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, Q1 2022
Institutional positions in Masimo Corp as of Mar 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
- 457
- −57 vs. Q4 2021
- Shares held
- 45.4M
- −981.6K (−2.1%) vs. Q4 2021
- Total value
- $6.61B
- −$6.96B (−51.3%) vs. Q4 2021
- New holders
- 73
- 180 more added
- Sold out
- 130
- 136 more reduced
6 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| DuPont Capital Management Corp | 976 | $142.0K | 0.01% | +976 | New |
| Harbor Investment Advisory, LLC | 995 | $145.0K | 0.02% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 1,000 | $146.0K | 0.01% | −2,236−69.1% | Reduced |
| Atticus Wealth Management, LLC | 1,000 | $146.0K | 0.05% | +1,000 | New |
| CWM, LLC | 1,082 | $157.0K | 0.00% | +211+24.2% | Added |
| Whittier Trust Co | 1,134 | $165.0K | 0.00% | 00.0% | Unchanged |
| Forsta Ap-Fonden | 1,200 | $175.0K | 0.00% | +1,200 | New |
| Synergy Financial Group, LTD | 1,396 | $203.0K | 0.21% | 00.0% | Unchanged |
| Captrust Financial Advisors | 1,392 | $203.0K | 0.00% | +440+46.2% | Added |
| Arkadios Wealth Advisors | 1,463 | $213.0K | 0.03% | +1,463 | New |
| M&G Investment Management Ltd | 1,468 | $214.0K | 0.00% | +97+7.1% | Added |
| Keybank National Association | 1,487 | $216.0K | 0.00% | −208−12.3% | Reduced |
| Gsa Capital Partners LLP | 1,486 | $216.0K | 0.03% | +529+55.3% | Added |
| Bluestein R H & Co | 1,500 | $218.0K | 0.01% | 00.0% | Unchanged |
| Sonen Capital LLC | 1,518 | $221.0K | 0.27% | −384−20.2% | Reduced |
| J2 Capital Management Inc | 1,518 | $221.0K | 0.24% | +307+25.4% | Added |
| Bank of Nova Scotia | 1,566 | $228.0K | 0.00% | +409+35.4% | Added |
| Cerity Partners LLC | 1,619 | $236.0K | 0.00% | +1,619 | New |
| TD Waterhouse Canada Inc. | 1,551 | $238.6K | 0.00% | +1,551 | New |
| AE Wealth Management LLC | 1,641 | $239.0K | 0.00% | +11+0.7% | Added |
| Signaturefd, LLC | 1,671 | $243.0K | 0.01% | +918+121.9% | Added |
| Advisor Partners LLC | 1,691 | $246.0K | 0.02% | +453+36.6% | Added |
| HighTower Advisors, LLC | 1,712 | $248.0K | 0.00% | −2,283−57.1% | Reduced |
| Prelude Capital Management, LLC | 1,701 | $248.0K | 0.01% | +845+98.7% | Added |
| Swiss Life Asset Management Ltd | 1,706 | $248.3K | 0.00% | 00.0% | Unchanged |
| Coldstream Capital Management Inc | 1,771 | $258.0K | 0.01% | −453−20.4% | Reduced |
| Red Spruce Capital, LLC | 1,815 | $264.0K | 0.15% | +198+12.2% | Added |
| Fox Run Management, L.L.C. | 1,811 | $264.0K | 0.15% | +1,811 | New |
| Veriti Management LLC | 1,820 | $265.0K | 0.03% | +1,820 | New |
| Janney Capital Management LLC | 1,915 | $279.0K | 0.02% | +14+0.7% | Added |
| Capital Impact Advisors, LLC | 1,925 | $280.0K | 0.20% | −6,889−78.2% | Reduced |
| Yorktown Management & Research Co Inc | 1,950 | $284.0K | 0.24% | 00.0% | Unchanged |
| M&T Bank Corp | 1,966 | $286.0K | 0.00% | −161−7.6% | Reduced |
| Pitcairn Co | 1,986 | $289.0K | 0.03% | −3,492−63.7% | Reduced |
| Astrantus Ltd | 2,000 | $291.0K | 0.49% | +843+72.9% | Added |
| Intrust Bank NA | 2,011 | $293.0K | 0.04% | −296−12.8% | Reduced |
| Independent Advisor Alliance | 2,024 | $295.0K | 0.01% | −30−1.5% | Reduced |
| Keebeck Alpha, LP | 2,035 | $296.0K | 0.09% | +1,036+103.7% | Added |
| KBC Group NV | 2,060 | $300.0K | 0.00% | 00.0% | Unchanged |
| Vident Investment Advisory, LLC | 2,148 | $312.0K | 0.01% | +328+18.0% | Added |
| Commonwealth Equity Services, LLC | 2,151 | $313.0K | 0.00% | −1,632−43.1% | Reduced |
| BancorpSouth Bank | 2,172 | $316.0K | 0.04% | 00.0% | Unchanged |
| Symmetry Partners, LLC | 2,178 | $317.0K | 0.02% | 00.0% | Unchanged |
| Pathstone Family Office, LLC | 1,221 | $327.0K | 0.01% | +1,221 | New |
| CIBC Asset Management Inc | 2,280 | $332.0K | 0.00% | 00.0% | Unchanged |
| Raymond James Trust N.A. | 2,344 | $341.0K | 0.01% | +34+1.5% | Added |
| Canada Pension Plan Investment Board | 2,390 | $348.0K | 0.00% | +2,175+1,011.6% | Added |
| KCM Investment Advisors LLC | 2,415 | $351.0K | 0.01% | 00.0% | Unchanged |
| Achmea Investment Management B.V. | 2,442 | $355.0K | 0.01% | +2,442 | New |
