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 |
|---|---|---|---|---|---|
| Commonwealth Equity Services, LLC | 4,130 | $1.00M | 0.00% | −440−9.6% | Reduced |
| Fort, L.P. | 4,145 | $1.00M | 0.29% | −2,100−33.6% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 4,148 | $1.01M | 0.00% | −199−4.6% | Reduced |
| Sciencast Management LP | 3,939 | $1.03M | 0.21% | +3,939 | New |
| Standard Life Aberdeen plc | 4,331 | $1.05M | 0.00% | −950−18.0% | Reduced |
| Point72 Hong Kong Ltd | 4,363 | $1.06M | 0.07% | −3,088−41.4% | Reduced |
| XTX Topco Ltd | 4,405 | $1.07M | 0.36% | +3,246+280.1% | Added |
| US Bancorp | 4,460 | $1.08M | 0.00% | −336−7.0% | Reduced |
| QS Investors, LLC | 4,501 | $1.09M | 0.01% | 00.0% | Unchanged |
| Tributary Capital Management, LLC | 4,600 | $1.11M | 0.08% | −4,200−47.7% | Reduced |
| Securian Asset Management, Inc | 4,651 | $1.13M | 0.02% | −150−3.1% | Reduced |
| Diversified Trust Co | 4,729 | $1.15M | 0.04% | −66−1.4% | Reduced |
| Caisse de Depot Et Placement du Quebec | 4,852 | $1.18M | 0.00% | +2,930+152.4% | Added |
| AlphaCrest Capital Management LLC | 4,856 | $1.18M | 0.05% | +1,640+51.0% | Added |
| Nomura Holdings Inc | 5,000 | $1.21M | 0.01% | −12,310−71.1% | Reduced |
| MML Investors Services, LLC | 5,225 | $1.27M | 0.01% | −187−3.5% | Reduced |
| Occudo Quantitative Strategies LP | 5,259 | $1.27M | 0.19% | +434+9.0% | Added |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 5,300 | $1.28M | 0.56% | −1,000−15.9% | Reduced |
| Nissay Asset Management Corp | 5,338 | $1.29M | 0.01% | −65−1.2% | Reduced |
| Pacer Advisors, Inc. | 5,359 | $1.30M | 0.02% | −63−1.2% | Reduced |
| Seven Eight Capital, LP | 5,400 | $1.31M | 0.18% | +5,400 | New |
| OPSEU Pension Plan Trust Fund | 5,290 | $1.33M | 0.34% | −301−5.4% | Reduced |
| Crossmark Global Holdings, Inc. | 5,516 | $1.34M | 0.03% | −390−6.6% | Reduced |
| Truist Financial Corp | 5,544 | $1.34M | 0.00% | −164−2.9% | Reduced |
| Brown Advisory Inc | 5,569 | $1.35M | 0.00% | −139−2.4% | Reduced |
| ProShare Advisors LLC | 5,651 | $1.37M | 0.00% | +784+16.1% | Added |
| Janney Montgomery Scott LLC | 5,717 | $1.39M | 0.01% | −342−5.6% | Reduced |
| Pitcairn Co | 5,753 | $1.40M | 0.09% | +906+18.7% | Added |
| Fiera Capital Corp | 5,876 | $1.43M | 0.00% | −6,907−54.0% | Reduced |
| Private Advisor Group, LLC | 5,934 | $1.44M | 0.01% | −238−3.9% | Reduced |
| DekaBank Deutsche Girozentrale | 5,940 | $1.45M | 0.00% | −146−2.4% | Reduced |
| Assetmark, Inc | 6,152 | $1.49M | 0.01% | +1,285+26.4% | Added |
| Altman Advisors, Inc. | 5,757 | $1.58M | 0.89% | +397+7.4% | Added |
| Rathbone Brothers plc | 6,600 | $1.60M | 0.02% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 6,701 | $1.63M | 0.00% | +676+11.2% | Added |
| IFM Investors Pty Ltd | 6,774 | $1.64M | 0.03% | +1,439+27.0% | Added |
| Teacher Retirement System of Texas | 6,799 | $1.65M | 0.01% | −27,425−80.1% | Reduced |
| Doliver Advisors, LP | 6,910 | $1.68M | 0.56% | −161−2.3% | Reduced |
| Two Sigma Investments, LP | 6,960 | $1.69M | 0.00% | −54,776−88.7% | Reduced |
| Mackenzie Financial Corp | 7,132 | $1.73M | 0.00% | +5,291+287.4% | Added |
| Congress Asset Management Co | 7,191 | $1.74M | 0.01% | +90+1.3% | Added |
| Jane Street Group, LLC | 7,222 | $1.75M | 0.00% | −15,029−67.5% | Reduced |
| American Century Companies Inc | 7,292 | $1.77M | 0.00% | +577+8.6% | Added |
| Teachers Retirement System of the State of Kentucky | 7,326 | $1.78M | 0.02% | 00.0% | Unchanged |
| PEAK6 Investments LLC | 7,485 | $1.81M | 0.05% | +4,101+121.2% | Added |
| Toronto Dominion Bank | 7,509 | $1.82M | 0.00% | +444+6.3% | Added |
| Public Employees Retirement Association of Colorado | 7,537 | $1.83M | 0.01% | 00.0% | Unchanged |
| Brown Advisory Securities, LLC | 7,661 | $1.86M | 0.29% | −200−2.5% | Reduced |
| Kornitzer Capital Management Inc | 7,720 | $1.87M | 0.03% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 7,917 | $1.92M | 0.03% | −63−0.8% | Reduced |
