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 |
|---|---|---|---|---|---|
| Qsemble Capital Management, LP | 1,668 | $244.9K | 0.05% | +1,668 | New |
| Ieq Capital, LLC | 1,680 | $246.7K | 0.00% | +1,680 | New |
| Perissos Private Wealth Management, LLC | 1,700 | $249.6K | 0.23% | +1,700 | New |
| Cerity Partners LLC | 1,742 | $255.8K | 0.00% | +1,742 | New |
| Boothbay Fund Management, LLC | 1,743 | $256.0K | 0.01% | +1,743 | New |
| Wolverine Trading, LLC | 1,746 | $256.4K | 0.00% | −16,941−90.7% | Reduced |
| SeaCrest Wealth Management, LLC | 1,790 | $262.9K | 0.03% | +1,790 | New |
| Pitcairn Co | 1,807 | $265.4K | 0.02% | −60−3.2% | Reduced |
| AE Wealth Management LLC | 1,867 | $274.2K | 0.00% | −274−12.8% | Reduced |
| Teacher Retirement System of Texas | 1,898 | $279.0K | 0.00% | −524−21.6% | Reduced |
| Franklin Resources Inc | 1,902 | $279.3K | 0.00% | −2,058−52.0% | Reduced |
| KBC Group NV | 1,908 | $280.0K | 0.00% | −1,182−38.3% | Reduced |
| Independent Advisor Alliance | 1,936 | $284.3K | 0.01% | −100−4.9% | Reduced |
| Shelton Capital Management | 1,942 | $285.2K | 0.01% | 00.0% | Unchanged |
| Oak Thistle LLC | 1,976 | $290.2K | 0.26% | −2,257−53.3% | Reduced |
| SG Americas Securities, LLC | 1,979 | $291.0K | 0.00% | −2,030−50.6% | Reduced |
| Axq Capital, LP | 2,000 | $293.7K | 0.07% | −1,300−39.4% | Reduced |
| Juncture Wealth Strategies, LLC | 2,027 | $297.7K | 0.13% | +2,027 | New |
| MML Investors Services, LLC | 2,063 | $303.0K | 0.00% | −806−28.1% | Reduced |
| Aquatic Capital Management LLC | 2,100 | $308.4K | 0.01% | +2,100 | New |
| Handelsinvest Investeringsforvaltning | 2,132 | $313.0K | 0.15% | −1,107−34.2% | Reduced |
| GeoWealth Management, LLC | 2,147 | $315.3K | 0.01% | +2,147 | New |
| 180 Wealth Advisors, LLC | 2,158 | $316.9K | 0.06% | −56−2.5% | Reduced |
| ProShare Advisors LLC | 2,164 | $317.8K | 0.00% | −172−7.4% | Reduced |
| BancorpSouth Bank | 2,172 | $319.0K | 0.02% | 00.0% | Unchanged |
| Toroso Investments, LLC | 2,179 | $320.0K | 0.01% | +269+14.1% | Added |
| Mission Wealth Management, LP | 2,200 | $323.1K | 0.01% | −80−3.5% | Reduced |
| Prudential Financial Inc | 2,241 | $329.1K | 0.00% | −390−14.8% | Reduced |
| Stifel Financial Corp | 2,397 | $352.0K | 0.00% | −2,745−53.4% | Reduced |
| Coldstream Capital Management Inc | 2,409 | $353.8K | 0.01% | +117+5.1% | Added |
| KCM Investment Advisors LLC | 2,415 | $354.6K | 0.01% | −10−0.4% | Reduced |
| M&T Bank Corp | 2,458 | $360.9K | 0.00% | +80+3.4% | Added |
| Wealth Enhancement Advisory Services, LLC | 2,498 | $366.8K | 0.00% | −289−10.4% | Reduced |
| SageView Advisory Group, LLC | 1,470 | $370.9K | 0.02% | +1,470 | New |
| Wesleyan Assurance Society | 2,550 | $374.0K | 0.03% | +1,250+96.2% | Added |
| Verition Fund Management LLC | 2,578 | $378.6K | 0.00% | +2,578 | New |
| Buckhead Capital Management LLC | 2,650 | $389.2K | 0.13% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 2,896 | $425.3K | 0.04% | +2,896 | New |
| Sigma Planning Corp | 2,922 | $429.1K | 0.01% | +353+13.7% | Added |
| Silvercrest Asset Management Group LLC | 2,925 | $429.5K | 0.00% | −57−1.9% | Reduced |
| DAFNA Capital Management LLC | 3,000 | $440.6K | 0.10% | 00.0% | Unchanged |
| M&G Plc | 3,091 | $454.4K | 0.00% | +3,091 | New |
| Vontobel Holding Ltd. | 3,156 | $463.5K | 0.00% | −682−17.8% | Reduced |
| Crossmark Global Holdings, Inc. | 3,214 | $472.0K | 0.01% | −89−2.7% | Reduced |
| Oxford Financial Group Ltd | 3,446 | $506.0K | 0.04% | +16+0.5% | Added |
| Maryland State Retirement & Pension System | 3,736 | $512.1K | 0.01% | 00.0% | Unchanged |
| LPL Financial LLC | 3,496 | $513.3K | 0.00% | −1,047−23.0% | Reduced |
| Quarry LP | 3,525 | $517.6K | 0.21% | +3,369+2,159.6% | Added |
| Harvest Fund Management Co., Ltd | 3,596 | $527.0K | 0.05% | +3,058+568.4% | Added |
| Institutional & Family Asset Management, LLC | 3,650 | $536.0K | 0.09% | 00.0% | Unchanged |
