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 |
|---|---|---|---|---|---|
| Sigma Planning Corp | 2,922 | $429.1K | 0.01% | +353+13.7% | Added |
| Campbell & CO Investment Adviser LLC | 2,896 | $425.3K | 0.04% | +2,896 | New |
| Buckhead Capital Management LLC | 2,650 | $389.2K | 0.13% | 00.0% | Unchanged |
| Verition Fund Management LLC | 2,578 | $378.6K | 0.00% | +2,578 | New |
| Wesleyan Assurance Society | 2,550 | $374.0K | 0.03% | +1,250+96.2% | Added |
| SageView Advisory Group, LLC | 1,470 | $370.9K | 0.02% | +1,470 | New |
| Wealth Enhancement Advisory Services, LLC | 2,498 | $366.8K | 0.00% | −289−10.4% | Reduced |
| M&T Bank Corp | 2,458 | $360.9K | 0.00% | +80+3.4% | Added |
| KCM Investment Advisors LLC | 2,415 | $354.6K | 0.01% | −10−0.4% | Reduced |
| Coldstream Capital Management Inc | 2,409 | $353.8K | 0.01% | +117+5.1% | Added |
| Stifel Financial Corp | 2,397 | $352.0K | 0.00% | −2,745−53.4% | Reduced |
| Prudential Financial Inc | 2,241 | $329.1K | 0.00% | −390−14.8% | Reduced |
| Mission Wealth Management, LP | 2,200 | $323.1K | 0.01% | −80−3.5% | Reduced |
| Toroso Investments, LLC | 2,179 | $320.0K | 0.01% | +269+14.1% | Added |
| BancorpSouth Bank | 2,172 | $319.0K | 0.02% | 00.0% | Unchanged |
| ProShare Advisors LLC | 2,164 | $317.8K | 0.00% | −172−7.4% | Reduced |
| 180 Wealth Advisors, LLC | 2,158 | $316.9K | 0.06% | −56−2.5% | Reduced |
| GeoWealth Management, LLC | 2,147 | $315.3K | 0.01% | +2,147 | New |
| Handelsinvest Investeringsforvaltning | 2,132 | $313.0K | 0.15% | −1,107−34.2% | Reduced |
| Aquatic Capital Management LLC | 2,100 | $308.4K | 0.01% | +2,100 | New |
| MML Investors Services, LLC | 2,063 | $303.0K | 0.00% | −806−28.1% | Reduced |
| Juncture Wealth Strategies, LLC | 2,027 | $297.7K | 0.13% | +2,027 | New |
| Axq Capital, LP | 2,000 | $293.7K | 0.07% | −1,300−39.4% | Reduced |
| SG Americas Securities, LLC | 1,979 | $291.0K | 0.00% | −2,030−50.6% | Reduced |
| Oak Thistle LLC | 1,976 | $290.2K | 0.26% | −2,257−53.3% | Reduced |
| Shelton Capital Management | 1,942 | $285.2K | 0.01% | 00.0% | Unchanged |
| Independent Advisor Alliance | 1,936 | $284.3K | 0.01% | −100−4.9% | Reduced |
| KBC Group NV | 1,908 | $280.0K | 0.00% | −1,182−38.3% | Reduced |
| Franklin Resources Inc | 1,902 | $279.3K | 0.00% | −2,058−52.0% | Reduced |
| Teacher Retirement System of Texas | 1,898 | $279.0K | 0.00% | −524−21.6% | Reduced |
| AE Wealth Management LLC | 1,867 | $274.2K | 0.00% | −274−12.8% | Reduced |
| Pitcairn Co | 1,807 | $265.4K | 0.02% | −60−3.2% | Reduced |
| SeaCrest Wealth Management, LLC | 1,790 | $262.9K | 0.03% | +1,790 | New |
| Wolverine Trading, LLC | 1,746 | $256.4K | 0.00% | −16,941−90.7% | Reduced |
| Boothbay Fund Management, LLC | 1,743 | $256.0K | 0.01% | +1,743 | New |
| Cerity Partners LLC | 1,742 | $255.8K | 0.00% | +1,742 | New |
| Perissos Private Wealth Management, LLC | 1,700 | $249.6K | 0.23% | +1,700 | New |
| Ieq Capital, LLC | 1,680 | $246.7K | 0.00% | +1,680 | New |
| Qsemble Capital Management, LP | 1,668 | $244.9K | 0.05% | +1,668 | New |
| Two Sigma Advisers, LP | 1,600 | $235.0K | 0.00% | −1,900−54.3% | Reduced |
| Profund Advisors LLC | 1,577 | $231.6K | 0.01% | +1,577 | New |
| LRT Capital Management, LLC | 1,522 | $223.5K | 0.20% | +1,522 | New |
| Paloma Partners Management Co | 1,504 | $220.9K | 0.03% | +1,504 | New |
| Envestnet Portfolio Solutions, Inc. | 1,480 | $217.3K | 0.00% | +1,480 | New |
| Quadrant Capital Group LLC | 1,400 | $205.6K | 0.02% | +11+0.8% | Added |
| CIBC Asset Management Inc | 1,383 | $203.1K | 0.00% | +1,383 | New |
| Ci Investments Inc. | 1,240 | $182.0K | 0.00% | +479+62.9% | Added |
| Whittier Trust Co | 1,134 | $166.5K | 0.00% | 00.0% | Unchanged |
