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 |
|---|---|---|---|---|---|
| Zacks Investment Management | 25,088 | $3.68M | 0.04% | +25,088 | New |
| State of Tennessee, Treasury Department | 25,000 | $3.67M | 0.01% | −560−2.2% | Reduced |
| Amalgamated Bank | 24,606 | $3.61M | 0.03% | −5,784−19.0% | Reduced |
| Jane Street Group, LLC | 24,364 | $3.58M | 0.00% | −62,142−71.8% | Reduced |
| Envestnet Asset Management Inc | 22,414 | $3.29M | 0.00% | +2,285+11.4% | Added |
| Janus Henderson Group PLC | 22,030 | $3.23M | 0.00% | −1,224−5.3% | Reduced |
| Yousif Capital Management, LLC | 20,567 | $3.02M | 0.03% | −431−2.1% | Reduced |
| State of Wisconsin Investment Board | 20,443 | $3.00M | 0.01% | −2,714−11.7% | Reduced |
| Sofinnova Investments, Inc. | 20,000 | $2.94M | 0.17% | +7,200+56.3% | Added |
| Abn Amro Investment Solutions | 19,656 | $2.89M | 0.05% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 19,279 | $2.83M | 0.01% | +140+0.7% | Added |
| Voya Investment Management LLC | 18,246 | $2.68M | 0.00% | −648−3.4% | Reduced |
| Brown Advisory Inc | 17,571 | $2.58M | 0.00% | +27+0.2% | Added |
| Public Employees Retirement System of Ohio | 16,895 | $2.48M | 0.01% | −1,538−8.3% | Reduced |
| Creative Planning | 16,696 | $2.45M | 0.00% | −3,073−15.5% | Reduced |
| Capital Fund Management S.A. | 16,307 | $2.39M | 0.03% | +3,352+25.9% | Added |
| Teachers Retirement System of the State of Kentucky | 15,841 | $2.33M | 0.02% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 15,320 | $2.25M | 0.00% | −11,263−42.4% | Reduced |
| Birchview Capital, LP | 15,280 | $2.24M | 1.83% | 00.0% | Unchanged |
| Cardinal Capital Management | 14,764 | $2.17M | 0.35% | +2,962+25.1% | Added |
| Lockerman Financial Group, Inc. | 14,400 | $2.11M | 4.04% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 14,161 | $2.08M | 0.00% | −714−4.8% | Reduced |
| Empower Advisory Group, LLC | 14,060 | $2.06M | 0.01% | −100−0.7% | Reduced |
| Cinctive Capital Management LP | 13,963 | $2.05M | 0.11% | +13,963 | New |
| Bridgewater Associates, LP | 13,887 | $2.04M | 0.01% | −31,839−69.6% | Reduced |
| Louisiana State Employees Retirement System | 12,800 | $1.88M | 0.04% | +300+2.4% | Added |
| Arizona State Retirement System | 12,344 | $1.81M | 0.01% | −207−1.6% | Reduced |
| Bank of Montreal | 11,517 | $1.69M | 0.00% | +5,961+107.3% | Added |
| Paradigm Capital Management Inc | 11,353 | $1.67M | 0.08% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 11,225 | $1.65M | 0.12% | +11,225 | New |
| Exchange Traded Concepts, LLC | 10,984 | $1.61M | 0.04% | +3,226+41.6% | Added |
| Oregon Public Employees Retirement Fund | 10,966 | $1.61M | 0.03% | −1,582−12.6% | Reduced |
| State of Michigan Retirement System | 10,896 | $1.60M | 0.01% | +200+1.9% | Added |
| De Burlo Group Inc | 10,802 | $1.59M | 0.21% | −650−5.7% | Reduced |
| Laurus Investment Counsel Inc. | 7,710 | $1.53M | 0.54% | 00.0% | Unchanged |
| Capital Impact Advisors, LLC | 10,120 | $1.49M | 1.93% | +10,120 | New |
| Victory Capital Management Inc | 9,969 | $1.46M | 0.00% | −146−1.4% | Reduced |
| New Mexico Educational Retirement Board | 9,900 | $1.45M | 0.05% | 00.0% | Unchanged |
| Northwestern Mutual Investment Management Company, LLC | 9,900 | $1.45M | 0.04% | +25+0.3% | Added |
| Simplify Asset Management Inc. | 9,832 | $1.44M | 0.14% | −27,084−73.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 9,819 | $1.44M | 0.01% | +25+0.3% | Added |
| Ameritas Investment Partners, Inc. | 9,800 | $1.44M | 0.05% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 9,430 | $1.39M | 0.01% | 00.0% | Unchanged |
| Illinois Municipal Retirement Fund | 9,309 | $1.37M | 0.02% | 00.0% | Unchanged |
| Xponance, Inc. | 9,140 | $1.34M | 0.01% | −495−5.1% | Reduced |
| Advisors Asset Management, Inc. | 9,009 | $1.32M | 0.03% | +2,187+32.1% | Added |
| American Century Companies Inc | 9,000 | $1.32M | 0.00% | +3,412+61.1% | Added |
| Millrace Asset Group, Inc. | 8,868 | $1.30M | 1.31% | +8,868 | New |
