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 2025
Institutional positions in Masimo Corp as of Jun 30, 2025. 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
- 379
- −11 vs. Q1 2025
- Shares held
- 57.5M
- +3.35M (+6.2%) vs. Q1 2025
- Total value
- $9.68B
- +$653.6M (+7.2%) vs. Q1 2025
- New holders
- 46
- 127 more added
- Sold out
- 57
- 136 more reduced
3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Advisors Asset Management, Inc. | 24,383 | $4.10M | 0.07% | −2,905−10.6% | Reduced |
| Citadel Advisors LLC | 24,277 | $4.08M | 0.00% | −25,205−50.9% | Reduced |
| Point72 Asset Management, L.P. | 24,219 | $4.07M | 0.01% | −291,203−92.3% | Reduced |
| New York State Common Retirement Fund | 24,160 | $4.06M | 0.01% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 23,267 | $3.91M | 0.06% | +2,661+12.9% | Added |
| Montanaro Asset Management Ltd | 22,860 | $3.85M | 0.99% | −9,440−29.2% | Reduced |
| Mutual of America Capital Management LLC | 22,379 | $3.76M | 0.04% | −492−2.2% | Reduced |
| Amalgamated Bank | 21,743 | $3.66M | 0.03% | +1,081+5.2% | Added |
| State of Wisconsin Investment Board | 21,644 | $3.64M | 0.01% | +5,110+30.9% | Added |
| Perpetual Ltd | 21,172 | $3.56M | 0.04% | −9,037−29.9% | Reduced |
| Treasurer of the State of North Carolina | 21,053 | $3.54M | 0.01% | +1,198+6.0% | Added |
| Allspring Global Investments Holdings, LLC | 20,897 | $3.53M | 0.01% | −17,405−45.4% | Reduced |
| Cardinal Capital Management | 20,237 | $3.40M | 0.50% | +369+1.9% | Added |
| Janus Henderson Group PLC | 20,000 | $3.36M | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 19,581 | $3.29M | 0.00% | +7,307+59.5% | Added |
| Commerce Bank | 19,430 | $3.27M | 0.02% | +14,406+286.7% | Added |
| Verition Fund Management LLC | 18,313 | $3.08M | 0.02% | −125,446−87.3% | Reduced |
| Wells Fargo & Company | 18,189 | $3.06M | 0.00% | −328−1.8% | Reduced |
| State of Tennessee, Treasury Department | 18,170 | $3.06M | 0.01% | 00.0% | Unchanged |
| Storebrand Asset Management AS | 17,732 | $2.98M | 0.01% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 16,943 | $2.85M | 0.03% | +1,215+7.7% | Added |
| Ensign Peak Advisors, Inc | 15,976 | $2.69M | 0.00% | +843+5.6% | Added |
| State of New Jersey Common Pension Fund D | 15,867 | $2.67M | 0.01% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 15,800 | $2.66M | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 15,677 | $2.64M | 0.00% | +10,251+188.9% | Added |
| Yousif Capital Management, LLC | 15,641 | $2.63M | 0.03% | −145−0.9% | Reduced |
| Brown Advisory Inc | 15,532 | $2.61M | 0.00% | +44+0.3% | Added |
| Two Sigma Investments, LP | 15,465 | $2.60M | 0.00% | −9,700−38.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 14,771 | $2.48M | 0.02% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 14,766 | $2.48M | 0.01% | +13,143+809.8% | Added |
| Public Employees Retirement System of Ohio | 14,332 | $2.41M | 0.01% | +598+4.4% | Added |
| Schonfeld Strategic Advisors LLC | 14,239 | $2.40M | 0.02% | +3,969+38.6% | Added |
| Empower Advisory Group, LLC | 14,060 | $2.37M | 0.01% | 00.0% | Unchanged |
| Arizona State Retirement System | 13,385 | $2.25M | 0.01% | +357+2.7% | Added |
| Lockerman Financial Group, Inc. | 13,100 | $2.20M | 2.97% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 12,700 | $2.14M | 0.04% | +300+2.4% | Added |
| Illinois Municipal Retirement Fund | 12,420 | $2.09M | 0.03% | +3,111+33.4% | Added |
| Handelsbanken Fonder AB | 12,330 | $2.07M | 0.01% | −600−4.6% | Reduced |
| Fred Alger Management, LLC | 12,185 | $2.05M | 0.01% | +3,413+38.9% | Added |
| Teacher Retirement System of Texas | 11,671 | $1.96M | 0.01% | −1,592−12.0% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 11,562 | $1.94M | 0.01% | +939+8.8% | Added |
| Paradigm Capital Management Inc | 11,353 | $1.91M | 0.09% | 00.0% | Unchanged |
| Creative Planning | 11,170 | $1.88M | 0.00% | −48−0.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 11,062 | $1.86M | 0.00% | −309−2.7% | Reduced |
| Russell Investments Group, Ltd. | 10,935 | $1.84M | 0.00% | −23,812−68.5% | Reduced |
| XTX Topco Ltd | 10,837 | $1.82M | 0.08% | +10,837 | New |
| State of Michigan Retirement System | 10,796 | $1.82M | 0.01% | +200+1.9% | Added |
