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 |
|---|---|---|---|---|---|
| JustInvest LLC | 2,519 | $220.9K | 0.01% | −8,546−77.2% | Reduced |
| Prudential Financial Inc | 2,541 | $222.8K | 0.00% | −3,505−58.0% | Reduced |
| Commerce Bank | 2,546 | $223.2K | 0.00% | −18,030−87.6% | Reduced |
| Bessemer Group Inc | 2,557 | $225.0K | 0.00% | −36,443−93.4% | Reduced |
| Quantamental Technologies LLC | 2,604 | $228.3K | 0.21% | +2,604 | New |
| Fox Run Management, L.L.C. | 2,628 | $230.4K | 0.07% | +562+27.2% | Added |
| Laurion Capital Management LP | 2,644 | $231.8K | 0.01% | +2,644 | New |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 2,744 | $240.6K | 0.02% | −1,690−38.1% | Reduced |
| Graham Capital Management, L.P. | 2,797 | $245.2K | 0.01% | −1,784−38.9% | Reduced |
| Buckhead Capital Management LLC | 2,800 | $245.5K | 0.10% | +255+10.0% | Added |
| Silvercrest Asset Management Group LLC | 2,881 | $252.6K | 0.00% | +99+3.6% | Added |
| Virginia Retirement Systems Et Al | 2,900 | $254.3K | 0.00% | +2,900 | New |
| Sigma Planning Corp | 2,905 | $254.7K | 0.01% | −90−3.0% | Reduced |
| MML Investors Services, LLC | 2,974 | $261.0K | 0.00% | −708−19.2% | Reduced |
| DAFNA Capital Management LLC | 3,000 | $263.0K | 0.08% | 00.0% | Unchanged |
| Inceptionr LLC | 3,029 | $265.6K | 0.15% | +3,029 | New |
| Advisors Asset Management, Inc. | 3,049 | $267.3K | 0.01% | +870+39.9% | Added |
| Russell Investments Group, Ltd. | 3,074 | $269.5K | 0.00% | −5,043−62.1% | Reduced |
| M&G Investment Management Ltd | 3,167 | $278.7K | 0.00% | +9+0.3% | Added |
| Franklin Resources Inc | 3,192 | $279.9K | 0.00% | −120−3.6% | Reduced |
| Pearl River Capital, LLC | 3,234 | $283.6K | 0.04% | +3,234 | New |
| HighTower Advisors, LLC | 3,259 | $285.0K | 0.00% | −1,177−26.5% | Reduced |
| Blueshift Asset Management, LLC | 3,273 | $287.0K | 0.17% | +3,273 | New |
| GTS Securities LLC | 3,297 | $289.1K | 0.01% | +3,297 | New |
| Oxford Financial Group Ltd | 3,430 | $300.7K | 0.03% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 3,514 | $301.0K | 0.01% | −377−9.7% | Reduced |
| Teacher Retirement System of Texas | 3,457 | $303.0K | 0.00% | +76+2.2% | Added |
| XTX Topco Ltd | 3,500 | $306.9K | 0.05% | +2,128+155.1% | Added |
| Allspring Global Investments Holdings, LLC | 3,603 | $315.9K | 0.00% | −37,977−91.3% | Reduced |
| Group One Trading, L.P. | 3,640 | $319.2K | 0.01% | +3,154+649.0% | Added |
| Institutional & Family Asset Management, LLC | 3,650 | $320.0K | 0.05% | 00.0% | Unchanged |
| Verus Capital Partners, LLC | 3,651 | $320.1K | 0.04% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 3,694 | $323.9K | 0.00% | −9,007−70.9% | Reduced |
| Man Group plc | – | $327.3K | 0.00% | – | – |
| Maryland State Retirement & Pension System | 3,736 | $327.6K | 0.01% | 00.0% | Unchanged |
| Securian Asset Management, Inc | 3,757 | $329.4K | 0.01% | −556−12.9% | Reduced |
| Vestcor Inc | 3,779 | $331.0K | 0.01% | +2,606+222.2% | Added |
| The PNC Financial Services Group, Inc. | 3,782 | $331.6K | 0.00% | −2,096−35.7% | Reduced |
| Pathstone Family Office, LLC | 3,891 | $341.2K | 0.00% | −237−5.7% | Reduced |
| Nebula Research & Development LLC | 4,014 | $351.9K | 0.19% | +4,014 | New |
| Steel Peak Wealth Management LLC | 4,235 | $371.3K | 0.02% | −182−4.1% | Reduced |
| Guggenheim Capital LLC | 4,270 | $374.4K | 0.00% | +278+7.0% | Added |
| North Star Asset Management Inc | 4,413 | $386.9K | 0.02% | −948−17.7% | Reduced |
| LMR Partners LLP | 4,471 | $392.0K | 0.01% | +4,471 | New |
| Raymond James Trust N.A. | 4,480 | $392.8K | 0.01% | −24−0.5% | Reduced |
| Private Advisor Group, LLC | 4,513 | $395.7K | 0.00% | −332−6.9% | Reduced |
| Baird Financial Group, Inc. | 4,582 | $401.8K | 0.00% | −55−1.2% | Reduced |
| Aigen Investment Management, LP | 4,901 | $429.7K | 0.08% | +4,901 | New |
| American Century Companies Inc | 5,213 | $457.1K | 0.00% | +111+2.2% | Added |