| NEOS Investment Management LLC | 8,820 | $1.30M | 0.08% | +5,831+195.1% | Added |
| Linden Thomas Advisory Services, LLC | 8,755 | $1.29M | 0.21% | +216+2.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 8,721 | $1.28M | 0.00% | −2,345−21.2% | Reduced |
| Utah Retirement Systems | 7,521 | $1.10M | 0.01% | 00.0% | Unchanged |
| Eukles Asset Management | 7,428 | $1.09M | 0.47% | −1,436−16.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,267 | $1.07M | 0.00% | −647−8.2% | Reduced |
| Seaport Global Advisors, LLC | 7,109 | $1.04M | 2.12% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 6,822 | $1.00M | 0.00% | −1,951−22.2% | Reduced |
| Truist Financial Corp | 6,780 | $995.6K | 0.00% | −45−0.7% | Reduced |
| Pacer Advisors, Inc. | 6,614 | $971.3K | 0.00% | −58−0.9% | Reduced |
| Navellier & Associates Inc | 6,310 | $926.6K | 0.11% | 00.0% | Unchanged |
| HSBC Holdings PLC | 5,722 | $840.3K | 0.00% | +1,590+38.5% | Added |
| Raymond James Trust N.A. | 5,614 | $824.4K | 0.02% | +500+9.8% | Added |
| Simplex Trading, LLC | 5,595 | $821.0K | 0.02% | −9,051−61.8% | Reduced |
| Pathstone Holdings, LLC | 5,543 | $814.0K | 0.00% | +174+3.2% | Added |
| Deutsche Bank AG | 5,530 | $812.1K | 0.00% | −14,839−72.9% | Reduced |
| Pictet Asset Management Holding SA | 5,515 | $809.7K | 0.00% | +114+2.1% | Added |
| Janney Montgomery Scott LLC | 5,270 | $774.0K | 0.00% | −208−3.8% | Reduced |
| JustInvest LLC | 5,208 | $764.8K | 0.02% | −1,762−25.3% | Reduced |
| Allianz Asset Management GmbH | 5,189 | $762.0K | 0.00% | −83−1.6% | Reduced |
| Landscape Capital Management, L.L.C. | 5,164 | $758.3K | 0.07% | +5,164 | New |
| 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 |
| Public Employees Retirement Association of Colorado | 5,075 | $745.0K | 0.00% | −750−12.9% | Reduced |
| Martin Currie Ltd | 5,041 | $740.3K | 0.02% | +44+0.9% | Added |
| Advisor Group Holdings, Inc. | 4,902 | $719.8K | 0.00% | −1,248−20.3% | Reduced |
| Mariner, LLC | 4,864 | $714.3K | 0.00% | +1,612+49.6% | Added |
| State of Alaska, Department of Revenue | 4,794 | $703.0K | 0.01% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 4,729 | $694.5K | 0.00% | +659+16.2% | Added |
| Private Advisor Group, LLC | 4,709 | $691.5K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 4,665 | $685.1K | 0.00% | −2,664−36.3% | Reduced |
| HighTower Advisors, LLC | 4,627 | $685.0K | 0.00% | +1,555+50.6% | Added |
| Baird Financial Group, Inc. | 4,428 | $650.3K | 0.00% | +16+0.4% | Added |
| Neuberger Berman Group LLC | 4,327 | $635.4K | 0.00% | +19+0.4% | Added |
| CI Private Wealth, LLC | 4,112 | $603.8K | 0.00% | +75+1.9% | Added |
| Commerce Bank | 4,088 | $600.3K | 0.00% | +3+0.1% | Added |
| North Star Asset Management Inc | 3,968 | $582.7K | 0.03% | −225−5.4% | Reduced |
| The PNC Financial Services Group, Inc. | 3,785 | $555.8K | 0.00% | −60−1.6% | Reduced |
| Securian Asset Management, Inc | 3,657 | $537.0K | 0.02% | −100−2.7% | Reduced |
| Quantinno Capital Management LP | 3,660 | $537.0K | 0.01% | +3,660 | New |
| Verus Capital Partners, LLC | 3,651 | $536.1K | 0.06% | −400−9.9% | Reduced |
| Institutional & Family Asset Management, LLC | 3,650 | $536.0K | 0.09% | 00.0% | Unchanged |
| Harvest Fund Management Co., Ltd | 3,596 | $527.0K | 0.05% | +3,058+568.4% | Added |
| Quarry LP | 3,525 | $517.6K | 0.21% | +3,369+2,159.6% | Added |
| LPL Financial LLC | 3,496 | $513.3K | 0.00% | −1,047−23.0% | Reduced |
| Maryland State Retirement & Pension System | 3,736 | $512.1K | 0.01% | 00.0% | Unchanged |
| Oxford Financial Group Ltd | 3,446 | $506.0K | 0.04% | +16+0.5% | Added |
| Crossmark Global Holdings, Inc. | 3,214 | $472.0K | 0.01% | −89−2.7% | Reduced |
| Vontobel Holding Ltd. | 3,156 | $463.5K | 0.00% | −682−17.8% | Reduced |
| M&G Plc | 3,091 | $454.4K | 0.00% | +3,091 | New |
| DAFNA Capital Management LLC | 3,000 | $440.6K | 0.10% | 00.0% | Unchanged |
| Silvercrest Asset Management Group LLC | 2,925 | $429.5K | 0.00% | −57−1.9% | Reduced |