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, Q4 2022
Institutional positions in Masimo Corp as of Dec 31, 2022. 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
- 405
- −8 vs. Q3 2022
- Shares held
- 44.4M
- −1.85M (−4.0%) vs. Q3 2022
- Total value
- $6.58B
- +$40.0M (+0.6%) vs. Q3 2022
- New holders
- 53
- 116 more added
- Sold out
- 61
- 172 more reduced
5 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| United Community Bank | 1,057 | $156.4K | 0.15% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 1,058 | $156.5K | 0.02% | −138−11.5% | Reduced |
| Walleye Trading LLC | 1,107 | $163.8K | 0.00% | +517+87.6% | Added |
| Whittier Trust Co | 1,134 | $167.8K | 0.00% | 00.0% | Unchanged |
| Twin Tree Management, LP | 1,200 | $177.5K | 0.01% | +1,200 | New |
| CWM, LLC | 1,276 | $189.0K | 0.00% | −77−5.7% | Reduced |
| Wesleyan Assurance Society | 1,300 | $192.0K | 0.02% | +500+62.5% | Added |
| Raymond James Financial Services Advisors, Inc. | 1,354 | $200.3K | 0.00% | −881−39.4% | Reduced |
| CIBC Asset Management Inc | 1,364 | $201.8K | 0.00% | −761−35.8% | Reduced |
| SG Americas Securities, LLC | 1,365 | $202.0K | 0.00% | +1,365 | New |
| Ethic Inc. | 1,396 | $206.5K | 0.01% | −627−31.0% | Reduced |
| CI Private Wealth, LLC | 1,523 | $225.3K | 0.00% | +1,523 | New |
| Captrust Financial Advisors | 1,583 | $234.2K | 0.00% | −17−1.1% | Reduced |
| Pitcairn Co | 1,637 | $242.2K | 0.02% | +13+0.8% | Added |
| Qube Research & Technologies Ltd | 1,644 | $243.2K | 0.00% | +1,644 | New |
| M&G Investment Management Ltd | 1,674 | $247.8K | 0.00% | +22+1.3% | Added |
| Seaport Global Advisors, LLC | 1,682 | $248.9K | 0.86% | +1,682 | New |
| Barrett & Company, Inc. | 1,700 | $251.5K | 0.17% | 00.0% | Unchanged |
| AE Wealth Management LLC | 1,721 | $254.6K | 0.00% | +128+8.0% | Added |
| Janney Capital Management LLC | 1,772 | $262.0K | 0.02% | −22−1.2% | Reduced |
| M&T Bank Corp | 1,774 | $262.1K | 0.00% | −63−3.4% | Reduced |
| Tower Research Capital LLC (TRC) | 1,782 | $264.0K | 0.01% | +15+0.8% | Added |
| Advisor Partners II, LLC | 1,806 | $267.2K | 0.02% | −1,083−37.5% | Reduced |
| Capital Impact Advisors, LLC | 1,871 | $276.8K | 0.27% | +154+9.0% | Added |
| Commerce Bank | 1,938 | $286.7K | 0.00% | −32−1.6% | Reduced |
| Yorktown Management & Research Co Inc | 1,950 | $288.5K | 0.35% | 00.0% | Unchanged |
| Stifel Financial Corp | 2,008 | $297.1K | 0.00% | −1,020−33.7% | Reduced |
| Silvercrest Asset Management Group LLC | 2,010 | $297.4K | 0.00% | −311−13.4% | Reduced |
| Asahi Life Asset Management Co., Ltd. | 2,040 | $301.8K | 0.10% | +2,040 | New |
| HighTower Advisors, LLC | 2,066 | $306.0K | 0.00% | −393−16.0% | Reduced |
| Profund Advisors LLC | 2,160 | $319.6K | 0.02% | +87+4.2% | Added |
| BancorpSouth Bank | 2,172 | $321.3K | 0.03% | 00.0% | Unchanged |
| Washington Capital Management Inc | 2,200 | $325.5K | 0.30% | +2,200 | New |
| Diversified Trust Co | 2,222 | $329.0K | 0.01% | −4,047−64.6% | Reduced |
| HBK Sorce Advisory LLC | 2,230 | $330.0K | 0.01% | +2,230 | New |
| Red Spruce Capital, LLC | 2,263 | $334.8K | 0.21% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 2,354 | $348.3K | 0.00% | +2,354 | New |
| Commonwealth Equity Services, LLC | 2,414 | $357.0K | 0.00% | +365+17.8% | Added |
| Coldstream Capital Management Inc | 2,455 | $363.2K | 0.01% | +2,455 | New |
| Shelton Capital Management | 2,474 | $366.0K | 0.04% | −210−7.8% | Reduced |
| KCM Investment Advisors LLC | 2,515 | $372.0K | 0.02% | 00.0% | Unchanged |
| Buckhead Capital Management LLC | 2,545 | $376.5K | 0.09% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 2,719 | $402.0K | 0.03% | +74+2.8% | Added |
| Wolverine Trading, LLC | 2,717 | $402.0K | 0.01% | +2,717 | New |
| Prudential PLC | 2,780 | $411.3K | 0.01% | +2,780 | New |
| Sigma Planning Corp | 2,802 | $414.6K | 0.01% | +2+0.1% | Added |
| Daiwa Securities Group Inc. | 2,823 | $418.0K | 0.00% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 2,843 | $420.0K | 0.00% | +209+7.9% | Added |
| Vestcor Inc | 2,944 | $436.0K | 0.02% | +1,702+137.0% | Added |
