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 2021
Institutional positions in Masimo Corp as of Dec 31, 2021. 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
- 520
- +53 vs. Q3 2021
- Shares held
- 46.4M
- +141.5K (+0.3%) vs. Q3 2021
- Total value
- $13.6B
- +$1.05B (+8.4%) vs. Q3 2021
- New holders
- 95
- 182 more added
- Sold out
- 42
- 156 more reduced
8 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Altshuler Shaham Ltd | 413 | $121.0K | 0.00% | +232+128.2% | Added |
| Koshinski Asset Management, Inc. | 495 | $144.9K | 0.01% | 00.0% | Unchanged |
| Benjamin F. Edwards & Company, Inc. | 500 | $146.0K | 0.01% | 00.0% | Unchanged |
| Cribstone Capital Management, LLC | 500 | $146.0K | 0.08% | 00.0% | Unchanged |
| Leonteq Securities AG | 499 | $146.1K | 0.01% | −3−0.6% | Reduced |
| HHM Wealth Advisors, LLC | 554 | $162.0K | 0.04% | 00.0% | Unchanged |
| Bank Julius Baer & Co. Ltd, Zurich | 559 | $164.0K | 0.00% | −53−8.7% | Reduced |
| Patron Partners Advisors, LLC | 689 | $202.0K | 0.13% | +689 | New |
| Spire Wealth Management | 693 | $203.0K | 0.00% | −305−30.6% | Reduced |
| Greenleaf Trust | 695 | $203.0K | 0.00% | +695 | New |
| CoreCap Advisors, LLC | 701 | $205.0K | 0.01% | +701 | New |
| WMS Partners, LLC | 713 | $209.0K | 0.04% | +713 | New |
| Northwestern Mutual Wealth Management Co | 723 | $212.0K | 0.00% | −109−13.1% | Reduced |
| Signaturefd, LLC | 753 | $220.0K | 0.01% | +43+6.1% | Added |
| West Family Investments, Inc. | 767 | $225.0K | 0.06% | 00.0% | Unchanged |
| Tokio Marine Asset Management Co Ltd | 768 | $225.0K | 0.02% | +768 | New |
| Veritable, L.P. | 778 | $228.0K | 0.00% | +23+3.0% | Added |
| Terra Nova Asset Management LLC | 782 | $229.0K | 0.17% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 800 | $234.0K | 0.01% | −66−7.6% | Reduced |
| Azimuth Capital Management LLC | 800 | $234.0K | 0.01% | 00.0% | Unchanged |
| Caxton Associates LP | 800 | $234.0K | 0.03% | +800 | New |
| 6 Meridian | 803 | $235.0K | 0.02% | +4+0.5% | Added |
| HBK Sorce Advisory LLC | 806 | $236.0K | 0.01% | −129−13.8% | Reduced |
| Verdence Capital Advisors LLC | 818 | $239.0K | 0.03% | +818 | New |
| Patten Group, Inc. | 827 | $242.0K | 0.06% | −180−17.9% | Reduced |
| Navellier & Associates Inc | 830 | $243.0K | 0.04% | −6−0.7% | Reduced |
| Mercer Global Advisors Inc | 829 | $243.0K | 0.00% | +2+0.2% | Added |
| IBM Retirement Fund | 834 | $244.0K | 0.03% | −587−41.3% | Reduced |
| Windsor Group LTD | 880 | $246.0K | 0.05% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 855 | $250.2K | 0.00% | −349−29.0% | Reduced |
| YHB Investment Advisors, Inc. | 859 | $251.0K | 0.02% | −4−0.5% | Reduced |
| Prelude Capital Management, LLC | 856 | $251.0K | 0.01% | +856 | New |
| Meridian Wealth Management, LLC | 870 | $255.0K | 0.03% | −15−1.7% | Reduced |
| CWM, LLC | 871 | $255.0K | 0.00% | +871 | New |
| Martingale Asset Management L P | 882 | $259.0K | 0.00% | 00.0% | Unchanged |
| SeaCrest Wealth Management, LLC | 890 | $261.0K | 0.03% | 00.0% | Unchanged |
| Livforsakringsbolaget Skandia, Omsesidigt | 900 | $263.0K | 0.02% | 00.0% | Unchanged |
| Summit Global Investments | 921 | $270.0K | 0.02% | −5,416−85.5% | Reduced |
| Captrust Financial Advisors | 952 | $279.0K | 0.00% | −320−25.2% | Reduced |
| Occudo Quantitative Strategies LP | 955 | $280.0K | 0.02% | −643−40.2% | Reduced |
| Gsa Capital Partners LLP | 957 | $280.0K | 0.04% | +957 | New |
| Harbor Investment Advisory, LLC | 995 | $291.0K | 0.04% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 999 | $292.0K | 0.01% | +55+5.8% | Added |
| Keebeck Alpha, LP | 999 | $292.0K | 0.11% | +999 | New |
| LGT Fund Management Co Ltd. | 1,000 | $293.0K | 0.08% | +1,000 | New |
| Hills Bank & Trust Co | 1,007 | $295.0K | 0.04% | 00.0% | Unchanged |
| Laurel Wealth Advisors, Inc. | 1,020 | $299.0K | 0.02% | 00.0% | Unchanged |
| United Community Bank | 1,027 | $300.7K | 0.30% | +1,027 | New |