| Birchview Capital, LP | 8,000 | $1.94M | 1.16% | 00.0% | Unchanged |
| Northwestern Mutual Investment Management Company, LLC | 8,427 | $2.04M | 0.04% | −54−0.6% | Reduced |
| Azzad Asset Management Inc | 8,444 | $2.05M | 0.31% | +1,103+15.0% | Added |
| Alberta Investment Management Corp | 8,600 | $2.08M | 0.02% | +1,500+21.1% | Added |
| Creative Planning | 8,753 | $2.12M | 0.00% | −121−1.4% | Reduced |
| Stifel Financial Corp | 8,836 | $2.14M | 0.00% | −7,377−45.5% | Reduced |
| Cardinal Capital Management | 8,942 | $2.17M | 0.46% | −4,601−34.0% | Reduced |
| Advisor Group Holdings, Inc. | 9,087 | $2.20M | 0.00% | −497−5.2% | Reduced |
| Terry L. Blaker | 9,242 | $2.24M | 0.15% | +554+6.4% | Added |
| The PNC Financial Services Group, Inc. | 9,258 | $2.24M | 0.00% | +239+2.6% | Added |
| South Dakota Investment Council | 9,355 | $2.27M | 0.04% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,391 | $2.28M | 0.01% | 00.0% | Unchanged |
| Utah Retirement Systems | 9,521 | $2.31M | 0.03% | +200+2.1% | Added |
| Susquehanna Fundamental Investments, LLC | 9,585 | $2.32M | 0.04% | +9,585 | New |
| Xponance, Inc. | 9,650 | $2.34M | 0.04% | −747−7.2% | Reduced |
| Guggenheim Capital LLC | 9,879 | $2.40M | 0.01% | −1,062−9.7% | Reduced |
| Eukles Asset Management | 9,949 | $2.41M | 1.34% | +403+4.2% | Added |
| Northwest & Ethical Investments L.P. | 9,965 | $2.42M | 0.08% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 10,004 | $2.43M | 0.00% | −4,632−31.6% | Reduced |
| Waverton Investment Management Ltd | 10,105 | $2.45M | 0.10% | −1,357−11.8% | Reduced |
| Baird Financial Group, Inc. | 10,267 | $2.49M | 0.01% | +1,657+19.2% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 10,400 | $2.52M | 0.02% | −3,900−27.3% | Reduced |
| CIBC Asset Management Inc | 10,443 | $2.53M | 0.01% | +1,089+11.6% | 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 |
| New Mexico Educational Retirement Board | 10,500 | $2.55M | 0.09% | +1,600+18.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 10,627 | $2.58M | 0.01% | +2,091+24.5% | Added |
| AMP Capital Investors Ltd | 10,746 | $2.61M | 0.01% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 10,867 | $2.63M | 0.07% | +3,872+55.4% | Added |
| HighTower Advisors, LLC | 10,863 | $2.64M | 0.01% | +675+6.6% | Added |
| Andra AP-fonden | 11,200 | $2.71M | 0.06% | +5,600+100.0% | Added |
| Metropolitan Life Insurance Co | 11,312 | $2.74M | 0.04% | −826−6.8% | Reduced |
| Seeyond | 11,432 | $2.77M | 0.26% | +52+0.5% | Added |
| Storebrand Asset Management AS | 11,729 | $2.84M | 0.01% | −413−3.4% | Reduced |
| HRT Financial LP | 11,789 | $2.86M | 0.03% | +3,397+40.5% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 11,993 | $2.91M | 0.02% | −14−0.1% | Reduced |
| SG Americas Securities, LLC | 12,376 | $3.00M | 0.02% | +4,473+56.6% | Added |
| Arcadia Investment Management Corp | 12,479 | $3.03M | 0.57% | +109+0.9% | Added |
| Summit Global Investments | 12,642 | $3.07M | 0.18% | +857+7.3% | Added |
| State of Michigan Retirement System | 12,766 | $3.10M | 0.02% | −60,400−82.6% | Reduced |
| Citadel Advisors LLC | 12,818 | $3.11M | 0.00% | −23,851−65.0% | Reduced |
| Louisiana State Employees Retirement System | 13,100 | $3.18M | 0.08% | −100−0.8% | Reduced |
| Brookfield Asset Management Inc. | 13,376 | $3.24M | 0.02% | +13,376 | New |
| Employees Retirement System of Texas | 13,400 | $3.25M | 0.04% | 00.0% | Unchanged |
| Security Asset Management | 13,559 | $3.29M | 1.30% | +311+2.3% | Added |
| Ameritas Investment Partners, Inc. | 13,677 | $3.32M | 0.12% | −322−2.3% | Reduced |
| De Burlo Group Inc | 13,752 | $3.33M | 0.53% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 13,959 | $3.38M | 0.11% | +2,591+22.8% | Added |
| Royal London Asset Management Ltd | 14,109 | $3.42M | 0.01% | 00.0% | Unchanged |
| Ascent Wealth Partners, LLC | 14,404 | $3.49M | 0.67% | −201−1.4% | Reduced |