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 2024
Institutional positions in Masimo Corp as of Dec 31, 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
- 366
- +12 vs. Q3 2024
- Shares held
- 51.4M
- +1.55M (+3.1%) vs. Q3 2024
- Total value
- $8.50B
- +$1.86B (+28.0%) vs. Q3 2024
- New holders
- 62
- 117 more added
- Sold out
- 50
- 119 more reduced
8 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bessemer Group Inc | 146 | $24.0K | 0.00% | +50+52.1% | Added |
| Rise Advisors, LLC | 134 | $22.1K | 0.01% | −20−13.0% | Reduced |
| Quarry LP | 127 | $21.0K | 0.00% | −125−49.6% | Reduced |
| Y.D. More Investments Ltd | 120 | $19.8K | 0.00% | +120 | New |
| LGT Financial Advisors LLC | 114 | $18.8K | 0.04% | 00.0% | Unchanged |
| Bayforest Capital Ltd | 113 | $18.7K | 0.02% | +113 | New |
| GWM Advisors LLC | 112 | $18.5K | 0.00% | 00.0% | Unchanged |
| Center for Financial Planning, Inc. | 100 | $16.5K | 0.00% | 00.0% | Unchanged |
| Fourth Dimension Wealth, LLC | 100 | $16.5K | 0.01% | +100 | New |
| Skopos Labs, Inc. | 96 | $15.9K | 0.00% | +57+146.2% | Added |
| Farther Finance Advisors, LLC | 90 | $14.9K | 0.00% | −1−1.1% | Reduced |
| CoreCap Advisors, LLC | 87 | $14.4K | 0.00% | +84+2,800.0% | Added |
| Sound Income Strategies, LLC | 85 | $14.1K | 0.00% | 00.0% | Unchanged |
| Ci Investments Inc. | 82 | $14.0K | 0.00% | −1−1.2% | Reduced |
| Covestor Ltd | 81 | $14.0K | 0.01% | 00.0% | Unchanged |
| Central Trust Co | 79 | $13.1K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 75 | $12.4K | 0.00% | +75 | New |
| MAI Capital Management | 73 | $12.1K | 0.00% | +73 | New |
| True Wealth Design, LLC | 70 | $11.6K | 0.00% | 00.0% | Unchanged |
| South State Corp. | 70 | $11.6K | 0.00% | 00.0% | Unchanged |
| Holos Integrated Wealth LLC | 68 | $11.2K | 0.01% | +68 | New |
| Smithfield Trust Co | 65 | $11.0K | 0.00% | 00.0% | Unchanged |
| Principal Securities, Inc. | 58 | $9.59K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 56 | $9.26K | 0.00% | +35+166.7% | Added |
| Investors Research Corp | 50 | $8.27K | 0.00% | 00.0% | Unchanged |
| Clean Yield Group | 49 | $8.10K | 0.00% | 00.0% | Unchanged |
| Spire Wealth Management | 44 | $7.27K | 0.00% | −100−69.4% | Reduced |
| Optiver Holding B.V. | 44 | $7.27K | 0.00% | −50−53.2% | Reduced |
| CIBC Private Wealth Group, LLC | 40 | $6.75K | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 39 | $6.45K | 0.00% | −2−4.9% | Reduced |
| GPS Wealth Strategies Group, LLC | 37 | $6.12K | 0.00% | 00.0% | Unchanged |
| Hallmark Capital Management Inc | 26 | $4.30K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 26 | $4.30K | 0.00% | +14+116.7% | Added |
| Hemington Wealth Management | 25 | $4.00K | 0.00% | +13+108.3% | Added |
| Private Wealth Management Group, LLC | 24 | $3.97K | 0.00% | +9+60.0% | Added |
| IFP Advisors, Inc | 0 | $3.97K | 0.00% | −7−100.0% | Reduced |
| Leonteq Securities AG | 23 | $3.80K | 0.00% | −206−90.0% | Reduced |
| Sachetta, LLC | 23 | $3.80K | 0.00% | 00.0% | Unchanged |
| WPG Advisers, LLC | 21 | $3.47K | 0.00% | +21 | New |
| WealthCollab, LLC | 20 | $3.31K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 19 | $3.14K | 0.00% | +1+5.6% | Added |
| Steward Partners Investment Advisory, LLC | 19 | $3.14K | 0.00% | +19 | New |
| Parkside Financial Bank & Trust | 18 | $2.98K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 18 | $2.98K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 17 | $2.81K | 0.00% | 00.0% | Unchanged |
| Kiely Wealth Advisory Group, Inc. | 15 | $2.68K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 16 | $2.65K | 0.00% | 00.0% | Unchanged |
| J.Safra Asset Management Corp | 15 | $2.53K | 0.00% | +6+66.7% | Added |
| Coppell Advisory Solutions LLC | 13 | $2.19K | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 13 | $2.15K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 13 | $2.15K | 0.00% | +4+44.4% | Added |
| Clearstead Advisors, LLC | 12 | $1.98K | 0.00% | −673−98.2% | Reduced |
| Adirondack Trust Co | 12 | $1.98K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 11 | $1.82K | 0.00% | 00.0% | Unchanged |
| Continuum Advisory, LLC | 9 | $1.49K | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 10 | $1.00K | 0.00% | −583−98.3% | Reduced |
| Mather Group, LLC. | 6 | $992 | 0.00% | 00.0% | Unchanged |
| DiNuzzo Private Wealth, Inc. | 6 | $992 | 0.00% | 00.0% | Unchanged |
| Kayne Anderson Rudnick Investment Management LLC | 5 | $827 | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 4 | $662 | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 2 | $331 | 0.00% | −2−50.0% | Reduced |
| Global Financial Private Client, LLC | 2 | $331 | 0.00% | +2 | New |
| Comprehensive Financial Planning, Inc. | 2 | $331 | 0.00% | +2 | New |
| Rothschild Investment LLC | 1 | $165 | 0.00% | 00.0% | Unchanged |
| Parkworth Wealth Management, Inc. | 1 | $165 | 0.00% | +1 | New |
| Capital Advisors, Ltd. LLC | 2 | $0 | 0.00% | 00.0% | Unchanged |
| ING Groep NV | 0 | $0 | 0.00% | −240,900−100.0% | Sold out |
| Clearline Capital LP | 0 | $0 | 0.00% | −160,029−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −132,500−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −94,416−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −53,726−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −53,226−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −35,438−100.0% | Sold out |
| Roubaix Capital, LLC | 0 | $0 | 0.00% | −34,041−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −33,995−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −28,967−100.0% | Sold out |
| Troluce Capital Advisors LLC | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −24,358−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −19,139−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −17,157−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −15,456−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −11,133−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −10,919−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −10,449−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −10,150−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −9,980−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −9,591−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −8,230−100.0% | Sold out |
| Lombard Odier Asset Management (USA) Corp | 0 | $0 | 0.00% | −7,171−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −7,169−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −5,668−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −5,087−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −4,483−100.0% | Sold out |
| ADAR1 Capital Management, LLC | 0 | $0 | 0.00% | −3,894−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −3,893−100.0% | Sold out |
| CWM Advisors, LLC | 0 | $0 | 0.00% | −2,964−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −2,115−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −1,965−100.0% | Sold out |
| Kapitalo Investimentos Ltda | 0 | $0 | 0.00% | −1,815−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −1,716−100.0% | Sold out |