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 |
|---|---|---|---|---|---|
| Advisor Group Holdings, Inc. | 9,087 | $2.20M | 0.00% | −497−5.2% | Reduced |
| Cardinal Capital Management | 8,942 | $2.17M | 0.46% | −4,601−34.0% | Reduced |
| Stifel Financial Corp | 8,836 | $2.14M | 0.00% | −7,377−45.5% | Reduced |
| Creative Planning | 8,753 | $2.12M | 0.00% | −121−1.4% | Reduced |
| Alberta Investment Management Corp | 8,600 | $2.08M | 0.02% | +1,500+21.1% | Added |
| Azzad Asset Management Inc | 8,444 | $2.05M | 0.31% | +1,103+15.0% | Added |
| Northwestern Mutual Investment Management Company, LLC | 8,427 | $2.04M | 0.04% | −54−0.6% | Reduced |
| Birchview Capital, LP | 8,000 | $1.94M | 1.16% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 7,917 | $1.92M | 0.03% | −63−0.8% | Reduced |
| Kornitzer Capital Management Inc | 7,720 | $1.87M | 0.03% | 00.0% | Unchanged |
| Brown Advisory Securities, LLC | 7,661 | $1.86M | 0.29% | −200−2.5% | Reduced |
| Public Employees Retirement Association of Colorado | 7,537 | $1.83M | 0.01% | 00.0% | Unchanged |
| Toronto Dominion Bank | 7,509 | $1.82M | 0.00% | +444+6.3% | Added |
| PEAK6 Investments LLC | 7,485 | $1.81M | 0.05% | +4,101+121.2% | Added |
| Teachers Retirement System of the State of Kentucky | 7,326 | $1.78M | 0.02% | 00.0% | Unchanged |
| American Century Companies Inc | 7,292 | $1.77M | 0.00% | +577+8.6% | Added |
| Jane Street Group, LLC | 7,222 | $1.75M | 0.00% | −15,029−67.5% | Reduced |
| Congress Asset Management Co | 7,191 | $1.74M | 0.01% | +90+1.3% | Added |
| Mackenzie Financial Corp | 7,132 | $1.73M | 0.00% | +5,291+287.4% | Added |
| Two Sigma Investments, LP | 6,960 | $1.69M | 0.00% | −54,776−88.7% | Reduced |
| Doliver Advisors, LP | 6,910 | $1.68M | 0.56% | −161−2.3% | Reduced |
| Teacher Retirement System of Texas | 6,799 | $1.65M | 0.01% | −27,425−80.1% | Reduced |
| IFM Investors Pty Ltd | 6,774 | $1.64M | 0.03% | +1,439+27.0% | Added |
| Allianz Asset Management GmbH | 6,701 | $1.63M | 0.00% | +676+11.2% | Added |
| Rathbone Brothers plc | 6,600 | $1.60M | 0.02% | 00.0% | Unchanged |
| Altman Advisors, Inc. | 5,757 | $1.58M | 0.89% | +397+7.4% | Added |
| Assetmark, Inc | 6,152 | $1.49M | 0.01% | +1,285+26.4% | Added |
| DekaBank Deutsche Girozentrale | 5,940 | $1.45M | 0.00% | −146−2.4% | Reduced |
| Private Advisor Group, LLC | 5,934 | $1.44M | 0.01% | −238−3.9% | Reduced |
| Fiera Capital Corp | 5,876 | $1.43M | 0.00% | −6,907−54.0% | Reduced |
| Pitcairn Co | 5,753 | $1.40M | 0.09% | +906+18.7% | Added |
| Janney Montgomery Scott LLC | 5,717 | $1.39M | 0.01% | −342−5.6% | Reduced |
| ProShare Advisors LLC | 5,651 | $1.37M | 0.00% | +784+16.1% | Added |
| Brown Advisory Inc | 5,569 | $1.35M | 0.00% | −139−2.4% | Reduced |
| Truist Financial Corp | 5,544 | $1.34M | 0.00% | −164−2.9% | Reduced |
| Crossmark Global Holdings, Inc. | 5,516 | $1.34M | 0.03% | −390−6.6% | Reduced |
| OPSEU Pension Plan Trust Fund | 5,290 | $1.33M | 0.34% | −301−5.4% | Reduced |
| Seven Eight Capital, LP | 5,400 | $1.31M | 0.18% | +5,400 | New |
| Pacer Advisors, Inc. | 5,359 | $1.30M | 0.02% | −63−1.2% | Reduced |
| Nissay Asset Management Corp | 5,338 | $1.29M | 0.01% | −65−1.2% | Reduced |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 5,300 | $1.28M | 0.56% | −1,000−15.9% | Reduced |
| Occudo Quantitative Strategies LP | 5,259 | $1.27M | 0.19% | +434+9.0% | Added |
| MML Investors Services, LLC | 5,225 | $1.27M | 0.01% | −187−3.5% | Reduced |
| Nomura Holdings Inc | 5,000 | $1.21M | 0.01% | −12,310−71.1% | Reduced |
| AlphaCrest Capital Management LLC | 4,856 | $1.18M | 0.05% | +1,640+51.0% | Added |
| Caisse de Depot Et Placement du Quebec | 4,852 | $1.18M | 0.00% | +2,930+152.4% | Added |
| Diversified Trust Co | 4,729 | $1.15M | 0.04% | −66−1.4% | Reduced |
| Securian Asset Management, Inc | 4,651 | $1.13M | 0.02% | −150−3.1% | Reduced |
| Tributary Capital Management, LLC | 4,600 | $1.11M | 0.08% | −4,200−47.7% | Reduced |
