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 2025
Institutional positions in Masimo Corp as of Mar 31, 2025. 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
- 393
- +31 vs. Q4 2024
- Shares held
- 54.2M
- +2.83M (+5.5%) vs. Q4 2024
- Total value
- $9.02B
- +$532.2M (+6.3%) vs. Q4 2024
- New holders
- 77
- 136 more added
- Sold out
- 46
- 118 more reduced
4 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital Advisors, Ltd. LLC | 2 | $0 | 0.00% | 00.0% | Unchanged |
| Avion Wealth | 2 | $0 | 0.00% | +2 | New |
| Bay Harbor Wealth Management, LLC | 1 | $166 | 0.00% | +1 | New |
| Rothschild Investment LLC | 1 | $167 | 0.00% | 00.0% | Unchanged |
| Parkworth Wealth Management, Inc. | 1 | $167 | 0.00% | 00.0% | Unchanged |
| Atlantic Trust, LLC | 1 | $167 | 0.00% | +1 | New |
| American Capital Advisory, LLC | 1 | $167 | 0.00% | +1 | New |
| HFM Investment Advisors, LLC | 1 | $167 | 0.00% | +1 | New |
| Comprehensive Financial Planning, Inc. | 2 | $333 | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 3 | $500 | 0.00% | −920−99.7% | Reduced |
| Greenline Partners, LLC | 3 | $500 | 0.00% | +3 | New |
| Bare Financial Services, Inc | 3 | $500 | 0.00% | +3 | New |
| CoreCap Advisors, LLC | 4 | $666 | 0.00% | −83−95.4% | Reduced |
| Highline Wealth Partners LLC | 4 | $666 | 0.00% | +4 | New |
| Prestige Wealth Management Group LLC | 4 | $667 | 0.00% | 00.0% | Unchanged |
| Hughes Financial Services, LLC | 4 | $670 | 0.00% | +4 | New |
| SJS Investment Consulting Inc. | 5 | $833 | 0.00% | −8−61.5% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 5 | $833 | 0.00% | 00.0% | Unchanged |
| Global Financial Private Client, LLC | 5 | $833 | 0.00% | +3+150.0% | Added |
| Creative Financial Designs Inc | 5 | $833 | 0.00% | +5 | New |
| Leonteq Securities AG | 6 | $999 | 0.00% | −17−73.9% | Reduced |
| Quent Capital, LLC | 6 | $1.00K | 0.00% | −5−45.5% | Reduced |
| Mather Group, LLC. | 6 | $1.00K | 0.00% | 00.0% | Unchanged |
| DiNuzzo Private Wealth, Inc. | 6 | $1.00K | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 6 | $1.00K | 0.00% | +6 | New |
| Private Wealth Asset Management, LLC | 6 | $1.00K | 0.00% | +6 | New |
| Kestra Investment Management, LLC | 7 | $1.17K | 0.00% | +7 | New |
| WFA Asset Management Corp | 12 | $1.76K | 0.00% | +12 | New |
| Adirondack Trust Co | 12 | $2.00K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 14 | $2.33K | 0.00% | +14 | New |
| WPG Advisers, LLC | 15 | $2.50K | 0.00% | −6−28.6% | Reduced |
| J.Safra Asset Management Corp | 15 | $2.50K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 17 | $2.83K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 19 | $3.17K | 0.00% | −183−90.6% | Reduced |
| WealthCollab, LLC | 20 | $3.33K | 0.00% | 00.0% | Unchanged |
| Ameriflex Group, Inc. | 20 | $3.33K | 0.00% | +20 | New |
| Larson Financial Group LLC | 22 | $3.67K | 0.00% | +9+69.2% | Added |
| Sachetta, LLC | 23 | $3.83K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 23 | $3.83K | 0.00% | +4+21.1% | Added |
| Private Wealth Management Group, LLC | 24 | $4.00K | 0.00% | 00.0% | Unchanged |
| Hallmark Capital Management Inc | 26 | $4.33K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 30 | $5.00K | 0.00% | −5,022−99.4% | Reduced |
| Inlight Wealth Management, LLC | 30 | $5.00K | 0.00% | +30 | New |
| Farmers & Merchants Investments Inc | 33 | $5.50K | 0.00% | +15+83.3% | Added |
| GPS Wealth Strategies Group, LLC | 37 | $6.16K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 37 | $6.16K | 0.00% | +11+42.3% | Added |
| First Horizon Advisors, Inc. | 39 | $6.50K | 0.00% | 00.0% | Unchanged |
| Hemington Wealth Management | 44 | $7.00K | 0.00% | +19+76.0% | Added |
