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, Q2 2021
Institutional positions in Masimo Corp as of Jun 30, 2021. 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
- 459
- −20 vs. Q1 2021
- Shares held
- 45.8M
- +1.39M (+3.1%) vs. Q1 2021
- Total value
- $11.1B
- +$909.0M (+8.9%) vs. Q1 2021
- New holders
- 45
- 165 more added
- Sold out
- 65
- 172 more reduced
2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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, Q2 2021
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Amalgamated Bank | 39,759 | $9.64M | 0.08% | +36,914+1,297.5% | Added |
| Forte Capital LLC | 38,443 | $9.32M | 1.27% | +622+1.6% | Added |
| Texas Permanent School Fund | 37,708 | $9.14M | 0.11% | −278−0.7% | Reduced |
| Gabelli Funds LLC | 36,000 | $8.73M | 0.06% | −200−0.6% | Reduced |
| Shell Asset Management Co | 35,839 | $8.69M | 0.17% | +13,631+61.4% | Added |
| Brewin Dolphin Wealth Management Ltd | 35,556 | $8.62M | 1.05% | +18,366+106.8% | Added |
| Paradigm Capital Management Inc | 35,553 | $8.62M | 0.41% | +2,000+6.0% | Added |
| State of Alaska, Department of Revenue | 34,077 | $8.26M | 0.08% | −1,860−5.2% | Reduced |
| NS Partners Ltd | 33,868 | $8.21M | 0.43% | −4,073−10.7% | Reduced |
| Nomura Asset Management Co Ltd | 33,459 | $8.11M | 0.05% | +687+2.1% | Added |
| Envestnet Asset Management Inc | 32,873 | $7.97M | 0.00% | +6,599+25.1% | Added |
| Comerica Bank | 28,011 | $7.79M | 0.05% | −3,262−10.4% | Reduced |
| Janus Henderson Group PLC | 31,990 | $7.75M | 0.00% | −43,184−57.4% | Reduced |
| Handelsinvest Investeringsforvaltning | 30,000 | $7.27M | 0.81% | +7,000+30.4% | Added |
| State of New Jersey Common Pension Fund D | 29,133 | $7.06M | 0.02% | −3,867−11.7% | Reduced |
| Public Employees Retirement System of Ohio | 29,061 | $7.05M | 0.02% | −1,571−5.1% | Reduced |
| Voya Investment Management LLC | 28,750 | $6.97M | 0.01% | −3,076−9.7% | Reduced |
| Banco Santander, S.A. | 28,233 | $6.84M | 0.04% | 00.0% | Unchanged |
| LPL Financial LLC | 26,854 | $6.51M | 0.01% | −442−1.6% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 26,632 | $6.46M | 0.08% | −6,156−18.8% | Reduced |
| State of Wisconsin Investment Board | 25,692 | $6.23M | 0.01% | +1,865+7.8% | Added |
| Prudential Financial Inc | 25,643 | $6.22M | 0.01% | +9,225+56.2% | Added |
| MetLife Investment Management | 25,284 | $6.13M | 0.05% | −980−3.7% | Reduced |
| Russell Investments Group, Ltd. | 25,260 | $6.12M | 0.01% | −5,392−17.6% | Reduced |
| Price T Rowe Associates Inc | 24,868 | $6.03M | 0.00% | −3,185−11.4% | Reduced |
| Railway Pension Investments Ltd | 24,500 | $5.94M | 0.05% | +1,000+4.3% | Added |
| Erste Asset Management GmbH | 24,000 | $5.82M | 0.12% | −10,000−29.4% | Reduced |
| Holocene Advisors, LP | 23,908 | $5.80M | 0.04% | +14,891+165.1% | Added |
| Man Group plc | 23,668 | $5.74M | 0.02% | +725+3.2% | Added |
| Illinois Municipal Retirement Fund | 23,283 | $5.64M | 0.23% | −3,444−12.9% | Reduced |
| KBC Group NV | 22,808 | $5.53M | 0.02% | +3,660+19.1% | Added |
| State of Tennessee, Treasury Department | 22,690 | $5.50M | 0.02% | 00.0% | Unchanged |
| Asset Management One Co.,Ltd. | 22,385 | $5.43M | 0.02% | −2,939−11.6% | Reduced |
| Polar Capital Holdings Plc | 21,612 | $5.24M | 0.03% | +1,788+9.0% | Added |
| Vontobel Holding Ltd. | 21,150 | $5.22M | 0.05% | +1,443+7.3% | Added |
| McKinley Capital Management LLC /Delaware | 21,330 | $5.17M | 0.36% | 00.0% | Unchanged |
| North Star Asset Management Inc | 21,168 | $5.13M | 0.28% | +293+1.4% | Added |
| Candriam Luxembourg S.C.A. | 21,090 | $5.11M | 0.04% | +2,911+16.0% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 21,054 | $5.11M | 0.03% | +2,632+14.3% | Added |
| Ravenstone Capital Management Inc. | 20,475 | $4.96M | 4.45% | +20,475 | New |
| Carmignac Gestion | 20,184 | $4.92M | 0.06% | +4,083+25.4% | Added |
| Two Sigma Advisers, LP | 20,100 | $4.87M | 0.01% | −21,700−51.9% | Reduced |
| Capital Impact Advisors, LLC | 18,743 | $4.54M | 1.47% | +6,893+58.2% | Added |
| Federated Hermes, Inc. | 18,324 | $4.44M | 0.01% | −45,834−71.4% | Reduced |
| Treasurer of the State of North Carolina | 18,162 | $4.40M | 0.03% | −540−2.9% | Reduced |
| Pictet Asset Management Ltd | 18,063 | $4.38M | 0.00% | −1,537−7.8% | Reduced |