| B. Metzler seel. Sohn & Co. AG | 2,482 | $361.0K | 0.00% | +1,211+95.3% | Added |
| Willner & Heller, LLC | 1,255 | $367.0K | 0.45% | 00.0% | Unchanged |
| Fosun International Ltd | 2,400 | $373.0K | 0.03% | 00.0% | Unchanged |
| Profund Advisors LLC | 2,579 | $375.0K | 0.02% | −368−12.5% | Reduced |
| American Portfolios Advisors | 2,605 | $379.1K | 0.01% | −3,498−57.3% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 2,631 | $383.0K | 0.00% | −1,343−33.8% | Reduced |
| Shelton Capital Management | 2,684 | $391.0K | 0.01% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 2,693 | $392.0K | 0.00% | −465−14.7% | Reduced |
| Guardian Capital LP | 2,708 | $394.0K | 0.01% | 00.0% | Unchanged |
| Bessemer Group Inc | 2,719 | $396.0K | 0.00% | +729+36.6% | Added |
| Silvercrest Asset Management Group LLC | 2,799 | $407.0K | 0.00% | +966+52.7% | Added |
| Pendal Group Limited | 2,817 | $411.0K | 0.00% | +2,817 | New |
| Eqis Capital Management, Inc. | 2,889 | $420.0K | 0.04% | +748+34.9% | Added |
| Parametrica Management Ltd | 2,884 | $420.0K | 0.31% | +2,884 | New |
| Sigma Planning Corp | 2,900 | $422.0K | 0.01% | −5−0.2% | Reduced |
| Campbell & CO Investment Adviser LLC | 2,917 | $425.0K | 0.11% | +2,917 | New |
| Quantinno Capital Management LP | 2,968 | $432.0K | 0.07% | +1,674+129.4% | Added |
| DAFNA Capital Management LLC | 3,000 | $437.0K | 0.11% | 00.0% | Unchanged |
| Pinebridge Investments, L.P. | 3,061 | $445.0K | 0.00% | +3,061 | New |
| Cambridge Investment Research Advisors, Inc. | 3,177 | $462.0K | 0.00% | −365−10.3% | Reduced |
| Harbor Capital Advisors, Inc. | 3,186 | $464.0K | 0.22% | −466−12.8% | Reduced |
| Verus Capital Partners, LLC | 3,676 | $475.0K | 0.07% | +3,676 | New |
| Brown Advisory Securities, LLC | 3,325 | $484.0K | 0.28% | −3,500−51.3% | Reduced |
| Stifel Financial Corp | 3,333 | $485.0K | 0.00% | −4,378−56.8% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 3,565 | $519.0K | 0.03% | −60−1.7% | Reduced |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 3,600 | $523.9K | 0.24% | +1,800+100.0% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 3,642 | $530.0K | 0.01% | −12−0.3% | Reduced |
| Oxford Financial Group Ltd | 3,642 | $530.0K | 0.07% | 00.0% | Unchanged |
| Institutional & Family Asset Management, LLC | 3,650 | $531.0K | 0.08% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 3,736 | $544.0K | 0.01% | 00.0% | Unchanged |
| US Bancorp | 3,776 | $549.0K | 0.00% | −487−11.4% | Reduced |
| Nordea Investment Management AB | 3,782 | $567.0K | 0.00% | 00.0% | Unchanged |
| Fayez Sarofim & Co | 3,933 | $572.0K | 0.00% | −350,555−98.9% | Reduced |
| Baird Financial Group, Inc. | 4,152 | $604.0K | 0.00% | −11,893−74.1% | Reduced |
| Knowledge Leaders Capital, LLC | 4,185 | $609.0K | 0.44% | 00.0% | Unchanged |
| Echo Street Capital Management LLC | 4,199 | $611.0K | 0.00% | +2,985+245.9% | Added |
| Commerce Bank | 4,219 | $614.0K | 0.00% | +1,330+46.0% | Added |
| Standard Life Aberdeen plc | 4,174 | $622.0K | 0.00% | −106−2.5% | Reduced |
| Westpac Banking Corp | 4,525 | $658.6K | 0.01% | +573+14.5% | Added |
| Securian Asset Management, Inc | 4,543 | $661.0K | 0.01% | 00.0% | Unchanged |
| Versor Investments LP | 4,623 | $673.0K | 0.03% | +4,623 | New |
| USS Investment Management Ltd | 4,686 | $682.0K | 0.01% | −6,909−59.6% | Reduced |
| Aigen Investment Management, LP | 4,778 | $695.0K | 0.12% | +4,778 | New |
| MML Investors Services, LLC | 4,816 | $701.0K | 0.00% | −806−14.3% | Reduced |
| Fiera Capital Corp | 4,854 | $706.0K | 0.00% | −965−16.6% | Reduced |
| Paloma Partners Management Co | 4,887 | $711.0K | 0.05% | +2,557+109.7% | Added |
| Boulder Hill Capital Management LP | 4,900 | $713.0K | 0.38% | +4,900 | New |
| Crossmark Global Holdings, Inc. | 5,026 | $732.0K | 0.02% | +240+5.0% | Added |
| ProShare Advisors LLC | 5,056 | $735.0K | 0.00% | −807−13.8% | Reduced |
| Macquarie Group Ltd | 5,142 | $749.0K | 0.00% | −477,860−98.9% | Reduced |
| OPSEU Pension Plan Trust Fund | 5,220 | $775.0K | 0.18% | +199+4.0% | Added |