| Y-Intercept (Hong Kong) Ltd | 2,960 | $437.9K | 0.06% | +2,960 | New |
| DAFNA Capital Management LLC | 3,000 | $443.9K | 0.13% | 00.0% | Unchanged |
| Prudential Financial Inc | 3,011 | $445.5K | 0.00% | −1,170−28.0% | Reduced |
| KBC Group NV | 3,034 | $449.0K | 0.00% | +2,121+232.3% | Added |
| Winton Group Ltd | 3,061 | $452.9K | 0.03% | −1,456−32.2% | Reduced |
| Allstate Corp | 3,086 | $456.6K | 0.01% | −1,200−28.0% | Reduced |
| Allstate Investment Management Co | 3,086 | $456.6K | 0.01% | +3,086 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 3,113 | $460.6K | 0.01% | 00.0% | Unchanged |
| Arkadios Wealth Advisors | 3,133 | $463.5K | 0.06% | −35−1.1% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 3,209 | $475.0K | 0.00% | −303−8.6% | Reduced |
| PEAK6 Investments LLC | 3,365 | $497.9K | 0.03% | +1,443+75.1% | Added |
| Candriam Luxembourg S.C.A. | 3,366 | $498.0K | 0.00% | −973−22.4% | Reduced |
| Susquehanna International Group, LLP | 3,394 | $502.1K | 0.00% | −6,764−66.6% | Reduced |
| Edgestream Partners, L.P. | 3,407 | $504.1K | 0.06% | +3,407 | New |
| Oxford Financial Group Ltd | 3,430 | $507.5K | 0.06% | −212−5.8% | Reduced |
| Pathstone Family Office, LLC | 5,146 | $529.8K | 0.01% | +199+4.0% | Added |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 3,600 | $533.0K | 0.37% | +3,000+500.0% | Added |
| Institutional & Family Asset Management, LLC | 3,650 | $540.0K | 0.09% | 00.0% | Unchanged |
| Verus Capital Partners, LLC | 3,651 | $540.2K | 0.10% | 00.0% | Unchanged |
| ProShare Advisors LLC | 3,710 | $548.9K | 0.00% | +301+8.8% | Added |
| Terry L. Blaker | 3,718 | $550.1K | 0.05% | −2,931−44.1% | Reduced |
| Maryland State Retirement & Pension System | 3,736 | $552.7K | 0.02% | +3,736 | New |
| Man Group plc | 3,795 | $561.5K | 0.00% | +3,795 | New |
| Nordea Investment Management AB | 3,886 | $565.0K | 0.00% | +558+16.8% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 3,900 | $577.0K | 0.02% | +1,450+59.2% | Added |
| Westpac Banking Corp | 3,952 | $584.7K | 0.01% | 00.0% | Unchanged |
| Raymond James Trust N.A. | 3,978 | $589.0K | 0.02% | +370+10.3% | Added |
| Cipher Capital LP | 3,999 | $591.7K | 0.11% | +306+8.3% | Added |
| Crossmark Global Holdings, Inc. | 4,005 | $592.0K | 0.01% | −639−13.8% | Reduced |
| Schonfeld Strategic Advisors LLC | 4,090 | $605.1K | 0.01% | −2,729−40.0% | Reduced |
| MML Investors Services, LLC | 4,110 | $608.0K | 0.00% | −653−13.7% | Reduced |
| Macquarie Group Ltd | 4,126 | $610.4K | 0.00% | −426−9.4% | Reduced |
| Franklin Resources Inc | 4,194 | $620.5K | 0.00% | −1,804−30.1% | Reduced |
| Securian Asset Management, Inc | 4,413 | $652.9K | 0.02% | 00.0% | Unchanged |
| Northwestern Mutual Investment Management Company, LLC | 4,475 | $662.1K | 0.02% | −2,505−35.9% | Reduced |
| Standard Life Aberdeen plc | 4,568 | $675.8K | 0.00% | +235+5.4% | Added |
| Gotham Asset Management, LLC | 4,901 | $725.1K | 0.02% | +586+13.6% | Added |
| American Century Companies Inc | 4,939 | $730.7K | 0.00% | +1,240+33.5% | Added |
| Storebrand Asset Management AS | 5,178 | $766.1K | 0.00% | −1,065−17.1% | Reduced |
| Janus Henderson Group PLC | 5,328 | $788.5K | 0.00% | +5,328 | New |
| Nissay Asset Management Corp | 5,545 | $820.4K | 0.01% | −508−8.4% | Reduced |
| Knowledge Leaders Capital, LLC | 5,727 | $847.3K | 1.12% | +231+4.2% | Added |
| Panagora Asset Management Inc | 5,762 | $852.5K | 0.01% | +3,392+143.1% | Added |
| Van Eck Associates Corp | 5,819 | $861.0K | 0.00% | −196−3.3% | Reduced |
| North Star Asset Management Inc | 5,885 | $870.7K | 0.05% | −2,022−25.6% | Reduced |
| CenterBook Partners LP | 5,926 | $876.8K | 0.14% | −1,117−15.9% | Reduced |
| The PNC Financial Services Group, Inc. | 6,010 | $889.2K | 0.00% | −870−12.6% | Reduced |
| Holocene Advisors, LP | 6,025 | $891.4K | 0.01% | −10,005−62.4% | Reduced |
| Linden Thomas Advisory Services, LLC | 6,043 | $894.1K | 0.25% | +6,043 | New |
| Guggenheim Capital LLC | 6,387 | $945.0K | 0.01% | −2,591−28.9% | Reduced |
| Aviva PLC | 6,545 | $968.3K | 0.00% | −42,038−86.5% | Reduced |