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 2021
Institutional positions in Masimo Corp as of Dec 31, 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
- 520
- +53 vs. Q3 2021
- Shares held
- 46.4M
- +141.5K (+0.3%) vs. Q3 2021
- Total value
- $13.6B
- +$1.05B (+8.4%) vs. Q3 2021
- New holders
- 95
- 182 more added
- Sold out
- 42
- 156 more reduced
8 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Azimuth Capital Management LLC | 800 | $234.0K | 0.01% | 00.0% | Unchanged |
| Caxton Associates LP | 800 | $234.0K | 0.03% | +800 | New |
| Terra Nova Asset Management LLC | 782 | $229.0K | 0.17% | 00.0% | Unchanged |
| Veritable, L.P. | 778 | $228.0K | 0.00% | +23+3.0% | Added |
| West Family Investments, Inc. | 767 | $225.0K | 0.06% | 00.0% | Unchanged |
| Tokio Marine Asset Management Co Ltd | 768 | $225.0K | 0.02% | +768 | New |
| Signaturefd, LLC | 753 | $220.0K | 0.01% | +43+6.1% | Added |
| Northwestern Mutual Wealth Management Co | 723 | $212.0K | 0.00% | −109−13.1% | Reduced |
| WMS Partners, LLC | 713 | $209.0K | 0.04% | +713 | New |
| CoreCap Advisors, LLC | 701 | $205.0K | 0.01% | +701 | New |
| Spire Wealth Management | 693 | $203.0K | 0.00% | −305−30.6% | Reduced |
| Greenleaf Trust | 695 | $203.0K | 0.00% | +695 | New |
| Patron Partners Advisors, LLC | 689 | $202.0K | 0.13% | +689 | New |
| Bank Julius Baer & Co. Ltd, Zurich | 559 | $164.0K | 0.00% | −53−8.7% | Reduced |
| HHM Wealth Advisors, LLC | 554 | $162.0K | 0.04% | 00.0% | Unchanged |
| Leonteq Securities AG | 499 | $146.1K | 0.01% | −3−0.6% | Reduced |
| Benjamin F. Edwards & Company, Inc. | 500 | $146.0K | 0.01% | 00.0% | Unchanged |
| Cribstone Capital Management, LLC | 500 | $146.0K | 0.08% | 00.0% | Unchanged |
| Koshinski Asset Management, Inc. | 495 | $144.9K | 0.01% | 00.0% | Unchanged |
| Altshuler Shaham Ltd | 413 | $121.0K | 0.00% | +232+128.2% | Added |
| Lazard Asset Management LLC | 404 | $118.0K | 0.00% | −149−26.9% | Reduced |
| Loomis Sayles & Co L P | 401 | $117.0K | 0.00% | 00.0% | Unchanged |
| Atwood & Palmer Inc | 379 | $111.0K | 0.01% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 363 | $106.0K | 0.01% | +59+19.4% | Added |
| Parallel Advisors, LLC | 363 | $106.0K | 0.00% | +69+23.5% | Added |
| State of Wyoming | 328 | $96.0K | 0.04% | +12+3.8% | Added |
| Group One Trading, L.P. | 300 | $88.0K | 0.00% | −22,057−98.7% | Reduced |
| Ci Investments Inc. | 276 | $81.0K | 0.00% | +52+23.2% | Added |
| Itau Unibanco Holding S.A. | 268 | $80.0K | 0.00% | +268 | New |
| Fortitude Advisory Group L.L.C. | 274 | $80.0K | 0.04% | +274 | New |
| Archer Investment Corp | 241 | $70.6K | 0.02% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 231 | $68.0K | 0.00% | −26−10.1% | Reduced |
| Howe & Rusling Inc | 230 | $67.0K | 0.01% | +230 | New |
| First Horizon Advisors, Inc. | 228 | $66.0K | 0.00% | −8−3.4% | Reduced |
| Fieldpoint Private Securities, LLC | 219 | $64.0K | 0.01% | 00.0% | Unchanged |
| Fifth Third Bancorp | 218 | $64.0K | 0.00% | +82+60.3% | Added |
| Canada Pension Plan Investment Board | 215 | $63.0K | 0.00% | −42,924−99.5% | Reduced |
| AIA Group Ltd | 209 | $61.0K | 0.00% | +209 | New |
| Desjardins Global Asset Management Inc. | 206 | $60.0K | 0.01% | +206 | New |
| NEXT Financial Group, Inc | 195 | $57.0K | 0.00% | −5−2.5% | Reduced |
| Lindbrook Capital, LLC | 191 | $56.0K | 0.01% | 00.0% | Unchanged |
| Tobam | 174 | $51.0K | 0.00% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 170 | $50.0K | 0.00% | 00.0% | Unchanged |
| Monolith Advisors | 161 | $47.0K | 0.04% | +161 | New |
| Signet Financial Management, LLC | 139 | $41.0K | 0.01% | +139 | New |
| Sageworth Trust Co of South Dakota | 132 | $39.0K | 0.06% | +132 | New |