| Oregon Public Employees Retirement Fund | 17,343 | $4.21M | 0.05% | −4,496−20.6% | Reduced |
| Mandatum Life Insurance Co Ltd | 17,279 | $4.19M | 0.76% | 00.0% | Unchanged |
| Personal Capital Advisors Corp | 17,021 | $4.13M | 0.02% | +11+0.1% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 16,857 | $4.09M | 0.05% | −106−0.6% | Reduced |
| Unigestion Holding SA | 16,519 | $4.08M | 0.15% | −4,805−22.5% | Reduced |
| Autus Asset Management, LLC | 16,738 | $4.06M | 0.44% | +385+2.4% | Added |
| Fred Alger Management, LLC | 16,572 | $4.02M | 0.01% | −177,090−91.4% | Reduced |
| Advisors Asset Management, Inc. | 16,393 | $3.97M | 0.06% | −5,343−24.6% | Reduced |
| Aviva PLC | 15,793 | $3.83M | 0.02% | −5,900−27.2% | Reduced |
| Aigen Investment Management, LP | 14,918 | $3.62M | 0.63% | +8,858+146.2% | Added |
| Brewin Dolphin Ltd | 14,915 | $3.62M | 0.16% | −5,942−28.5% | Reduced |
| Arizona State Retirement System | 14,840 | $3.60M | 0.03% | −240−1.6% | Reduced |
| Ascent Wealth Partners, LLC | 14,404 | $3.49M | 0.67% | −201−1.4% | Reduced |
| Royal London Asset Management Ltd | 14,109 | $3.42M | 0.01% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 13,959 | $3.38M | 0.11% | +2,591+22.8% | Added |
| De Burlo Group Inc | 13,752 | $3.33M | 0.53% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 13,677 | $3.32M | 0.12% | −322−2.3% | Reduced |
| Security Asset Management | 13,559 | $3.29M | 1.30% | +311+2.3% | Added |
| Employees Retirement System of Texas | 13,400 | $3.25M | 0.04% | 00.0% | Unchanged |
| Brookfield Asset Management Inc. | 13,376 | $3.24M | 0.02% | +13,376 | New |
| Louisiana State Employees Retirement System | 13,100 | $3.18M | 0.08% | −100−0.8% | Reduced |
| Citadel Advisors LLC | 12,818 | $3.11M | 0.00% | −23,851−65.0% | Reduced |
| State of Michigan Retirement System | 12,766 | $3.10M | 0.02% | −60,400−82.6% | Reduced |
| Summit Global Investments | 12,642 | $3.07M | 0.18% | +857+7.3% | Added |
| Arcadia Investment Management Corp | 12,479 | $3.03M | 0.57% | +109+0.9% | Added |
| SG Americas Securities, LLC | 12,376 | $3.00M | 0.02% | +4,473+56.6% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 11,993 | $2.91M | 0.02% | −14−0.1% | Reduced |
| HRT Financial LP | 11,789 | $2.86M | 0.03% | +3,397+40.5% | Added |
| Storebrand Asset Management AS | 11,729 | $2.84M | 0.01% | −413−3.4% | Reduced |
| Seeyond | 11,432 | $2.77M | 0.26% | +52+0.5% | Added |
| Metropolitan Life Insurance Co | 11,312 | $2.74M | 0.04% | −826−6.8% | Reduced |
| Andra AP-fonden | 11,200 | $2.71M | 0.06% | +5,600+100.0% | Added |
| HighTower Advisors, LLC | 10,863 | $2.64M | 0.01% | +675+6.6% | Added |
| Tower Research Capital LLC (TRC) | 10,867 | $2.63M | 0.07% | +3,872+55.4% | Added |
| AMP Capital Investors Ltd | 10,746 | $2.61M | 0.01% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 10,627 | $2.58M | 0.01% | +2,091+24.5% | Added |
| New Mexico Educational Retirement Board | 10,500 | $2.55M | 0.09% | +1,600+18.0% | Added |
| Millennium Management LLC | 10,451 | $2.53M | 0.00% | −47,089−81.8% | Reduced |
| Gulf International Bank (UK) Ltd | 10,455 | $2.53M | 0.03% | −90−0.9% | Reduced |
| CIBC Asset Management Inc | 10,443 | $2.53M | 0.01% | +1,089+11.6% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 10,400 | $2.52M | 0.02% | −3,900−27.3% | Reduced |
| Baird Financial Group, Inc. | 10,267 | $2.49M | 0.01% | +1,657+19.2% | Added |
| Waverton Investment Management Ltd | 10,105 | $2.45M | 0.10% | −1,357−11.8% | Reduced |
| BNP Paribas Arbitrage, SA | 10,004 | $2.43M | 0.00% | −4,632−31.6% | Reduced |
| Northwest & Ethical Investments L.P. | 9,965 | $2.42M | 0.08% | 00.0% | Unchanged |
| Eukles Asset Management | 9,949 | $2.41M | 1.34% | +403+4.2% | Added |
| Guggenheim Capital LLC | 9,879 | $2.40M | 0.01% | −1,062−9.7% | Reduced |
| Xponance, Inc. | 9,650 | $2.34M | 0.04% | −747−7.2% | Reduced |
| Susquehanna Fundamental Investments, LLC | 9,585 | $2.32M | 0.04% | +9,585 | New |
| Utah Retirement Systems | 9,521 | $2.31M | 0.03% | +200+2.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,391 | $2.28M | 0.01% | 00.0% | Unchanged |
| South Dakota Investment Council | 9,355 | $2.27M | 0.04% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 9,258 | $2.24M | 0.00% | +239+2.6% | Added |
| Terry L. Blaker | 9,242 | $2.24M | 0.15% | +554+6.4% | Added |