| Spire Wealth Management | 44 | $7.33K | 0.00% | 00.0% | Unchanged |
| Clean Yield Group | 49 | $8.16K | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 50 | $8.33K | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 50 | $8.34K | 0.00% | +50 | New |
| Steward Partners Investment Advisory, LLC | 54 | $9.00K | 0.00% | +35+184.2% | Added |
| Principal Securities, Inc. | 58 | $9.59K | 0.00% | 00.0% | Unchanged |
| Smithfield Trust Co | 65 | $11.0K | 0.00% | 00.0% | Unchanged |
| Holos Integrated Wealth LLC | 68 | $11.3K | 0.01% | 00.0% | Unchanged |
| MAI Capital Management | 73 | $12.2K | 0.00% | 00.0% | Unchanged |
| Central Trust Co | 79 | $13.2K | 0.00% | 00.0% | Unchanged |
| South State Corp. | 80 | $13.3K | 0.00% | +10+14.3% | Added |
| Covestor Ltd | 82 | $14.0K | 0.01% | +1+1.2% | Added |
| Sound Income Strategies, LLC | 85 | $14.2K | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 89 | $14.8K | 0.01% | +19+27.1% | Added |
| Rise Advisors, LLC | 93 | $15.5K | 0.01% | −41−30.6% | Reduced |
| Parkside Financial Bank & Trust | 93 | $15.5K | 0.00% | +75+416.7% | Added |
| Fourth Dimension Wealth, LLC | 100 | $16.7K | 0.01% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 110 | $18.3K | 0.00% | +94+587.5% | Added |
| GWM Advisors LLC | 112 | $18.6K | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 112 | $18.7K | 0.00% | +16+16.7% | Added |
| Optiver Holding B.V. | 118 | $19.7K | 0.00% | +74+168.2% | Added |
| Nomura Asset Management Co Ltd | 120 | $20.0K | 0.00% | +120 | New |
| Bessemer Group Inc | 121 | $20.0K | 0.00% | −25−17.1% | Reduced |
| GW&K Investment Management, LLC | 135 | $22.0K | 0.00% | +135 | New |
| Acadian Asset Management LLC | 143 | $23.0K | 0.00% | +143 | New |
| Northwestern Mutual Wealth Management Co | 152 | $25.3K | 0.00% | 00.0% | Unchanged |
| Riverview Trust Co | 169 | $28.2K | 0.03% | 00.0% | Unchanged |
| Twin Tree Management, LP | 175 | $29.2K | 0.00% | +175 | New |
| Washington Trust Co | 184 | $30.7K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 237 | $34.4K | 0.00% | +197+492.5% | Added |
| Farther Finance Advisors, LLC | 206 | $34.5K | 0.00% | +116+128.9% | Added |
| Allworth Financial LP | 224 | $36.4K | 0.00% | +12+5.7% | Added |
| EverSource Wealth Advisors, LLC | 221 | $36.8K | 0.00% | −3−1.3% | Reduced |
| Massmutual Trust Co FSB | 241 | $40.2K | 0.00% | +1+0.4% | Added |
| Smartleaf Asset Management LLC | 258 | $42.2K | 0.00% | +8+3.2% | Added |
| SBI Securities Co., Ltd. | 279 | $46.5K | 0.00% | +1+0.4% | Added |
| Anderson Financial Strategies, LLC | 295 | $49.1K | 0.03% | +295 | New |
| Huntington National Bank | 306 | $51.0K | 0.00% | −17−5.3% | Reduced |
| Ronald Blue Trust, Inc. | 306 | $51.0K | 0.00% | +20+7.0% | Added |
| Jones Financial Companies LLLP | 335 | $54.8K | 0.00% | +174+108.1% | Added |
| Lindbrook Capital, LLC | 346 | $57.6K | 0.01% | +49+16.5% | Added |
| DHJJ Financial Advisors, Ltd. | 360 | $60.0K | 0.02% | 00.0% | Unchanged |
| NBC Securities, Inc. | 368 | $61.0K | 0.01% | +368 | New |
| Parallel Advisors, LLC | 397 | $66.1K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 418 | $69.6K | 0.00% | −5−1.2% | Reduced |
| Umb Bank N A | 447 | $74.5K | 0.00% | +256+134.0% | Added |
| Quarry LP | 449 | $74.8K | 0.02% | +322+253.5% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 469 | $78.1K | 0.02% | +469 | New |
| Barrett & Company, Inc. | 567 | $94.4K | 0.04% | 00.0% | Unchanged |
| C M Bidwell & Associates Ltd | 597 | $99.5K | 0.06% | −17−2.8% | Reduced |
| Fifth Third Bancorp | 648 | $108.0K | 0.00% | +38+6.2% | Added |
| Ci Investments Inc. | 731 | $122.0K | 0.00% | +649+791.5% | Added |