| Gemmer Asset Management LLC | 127 | $37.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 124 | $36.0K | 0.00% | +124 | New |
| Marshall Wace, LLP | 113 | $32.0K | 0.00% | +113 | New |
| Concord Wealth Partners | 106 | $31.0K | 0.01% | +92+657.1% | Added |
| Snowden Capital Advisors LLC | 104 | $30.0K | 0.00% | +104 | New |
| West Oak Capital, LLC | 100 | $29.0K | 0.01% | −225−69.2% | Reduced |
| Smithfield Trust Co | 98 | $28.0K | 0.00% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 93 | $27.0K | 0.01% | +93 | New |
| Lumature Wealth Partners, LLC | 85 | $25.0K | 0.01% | 00.0% | Unchanged |
| Ten Capital Wealth Advisors, LLC | 85 | $25.0K | 0.01% | +85 | New |
| Steward Partners Investment Advisory, LLC | 80 | $23.0K | 0.00% | −7−8.0% | Reduced |
| JJJ Advisors Inc. | 79 | $23.0K | 0.01% | +15+23.4% | Added |
| Lee Financial Co | 78 | $23.0K | 0.00% | +78 | New |
| Cambridge Trust Co | 75 | $22.0K | 0.00% | +75 | New |
| Umb Bank N A | 71 | $21.0K | 0.00% | +71 | New |
| Asset Dedication, LLC | 68 | $20.0K | 0.00% | 00.0% | Unchanged |
| Reilly Financial Advisors, LLC | 61 | $18.0K | 0.00% | 00.0% | Unchanged |
| Benjamin Edwards Inc | 62 | $18.0K | 0.01% | +51+463.6% | Added |
| Cornerstone Advisory, LLC | 60 | $18.0K | 0.00% | +60 | New |
| Quent Capital, LLC | 61 | $18.0K | 0.00% | +61 | New |
| Covestor Ltd | 56 | $17.0K | 0.02% | +56 | New |
| Allworth Financial LP | 50 | $15.0K | 0.00% | −40−44.4% | Reduced |
| Toth Financial Advisory Corp | 50 | $15.0K | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 50 | $15.0K | 0.00% | +50 | New |
| Clean Yield Group | 49 | $14.0K | 0.00% | 00.0% | Unchanged |
| Holloway Wealth Management, LLC | – | $13.0K | 0.00% | – | – |
| Sageworth Trust Co | 41 | $12.0K | 0.00% | −139−77.2% | Reduced |
| TCI Wealth Advisors, Inc. | 37 | $11.0K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 30 | $9.00K | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 31 | $9.00K | 0.00% | +8+34.8% | Added |
| RE Dickinson Investment Advisors, LLC | 32 | $9.00K | 0.01% | +32 | New |
| Earnest Partners LLC | 27 | $8.00K | 0.00% | 00.0% | Unchanged |
| Delos Wealth Advisors, LLC | 26 | $8.00K | 0.01% | 00.0% | Unchanged |
| Motley Fool Asset Management LLC | 26 | $8.00K | 0.00% | +26 | New |
| Harvest Fund Management Co., Ltd | 26 | $7.00K | 0.00% | −76−74.5% | Reduced |
| Bell Investment Advisors, Inc | 23 | $7.00K | 0.00% | −32−58.2% | Reduced |
| Lowe Wealth Advisors, LLC | 25 | $7.00K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 25 | $7.00K | 0.00% | 00.0% | Unchanged |
| HM Payson & Co | 21 | $6.00K | 0.00% | 00.0% | Unchanged |
| RWM Asset Management, LLC | 21 | $6.00K | 0.00% | 00.0% | Unchanged |
| Ranger Investment Management, L.P. | 19 | $6.00K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 20 | $6.00K | 0.00% | +3+17.6% | Added |
| Bedel Financial Consulting, Inc. | 19 | $6.00K | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 20 | $6.00K | 0.00% | +20 | New |
| Rise Advisors, LLC | 20 | $5.86K | 0.01% | +20 | New |
| BDO Wealth Advisors, LLC | 17 | $5.00K | 0.00% | 00.0% | Unchanged |
| Gradient Investments LLC | 16 | $5.00K | 0.00% | +16 | New |
| Dixon Hughes Goodman Wealth Advisors LLC | 16 | $5.00K | 0.00% | +16 | New |
| Clearstead Advisors, LLC | 15 | $4.00K | 0.00% | 00.0% | Unchanged |
| FinTrust Capital Advisors, LLC | 13 | $4.00K | 0.00% | 00.0% | Unchanged |
| Adirondack Trust Co | 12 | $4.00K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 12 | $4.00K | 0.00% | +3+33.3% | Added |
| Glassman Wealth Services | 12 | $4.00K | 0.00% | +4+50.0% | Added |
| McDonald Partners LLC | 11 | $3.22K | 0.00% | +11 | New |