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, Q3 2024
Institutional positions in Masimo Corp as of Sep 30, 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
- 362
- +13 vs. Q2 2024
- Shares held
- 50.4M
- +10.3M (+25.6%) vs. Q2 2024
- Total value
- $6.72B
- +$1.66B (+32.8%) vs. Q2 2024
- New holders
- 61
- 110 more added
- Sold out
- 48
- 122 more reduced
3 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: 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, Q3 2024
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Quadrant Capital Group LLC | 1,376 | $183.5K | 0.01% | −154−10.1% | Reduced |
| Cresset Asset Management, LLC | 1,528 | $203.7K | 0.00% | +1,528 | New |
| CIBC Asset Management Inc | 1,544 | $205.9K | 0.00% | +1,544 | New |
| Cambridge Investment Research Advisors, Inc. | 1,542 | $206.0K | 0.00% | +1,542 | New |
| Qsemble Capital Management, LP | 1,617 | $215.6K | 0.04% | −1,154−41.6% | Reduced |
| Pitcairn Co | 1,635 | $218.0K | 0.01% | −163−9.1% | Reduced |
| Northwestern Mutual Wealth Management Co | 1,660 | $221.3K | 0.00% | +1,310+374.3% | Added |
| Perissos Private Wealth Management, LLC | 1,700 | $226.7K | 0.18% | 00.0% | Unchanged |
| Shelton Capital Management | 1,713 | $228.4K | 0.01% | 00.0% | Unchanged |
| Stifel Financial Corp | 1,716 | $228.8K | 0.00% | +1,716 | New |
| SeaCrest Wealth Management, LLC | 1,790 | $238.7K | 0.03% | 00.0% | Unchanged |
| Kapitalo Investimentos Ltda | 1,815 | $242.0K | 0.06% | +1,815 | New |
| Franklin Resources Inc | 1,683 | $242.9K | 0.00% | −227−11.9% | Reduced |
| Verition Fund Management LLC | 1,840 | $245.3K | 0.00% | +1,840 | New |
| State of Wyoming | 1,914 | $255.2K | 0.04% | +1,876+4,936.8% | Added |
| ProShare Advisors LLC | 1,925 | $256.7K | 0.00% | −178−8.5% | Reduced |
| Cerity Partners LLC | 1,953 | $260.4K | 0.00% | +1,953 | New |
| Tudor Investment Corp Et Al | 1,965 | $262.0K | 0.00% | −14,370−88.0% | Reduced |
| AE Wealth Management LLC | 1,980 | $264.0K | 0.00% | +45+2.3% | Added |
| Vestmark Advisory Solutions, Inc. | 2,042 | $272.3K | 0.01% | +2,042 | New |
| MML Investors Services, LLC | 2,056 | $274.0K | 0.00% | +96+4.9% | Added |
| Empowered Funds, LLC | 2,095 | $279.3K | 0.00% | +2,095 | New |
| Quantinno Capital Management LP | 2,110 | $281.3K | 0.00% | −1,788−45.9% | Reduced |
| Quest Partners LLC | 2,115 | $282.0K | 0.03% | +2,090+8,360.0% | Added |
| BancorpSouth Bank | 2,172 | $289.6K | 0.02% | 00.0% | Unchanged |
| Hardy Reed LLC | 2,172 | $289.7K | 0.03% | 00.0% | Unchanged |
| Mission Wealth Management, LP | 2,205 | $294.0K | 0.01% | +5+0.2% | Added |
| Coldstream Capital Management Inc | 2,281 | $304.6K | 0.01% | −169−6.9% | Reduced |
| Utah Retirement Systems | 2,300 | $306.7K | 0.00% | −4,821−67.7% | Reduced |
| Toroso Investments, LLC | 2,389 | $318.5K | 0.00% | +2,389 | New |
| Allspring Global Investments Holdings, LLC | 2,394 | $319.2K | 0.00% | +2,350+5,340.9% | Added |
| Wealth Enhancement Advisory Services, LLC | 2,408 | $321.1K | 0.00% | +50+2.1% | Added |
| KCM Investment Advisors LLC | 2,415 | $322.0K | 0.01% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 2,447 | $326.3K | 0.01% | −1,289−34.5% | Reduced |
| Inceptionr LLC | 2,455 | $327.3K | 0.08% | +2,455 | New |
| M&T Bank Corp | 2,536 | $338.1K | 0.00% | +56+2.3% | Added |
| Wesleyan Assurance Society | 2,550 | $340.0K | 0.03% | 00.0% | Unchanged |
| North Star Asset Management Inc | 2,571 | $342.8K | 0.02% | −840−24.6% | Reduced |
| Buckhead Capital Management LLC | 2,650 | $353.3K | 0.11% | 00.0% | Unchanged |
| Sigma Planning Corp | 2,765 | $368.7K | 0.01% | 00.0% | Unchanged |
| 180 Wealth Advisors, LLC | 2,782 | $370.9K | 0.06% | +61+2.2% | Added |
| CWM Advisors, LLC | 2,964 | $395.2K | 0.04% | +2,964 | New |
| DAFNA Capital Management LLC | 3,000 | $400.0K | 0.09% | 00.0% | Unchanged |
| Malaga Cove Capital, LLC | 3,005 | $400.7K | 0.16% | +3,005 | New |
| M&G Plc | 3,053 | $406.0K | 0.00% | −187−5.8% | Reduced |
| Mariner, LLC | 3,138 | $418.3K | 0.00% | −3,734−54.3% | Reduced |
| Vontobel Holding Ltd. | 3,186 | $424.8K | 0.00% | +6+0.2% | Added |
| Crossmark Global Holdings, Inc. | 3,248 | $433.0K | 0.01% | +409+14.4% | Added |
