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, Q3 2025
Institutional positions in Masimo Corp as of Sep 30, 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
- 358
- −17 vs. Q2 2025
- Shares held
- 56.2M
- −1.27M (−2.2%) vs. Q2 2025
- Total value
- $8.29B
- −$1.38B (−14.3%) vs. Q2 2025
- New holders
- 46
- 120 more added
- Sold out
- 63
- 121 more reduced
4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital Advisors, Ltd. LLC | 2 | $0 | 0.00% | 00.0% | Unchanged |
| DecisionPoint Financial, LLC | 1 | $143 | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 1 | $148 | 0.00% | +1 | New |
| Comprehensive Financial Planning, Inc. | 2 | $295 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 2 | $295 | 0.00% | +1+100.0% | Added |
| Tortoise Investment Management, LLC | 2 | $295 | 0.00% | +1+100.0% | Added |
| Bare Financial Services, Inc | 3 | $443 | 0.00% | 00.0% | Unchanged |
| Hughes Financial Services, LLC | 4 | $578 | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 4 | $591 | 0.00% | 00.0% | Unchanged |
| Cromwell Holdings LLC | 4 | $591 | 0.00% | 00.0% | Unchanged |
| Creative Financial Designs Inc | 5 | $738 | 0.00% | 00.0% | Unchanged |
| DiNuzzo Private Wealth, Inc. | 6 | $839 | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 6 | $885 | 0.00% | 00.0% | Unchanged |
| Mather Group, LLC. | 6 | $885 | 0.00% | +6 | New |
| Heartwood Wealth Advisors LLC | 6 | $885 | 0.00% | +6 | New |
| Quent Capital, LLC | 6 | $885 | 0.00% | +6 | New |
| Root Financial Partners, LLC | 6 | $885 | 0.00% | +6 | New |
| Hemington Wealth Management | 9 | $1.00K | 0.00% | −29−76.3% | Reduced |
| Principal Securities, Inc. | 7 | $1.03K | 0.00% | +3+75.0% | Added |
| Harbour Investments, Inc. | 9 | $1.33K | 0.00% | 00.0% | Unchanged |
| Adirondack Trust Co | 12 | $1.77K | 0.00% | 00.0% | Unchanged |
| ZRC Wealth Management, LLC | 12 | $1.77K | 0.00% | +12 | New |
| CIBC Private Wealth Group, LLC | 15 | $2.21K | 0.00% | −40−72.7% | Reduced |
| Private Wealth Management Group, LLC | 15 | $2.21K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 16 | $2.36K | 0.00% | +16 | Added |
| J.Safra Asset Management Corp | 16 | $2.36K | 0.00% | +1+6.7% | Added |
| Brown Brothers Harriman & Co | 17 | $2.51K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 18 | $2.66K | 0.00% | −2−10.0% | Reduced |
| First Horizon Corp | 19 | $2.80K | 0.00% | +19 | New |
| WealthCollab, LLC | 20 | $2.95K | 0.00% | 00.0% | Unchanged |
| Sachetta, LLC | 23 | $3.39K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 25 | $3.69K | 0.00% | −8−24.2% | Reduced |
| Bell Investment Advisors, Inc | 29 | $4.28K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 30 | $4.43K | 0.00% | −4−11.8% | Reduced |
| Inlight Wealth Management, LLC | 30 | $4.43K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 30 | $4.43K | 0.00% | +1+3.4% | Added |
| Steward Partners Investment Advisory, LLC | 35 | $5.16K | 0.00% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 37 | $5.46K | 0.00% | 00.0% | Unchanged |
| Spire Wealth Management | 39 | $5.75K | 0.00% | −5−11.4% | Reduced |
| Farmers & Merchants Investments Inc | 40 | $5.90K | 0.00% | +4+11.1% | Added |
| Ameriflex Group, Inc. | 40 | $5.90K | 0.00% | +20+100.0% | Added |
| Clean Yield Group | 49 | $7.23K | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 50 | $7.38K | 0.00% | 00.0% | Unchanged |
| Holos Integrated Wealth LLC | 68 | $9.84K | 0.01% | 00.0% | Unchanged |
| Smithfield Trust Co | 65 | $10.0K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 71 | $10.5K | 0.00% | −1,576−95.7% | Reduced |
| Boreal Capital Management LLC | 75 | $11.1K | 0.01% | 00.0% | Unchanged |
| MAI Capital Management | 77 | $11.4K | 0.00% | −125−61.9% | Reduced |