| Verus Capital Partners, LLC | 3,651 | $536.1K | 0.06% | −400−9.9% | Reduced |
| Quantinno Capital Management LP | 3,660 | $537.0K | 0.01% | +3,660 | New |
| Securian Asset Management, Inc | 3,657 | $537.0K | 0.02% | −100−2.7% | Reduced |
| The PNC Financial Services Group, Inc. | 3,785 | $555.8K | 0.00% | −60−1.6% | Reduced |
| North Star Asset Management Inc | 3,968 | $582.7K | 0.03% | −225−5.4% | Reduced |
| Commerce Bank | 4,088 | $600.3K | 0.00% | +3+0.1% | Added |
| CI Private Wealth, LLC | 4,112 | $603.8K | 0.00% | +75+1.9% | Added |
| Neuberger Berman Group LLC | 4,327 | $635.4K | 0.00% | +19+0.4% | Added |
| Baird Financial Group, Inc. | 4,428 | $650.3K | 0.00% | +16+0.4% | Added |
| HighTower Advisors, LLC | 4,627 | $685.0K | 0.00% | +1,555+50.6% | Added |
| US Bancorp | 4,665 | $685.1K | 0.00% | −2,664−36.3% | Reduced |
| Private Advisor Group, LLC | 4,709 | $691.5K | 0.00% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 4,729 | $694.5K | 0.00% | +659+16.2% | Added |
| State of Alaska, Department of Revenue | 4,794 | $703.0K | 0.01% | 00.0% | Unchanged |
| Mariner, LLC | 4,864 | $714.3K | 0.00% | +1,612+49.6% | Added |
| Advisor Group Holdings, Inc. | 4,902 | $719.8K | 0.00% | −1,248−20.3% | Reduced |
| Martin Currie Ltd | 5,041 | $740.3K | 0.02% | +44+0.9% | Added |
| Public Employees Retirement Association of Colorado | 5,075 | $745.0K | 0.00% | −750−12.9% | Reduced |
| Brinker Capital Investments, LLC | 5,141 | $755.0K | 0.01% | +570+12.5% | Added |
| Orion Portfolio Solutions, LLC | 5,141 | $755.0K | 0.01% | +570+12.5% | Added |
| Landscape Capital Management, L.L.C. | 5,164 | $758.3K | 0.07% | +5,164 | New |
| Allianz Asset Management GmbH | 5,189 | $762.0K | 0.00% | −83−1.6% | Reduced |
| JustInvest LLC | 5,208 | $764.8K | 0.02% | −1,762−25.3% | Reduced |
| Janney Montgomery Scott LLC | 5,270 | $774.0K | 0.00% | −208−3.8% | Reduced |
| Pictet Asset Management Holding SA | 5,515 | $809.7K | 0.00% | +114+2.1% | Added |
| Deutsche Bank AG | 5,530 | $812.1K | 0.00% | −14,839−72.9% | Reduced |
| Pathstone Holdings, LLC | 5,543 | $814.0K | 0.00% | +174+3.2% | Added |
| Simplex Trading, LLC | 5,595 | $821.0K | 0.02% | −9,051−61.8% | Reduced |
| Raymond James Trust N.A. | 5,614 | $824.4K | 0.02% | +500+9.8% | Added |
| HSBC Holdings PLC | 5,722 | $840.3K | 0.00% | +1,590+38.5% | Added |
| Navellier & Associates Inc | 6,310 | $926.6K | 0.11% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 6,614 | $971.3K | 0.00% | −58−0.9% | Reduced |
| Truist Financial Corp | 6,780 | $995.6K | 0.00% | −45−0.7% | Reduced |
| Assenagon Asset Management S.A. | 6,822 | $1.00M | 0.00% | −1,951−22.2% | Reduced |
| Seaport Global Advisors, LLC | 7,109 | $1.04M | 2.12% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,267 | $1.07M | 0.00% | −647−8.2% | Reduced |
| Eukles Asset Management | 7,428 | $1.09M | 0.47% | −1,436−16.2% | Reduced |
| Utah Retirement Systems | 7,521 | $1.10M | 0.01% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 8,721 | $1.28M | 0.00% | −2,345−21.2% | Reduced |
| Linden Thomas Advisory Services, LLC | 8,755 | $1.29M | 0.21% | +216+2.5% | Added |
| NEOS Investment Management LLC | 8,820 | $1.30M | 0.08% | +5,831+195.1% | Added |
| Millrace Asset Group, Inc. | 8,868 | $1.30M | 1.31% | +8,868 | New |
| American Century Companies Inc | 9,000 | $1.32M | 0.00% | +3,412+61.1% | Added |
| Advisors Asset Management, Inc. | 9,009 | $1.32M | 0.03% | +2,187+32.1% | Added |
| Xponance, Inc. | 9,140 | $1.34M | 0.01% | −495−5.1% | Reduced |
| Illinois Municipal Retirement Fund | 9,309 | $1.37M | 0.02% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 9,430 | $1.39M | 0.01% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 9,800 | $1.44M | 0.05% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 9,819 | $1.44M | 0.01% | +25+0.3% | Added |
| Simplify Asset Management Inc. | 9,832 | $1.44M | 0.14% | −27,084−73.4% | Reduced |