| Gotham Asset Management, LLC | 5,253 | $460.6K | 0.01% | −1,709−24.5% | Reduced |
| Allianz Asset Management GmbH | 5,261 | $461.3K | 0.00% | +1,238+30.8% | Added |
| State of Alaska, Department of Revenue | 5,274 | $462.0K | 0.01% | −745−12.4% | Reduced |
| Pictet Asset Management Holding SA | 5,401 | $473.6K | 0.00% | +5,401 | New |
| 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 |
| Vontobel Holding Ltd. | 5,818 | $510.1K | 0.00% | +1,113+23.7% | Added |
| Public Employees Retirement Association of Colorado | 5,875 | $515.0K | 0.00% | −334−5.4% | Reduced |
| LPL Financial LLC | 6,137 | $538.1K | 0.00% | −13,589−68.9% | Reduced |
| Advisors Preferred, LLC | 6,150 | $539.4K | 0.18% | +6,150 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 6,243 | $547.4K | 0.00% | −17,609−73.8% | Reduced |
| Navellier & Associates Inc | 6,310 | $553.3K | 0.09% | +6,310 | New |
| Amundi | 7,171 | $554.7K | 0.00% | −50,150−87.5% | Reduced |
| Tower Research Capital LLC (TRC) | 6,361 | $557.7K | 0.02% | +19+0.3% | Added |
| Truist Financial Corp | 6,942 | $608.7K | 0.00% | +414+6.3% | Added |
| Echo Street Capital Management LLC | 7,151 | $627.0K | 0.01% | +5,202+266.9% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,201 | $631.4K | 0.00% | −1,557−17.8% | Reduced |
| Janney Montgomery Scott LLC | 7,229 | $634.0K | 0.00% | −184−2.5% | Reduced |
| US Bancorp | 7,307 | $640.7K | 0.00% | +35+0.5% | Added |
| Utah Retirement Systems | 7,421 | $650.7K | 0.01% | −800−9.7% | Reduced |
| Standard Life Aberdeen plc | 7,472 | $655.1K | 0.00% | −953−11.3% | Reduced |
| APG Asset Management N.V. | 7,611 | $667.3K | 0.00% | −32,602−81.1% | Reduced |
| Advisor Group Holdings, Inc. | 8,017 | $702.8K | 0.00% | +503+6.7% | Added |
| Exchange Traded Concepts, LLC | 8,125 | $712.4K | 0.02% | +1,298+19.0% | Added |
| State of Wisconsin Investment Board | 8,157 | $715.2K | 0.00% | −26,726−76.6% | Reduced |
| Linden Thomas Advisory Services, LLC | 8,356 | $732.7K | 0.16% | +1,799+27.4% | Added |
| Peloton Wealth Strategists | 8,500 | $745.0K | 0.34% | −1,050−11.0% | Reduced |
| Two Sigma Investments, LP | 8,587 | $752.9K | 0.00% | −16,773−66.1% | Reduced |
| Axq Capital, LP | 8,600 | $754.0K | 0.27% | +8,600 | New |
| Handelsbanken Fonder AB | 8,830 | $774.0K | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,984 | $787.7K | 0.01% | −14,488−61.7% | Reduced |
| Illinois Municipal Retirement Fund | 9,309 | $816.0K | 0.02% | 00.0% | Unchanged |
| Eukles Asset Management | 9,320 | $817.2K | 0.43% | +66+0.7% | Added |
| Weiss Multi-Strategy Advisers LLC | 9,400 | $824.0K | 0.02% | +9,400 | New |
| Northwestern Mutual Investment Management Company, LLC | 9,840 | $862.8K | 0.02% | −951−8.8% | Reduced |
| Xponance, Inc. | 9,891 | $867.2K | 0.01% | −995−9.1% | Reduced |
| New Mexico Educational Retirement Board | 9,900 | $868.0K | 0.04% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 9,952 | $872.6K | 0.03% | −2,174−17.9% | Reduced |
| KBC Group NV | 10,402 | $912.0K | 0.00% | −1,846−15.1% | Reduced |
| State of Michigan Retirement System | 10,596 | $929.1K | 0.01% | −1,400−11.7% | Reduced |
| Schonfeld Strategic Advisors LLC | 10,793 | $946.3K | 0.01% | +10,793 | New |
| HSBC Holdings PLC | 10,948 | $964.3K | 0.00% | −13,037−54.4% | Reduced |
| Laurus Investment Counsel Inc. | 8,340 | $985.6K | 0.41% | 00.0% | Unchanged |
| Leonteq Securities AG | 11,309 | $991.6K | 0.10% | +10,323+1,047.0% | Added |
| Two Sigma Securities, LLC | 11,340 | $994.3K | 0.05% | +9,237+439.2% | Added |
| Paradigm Capital Management Inc | 11,353 | $995.4K | 0.06% | 00.0% | Unchanged |
| De Burlo Group Inc | 11,452 | $1.00M | 0.17% | −1,000−8.0% | Reduced |
| Cardinal Capital Management | 11,547 | $1.01M | 0.21% | +490+4.4% | Added |
| Susquehanna Fundamental Investments, LLC | 11,899 | $1.04M | 0.07% | −34,770−74.5% | Reduced |
| Duality Advisers, LP | 12,157 | $1.07M | 0.13% | +12,157 | New |
| Carmignac Gestion | 12,270 | $1.08M | 0.02% | −33,008−72.9% | Reduced |