| Barrett & Company, Inc. | 1,133 | $166.4K | 0.08% | 00.0% | Unchanged |
| CWM, LLC | 1,110 | $163.0K | 0.00% | −208−15.8% | Reduced |
| Qube Research & Technologies Ltd | 1,037 | $152.3K | 0.00% | +353+51.6% | Added |
| United Community Bank | 1,026 | $150.7K | 0.06% | −26−2.5% | Reduced |
| Northwest & Ethical Investments L.P. | 1,000 | $146.8K | 0.00% | +1,000 | New |
| Harbor Investment Advisory, LLC | 970 | $142.4K | 0.01% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 970 | $142.4K | 0.00% | −2,737−73.8% | Reduced |
| Assetmark, Inc | 925 | $135.8K | 0.00% | +98+11.9% | Added |
| Resona Asset Management Co.,Ltd. | 803 | $117.9K | 0.00% | +803 | New |
| Russell Investments Group, Ltd. | 650 | $95.5K | 0.00% | −740−53.2% | Reduced |
| VitalStone Financial, LLC | 597 | $88.0K | 0.07% | 00.0% | Unchanged |
| Fifth Third Bancorp | 597 | $87.7K | 0.00% | +7+1.2% | Added |
| C M Bidwell & Associates Ltd | 595 | $87.4K | 0.06% | +595 | New |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 583 | $85.6K | 0.00% | −2,222−79.2% | Reduced |
| Lazard Asset Management LLC | 583 | $85.0K | 0.00% | +573+5,730.0% | Added |
| HHM Wealth Advisors, LLC | 500 | $73.4K | 0.01% | 00.0% | Unchanged |
| Washington Trust Co | 458 | $67.3K | 0.00% | +458 | New |
| Signaturefd, LLC | 444 | $65.2K | 0.00% | +43+10.7% | Added |
| Leonteq Securities AG | 414 | $60.8K | 0.01% | 00.0% | Unchanged |
| DHJJ Financial Advisors, Ltd. | 360 | $52.9K | 0.02% | 00.0% | Unchanged |
| Huntington National Bank | 357 | $52.4K | 0.00% | +271+315.1% | Added |
| Clearstead Advisors, LLC | 445 | $51.7K | 0.00% | +15+3.5% | Added |
| Parallel Advisors, LLC | 313 | $46.0K | 0.00% | −132−29.7% | Reduced |
| Lindbrook Capital, LLC | 289 | $42.4K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 297 | $39.9K | 0.00% | +2+0.7% | Added |
| Massmutual Trust Co FSB | 239 | $35.1K | 0.00% | −4−1.6% | Reduced |
| Hilltop National Bank | 218 | $32.0K | 0.01% | +218 | New |
| Harbour Investments, Inc. | 203 | $29.8K | 0.00% | −16−7.3% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 190 | $28.0K | 0.00% | −117−38.1% | Reduced |
| Walleye Capital LLC | 189 | $27.8K | 0.00% | +189 | New |
| Riverview Trust Co | 169 | $24.8K | 0.02% | +169 | New |
| Allworth Financial LP | 162 | $23.8K | 0.00% | +34+26.6% | Added |
| GWM Advisors LLC | 156 | $22.9K | 0.00% | 00.0% | Unchanged |
| Rise Advisors, LLC | 154 | $22.6K | 0.01% | +134+670.0% | Added |
| Northwestern Mutual Wealth Management Co | 150 | $22.0K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 155 | $22.0K | 0.00% | −100−39.2% | Reduced |
| GAMMA Investing LLC | 148 | $21.7K | 0.00% | +94+174.1% | Added |
| Spire Wealth Management | 144 | $21.1K | 0.00% | −17−10.6% | Reduced |
| LGT Financial Advisors LLC | 114 | $16.7K | 0.02% | 00.0% | Unchanged |
| Center for Financial Planning, Inc. | 100 | $14.7K | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 85 | $12.5K | 0.00% | +85 | New |
| Covestor Ltd | 80 | $12.0K | 0.01% | −115−59.0% | Reduced |
| Central Trust Co | 79 | $11.6K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 76 | $11.0K | 0.00% | +8+11.8% | Added |
| Crewe Advisors LLC | 70 | $10.3K | 0.00% | +70 | New |
| Bessemer Group Inc | 70 | $10.0K | 0.00% | −2,337−97.1% | Reduced |
| Smithfield Trust Co | 65 | $10.0K | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 68 | $9.99K | 0.00% | −13−16.0% | Reduced |
| Colonial Trust Advisors | 57 | $8.37K | 0.00% | +7+14.0% | Added |
| Hantz Financial Services, Inc. | 54 | $8.00K | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 50 | $7.34K | 0.00% | 00.0% | Unchanged |
| JJJ Advisors Inc. | 49 | $7.20K | 0.00% | 00.0% | Unchanged |