| Central Trust Co | 79 | $11.7K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 81 | $12.0K | 0.01% | 00.0% | Unchanged |
| Huntington National Bank | 83 | $12.2K | 0.00% | −4−4.6% | Reduced |
| True Wealth Design, LLC | 89 | $13.1K | 0.00% | −27−23.3% | Reduced |
| Rise Advisors, LLC | 93 | $13.7K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 93 | $13.7K | 0.00% | 00.0% | Unchanged |
| Fourth Dimension Wealth, LLC | 100 | $14.8K | 0.01% | 00.0% | Unchanged |
| Optiver Holding B.V. | 110 | $16.2K | 0.00% | −14−11.3% | Reduced |
| GWM Advisors LLC | 112 | $16.5K | 0.00% | 00.0% | Unchanged |
| Wealthspire Advisors, LLC | 112 | $16.5K | 0.00% | +112 | New |
| Nomura Asset Management Co Ltd | 120 | $17.7K | 0.00% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 126 | $18.6K | 0.00% | +126 | New |
| SJS Investment Consulting Inc. | 135 | $19.9K | 0.00% | +132+4,400.0% | Added |
| Bessemer Group Inc | 141 | $21.0K | 0.00% | +14+11.0% | Added |
| Northwestern Mutual Wealth Management Co | 153 | $22.6K | 0.00% | +1+0.7% | Added |
| Hilltop National Bank | 218 | $32.2K | 0.01% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 223 | $32.9K | 0.00% | −40−15.2% | Reduced |
| NBC Securities, Inc. | 226 | $33.3K | 0.00% | −142−38.6% | Reduced |
| EverSource Wealth Advisors, LLC | 227 | $33.5K | 0.00% | +39+20.7% | Added |
| Umb Bank N A | 239 | $35.3K | 0.00% | −174−42.1% | Reduced |
| SBI Securities Co., Ltd. | 270 | $39.8K | 0.00% | −4−1.5% | Reduced |
| Parallel Advisors, LLC | 284 | $41.9K | 0.00% | −13−4.4% | Reduced |
| Smartleaf Asset Management LLC | 306 | $43.7K | 0.00% | +136+80.0% | Added |
| Advisory Services Network, LLC | 315 | $46.5K | 0.00% | +315 | New |
| Ronald Blue Trust, Inc. | 340 | $50.2K | 0.00% | 00.0% | Unchanged |
| DHJJ Financial Advisors, Ltd. | 360 | $53.1K | 0.02% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 385 | $54.4K | 0.00% | +31+8.8% | Added |
| Signaturefd, LLC | 382 | $56.4K | 0.00% | −2−0.5% | Reduced |
| Danske Bank A/S | 400 | $59.0K | 0.00% | 00.0% | Unchanged |
| Ci Investments Inc. | 419 | $62.0K | 0.00% | −282−40.2% | Reduced |
| Clearstead Advisors, LLC | 470 | $69.3K | 0.00% | +73+18.4% | Added |
| GAMMA Investing LLC | 504 | $74.4K | 0.00% | −204−28.8% | Reduced |
| Fifth Third Bancorp | 576 | $85.0K | 0.00% | −8−1.4% | Reduced |
| Hantz Financial Services, Inc. | 580 | $86.0K | 0.00% | +515+792.3% | Added |
| C M Bidwell & Associates Ltd | 595 | $87.8K | 0.04% | −2−0.3% | Reduced |
| Quarry LP | 649 | $95.8K | 0.02% | +649 | New |
| Advisor Group Holdings, Inc. | 681 | $97.4K | 0.00% | −132−16.2% | Reduced |
| ISAM Funds (UK) Ltd | 699 | $103.1K | 0.02% | +699 | New |
| CWM, LLC | 864 | $127.0K | 0.00% | −67−7.2% | Reduced |
| Allworth Financial LP | 905 | $133.5K | 0.00% | +518+133.9% | Added |
| Harbor Investment Advisory, LLC | 999 | $147.4K | 0.01% | +399+66.5% | Added |
| Farther Finance Advisors, LLC | 1,074 | $158.5K | 0.00% | +869+423.9% | Added |
| Whittier Trust Co | 1,134 | $167.0K | 0.00% | 00.0% | Unchanged |
| KBC Group NV | 1,258 | $186.0K | 0.00% | 00.0% | Unchanged |
| Great Lakes Advisors, LLC | 1,377 | $203.2K | 0.00% | −80,971−98.3% | Reduced |
| Andina Capital Management, LLC | 1,420 | $209.5K | 0.12% | 00.0% | Unchanged |
| apricus wealth, LLC | 1,462 | $215.7K | 0.12% | 00.0% | Unchanged |
| Fifth Third Wealth Advisors LLC | 1,468 | $216.6K | 0.01% | +3+0.2% | Added |
| MML Investors Services, LLC | 1,479 | $218.2K | 0.00% | −90−5.7% | Reduced |
| Marex Group plc | 1,486 | $219.3K | 0.00% | +1,486 | New |
| O'Shaughnessy Asset Management, LLC | 1,492 | $220.1K | 0.00% | −257−14.7% | Reduced |
| Corient IA LLC | 1,500 | $221.3K | 0.17% | 00.0% | Unchanged |