| QS Investors, LLC | 4,501 | $1.09M | 0.01% | 00.0% | Unchanged |
| US Bancorp | 4,460 | $1.08M | 0.00% | −336−7.0% | Reduced |
| XTX Topco Ltd | 4,405 | $1.07M | 0.36% | +3,246+280.1% | Added |
| Point72 Hong Kong Ltd | 4,363 | $1.06M | 0.07% | −3,088−41.4% | Reduced |
| Standard Life Aberdeen plc | 4,331 | $1.05M | 0.00% | −950−18.0% | Reduced |
| Sciencast Management LP | 3,939 | $1.03M | 0.21% | +3,939 | New |
| Raymond James Financial Services Advisors, Inc. | 4,148 | $1.01M | 0.00% | −199−4.6% | Reduced |
| Fort, L.P. | 4,145 | $1.00M | 0.29% | −2,100−33.6% | Reduced |
| Commonwealth Equity Services, LLC | 4,130 | $1.00M | 0.00% | −440−9.6% | Reduced |
| Stoneridge Investment Partners LLC | 3,987 | $967.0K | 0.47% | +3,987 | New |
| Maryland State Retirement & Pension System | 3,736 | $961.0K | 0.03% | 00.0% | Unchanged |
| Westpac Banking Corp | 3,952 | $958.2K | 0.01% | 00.0% | Unchanged |
| First Trust Advisors LP | 3,954 | $958.0K | 0.00% | −66,227−94.4% | Reduced |
| Nisa Investment Advisors, LLC | 3,817 | $925.0K | 0.01% | −100−2.6% | Reduced |
| Marshall Wace North America L.P. | 3,756 | $911.0K | 0.00% | −1,795−32.3% | Reduced |
| Knowledge Leaders Capital, LLC | 3,735 | $906.0K | 0.61% | +3,735 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 3,720 | $901.0K | 0.02% | +36+1.0% | Added |
| Institutional & Family Asset Management, LLC | 3,650 | $885.0K | 0.15% | 00.0% | Unchanged |
| Oxford Financial Group Ltd | 3,642 | $883.0K | 0.12% | +212+6.2% | Added |
| Cambridge Investment Research Advisors, Inc. | 3,553 | $861.0K | 0.00% | +918+34.8% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 3,535 | $857.0K | 0.04% | +50+1.4% | Added |
| Schonfeld Strategic Advisors LLC | 3,458 | $838.0K | 0.01% | +958+38.3% | Added |
| National Pension Service | 3,405 | $826.0K | 0.00% | +405+13.5% | Added |
| Arthur M. Cohen & Associates, LLC | 3,340 | $810.0K | 0.17% | −10.0% | Reduced |
| Profund Advisors LLC | 3,320 | $805.0K | 0.03% | −78−2.3% | Reduced |
| Cubist Systematic Strategies, LLC | 3,156 | $765.0K | 0.01% | −34,963−91.7% | Reduced |
| Crown Advisors Management, Inc. | 3,000 | $727.0K | 0.52% | −5,000−62.5% | Reduced |
| DAFNA Capital Management LLC | 3,000 | $727.0K | 0.15% | 00.0% | Unchanged |
| STRS Ohio | 2,920 | $707.0K | 0.00% | −1,567−34.9% | Reduced |
| Shelton Capital Management | 2,858 | $693.0K | 0.03% | 00.0% | Unchanged |
| Van Eck Associates Corp | 2,849 | $691.0K | 0.00% | +113+4.1% | Added |
| Robeco Institutional Asset Management B.V. | 2,784 | $675.0K | 0.00% | −3,286−54.1% | Reduced |
| Panagora Asset Management Inc | 2,654 | $643.0K | 0.00% | +489+22.6% | Added |
| Susquehanna International Group, LLP | 2,646 | $642.0K | 0.00% | −13,861−84.0% | Reduced |
| Guardian Capital LP | 2,578 | $625.0K | 0.01% | 00.0% | Unchanged |
| American Portfolios Advisors | 2,503 | $606.9K | 0.02% | +50+2.0% | Added |
| Daiwa Securities Group Inc. | 2,493 | $604.0K | 0.00% | +100+4.2% | Added |
| Intrust Bank NA | 2,485 | $603.0K | 0.08% | −42−1.7% | Reduced |
| Raymond James Trust N.A. | 2,482 | $602.0K | 0.02% | +147+6.3% | Added |
| Nordea Investment Management AB | 2,479 | $601.0K | 0.00% | 00.0% | Unchanged |
| Legal Advantage Investments, Inc. | 2,475 | $600.0K | 0.41% | 00.0% | Unchanged |
| Fosun International Ltd | 2,400 | $593.0K | 0.04% | −1,100−31.4% | Reduced |
| Formuepleje A/S | 2,440 | $591.6K | 0.02% | +154+6.7% | Added |
| KCM Investment Advisors LLC | 2,435 | $590.0K | 0.02% | 00.0% | Unchanged |
| Moneta Group Investment Advisors LLC | 2,409 | $584.0K | 0.03% | −1,810−42.9% | Reduced |
| Commerce Bank | 2,340 | $568.0K | 0.00% | +10+0.4% | Added |
| M&T Bank Corp | 2,317 | $562.0K | 0.00% | +31+1.4% | Added |
| Banque Cantonale Vaudoise | 2,300 | $557.0K | 0.02% | +2,000+666.7% | Added |
| Independent Advisor Alliance | 2,274 | $551.0K | 0.03% | −50−2.2% | Reduced |
| Symmetry Partners, LLC | 2,178 | $528.0K | 0.04% | 00.0% | Unchanged |
| BancorpSouth Bank | 2,172 | $527.0K | 0.08% | 00.0% | Unchanged |