03K | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 10 | $1.47K | 0.00% | +10 | New |
| Umb Bank N A | 11 | $1.61K | 0.00% | +11 | New |
| Adirondack Trust Co | 12 | $1.76K | 0.00% | 00.0% | Unchanged |
| WFA Asset Management Corp | 12 | $1.76K | 0.00% | 00.0% | Unchanged |
| FinTrust Capital Advisors, LLC | 13 | $1.91K | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 13 | $1.91K | 0.00% | +8+160.0% | Added |
| Kiely Wealth Advisory Group, Inc. | 15 | $2.06K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 15 | $2.20K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 15 | $2.20K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 16 | $2.31K | 0.00% | +15+1,500.0% | Added |
| Quent Capital, LLC | 16 | $2.35K | 0.00% | 00.0% | Unchanged |
| VisionPoint Advisory Group, LLC | 17 | $2.50K | 0.00% | +17 | New |
| JFS Wealth Advisors, LLC | 17 | $2.50K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 18 | $2.64K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 18 | $2.64K | 0.00% | 00.0% | Unchanged |
| Sachetta, LLC | 23 | $2.70K | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 20 | $2.94K | 0.00% | −34−63.0% | Reduced |
| WealthCollab, LLC | 20 | $2.94K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 23 | $3.38K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 24 | $3.52K | 0.00% | 00.0% | Unchanged |
| Hallmark Capital Management Inc | 26 | $3.82K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 28 | $4.11K | 0.00% | +7+33.3% | Added |
| Nisa Investment Advisors, LLC | 29 | $4.26K | 0.00% | −3−9.4% | Reduced |
| Principal Securities, Inc. | 35 | $5.14K | 0.00% | +35 | New |
| GPS Wealth Strategies Group, LLC | 37 | $5.43K | 0.00% | +37 | New |
| Bear Mountain Capital, Inc. | 40 | $5.46K | 0.00% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 38 | $5.58K | 0.00% | −20−34.5% | Reduced |
| CIBC Private Wealth Group, LLC | 40 | $5.79K | 0.00% | +40 | New |
| Larson Financial Group LLC | 46 | $6.75K | 0.00% | +45+4,500.0% | Added |
| JJJ Advisors Inc. | 49 | $7.20K | 0.00% | 00.0% | Unchanged |
| Clean Yield Group | 49 | $7.20K | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 50 | $7.34K | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 54 | $8.00K | 0.00% | 00.0% | Unchanged |
| Colonial Trust Advisors | 57 | $8.37K | 0.00% | +7+14.0% | Added |
| First Horizon Advisors, Inc. | 68 | $9.99K | 0.00% | −13−16.0% | Reduced |
| Bessemer Group Inc | 70 | $10.0K | 0.00% | −2,337−97.1% | Reduced |
| Smithfield Trust Co | 65 | $10.0K | 0.00% | 00.0% | Unchanged |
| Crewe Advisors LLC | 70 | $10.3K | 0.00% | +70 | New |
| Farther Finance Advisors, LLC | 76 | $11.0K | 0.00% | +8+11.8% | Added |
| Central Trust Co | 79 | $11.6K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 80 | $12.0K | 0.01% | −115−59.0% | Reduced |
| Sound Income Strategies, LLC | 85 | $12.5K | 0.00% | +85 | New |
| Center for Financial Planning, Inc. | 100 | $14.7K | 0.00% | 00.0% | Unchanged |
| LGT Financial Advisors LLC | 114 | $16.7K | 0.02% | 00.0% | Unchanged |
| Spire Wealth Management | 144 | $21.1K | 0.00% | −17−10.6% | Reduced |
| GAMMA Investing LLC | 148 | $21.7K | 0.00% | +94+174.1% | Added |
| NBC Securities, Inc. | 155 | $22.0K | 0.00% | −100−39.2% | Reduced |
