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, Q2 2026
Institutional positions in Masimo Corp as of Jun 30, 2026. 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
MASI is no longer listed, and 13F filings after Q1 2026 list far fewer holders. See Q1 2026
- Institutional holders
- 2
- −445 vs. Q1 2026
- Shares held
- 90
- −54.5M (−100.0%) vs. Q1 2026
- Total value
- $16.2K
- −$9.66B (−100.0%) vs. Q1 2026
- New holders
- 0
- 0 more added
- Sold out
- 445
- 2 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Everence Capital Management Inc | 0 | $0 | 0.00% | −1,773−100.0% | Sold out |
| CAPROCK Group, Inc. | 0 | $0 | 0.00% | −1,761−100.0% | Sold out |
| Hantz Financial Services, Inc. | 0 | $0 | 0.00% | −1,762−100.0% | Sold out |
| Silver Oak Securities, Inc | 0 | $0 | 0.00% | −1,755−100.0% | Sold out |
| Wesleyan Assurance Society | 0 | $0 | 0.00% | −1,750−100.0% | Sold out |
| Inscription Capital, LLC | 0 | $0 | 0.00% | −1,713−100.0% | Sold out |
| Evolve Private Wealth, LLC | 0 | $0 | 0.00% | −1,713−100.0% | Sold out |
| Sanctuary Advisors, LLC | 0 | $0 | 0.00% | −1,689−100.0% | Sold out |
| CIBC Asset Management Inc | 0 | $0 | 0.00% | −1,669−100.0% | Sold out |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −1,642−100.0% | Sold out |
| TownSquare Capital, LLC | 0 | $0 | 0.00% | −1,638−100.0% | Sold out |
| M&G Plc | 0 | $0 | 0.00% | −1,623−100.0% | Sold out |
| Fifth Third Wealth Advisors LLC | 0 | $0 | 0.00% | −1,528−100.0% | Sold out |
| Caerus Investment Advisors, LLC | 0 | $0 | 0.00% | −1,526−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −1,524−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −1,511−100.0% | Sold out |
| Calamos Wealth Management LLC | 0 | $0 | 0.00% | −1,511−100.0% | Sold out |
| Shelton Capital Management | 0 | $0 | 0.00% | −1,478−100.0% | Sold out |
| Andina Capital Management, LLC | 0 | $0 | 0.00% | −1,420−100.0% | Sold out |
| Warren Averett Asset Management, LLC | 0 | $0 | 0.00% | −1,415−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −1,410−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −1,407−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −1,376−100.0% | Sold out |
| Corient IA LLC | 0 | $0 | 0.00% | −1,340−100.0% | Sold out |
| Wick Capital Partners, LLC | 0 | $0 | 0.00% | −1,326−100.0% | Sold out |
| Pinnacle Wealth Management Advisory Group, LLC | 0 | $0 | 0.00% | −1,324−100.0% | Sold out |
| Ground Swell Capital, LLC | 0 | $0 | 0.00% | −1,319−100.0% | Sold out |
| North Dakota State Investment Board | 0 | $0 | 0.00% | −1,318−100.0% | Sold out |
| GenTrust, LLC | 0 | $0 | 0.00% | −1,304−100.0% | Sold out |
| Parcion Private Wealth LLC | 0 | $0 | 0.00% | −1,291−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −1,289−100.0% | Sold out |
| United Capital Financial Advisers, LLC | 0 | $0 | 0.00% | −1,281−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −1,280−100.0% | Sold out |
| Worldquant Millennium Advisors LLC | 0 | $0 | 0.00% | −1,270−100.0% | Sold out |
| KBC Group NV | 0 | $0 | 0.00% | −1,258−100.0% | Sold out |
| Keel Point, LLC | 0 | $0 | 0.00% | −1,228−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −1,217−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −1,215−100.0% | Sold out |
| Essential Partners LLC | 0 | $0 | 0.00% | −1,183−100.0% | Sold out |
| Ballentine Partners, LLC | 0 | $0 | 0.00% | −1,177−100.0% | Sold out |
| Net Worth Advisory Group | 0 | $0 | 0.00% | −1,177−100.0% | Sold out |
| Frec Markets, Inc. | 0 | $0 | 0.00% | −1,143−100.0% | Sold out |
| Whittier Trust Co | 0 | $0 | 0.00% | −1,134−100.0% | Sold out |
| Knollwood Investment Advisory, LLC | 0 | $0 | 0.00% | −1,137−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −1,076−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −1,064−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −913−100.0% | Sold out |
| Eurizon Capital SGR S.p.A. | 0 | $0 | 0.00% | −845−100.0% | Sold out |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0 | $0 | 0.00% | −782−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −624−100.0% | Sold out |
| Rothschild Investment LLC | 0 | $0 | 0.00% | −606−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −586−100.0% | Sold out |
| Bayforest Capital Ltd | 0 | $0 | 0.00% | −521−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −457−100.0% | Sold out |
| Umb Bank N A | 0 | $0 | 0.00% | −444−100.0% | Sold out |
| Longfellow Investment Management Co LLC | 0 | $0 | 0.00% | −429−100.0% | Sold out |
| DHJJ Financial Advisors, Ltd. | 0 | $0 | 0.00% | −360−100.0% | Sold out |
| Smartleaf Asset Management LLC | 0 | $0 | 0.00% | −356−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −346−100.0% | Sold out |
| Sterling Capital Management LLC | 0 | $0 | 0.00% | −322−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −317−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −278−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −293−100.0% | Sold out |
| SBI Securities Co., Ltd. | 0 | $0 | 0.00% | −270−100.0% | Sold out |
| Wealth Preservation Advisors, LLC | 0 | $0 | 0.00% | −248−100.0% | Sold out |
| Ronald Blue Trust, Inc. | 0 | $0 | 0.00% | −232−100.0% | Sold out |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −220−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −220−100.0% | Sold out |
| Hilltop National Bank | 0 | $0 | 0.00% | −218−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −172−100.0% | Sold out |
| SJS Investment Consulting Inc. | 0 | $0 | 0.00% | −162−100.0% | Sold out |
| Activest Wealth Management | 0 | $0 | 0.00% | −158−100.0% | Sold out |
| JPL Wealth Management, LLC | 0 | $0 | 0.00% | −156−100.0% | Sold out |
| NBC Securities, Inc. | 0 | $0 | 0.00% | −146−100.0% | Sold out |
| Nomura Asset Management Co Ltd | 0 | $0 | 0.00% | −120−100.0% | Sold out |
| Strive Financial Group ,LLC | 0 | $0 | 0.00% | −120−100.0% | Sold out |
| Harbor Investment Advisory, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Fourth Dimension Wealth, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −88−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −81−100.0% | Sold out |
| Central Trust Co | 0 | $0 | 0.00% | −79−100.0% | Sold out |
| Boreal Capital Management LLC | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| Holos Integrated Wealth LLC | 0 | $0 | 0.00% | −68−100.0% | Sold out |
| Smithfield Trust Co | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −52−100.0% | Sold out |
| Investors Research Corp | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Clean Yield Group | 0 | $0 | 0.00% | −49−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| Covestor Ltd | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| Farmers & Merchants Investments Inc | 0 | $0 | 0.00% | −42−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −41−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −39−100.0% | Sold out |
| Basecamp Wealth Advisors LLC | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| Quent Capital, LLC | 0 | $0 | 0.00% | −37−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −31−100.0% | Sold out |
| Ancora Advisors, LLC | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| Versant Capital Management, Inc | 0 | $0 | 0.00% | −27−100.0% | Sold out |