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 2023
Institutional positions in Masimo Corp as of Jun 30, 2023. 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
- 415
- −13 vs. Q1 2023
- Shares held
- 46.0M
- +958.6K (+2.1%) vs. Q1 2023
- Total value
- $7.56B
- −$738.3M (−8.9%) vs. Q1 2023
- New holders
- 45
- 114 more added
- Sold out
- 58
- 171 more reduced
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| United Community Bank | 1,052 | $173.1K | 0.15% | −5−0.5% | Reduced |
| Whittier Trust Co | 1,134 | $186.6K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 1,173 | $193.0K | 0.01% | −1,271−52.0% | Reduced |
| CWM, LLC | 1,285 | $211.0K | 0.00% | −23−1.8% | Reduced |
| Wesleyan Assurance Society | 1,300 | $214.0K | 0.02% | 00.0% | Unchanged |
| Accredited Investors Inc. | 1,324 | $217.9K | 0.02% | +175+15.2% | Added |
| Engineers Gate Manager LP | 1,327 | $218.4K | 0.01% | +1,327 | New |
| Capstone Investment Advisors, LLC | 1,359 | $223.6K | 0.01% | +1,359 | New |
| XTX Topco Ltd | 1,372 | $225.8K | 0.04% | +1,372 | New |
| Quantinno Capital Management LP | 1,382 | $227.0K | 0.01% | −6,581−82.6% | Reduced |
| CIBC Asset Management Inc | 1,383 | $227.6K | 0.00% | 00.0% | Unchanged |
| Tokio Marine Asset Management Co Ltd | 1,395 | $229.5K | 0.01% | +93+7.1% | Added |
| Berkshire Asset Management LLC | 1,450 | $238.6K | 0.01% | 00.0% | Unchanged |
| Boulder Hill Capital Management LP | 1,500 | $246.8K | 0.48% | +1,500 | New |
| Profund Advisors LLC | 1,502 | $247.2K | 0.01% | −186−11.0% | Reduced |
| Jane Street Group, LLC | 1,509 | $248.3K | 0.00% | −9,691−86.5% | Reduced |
| Winton Group Ltd | 1,509 | $248.3K | 0.02% | −1,990−56.9% | Reduced |
| Mackenzie Financial Corp | 1,600 | $257.5K | 0.00% | 00.0% | Unchanged |
| Mission Wealth Management, LP | 1,600 | $263.3K | 0.01% | +1,600 | New |
| Pitcairn Co | 1,603 | $263.8K | 0.02% | −29−1.8% | Reduced |
| M&T Bank Corp | 1,636 | $268.8K | 0.00% | −139−7.8% | Reduced |
| Captrust Financial Advisors | 1,654 | $272.2K | 0.00% | +18+1.1% | Added |
| Barrett & Company, Inc. | 1,700 | $279.7K | 0.16% | 00.0% | Unchanged |
| Toroso Investments, LLC | 1,706 | $281.0K | 0.01% | −8,124−82.6% | Reduced |
| Twin Tree Management, LP | 1,721 | $283.2K | 0.01% | −1,866−52.0% | Reduced |
| Centiva Capital, LP | 1,755 | $288.8K | 0.01% | +127+7.8% | Added |
| Commonwealth Equity Services, LLC | 1,760 | $290.0K | 0.00% | −185−9.5% | Reduced |
| Janney Capital Management LLC | 1,769 | $291.0K | 0.02% | −18−1.0% | Reduced |
| Advisor Partners II, LLC | 1,797 | $295.7K | 0.01% | −48−2.6% | Reduced |
| CWM Advisors, LLC | 1,806 | $297.2K | 0.04% | +79+4.6% | Added |
| Aviva PLC | 1,851 | $304.6K | 0.00% | +3+0.2% | Added |
| Ossiam | 1,851 | $304.6K | 0.01% | +1,067+136.1% | Added |
| Echo Street Capital Management LLC | 1,949 | $320.7K | 0.00% | +1,949 | New |
| Yorktown Management & Research Co Inc | 1,950 | $320.9K | 0.35% | 00.0% | Unchanged |
| Millrace Asset Group, Inc. | 1,986 | $327.0K | 0.34% | −9,327−82.4% | Reduced |
| Fox Run Management, L.L.C. | 2,066 | $340.0K | 0.10% | +2,066 | New |
| Dynamic Technology Lab Private Ltd | 2,065 | $340.0K | 0.04% | +2,065 | New |
| Cambridge Investment Research Advisors, Inc. | 2,080 | $342.0K | 0.00% | −2,107−50.3% | Reduced |
| Two Sigma Securities, LLC | 2,103 | $346.0K | 0.03% | +2,103 | New |
| Cresset Asset Management, LLC | 2,109 | $347.0K | 0.00% | +2,109 | New |
| AE Wealth Management LLC | 2,167 | $356.6K | 0.00% | +338+18.5% | Added |
| Algert Global LLC | 2,168 | $356.7K | 0.02% | +2,168 | New |
| BancorpSouth Bank | 2,172 | $357.4K | 0.03% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 2,179 | $358.6K | 0.01% | +2,179 | New |
| Bank of Nova Scotia | 2,188 | $360.2K | 0.00% | −122−5.3% | Reduced |
| Seaport Global Advisors, LLC | 2,336 | $384.4K | 1.13% | −576−19.8% | Reduced |
| Coldstream Capital Management Inc | 2,347 | $386.2K | 0.01% | −35−1.5% | Reduced |
| Shelton Capital Management | 2,384 | $392.3K | 0.01% | −90−3.6% | Reduced |
| Blair William & Co | 2,419 | $398.0K | 0.00% | −227−8.6% | Reduced |
