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 2023
Institutional positions in Masimo Corp as of Sep 30, 2023. 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
- 357
- −57 vs. Q2 2023
- Shares held
- 47.7M
- +1.72M (+3.7%) vs. Q2 2023
- Total value
- $4.18B
- −$3.38B (−44.7%) vs. Q2 2023
- New holders
- 59
- 81 more added
- Sold out
- 116
- 158 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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 2023
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vontobel Holding Ltd. | 5,818 | $510.1K | 0.00% | +1,113+23.7% | Added |
| Brinker Capital Investments, LLC | 5,624 | $493.1K | 0.01% | −955−14.5% | Reduced |
| Orion Portfolio Solutions, LLC | 5,624 | $493.1K | 0.01% | −955−14.5% | Reduced |
| Pictet Asset Management Holding SA | 5,401 | $473.6K | 0.00% | +5,401 | New |
| State of Alaska, Department of Revenue | 5,274 | $462.0K | 0.01% | −745−12.4% | Reduced |
| Allianz Asset Management GmbH | 5,261 | $461.3K | 0.00% | +1,238+30.8% | Added |
| Gotham Asset Management, LLC | 5,253 | $460.6K | 0.01% | −1,709−24.5% | Reduced |
| American Century Companies Inc | 5,213 | $457.1K | 0.00% | +111+2.2% | Added |
| Aigen Investment Management, LP | 4,901 | $429.7K | 0.08% | +4,901 | New |
| Baird Financial Group, Inc. | 4,582 | $401.8K | 0.00% | −55−1.2% | Reduced |
| Private Advisor Group, LLC | 4,513 | $395.7K | 0.00% | −332−6.9% | Reduced |
| Raymond James Trust N.A. | 4,480 | $392.8K | 0.01% | −24−0.5% | Reduced |
| LMR Partners LLP | 4,471 | $392.0K | 0.01% | +4,471 | New |
| North Star Asset Management Inc | 4,413 | $386.9K | 0.02% | −948−17.7% | Reduced |
| Guggenheim Capital LLC | 4,270 | $374.4K | 0.00% | +278+7.0% | Added |
| Steel Peak Wealth Management LLC | 4,235 | $371.3K | 0.02% | −182−4.1% | Reduced |
| Nebula Research & Development LLC | 4,014 | $351.9K | 0.19% | +4,014 | New |
| Pathstone Family Office, LLC | 3,891 | $341.2K | 0.00% | −237−5.7% | Reduced |
| The PNC Financial Services Group, Inc. | 3,782 | $331.6K | 0.00% | −2,096−35.7% | Reduced |
| Vestcor Inc | 3,779 | $331.0K | 0.01% | +2,606+222.2% | Added |
| Securian Asset Management, Inc | 3,757 | $329.4K | 0.01% | −556−12.9% | Reduced |
| Maryland State Retirement & Pension System | 3,736 | $327.6K | 0.01% | 00.0% | Unchanged |
| Man Group plc | – | $327.3K | 0.00% | – | – |
| Pacer Advisors, Inc. | 3,694 | $323.9K | 0.00% | −9,007−70.9% | Reduced |
| Verus Capital Partners, LLC | 3,651 | $320.1K | 0.04% | 00.0% | Unchanged |
| Institutional & Family Asset Management, LLC | 3,650 | $320.0K | 0.05% | 00.0% | Unchanged |
| Group One Trading, L.P. | 3,640 | $319.2K | 0.01% | +3,154+649.0% | Added |
| Allspring Global Investments Holdings, LLC | 3,603 | $315.9K | 0.00% | −37,977−91.3% | Reduced |
| XTX Topco Ltd | 3,500 | $306.9K | 0.05% | +2,128+155.1% | Added |
| Teacher Retirement System of Texas | 3,457 | $303.0K | 0.00% | +76+2.2% | Added |
| Crossmark Global Holdings, Inc. | 3,514 | $301.0K | 0.01% | −377−9.7% | Reduced |
| Oxford Financial Group Ltd | 3,430 | $300.7K | 0.03% | 00.0% | Unchanged |
| GTS Securities LLC | 3,297 | $289.1K | 0.01% | +3,297 | New |
| Blueshift Asset Management, LLC | 3,273 | $287.0K | 0.17% | +3,273 | New |
| HighTower Advisors, LLC | 3,259 | $285.0K | 0.00% | −1,177−26.5% | Reduced |
| Pearl River Capital, LLC | 3,234 | $283.6K | 0.04% | +3,234 | New |
| Franklin Resources Inc | 3,192 | $279.9K | 0.00% | −120−3.6% | Reduced |
| M&G Investment Management Ltd | 3,167 | $278.7K | 0.00% | +9+0.3% | Added |
| Russell Investments Group, Ltd. | 3,074 | $269.5K | 0.00% | −5,043−62.1% | Reduced |
| Advisors Asset Management, Inc. | 3,049 | $267.3K | 0.01% | +870+39.9% | Added |
| Inceptionr LLC | 3,029 | $265.6K | 0.15% | +3,029 | New |
| DAFNA Capital Management LLC | 3,000 | $263.0K | 0.08% | 00.0% | Unchanged |
| MML Investors Services, LLC | 2,974 | $261.0K | 0.00% | −708−19.2% | Reduced |
| Sigma Planning Corp | 2,905 | $254.7K | 0.01% | −90−3.0% | Reduced |
| Virginia Retirement Systems Et Al | 2,900 | $254.3K | 0.00% | +2,900 | New |
