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 |
|---|---|---|---|---|---|
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −8,411−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −8,355−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −7,970−100.0% | Sold out |
| Allstate Corp | 0 | $0 | 0.00% | −7,898−100.0% | Sold out |
| Odyssean, LLC | 0 | $0 | 0.00% | −7,845−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −7,836−100.0% | Sold out |
| De Burlo Group Inc | 0 | $0 | 0.00% | −7,802−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −7,708−100.0% | Sold out |
| Illinois Municipal Retirement Fund | 0 | $0 | 0.00% | −7,626−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −7,618−100.0% | Sold out |
| Pathstone Holdings, LLC | 0 | $0 | 0.00% | −7,386−100.0% | Sold out |
| Colony Group, LLC | 0 | $0 | 0.00% | −7,247−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −7,201−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −7,189−100.0% | Sold out |
| Pictet Asset Management Holding SA | 0 | $0 | 0.00% | −7,020−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −7,000−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −6,600−100.0% | Sold out |
| Navellier & Associates Inc | 0 | $0 | 0.00% | −6,310−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −6,106−100.0% | Sold out |
| Merit Financial Group, LLC | 0 | $0 | 0.00% | −6,097−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −6,058−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −5,921−100.0% | Sold out |
| Redwood Investment Management, LLC | 0 | $0 | 0.00% | −5,835−100.0% | Sold out |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0 | $0 | 0.00% | −5,695−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −5,629−100.0% | Sold out |
| Bryn Mawr Trust Co | 0 | $0 | 0.00% | −5,370−100.0% | Sold out |
| B.O.S.S. Retirement Advisors, LLC | 0 | $0 | 0.00% | −5,337−100.0% | Sold out |
| Brighton Jones LLC | 0 | $0 | 0.00% | −5,281−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −5,107−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −5,024−100.0% | Sold out |
| Fieldview Capital Management, LLC | 0 | $0 | 0.00% | −4,784−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −4,732−100.0% | Sold out |
| Commerce Bank | 0 | $0 | 0.00% | −4,731−100.0% | Sold out |
| Diversified Trust Co | 0 | $0 | 0.00% | −4,685−100.0% | Sold out |
| Public Employees Retirement Association of Colorado | 0 | $0 | 0.00% | −4,685−100.0% | Sold out |
| State of Alaska, Department of Revenue | 0 | $0 | 0.00% | −4,602−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −4,549−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −4,458−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −4,436−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −4,399−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −4,363−100.0% | Sold out |
| Private Advisor Group, LLC | 0 | $0 | 0.00% | −4,211−100.0% | Sold out |
| Evergreen Capital Management LLC | 0 | $0 | 0.00% | −4,149−100.0% | Sold out |
| New Age Alpha Advisors, LLC | 0 | $0 | 0.00% | −4,135−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −4,122−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −4,045−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −3,933−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −3,917−100.0% | Sold out |
| Eukles Asset Management | 0 | $0 | 0.00% | −3,722−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −3,683−100.0% | Sold out |
| Verus Capital Partners, LLC | 0 | $0 | 0.00% | −3,651−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −3,581−100.0% | Sold out |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 0 | $0 | 0.00% | −3,558−100.0% | Sold out |
| RMB Capital Management, LLC | 0 | $0 | 0.00% | −3,542−100.0% | Sold out |
| Oxford Financial Group Ltd | 0 | $0 | 0.00% | −3,430−100.0% | Sold out |
| Securian Asset Management, Inc | 0 | $0 | 0.00% | −3,333−100.0% | Sold out |
| Buckingham Strategic Partners | 0 | $0 | 0.00% | −3,296−100.0% | Sold out |
| Canvas Wealth Advisors, LLC | 0 | $0 | 0.00% | −3,191−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −3,100−100.0% | Sold out |
| Integrated Wealth Concepts LLC | 0 | $0 | 0.00% | −3,077−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −2,921−100.0% | Sold out |
| Swiss Life Asset Management Ltd | 0 | $0 | 0.00% | −2,812−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −2,761−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −2,748−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −2,739−100.0% | Sold out |
| 180 Wealth Advisors, LLC | 0 | $0 | 0.00% | −2,728−100.0% | Sold out |
| HB Wealth Management, LLC | 0 | $0 | 0.00% | −2,704−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −2,691−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −2,665−100.0% | Sold out |
| Buckhead Capital Management LLC | 0 | $0 | 0.00% | −2,650−100.0% | Sold out |
| Crossmark Global Holdings, Inc. | 0 | $0 | 0.00% | −2,647−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −2,594−100.0% | Sold out |
| Summit Trail Advisors, LLC | 0 | $0 | 0.00% | −2,551−100.0% | Sold out |
| Jones Financial Companies LLLP | 0 | $0 | 0.00% | −2,545−100.0% | Sold out |
| NorthCrest Asset Manangement, LLC | 0 | $0 | 0.00% | −2,516−100.0% | Sold out |
| KCM Investment Advisors LLC | 0 | $0 | 0.00% | −2,515−100.0% | Sold out |
| CWM Advisors, LLC | 0 | $0 | 0.00% | −2,497−100.0% | Sold out |
| DnB Asset Management AS | 0 | $0 | 0.00% | −2,411−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −2,398−100.0% | Sold out |
| Utah Retirement Systems | 0 | $0 | 0.00% | −2,382−100.0% | Sold out |
| Hardy Reed LLC | 0 | $0 | 0.00% | −2,381−100.0% | Sold out |
| Beese Fulmer Investment Management, Inc. | 0 | $0 | 0.00% | −2,360−100.0% | Sold out |
| Fiduciary Trust Co | 0 | $0 | 0.00% | −2,339−100.0% | Sold out |
| Sentinus, LLC | 0 | $0 | 0.00% | −2,250−100.0% | Sold out |
| AlphaGrep UK Ltd | 0 | $0 | 0.00% | −2,199−100.0% | Sold out |
| Bull Harbor Capital LLC | 0 | $0 | 0.00% | −2,151−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −2,118−100.0% | Sold out |
| Vident Advisory, LLC | 0 | $0 | 0.00% | −2,103−100.0% | Sold out |
| Assetmark, Inc | 0 | $0 | 0.00% | −2,068−100.0% | Sold out |
| Maryland State Retirement & Pension System | 0 | $0 | 0.00% | −2,028−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −1,955−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −1,919−100.0% | Sold out |
| Mission Wealth Management, LP | 0 | $0 | 0.00% | −1,905−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −1,899−100.0% | Sold out |
| Krilogy Financial LLC | 0 | $0 | 0.00% | −1,879−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −1,875−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −1,857−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −1,827−100.0% | Sold out |
| Pinnacle Associates Ltd | 0 | $0 | 0.00% | −1,824−100.0% | Sold out |
| Chicago Partners Investment Group LLC | 0 | $0 | 0.00% | −1,802−100.0% | Sold out |