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 2023
Institutional positions in Masimo Corp as of Jun 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
- 415
- −13 vs. Q1 2023
- Shares held
- 46.0M
- +958.6K (+2.1%) vs. Q1 2023
- Total value
- $7.56B
- −$738.3M (−8.9%) vs. Q1 2023
- New holders
- 45
- 114 more added
- Sold out
- 58
- 171 more reduced
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Profund Advisors LLC | 1,502 | $247.2K | 0.01% | −186−11.0% | Reduced |
| Boulder Hill Capital Management LP | 1,500 | $246.8K | 0.48% | +1,500 | New |
| Berkshire Asset Management LLC | 1,450 | $238.6K | 0.01% | 00.0% | Unchanged |
| Tokio Marine Asset Management Co Ltd | 1,395 | $229.5K | 0.01% | +93+7.1% | Added |
| CIBC Asset Management Inc | 1,383 | $227.6K | 0.00% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 1,382 | $227.0K | 0.01% | −6,581−82.6% | Reduced |
| XTX Topco Ltd | 1,372 | $225.8K | 0.04% | +1,372 | New |
| Capstone Investment Advisors, LLC | 1,359 | $223.6K | 0.01% | +1,359 | New |
| Engineers Gate Manager LP | 1,327 | $218.4K | 0.01% | +1,327 | New |
| Accredited Investors Inc. | 1,324 | $217.9K | 0.02% | +175+15.2% | Added |
| Wesleyan Assurance Society | 1,300 | $214.0K | 0.02% | 00.0% | Unchanged |
| CWM, LLC | 1,285 | $211.0K | 0.00% | −23−1.8% | Reduced |
| Vestcor Inc | 1,173 | $193.0K | 0.01% | −1,271−52.0% | Reduced |
| Whittier Trust Co | 1,134 | $186.6K | 0.00% | 00.0% | Unchanged |
| United Community Bank | 1,052 | $173.1K | 0.15% | −5−0.5% | Reduced |
| Quadrant Capital Group LLC | 1,039 | $171.0K | 0.02% | −169−14.0% | Reduced |
| Ci Investments Inc. | 1,010 | $166.0K | 0.00% | +579+134.3% | Added |
| Banque Cantonale Vaudoise | 1,000 | $164.0K | 0.01% | 00.0% | Unchanged |
| Leonteq Securities AG | 986 | $162.2K | 0.02% | +466+89.6% | Added |
| Harbor Investment Advisory, LLC | 970 | $159.6K | 0.02% | 00.0% | Unchanged |
| Signaturefd, LLC | 964 | $158.6K | 0.00% | −65−6.3% | Reduced |
| Clearstead Advisors, LLC | 901 | $148.3K | 0.01% | +786+683.5% | Added |
| Wahed Invest LLC | 686 | $112.9K | 0.04% | +75+12.3% | Added |
| VitalStone Financial, LLC | 597 | $110.0K | 0.06% | 00.0% | Unchanged |
| Ostrum Asset Management | 603 | $99.2K | 0.01% | +1+0.2% | Added |
| Arcadia Investment Management Corp | 504 | $82.9K | 0.02% | −25−4.7% | Reduced |
| HHM Wealth Advisors, LLC | 500 | $82.3K | 0.02% | 00.0% | Unchanged |
| Benjamin F. Edwards & Company, Inc. | 500 | $82.0K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 486 | $80.0K | 0.00% | +486 | New |
| Itau Unibanco Holding S.A. | 440 | $72.4K | 0.00% | −1−0.2% | Reduced |
| JJJ Advisors Inc. | 423 | $69.6K | 0.02% | −25−5.6% | Reduced |
| Cubist Systematic Strategies, LLC | 400 | $65.8K | 0.00% | −918−69.7% | Reduced |
| UniSuper Management Pty Ltd | 400 | $65.8K | 0.00% | +400 | New |
| Federation des caisses Desjardins du Quebec | 380 | $62.5K | 0.00% | +250+192.3% | Added |
| Massmutual Trust Co FSB | 342 | $56.3K | 0.00% | +229+202.7% | Added |
| State of Wyoming | 330 | $54.3K | 0.02% | +65+24.5% | Added |
| Spire Wealth Management | 327 | $53.8K | 0.00% | −10−3.0% | Reduced |
| Parallel Advisors, LLC | 321 | $52.8K | 0.00% | −38−10.6% | Reduced |
| Quantbot Technologies LP | 317 | $52.2K | 0.00% | +317 | New |
| Trivant Custom Portfolio Group, LLC | 300 | $49.4K | 0.03% | 00.0% | Unchanged |
| Fifth Third Bancorp | 296 | $48.7K | 0.00% | +44+17.5% | Added |
| Fred Alger Management, LLC | 266 | $43.8K | 0.00% | −8,210−96.9% | Reduced |
| Northwestern Mutual Wealth Management Co | 240 | $39.5K | 0.00% | +35+17.1% | Added |
| Achmea Investment Management B.V. | 242 | $39.0K | 0.00% | +242 | New |
| Nisa Investment Advisors, LLC | 235 | $38.7K | 0.00% | −3,114−93.0% | Reduced |
| Lindbrook Capital, LLC | 204 | $33.6K | 0.00% | −8−3.8% | Reduced |