| Silvercrest Asset Management Group LLC | 2,881 | $252.6K | 0.00% | +99+3.6% | Added |
| Buckhead Capital Management LLC | 2,800 | $245.5K | 0.10% | +255+10.0% | Added |
| Graham Capital Management, L.P. | 2,797 | $245.2K | 0.01% | −1,784−38.9% | Reduced |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 2,744 | $240.6K | 0.02% | −1,690−38.1% | Reduced |
| Laurion Capital Management LP | 2,644 | $231.8K | 0.01% | +2,644 | New |
| Fox Run Management, L.L.C. | 2,628 | $230.4K | 0.07% | +562+27.2% | Added |
| Quantamental Technologies LLC | 2,604 | $228.3K | 0.21% | +2,604 | New |
| Bessemer Group Inc | 2,557 | $225.0K | 0.00% | −36,443−93.4% | Reduced |
| Commerce Bank | 2,546 | $223.2K | 0.00% | −18,030−87.6% | Reduced |
| Prudential Financial Inc | 2,541 | $222.8K | 0.00% | −3,505−58.0% | Reduced |
| JustInvest LLC | 2,519 | $220.9K | 0.01% | −8,546−77.2% | Reduced |
| Inspire Advisors, LLC | 2,505 | $219.6K | 0.04% | −2,544−50.4% | Reduced |
| Forte Capital LLC | 2,481 | $217.5K | 0.03% | −35,468−93.5% | Reduced |
| Bridgefront Capital, LLC | 2,481 | $217.5K | 0.15% | +2,481 | New |
| Mackenzie Financial Corp | 2,550 | $215.8K | 0.00% | +950+59.4% | Added |
| CI Private Wealth, LLC | 2,426 | $212.7K | 0.00% | −266−9.9% | Reduced |
| KCM Investment Advisors LLC | 2,415 | $211.7K | 0.01% | −100−4.0% | Reduced |
| ProShare Advisors LLC | 2,396 | $210.1K | 0.00% | −441−15.5% | Reduced |
| Shelton Capital Management | 2,384 | $209.0K | 0.01% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 2,173 | $190.5K | 0.00% | +2,173 | New |
| Walleye Trading LLC | 1,786 | $156.6K | 0.00% | +1,786 | New |
| Barrett & Company, Inc. | 1,700 | $149.1K | 0.09% | 00.0% | Unchanged |
| Wesleyan Assurance Society | 1,300 | $114.0K | 0.01% | 00.0% | Unchanged |
| CWM, LLC | 1,161 | $102.0K | 0.00% | −124−9.6% | Reduced |
| Whittier Trust Co | 1,134 | $99.4K | 0.00% | 00.0% | Unchanged |
| Seaport Global Advisors, LLC | 1,087 | $95.3K | 0.29% | −1,249−53.5% | Reduced |
| United Community Bank | 1,052 | $92.2K | 0.05% | 00.0% | Unchanged |
| Assetmark, Inc | 1,001 | $87.8K | 0.00% | −9,852−90.8% | Reduced |
| Harbor Investment Advisory, LLC | 970 | $85.0K | 0.01% | 00.0% | Unchanged |
| Ci Investments Inc. | 894 | $78.0K | 0.00% | −116−11.5% | Reduced |
| Quadrant Capital Group LLC | 698 | $61.2K | 0.01% | −341−32.8% | Reduced |
| Wahed Invest LLC | 687 | $60.2K | 0.02% | +1+0.1% | Added |
| VitalStone Financial, LLC | 597 | $52.0K | 0.04% | 00.0% | Unchanged |
| Benjamin F. Edwards & Company, Inc. | 500 | $44.0K | 0.00% | 00.0% | Unchanged |
| HHM Wealth Advisors, LLC | 500 | $43.8K | 0.01% | 00.0% | Unchanged |
| State of Wyoming | 485 | $42.5K | 0.01% | +155+47.0% | Added |
| Itau Unibanco Holding S.A. | 437 | $38.3K | 0.00% | −3−0.7% | Reduced |
| Clearstead Advisors, LLC | 425 | $37.3K | 0.00% | −476−52.8% | Reduced |
| Signaturefd, LLC | 424 | $37.2K | 0.00% | −540−56.0% | Reduced |
| NBC Securities, Inc. | 395 | $34.0K | 0.00% | +395 | New |
| Kapitalo Investimentos Ltda | 385 | $33.8K | 0.00% | +385 | New |
| DHJJ Financial Advisors, Ltd. | 360 | $31.6K | 0.02% | +360 | New |
| Skandinaviska Enskilda Banken AB (publ) | 355 | $31.0K | 0.00% | −8,710−96.1% | Reduced |
| Parallel Advisors, LLC | 300 | $26.3K | 0.00% | −21−6.5% | Reduced |
| Trivant Custom Portfolio Group, LLC | 300 | $26.3K | 0.02% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 283 | $24.8K | 0.00% | +79+38.7% | Added |
| Clear Street Markets LLC | 274 | $24.0K | 0.02% | +274 | New |
| Provence Wealth Management Group | 252 | $22.1K | 0.01% | +252 | New |
| Fifth Third Bancorp | 240 | $21.0K | 0.00% | −56−18.9% | Reduced |
| Nisa Investment Advisors, LLC | 240 | $21.0K | 0.00% | +5+2.1% | Added |
| Allworth Financial LP | 225 | $19.7K | 0.00% | +61+37.2% | Added |
| Northwestern Mutual Wealth Management Co | 200 | $17.5K | 0.00% | −40−16.7% | Reduced |
| Harbour Investments, Inc. | 198 | $17.4K | 0.00% | +15+8.2% | Added |
| National Bank of Canada | 159 | $13.9K | 0.00% | −16−9.1% | Reduced |
| Spire Wealth Management | 157 | $13.8K | 0.00% | −170−52.0% | Reduced |