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 2023
Institutional positions in Masimo Corp as of Mar 31, 2023. 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
- 428
- +31 vs. Q4 2022
- Shares held
- 45.0M
- +592.5K (+1.3%) vs. Q4 2022
- Total value
- $8.30B
- +$1.73B (+26.4%) vs. Q4 2022
- New holders
- 68
- 134 more added
- Sold out
- 37
- 143 more reduced
8 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Amalgamated Bank | 34,950 | $6.45M | 0.05% | −1,827−5.0% | Reduced |
| Moran Wealth Management, LLC | 34,181 | $6.31M | 0.24% | +4,694+15.9% | Added |
| RK Capital Management, LLC | 33,955 | $6.27M | 1.38% | +33,955 | New |
| State of Tennessee, Treasury Department | 33,938 | $6.26M | 0.03% | −2,216−6.1% | Reduced |
| Shell Asset Management Co | 33,499 | $6.18M | 0.26% | 00.0% | Unchanged |
| Banco Santander, S.A. | 33,129 | $6.11M | 0.09% | −371−1.1% | Reduced |
| Gabelli Funds LLC | 33,000 | $6.09M | 0.05% | −200−0.6% | Reduced |
| HSBC Holdings PLC | 32,594 | $6.01M | 0.01% | +423+1.3% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 32,245 | $5.95M | 0.01% | +524+1.7% | Added |
| South Dakota Investment Council | 32,047 | $5.91M | 0.13% | 00.0% | Unchanged |
| MetLife Investment Management | 31,083 | $5.74M | 0.04% | −791−2.5% | Reduced |
| State of Wisconsin Investment Board | 29,870 | $5.51M | 0.02% | +4,445+17.5% | Added |
| State of New Jersey Common Pension Fund D | 28,543 | $5.27M | 0.02% | −779−2.7% | Reduced |
| Andra AP-fonden | 28,500 | $5.26M | 0.14% | −1,200−4.0% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 27,640 | $5.10M | 0.01% | +100+0.4% | Added |
| Carmignac Gestion | 26,864 | $4.90M | 0.08% | −5,599−17.2% | Reduced |
| Westmount Partners, LLC | 26,424 | $4.88M | 2.25% | −279−1.0% | Reduced |
| Abn Amro Investment Solutions | 26,372 | $4.87M | 0.10% | +26,372 | New |
| BNP Paribas Arbitrage, SA | 25,704 | $4.74M | 0.01% | −69,824−73.1% | Reduced |
| Yousif Capital Management, LLC | 25,155 | $4.64M | 0.06% | +45+0.2% | Added |
| Bell Asset Management Ltd | 23,954 | $4.42M | 0.81% | −27,778−53.7% | Reduced |
| Public Employees Retirement System of Ohio | 23,898 | $4.41M | 0.02% | −733−3.0% | Reduced |
| TD Asset Management Inc | 23,824 | $4.40M | 0.01% | +5,570+30.5% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 21,781 | $4.02M | 0.03% | +26+0.1% | Added |
| Treasurer of the State of North Carolina | 20,739 | $3.83M | 0.02% | +150+0.7% | Added |
| KCM Investment Advisors LLC | 20,515 | $3.79M | 0.15% | +18,000+715.7% | Added |
| Brookfield Asset Management Inc. | 20,246 | $3.74M | 0.01% | −66,704−76.7% | Reduced |
| Victory Capital Management Inc | 20,192 | $3.73M | 0.00% | +10,135+100.8% | Added |
| LPL Financial LLC | 20,005 | $3.69M | 0.00% | −1,062−5.0% | Reduced |
| Brown Capital Management LLC | 19,283 | $3.56M | 0.05% | −3,481−15.3% | Reduced |
| Cloverfields Capital Group, LP | 18,858 | $3.48M | 1.04% | +2,806+17.5% | Added |
| Voya Investment Management LLC | 18,851 | $3.48M | 0.00% | −464−2.4% | Reduced |
| Oregon Public Employees Retirement Fund | 18,088 | $3.34M | 0.04% | −387−2.1% | Reduced |
| Brown Advisory Inc | 17,919 | $3.31M | 0.01% | −752−4.0% | Reduced |
| Envestnet Asset Management Inc | 17,811 | $3.29M | 0.00% | +2,595+17.1% | Added |
| KBC Group NV | 17,245 | $3.18M | 0.01% | +14,211+468.4% | Added |
| Ascent Wealth Partners, LLC | 16,126 | $2.98M | 0.60% | +293+1.9% | Added |
| Royal London Asset Management Ltd | 16,066 | $2.96M | 0.01% | +358+2.3% | Added |
| Korea Investment CORP | 15,954 | $2.94M | 0.01% | −9,431−37.2% | Reduced |
| Marshall Wace, LLP | 15,932 | $2.94M | 0.01% | −38,690−70.8% | Reduced |
| Ensign Peak Advisors, Inc | 15,725 | $2.90M | 0.01% | +500+3.3% | Added |
| Birchview Capital, LP | 15,280 | $2.82M | 2.21% | 00.0% | Unchanged |
| Wells Fargo & Company | 15,279 | $2.82M | 0.00% | −476−3.0% | Reduced |
| Banque Pictet & Cie SA | 15,252 | $2.81M | 0.03% | −2,588−14.5% | Reduced |
| Arizona State Retirement System | 14,518 | $2.68M | 0.02% | +392+2.8% | Added |
| CenterBook Partners LP | 14,510 | $2.68M | 0.38% | +8,584+144.9% | Added |
| Empower Advisory Group, LLC | 14,512 | $2.68M | 0.01% | +14,512 | New |