| Harbour Investments, Inc. | 183 | $30.1K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 175 | $28.8K | 0.00% | +175 | New |
| Allworth Financial LP | 164 | $27.0K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 130 | $21.4K | 0.00% | +127+4,233.3% | Added |
| Riverview Trust Co | 123 | $20.2K | 0.02% | 00.0% | Unchanged |
| BI Asset Management Fondsmaeglerselskab A/S | 119 | $20.0K | 0.00% | 00.0% | Unchanged |
| Natixis | 120 | $19.7K | 0.00% | +119+11,900.0% | Added |
| Raleigh Capital Management Inc. | 103 | $17.0K | 0.01% | +34+49.3% | Added |
| West Oak Capital, LLC | 100 | $16.5K | 0.01% | 00.0% | Unchanged |
| Cary Street Partner Investment Advisory LLC | 100 | $16.5K | 0.00% | 00.0% | Unchanged |
| Center for Financial Planning, Inc. | 100 | $16.5K | 0.00% | 00.0% | Unchanged |
| Headlands Technologies LLC | 84 | $13.8K | 0.00% | +84 | New |
| Private Trust Co NA | 74 | $12.2K | 0.00% | +74 | New |
| Sunbelt Securities, Inc. | 71 | $11.7K | 0.00% | −3−4.1% | Reduced |
| GWM Advisors LLC | 69 | $11.3K | 0.00% | 00.0% | Unchanged |
| Smithfield Trust Co | 65 | $11.0K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 55 | $9.05K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 53 | $9.00K | 0.01% | −67−55.8% | Reduced |
| Hantz Financial Services, Inc. | 54 | $9.00K | 0.00% | +15+38.5% | Added |
| Ronald Blue Trust, Inc. | 51 | $9.00K | 0.00% | +10+24.4% | Added |
| Gradient Investments LLC | 50 | $8.23K | 0.00% | 00.0% | Unchanged |
| Colonial Trust Advisors | 50 | $8.23K | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 50 | $8.23K | 0.00% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 50 | $8.23K | 0.00% | 00.0% | Unchanged |
| Global Wealth Strategies & Associates | 50 | $8.23K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 50 | $8.23K | 0.00% | +11+28.2% | Added |
| Clean Yield Group | 49 | $8.06K | 0.00% | 00.0% | Unchanged |
| Safeguard Financial, LLC | 50 | $8.00K | 0.00% | +50 | New |
| Baker Avenue Asset Management, LP | 41 | $6.75K | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 36 | $6.00K | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 36 | $5.00K | 0.00% | −875−96.0% | Reduced |
| RE Dickinson Investment Advisors, LLC | 32 | $5.00K | 0.00% | 00.0% | Unchanged |
| Earnest Partners LLC | 27 | $4.44K | 0.00% | 00.0% | Unchanged |
| Hallmark Capital Management Inc | 26 | $4.28K | 0.00% | 00.0% | Unchanged |
| West Tower Group, LLC | 25 | $4.11K | 0.00% | +25 | New |
| Parkside Financial Bank & Trust | 24 | $3.95K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 21 | $3.46K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 21 | $3.46K | 0.00% | 00.0% | Unchanged |
| Rise Advisors, LLC | 20 | $3.29K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 19 | $3.13K | 0.00% | −3−13.6% | Reduced |
| TD Waterhouse Canada Inc. | 16 | $3.06K | 0.00% | −4−20.0% | Reduced |
| Harvest Fund Management Co., Ltd | 18 | $3.00K | 0.00% | −985−98.2% | Reduced |
| Quent Capital, LLC | 16 | $2.63K | 0.00% | 00.0% | Unchanged |
| Umb Bank N A | 14 | $2.30K | 0.00% | 00.0% | Unchanged |
| WFA Asset Management Corp | 12 | $1.98K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 12 | $1.98K | 0.00% | 00.0% | Unchanged |
| FinTrust Capital Advisors, LLC | 13 | $1.92K | 0.00% | 00.0% | Unchanged |
| Sutton Wealth Advisors Inc. | 11 | $1.81K | 0.00% | 00.0% | Unchanged |
| Lee Financial Co | 10 | $1.65K | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 9 | $1.48K | 0.00% | 00.0% | Unchanged |
| Adirondack Trust Co | 12 | $1.47K | 0.00% | 00.0% | Unchanged |
| Moisand Fitzgerald Tamayo, LLC | 8 | $1.32K | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 8 | $1.32K | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 8 | $1.32K | 0.00% | 00.0% | Unchanged |