| Independent Advisor Alliance | 2,457 | $404.3K | 0.02% | +162+7.1% | Added |
| KCM Investment Advisors LLC | 2,515 | $413.8K | 0.02% | −18,000−87.7% | Reduced |
| Buckhead Capital Management LLC | 2,545 | $418.8K | 0.10% | 00.0% | Unchanged |
| Caxton Associates LP | 2,568 | $422.6K | 0.06% | +2,568 | New |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 2,600 | $428.0K | 0.28% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 2,692 | $443.0K | 0.00% | −1,169−30.3% | Reduced |
| Silvercrest Asset Management Group LLC | 2,782 | $457.8K | 0.00% | +810+41.1% | Added |
| Prudential PLC | 2,783 | $457.9K | 0.01% | 00.0% | Unchanged |
| Wexford Capital LP | 2,820 | $464.0K | 0.09% | +2,820 | New |
| ProShare Advisors LLC | 2,837 | $466.8K | 0.00% | −185−6.1% | Reduced |
| Endurant Capital Management LP | 2,850 | $469.0K | 0.60% | +2,850 | New |
| Crossmark Global Holdings, Inc. | 3,891 | $480.0K | 0.01% | −280−6.7% | Reduced |
| Daiwa Securities Group Inc. | 2,923 | $481.0K | 0.00% | 00.0% | Unchanged |
| Sigma Planning Corp | 2,995 | $492.8K | 0.02% | +189+6.7% | Added |
| DAFNA Capital Management LLC | 3,000 | $493.6K | 0.13% | 00.0% | Unchanged |
| Qtron Investments LLC | 3,059 | $503.4K | 0.10% | 00.0% | Unchanged |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 3,101 | $510.3K | 0.01% | −12−0.4% | Reduced |
| M&G Investment Management Ltd | 3,158 | $521.1K | 0.00% | +135+4.5% | Added |
| Franklin Resources Inc | 3,312 | $545.0K | 0.00% | +30+0.9% | Added |
| Teacher Retirement System of Texas | 3,381 | $556.0K | 0.00% | −37,521−91.7% | Reduced |
| PAX Financial Group, LLC | 3,427 | $563.9K | 0.13% | +513+17.6% | Added |
| Oxford Financial Group Ltd | 3,430 | $564.4K | 0.05% | 00.0% | Unchanged |
| Nordea Investment Management AB | 3,397 | $565.6K | 0.00% | −230−6.3% | Reduced |
| Terry L. Blaker | 3,459 | $569.2K | 0.05% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 3,466 | $570.3K | 0.11% | +3,466 | New |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 3,500 | $576.0K | 0.01% | +200+6.1% | Added |
| Red Spruce Capital, LLC | 3,558 | $585.5K | 0.32% | +1,212+51.7% | Added |
| Institutional & Family Asset Management, LLC | 3,650 | $600.6K | 0.10% | 00.0% | Unchanged |
| Verus Capital Partners, LLC | 3,651 | $600.8K | 0.09% | 00.0% | Unchanged |
| MML Investors Services, LLC | 3,682 | $606.0K | 0.00% | +175+5.0% | Added |
| Maryland State Retirement & Pension System | 3,736 | $614.8K | 0.01% | 00.0% | Unchanged |
| FORA Capital, LLC | 3,923 | $645.5K | 0.09% | +3,923 | New |
| Simplex Trading, LLC | 3,965 | $652.0K | 0.03% | +630+18.9% | Added |
| Arkadios Wealth Advisors | 3,984 | $655.6K | 0.08% | +19+0.5% | Added |
| Guggenheim Capital LLC | 3,992 | $656.9K | 0.01% | −779−16.3% | Reduced |
| Allianz Asset Management GmbH | 4,023 | $662.0K | 0.00% | −2,386−37.2% | Reduced |
| Macquarie Group Ltd | 4,126 | $678.9K | 0.00% | 00.0% | Unchanged |
| Securian Asset Management, Inc | 4,313 | $709.7K | 0.02% | −100−2.3% | Reduced |
| Steel Peak Wealth Management LLC | 4,417 | $726.8K | 0.04% | +1,366+44.8% | Added |
| HighTower Advisors, LLC | 4,436 | $727.0K | 0.00% | +2,298+107.5% | Added |
| Pathstone Family Office, LLC | 4,128 | $729.6K | 0.01% | +292+7.6% | Added |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 4,434 | $729.6K | 0.05% | +4,319+3,755.7% | Added |
| Raymond James Trust N.A. | 4,504 | $741.0K | 0.02% | −300−6.2% | Reduced |
| Gulf International Bank (UK) Ltd | 4,562 | $750.0K | 0.02% | −2,012−30.6% | Reduced |
| Graham Capital Management, L.P. | 4,581 | $753.8K | 0.03% | −4,216−47.9% | Reduced |
| Juncture Wealth Strategies, LLC | 4,621 | $760.4K | 0.36% | +4,621 | New |
| Baird Financial Group, Inc. | 4,637 | $763.0K | 0.00% | +1,878+68.1% | Added |
| Stifel Financial Corp | 4,644 | $764.2K | 0.00% | +2,731+142.8% | Added |
| Vontobel Holding Ltd. | 4,705 | $774.2K | 0.01% | −2,083−30.7% | Reduced |
| Janus Henderson Group PLC | 4,705 | $774.3K | 0.00% | −610−11.5% | Reduced |
| Nissay Asset Management Corp | 4,832 | $795.1K | 0.01% | −571−10.6% | Reduced |