| Northwestern Mutual Wealth Management Co | 150 | $22.0K | 0.00% | 00.0% | Unchanged |
| Rise Advisors, LLC | 154 | $22.6K | 0.01% | +134+670.0% | Added |
| GWM Advisors LLC | 156 | $22.9K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 162 | $23.8K | 0.00% | +34+26.6% | Added |
| Riverview Trust Co | 169 | $24.8K | 0.02% | +169 | New |
| Walleye Capital LLC | 189 | $27.8K | 0.00% | +189 | New |
| Harel Insurance Investments & Financial Services Ltd. | 190 | $28.0K | 0.00% | −117−38.1% | Reduced |
| Harbour Investments, Inc. | 203 | $29.8K | 0.00% | −16−7.3% | Reduced |
| Hilltop National Bank | 218 | $32.0K | 0.01% | +218 | New |
| Massmutual Trust Co FSB | 239 | $35.1K | 0.00% | −4−1.6% | Reduced |
| EverSource Wealth Advisors, LLC | 297 | $39.9K | 0.00% | +2+0.7% | Added |
| Lindbrook Capital, LLC | 289 | $42.4K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 313 | $46.0K | 0.00% | −132−29.7% | Reduced |
| Clearstead Advisors, LLC | 445 | $51.7K | 0.00% | +15+3.5% | Added |
| Huntington National Bank | 357 | $52.4K | 0.00% | +271+315.1% | Added |
| DHJJ Financial Advisors, Ltd. | 360 | $52.9K | 0.02% | 00.0% | Unchanged |
| Leonteq Securities AG | 414 | $60.8K | 0.01% | 00.0% | Unchanged |
| Signaturefd, LLC | 444 | $65.2K | 0.00% | +43+10.7% | Added |
| Washington Trust Co | 458 | $67.3K | 0.00% | +458 | New |
| HHM Wealth Advisors, LLC | 500 | $73.4K | 0.01% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 583 | $85.0K | 0.00% | +573+5,730.0% | Added |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 583 | $85.6K | 0.00% | −2,222−79.2% | Reduced |
| C M Bidwell & Associates Ltd | 595 | $87.4K | 0.06% | +595 | New |
| Fifth Third Bancorp | 597 | $87.7K | 0.00% | +7+1.2% | Added |
| VitalStone Financial, LLC | 597 | $88.0K | 0.07% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 650 | $95.5K | 0.00% | −740−53.2% | Reduced |
| Resona Asset Management Co.,Ltd. | 803 | $117.9K | 0.00% | +803 | New |
| Assetmark, Inc | 925 | $135.8K | 0.00% | +98+11.9% | Added |
| Tower Research Capital LLC (TRC) | 970 | $142.4K | 0.00% | −2,737−73.8% | Reduced |
| Harbor Investment Advisory, LLC | 970 | $142.4K | 0.01% | 00.0% | Unchanged |
| Northwest & Ethical Investments L.P. | 1,000 | $146.8K | 0.00% | +1,000 | New |
| United Community Bank | 1,026 | $150.7K | 0.06% | −26−2.5% | Reduced |
| Qube Research & Technologies Ltd | 1,037 | $152.3K | 0.00% | +353+51.6% | Added |
| CWM, LLC | 1,110 | $163.0K | 0.00% | −208−15.8% | Reduced |
| Barrett & Company, Inc. | 1,133 | $166.4K | 0.08% | 00.0% | Unchanged |
| Whittier Trust Co | 1,134 | $166.5K | 0.00% | 00.0% | Unchanged |
| Ci Investments Inc. | 1,240 | $182.0K | 0.00% | +479+62.9% | Added |
| CIBC Asset Management Inc | 1,383 | $203.1K | 0.00% | +1,383 | New |
| Quadrant Capital Group LLC | 1,400 | $205.6K | 0.02% | +11+0.8% | Added |
| Envestnet Portfolio Solutions, Inc. | 1,480 | $217.3K | 0.00% | +1,480 | New |
| Paloma Partners Management Co | 1,504 | $220.9K | 0.03% | +1,504 | New |
| LRT Capital Management, LLC | 1,522 | $223.5K | 0.20% | +1,522 | New |
| Profund Advisors LLC | 1,577 | $231.6K | 0.01% | +1,577 | New |
| Two Sigma Advisers, LP | 1,600 | $235.0K | 0.00% | −1,900−54.3% | Reduced |