| Securian Asset Management, Inc | 3,433 | $457.7K | 0.01% | −123−3.5% | Reduced |
| Oxford Financial Group Ltd | 3,446 | $459.5K | 0.03% | 00.0% | Unchanged |
| LPL Financial LLC | 3,507 | $467.5K | 0.00% | +18+0.5% | Added |
| Oppenheimer Asset Management Inc. | 3,584 | $477.9K | 0.01% | +3,584 | New |
| Verus Capital Partners, LLC | 3,651 | $486.8K | 0.05% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 3,698 | $493.0K | 0.00% | −807−17.9% | Reduced |
| Kovitz Investment Group Partners, LLC | 3,902 | $498.7K | 0.00% | +3,902 | New |
| The PNC Financial Services Group, Inc. | 3,845 | $512.7K | 0.00% | −53−1.4% | Reduced |
| CI Private Wealth, LLC | 3,886 | $518.1K | 0.00% | −161−4.0% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 3,893 | $519.1K | 0.03% | +3,893 | New |
| ADAR1 Capital Management, LLC | 3,894 | $519.2K | 0.09% | +3,856+10,147.4% | Added |
| Truist Financial Corp | 3,895 | $519.3K | 0.00% | −233−5.6% | Reduced |
| Private Advisor Group, LLC | 4,155 | $554.0K | 0.00% | −185−4.3% | Reduced |
| Commerce Bank | 4,221 | $562.8K | 0.00% | +33+0.8% | Added |
| Steel Peak Wealth Management LLC | 4,274 | $569.9K | 0.03% | +4,274 | New |
| Neuberger Berman Group LLC | 4,297 | $572.9K | 0.00% | −118−2.7% | Reduced |
| Guggenheim Capital LLC | 4,347 | $579.6K | 0.00% | −152−3.4% | Reduced |
| US Bancorp | 4,370 | $582.7K | 0.00% | −101−2.3% | Reduced |
| Brown Capital Management LLC | 4,404 | $587.2K | 0.01% | −22,407−83.6% | Reduced |
| Fred Alger Management, LLC | 4,459 | $594.5K | 0.00% | +4,459 | New |
| Graham Capital Management, L.P. | 4,483 | $597.7K | 0.02% | +4,483 | New |
| Allianz Asset Management GmbH | 4,557 | $607.6K | 0.00% | −2,150−32.1% | Reduced |
| Brinker Capital Investments, LLC | 4,681 | $624.1K | 0.01% | −540−10.3% | Reduced |
| Orion Portfolio Solutions, LLC | 4,681 | $624.1K | 0.01% | −540−10.3% | Reduced |
| HighTower Advisors, LLC | 4,810 | $640.0K | 0.00% | −408−7.8% | Reduced |
| Public Employees Retirement Association of Colorado | 4,841 | $645.0K | 0.00% | 00.0% | Unchanged |
| Centiva Capital, LP | 5,087 | $678.3K | 0.03% | +5,087 | New |
| State of Alaska, Department of Revenue | 5,139 | $685.0K | 0.01% | +345+7.2% | Added |
| First Trust Advisors LP | 5,376 | $716.8K | 0.00% | −74,029−93.2% | Reduced |
| Pathstone Holdings, LLC | 5,572 | $742.9K | 0.00% | −106−1.9% | Reduced |
| JustInvest LLC | 5,607 | $747.6K | 0.01% | +233+4.3% | Added |
| Susquehanna International Group, LLP | 5,668 | $755.7K | 0.00% | −17,076−75.1% | Reduced |
| Deutsche Bank AG | 5,691 | $758.8K | 0.00% | −22−0.4% | Reduced |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 5,731 | $764.1K | 0.03% | +812+16.5% | Added |
| Pictet Asset Management Holding SA | 5,784 | $771.2K | 0.00% | +383+7.1% | Added |
| Pacer Advisors, Inc. | 6,452 | $860.2K | 0.00% | −230−3.4% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 6,453 | $860.4K | 0.00% | −234−3.5% | Reduced |
| Prudential Financial Inc | 6,636 | $884.8K | 0.00% | +4,415+198.8% | Added |
| Xponance, Inc. | 6,726 | $896.8K | 0.01% | −22−0.3% | Reduced |
| Eukles Asset Management | 7,004 | $933.8K | 0.37% | −295−4.0% | Reduced |
| Acadian Asset Management LLC | 7,169 | $953.0K | 0.00% | +7,169 | New |
| Lombard Odier Asset Management (USA) Corp | 7,171 | $956.1K | 0.36% | +7,171 | New |
| Advisor Group Holdings, Inc. | 7,280 | $970.6K | 0.00% | −429−5.6% | Reduced |
| Baird Financial Group, Inc. | 7,284 | $971.2K | 0.00% | +2,900+66.1% | Added |
| Bridgewater Associates, LP | 7,617 | $1.02M | 0.01% | −2,845−27.2% | Reduced |
| Winton Group Ltd | 7,712 | $1.03M | 0.07% | +7,712 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,877 | $1.05M | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 8,230 | $1.10M | 0.08% | −3,978−32.6% | Reduced |
| Quantitative Investment Management, LLC | 8,640 | $1.15M | 0.11% | −2,494−22.4% | Reduced |
| De Burlo Group Inc | 8,752 | $1.17M | 0.14% | −1,100−11.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 8,791 | $1.17M | 0.01% | −2,879−24.7% | Reduced |
| Raymond James Trust N.A. | 8,814 | $1.18M | 0.03% | +2,400+37.4% | Added |