| Boothbay Fund Management, LLC | 1,052 | $308.0K | 0.01% | +1,052 | New |
| Walleye Capital LLC | 1,080 | $316.0K | 0.01% | +1,080 | New |
| First Heartland Consultants, Inc. | 1,092 | $319.0K | 0.04% | −190−14.8% | Reduced |
| Redpoint Investment Management Pty Ltd | 1,122 | $328.0K | 0.03% | −39−3.4% | Reduced |
| Whittier Trust Co | 1,134 | $332.0K | 0.01% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 1,149 | $336.0K | 0.02% | −16−1.4% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 1,131 | $336.0K | 0.00% | 00.0% | Unchanged |
| Cigna Investments Inc | 1,151 | $337.0K | 0.03% | −420−26.7% | Reduced |
| JustInvest LLC | 1,159 | $339.0K | 0.02% | +248+27.2% | Added |
| Bank of Nova Scotia | 1,157 | $339.0K | 0.00% | +1,157 | New |
| Astrantus Ltd | 1,157 | $339.0K | 0.25% | +1,157 | New |
| Willner & Heller, LLC | 1,255 | $340.0K | 0.45% | +1,255 | New |
| Regal Investment Advisors LLC | 1,184 | $347.0K | 0.03% | +33+2.9% | Added |
| First Citizens Bank & Trust Co | 1,207 | $353.0K | 0.01% | +11+0.9% | Added |
| Echo Street Capital Management LLC | 1,214 | $355.0K | 0.00% | +63+5.5% | Added |
| J2 Capital Management Inc | 1,211 | $355.0K | 0.34% | +1,211 | New |
| Stiles Financial Services Inc | 1,235 | $362.0K | 0.17% | +1,235 | New |
| Advisor Partners LLC | 1,238 | $363.0K | 0.02% | +123+11.0% | Added |
| Nisa Investment Advisors, LLC | 1,661 | $365.0K | 0.00% | −265−13.8% | Reduced |
| JSF Financial, LLC | 1,272 | $372.0K | 0.18% | +1,272 | New |
| Financial Advocates Investment Management | 1,341 | $374.0K | 0.03% | +81+6.4% | Added |
| Van Eck Associates Corp | 1,278 | $374.0K | 0.00% | +1,278 | New |
| Graham Capital Management, L.P. | 1,287 | $376.0K | 0.02% | +1,287 | New |
| B. Metzler seel. Sohn & Co. AG | 1,271 | $378.0K | 0.00% | +1,271 | New |
| Quantinno Capital Management LP | 1,294 | $379.0K | 0.07% | −548−29.8% | Reduced |
| Bowling Portfolio Management LLC | 1,310 | $384.0K | 0.08% | −1−0.1% | Reduced |
| Capital Analysts, LLC | 1,335 | $391.0K | 0.02% | 00.0% | Unchanged |
| Walleye Trading LLC | 1,344 | $393.0K | 0.01% | +239+21.6% | Added |
| Harvest Investment Services, LLC | 1,365 | $399.0K | 0.17% | −394−22.4% | Reduced |
| M&G Investment Management Ltd | 1,371 | $402.0K | 0.00% | +74+5.7% | Added |
| Magnetar Financial LLC | 1,390 | $407.0K | 0.00% | +1,390 | New |
| Synergy Financial Group, LTD | 1,396 | $409.0K | 0.37% | +1,396 | New |
| Bridgefront Capital, LLC | 1,403 | $411.0K | 0.40% | +548+64.1% | Added |
| Central Trust Co | 1,404 | $411.0K | 0.01% | +1,204+602.0% | Added |
| Kestra Advisory Services, LLC | 1,440 | $422.0K | 0.00% | −1−0.1% | Reduced |
| CAPROCK Group, Inc. | 1,459 | $427.0K | 0.04% | 00.0% | Unchanged |
| Buckhead Capital Management LLC | 1,465 | $429.0K | 0.09% | 00.0% | Unchanged |
| Vestcor Inc | 1,479 | $433.0K | 0.02% | −220−12.9% | Reduced |
| Tocqueville Asset Management L.P. | 1,500 | $439.0K | 0.01% | 00.0% | Unchanged |
| Bluestein R H & Co | 1,500 | $439.0K | 0.02% | 00.0% | Unchanged |
| Equitable Trust Co | 1,561 | $457.0K | 0.03% | −160−9.3% | Reduced |
| GWM Advisors LLC | 1,581 | $463.0K | 0.01% | +25+1.6% | Added |
| Red Spruce Capital, LLC | 1,617 | $473.0K | 0.26% | 00.0% | Unchanged |
| AE Wealth Management LLC | 1,630 | $477.0K | 0.00% | −64−3.8% | Reduced |
| Keybank National Association | 1,695 | $496.0K | 0.00% | +203+13.6% | Added |
| Dynamic Technology Lab Private Ltd | 1,700 | $498.0K | 0.06% | +1,700 | New |
| EFG Asset Management (Americas) Corp. | 1,706 | $499.0K | 0.08% | +18+1.1% | Added |
| TownSquare Capital, LLC | 1,703 | $499.0K | 0.01% | +602+54.7% | Added |
| Swiss Life Asset Management Ltd | 1,706 | $499.5K | 0.01% | 00.0% | Unchanged |
| Wealthfront Advisers LLC | 1,743 | $511.0K | 0.00% | +138+8.6% | Added |
| Oak Thistle LLC | 1,781 | $521.0K | 0.40% | +1,781 | New |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 1,800 | $527.0K | 0.22% | 00.0% | Unchanged |