| Thrivent Financial for Lutherans | 10,596 | $1.78M | 0.00% | +177+1.7% | Added |
| Graham Capital Management, L.P. | 10,480 | $1.76M | 0.05% | +10,480 | New |
| Northwestern Mutual Investment Management Company, LLC | 10,047 | $1.69M | 0.03% | +166+1.7% | Added |
| Bryn Mawr Trust Co | 9,950 | $1.67M | 0.03% | −1,290−11.5% | Reduced |
| New Mexico Educational Retirement Board | 9,900 | $1.67M | 0.05% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 9,400 | $1.58M | 0.01% | +500+5.6% | Added |
| Oregon Public Employees Retirement Fund | 9,219 | $1.55M | 0.03% | +200+2.2% | Added |
| Xponance, Inc. | 9,206 | $1.55M | 0.01% | +2,105+29.6% | Added |
| TownSquare Capital, LLC | 9,014 | $1.52M | 0.15% | −856−8.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,857 | $1.49M | 0.00% | +662+8.1% | Added |
| Ameritas Investment Partners, Inc. | 8,744 | $1.47M | 0.05% | 00.0% | Unchanged |
| Birchview Capital, LP | 8,280 | $1.39M | 1.38% | −3,000−26.6% | Reduced |
| Gluskin Sheff & Assoc Inc | 8,224 | $1.38M | 0.17% | −9,231−52.9% | Reduced |
| De Burlo Group Inc | 8,102 | $1.36M | 0.18% | −300−3.6% | Reduced |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 8,000 | $1.35M | 0.70% | 00.0% | Unchanged |
| Entropy Technologies, LP | 8,000 | $1.35M | 0.11% | +6,197+343.7% | Added |
| LPL Financial LLC | 7,304 | $1.23M | 0.00% | +2,248+44.5% | Added |
| Marshall Wace, LLP | 7,208 | $1.21M | 0.00% | −3,766−34.3% | Reduced |
| Summit Trail Advisors, LLC | 7,160 | $1.20M | 0.02% | +7,160 | New |
| Pathstone Holdings, LLC | 7,099 | $1.19M | 0.00% | +1,604+29.2% | Added |
| Landscape Capital Management, L.L.C. | 7,029 | $1.18M | 0.09% | +2,031+40.6% | Added |
| Engineers Gate Manager LP | 6,873 | $1.16M | 0.01% | −881−11.4% | Reduced |
| Bayforest Capital Ltd | 6,705 | $1.13M | 0.49% | +6,705 | New |
| Pictet Asset Management Holding SA | 6,679 | $1.12M | 0.00% | −112−1.6% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 6,640 | $1.12M | 0.00% | +235+3.7% | Added |
| JustInvest LLC | 6,441 | $1.08M | 0.01% | +726+12.7% | Added |
| The PNC Financial Services Group, Inc. | 6,398 | $1.08M | 0.00% | +714+12.6% | Added |
| Deutsche Bank AG | 6,312 | $1.06M | 0.00% | +30.0% | Added |
| Guggenheim Capital LLC | 5,673 | $954.3K | 0.01% | −683−10.7% | Reduced |
| Calamos Advisors LLC | 5,617 | $944.9K | 0.00% | −17,832−76.0% | Reduced |
| Winton Group Ltd | 5,617 | $944.9K | 0.05% | +5,617 | New |
| Bank of Montreal | 5,563 | $935.8K | 0.00% | −565−9.2% | Reduced |
| B.O.S.S. Retirement Advisors, LLC | 5,332 | $896.9K | 0.23% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 5,069 | $852.7K | 0.00% | −69,893−93.2% | Reduced |
| State of Alaska, Department of Revenue | 5,054 | $850.0K | 0.01% | −150−2.9% | Reduced |
| Quadrant Capital Group LLC | 4,981 | $837.9K | 0.03% | +933+23.0% | Added |
| Franklin Resources Inc | 4,902 | $824.6K | 0.00% | −7,384−60.1% | Reduced |
| Bryce Point Capital, LLC | 4,885 | $821.8K | 0.70% | +4,885 | New |
| Brinker Capital Investments, LLC | 4,871 | $819.4K | 0.01% | +104+2.2% | Added |
| Eukles Asset Management | 4,853 | $816.4K | 0.33% | −263−5.1% | Reduced |
| Public Employees Retirement Association of Colorado | 4,685 | $788.0K | 0.00% | −156−3.2% | Reduced |
| Wetherby Asset Management Inc | 4,557 | $766.6K | 0.03% | +4,557 | New |
| BNP Paribas Arbitrage, SA | 4,483 | $754.1K | 0.00% | −66,240−93.7% | Reduced |
| Kovitz Investment Group Partners, LLC | 4,396 | $739.5K | 0.00% | +480+12.3% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 4,319 | $726.5K | 0.00% | +280+6.9% | Added |
| Vestmark Advisory Solutions, Inc. | 4,250 | $714.9K | 0.01% | +976+29.8% | Added |
| Private Advisor Group, LLC | 4,244 | $713.9K | 0.00% | −11−0.3% | Reduced |
| Federated Hermes, Inc. | 4,201 | $706.7K | 0.00% | −46,801−91.8% | Reduced |
| US Bancorp | 4,170 | $701.5K | 0.00% | −156−3.6% | Reduced |
| Steel Peak Wealth Management LLC | 4,067 | $684.2K | 0.03% | −3−0.1% | Reduced |
| NEOS Investment Management LLC | 3,949 | $664.3K | 0.01% | −594−13.1% | Reduced |
| Tema ETFs LLC | 3,949 | $664.3K | 0.18% | −594−13.1% | Reduced |
| Millennium Management LLC | 3,907 | $657.2K | 0.00% | −130,899−97.1% | Reduced |