| Point72 Asset Management, L.P. | 14,500 | $2.68M | 0.01% | −34,000−70.1% | Reduced |
| Lockerman Financial Group, Inc. | 14,400 | $2.66M | 7.31% | 00.0% | Unchanged |
| Toronto Dominion Bank | 13,840 | $2.55M | 0.00% | −9,245−40.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 13,405 | $2.47M | 0.01% | −470−3.4% | Reduced |
| AQR Capital Management LLC | 13,601 | $2.46M | 0.01% | +13,601 | New |
| Louisiana State Employees Retirement System | 12,800 | $2.36M | 0.06% | −100−0.8% | Reduced |
| Thrivent Financial for Lutherans | 12,763 | $2.35M | 0.01% | −17,685−58.1% | Reduced |
| De Burlo Group Inc | 12,452 | $2.30M | 0.45% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 12,312 | $2.27M | 0.09% | −117−0.9% | Reduced |
| State of Michigan Retirement System | 12,196 | $2.25M | 0.01% | −100−0.8% | Reduced |
| Two Sigma Investments, LP | 11,860 | $2.19M | 0.01% | −55,948−82.5% | Reduced |
| Nomura Asset Management Co Ltd | 11,420 | $2.11M | 0.01% | 00.0% | Unchanged |
| Creative Planning | 11,373 | $2.10M | 0.00% | −354−3.0% | Reduced |
| Paradigm Capital Management Inc | 11,353 | $2.10M | 0.14% | −18,400−61.8% | Reduced |
| Millrace Asset Group, Inc. | 11,313 | $2.09M | 2.44% | +127+1.1% | Added |
| Laurus Investment Counsel Inc. | 8,340 | $2.08M | 0.74% | 00.0% | Unchanged |
| Jane Street Group, LLC | 11,200 | $2.07M | 0.00% | −7,870−41.3% | Reduced |
| DnB Asset Management AS | 10,990 | $2.03M | 0.01% | +10,990 | New |
| JustInvest LLC | 10,975 | $2.03M | 0.07% | +329+3.1% | Added |
| Cardinal Capital Management | 10,817 | $2.00M | 0.41% | +101+0.9% | Added |
| Zacks Investment Management | 10,770 | $1.99M | 0.03% | +10,770 | New |
| Northwestern Mutual Investment Management Company, LLC | 10,730 | $1.98M | 0.05% | +6,255+139.8% | Added |
| Los Angeles Capital Management LLC | 10,685 | $1.97M | 0.01% | −50.0% | Reduced |
| Tredje AP-fonden | 10,588 | $1.95M | 0.03% | +500+5.0% | Added |
| Assetmark, Inc | 10,275 | $1.90M | 0.01% | +3,158+44.4% | Added |
| Xponance, Inc. | 10,138 | $1.87M | 0.03% | −30.0% | Reduced |
| Toroso Investments, LLC | 9,830 | $1.81M | 0.06% | +9,830 | New |
| Peloton Wealth Strategists | 9,565 | $1.76M | 0.81% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 9,476 | $1.75M | 0.00% | +20+0.2% | Added |
| Illinois Municipal Retirement Fund | 9,309 | $1.72M | 0.04% | 00.0% | Unchanged |
| Eukles Asset Management | 9,308 | $1.72M | 0.93% | −116−1.2% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 9,280 | $1.71M | 0.01% | −266−2.8% | Reduced |
| ExodusPoint Capital Management, LP | 9,189 | $1.70M | 0.02% | −27,254−74.8% | Reduced |
| Inceptionr LLC | 8,864 | $1.64M | 0.52% | +8,864 | New |
| Handelsbanken Fonder AB | 8,830 | $1.63M | 0.01% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 8,800 | $1.62M | 0.08% | +800+10.0% | Added |
| Graham Capital Management, L.P. | 8,797 | $1.62M | 0.06% | +8,797 | New |
| IFM Investors Pty Ltd | 8,713 | $1.61M | 0.02% | +178+2.1% | Added |
| Standard Life Aberdeen plc | 8,526 | $1.57M | 0.00% | +3,958+86.6% | Added |
| Fred Alger Management, LLC | 8,476 | $1.56M | 0.01% | +8,476 | New |
| Utah Retirement Systems | 8,421 | $1.55M | 0.02% | +100+1.2% | Added |
| Russell Investments Group, Ltd. | 8,109 | $1.50M | 0.00% | −1,299−13.8% | Reduced |
| US Bancorp | 7,973 | $1.47M | 0.00% | +350+4.6% | Added |
| Quantinno Capital Management LP | 7,963 | $1.47M | 0.10% | +5,244+192.9% | Added |
| Gsa Capital Partners LLP | 7,907 | $1.46M | 0.14% | +7,907 | New |
| Teachers Retirement System of the State of Kentucky | 7,740 | $1.43M | 0.01% | 00.0% | Unchanged |
| Spears Abacus Advisors LLC | 7,711 | $1.42M | 0.13% | −1,231−13.8% | Reduced |
| Truist Financial Corp | 7,617 | $1.41M | 0.00% | −939−11.0% | Reduced |
| Public Employees Retirement Association of Colorado | 7,537 | $1.39M | 0.01% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 7,039 | $1.30M | 0.01% | +151+2.2% | Added |
| Brinker Capital Investments, LLC | 6,839 | $1.26M | 0.02% | −219−3.1% | Reduced |
| Orion Portfolio Solutions, LLC | 6,839 | $1.26M | 0.02% | +6,839 | New |
| Vontobel Holding Ltd. | 6,788 | $1.25M | 0.01% | +22+0.3% | Added |