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 |
|---|---|---|---|---|---|
| HighTower Advisors, LLC | 3,889 | $654.2K | 0.00% | −661−14.5% | Reduced |
| RFG Advisory, LLC | 3,887 | $653.9K | 0.02% | −2,893−42.7% | Reduced |
| Prudential Financial Inc | 3,872 | $651.3K | 0.00% | +682+21.4% | Added |
| Vestcor Inc | 3,825 | $643.0K | 0.02% | 00.0% | Unchanged |
| Verus Capital Partners, LLC | 3,651 | $614.2K | 0.05% | 00.0% | Unchanged |
| Algert Global LLC | 3,570 | $600.5K | 0.01% | −3,740−51.2% | Reduced |
| Bridgefront Capital, LLC | 3,564 | $599.5K | 0.16% | +894+33.5% | Added |
| Truist Financial Corp | 3,538 | $595.2K | 0.00% | +340+10.6% | Added |
| Brevan Howard Capital Management LP | 3,486 | $586.4K | 0.01% | −12,533−78.2% | Reduced |
| Securian Asset Management, Inc | 3,433 | $577.5K | 0.02% | 00.0% | Unchanged |
| Oxford Financial Group Ltd | 3,430 | $577.0K | 0.03% | 00.0% | Unchanged |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 3,416 | $574.6K | 0.02% | +436+14.6% | Added |
| Exchange Traded Concepts, LLC | 3,338 | $561.5K | 0.01% | −201−5.7% | Reduced |
| Wellington Management Group LLP | 3,266 | $549.4K | 0.00% | +1,969+151.8% | Added |
| Assenagon Asset Management S.A. | 3,025 | $508.9K | 0.00% | −1,354−30.9% | Reduced |
| Crossmark Global Holdings, Inc. | 2,958 | $497.6K | 0.01% | −215−6.8% | Reduced |
| EntryPoint Capital, LLC | 2,834 | $476.7K | 0.24% | −2,534−47.2% | Reduced |
| Malaga Cove Capital, LLC | 2,826 | $475.4K | 0.19% | −80−2.8% | Reduced |
| M&T Bank Corp | 2,759 | $464.2K | 0.00% | +575+26.3% | Added |
| 180 Wealth Advisors, LLC | 2,714 | $456.5K | 0.06% | −43−1.6% | Reduced |
| Buckhead Capital Management LLC | 2,650 | $445.8K | 0.17% | 00.0% | Unchanged |
| Alamea Verwaltungs GmbH | 2,566 | $431.7K | 0.32% | +603+30.7% | Added |
| Wesleyan Assurance Society | 2,550 | $429.0K | 0.03% | 00.0% | Unchanged |
| KCM Investment Advisors LLC | 2,515 | $423.1K | 0.01% | 00.0% | Unchanged |
| Utah Retirement Systems | 2,382 | $400.7K | 0.00% | +82+3.6% | Added |
| Wealth Enhancement Advisory Services, LLC | 2,368 | $396.8K | 0.00% | −34−1.4% | Reduced |
| Coldstream Capital Management Inc | 2,277 | $383.0K | 0.01% | +4+0.2% | Added |
| Inscription Capital, LLC | 2,274 | $382.5K | 0.06% | +2,274 | New |
| New Age Alpha Advisors, LLC | 2,210 | $371.8K | 0.02% | −60−2.6% | Reduced |
| Syon Capital LLC | 2,197 | $369.6K | 0.02% | +2,197 | New |
| Hardy Reed LLC | 2,175 | $365.9K | 0.03% | +3+0.1% | Added |
| BancorpSouth Bank | 2,172 | $365.4K | 0.02% | 00.0% | Unchanged |
| Empowered Funds, LLC | 2,117 | $356.1K | 0.00% | −747−26.1% | Reduced |
| Occudo Quantitative Strategies LP | 2,115 | $355.8K | 0.04% | +2,115 | New |
| Northwest & Ethical Investments L.P. | 2,100 | $353.2K | 0.01% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 2,028 | $341.1K | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 1,995 | $335.6K | 0.00% | +101+5.3% | Added |
| Atria Investments LLC | 1,928 | $324.3K | 0.00% | −189−8.9% | Reduced |
| Jane Street Group, LLC | 1,872 | $314.9K | 0.00% | −178−8.7% | Reduced |
| North Star Asset Management Inc | 1,860 | $312.9K | 0.01% | −50−2.6% | Reduced |
| RSM US Wealth Management LLC | 1,835 | $308.7K | 0.00% | +402+28.1% | Added |
| Vident Advisory, LLC | 1,749 | $294.2K | 0.00% | −1,049−37.5% | Reduced |
| O'Shaughnessy Asset Management, LLC | 1,749 | $294.2K | 0.00% | +114+7.0% | Added |
| Oppenheimer Asset Management Inc. | 1,733 | $291.5K | 0.00% | −1,583−47.7% | Reduced |
| Prelude Capital Management, LLC | 1,720 | $289.3K | 0.03% | −3,939−69.6% | Reduced |
| Janney Montgomery Scott LLC | 1,681 | $283.0K | 0.00% | −81−4.6% | Reduced |
| CIBC Asset Management Inc | 1,669 | $280.8K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 1,647 | $277.1K | 0.04% | +167+11.3% | Added |
| Bridgewater Associates, LP | 1,645 | $276.7K | 0.00% | −473−22.3% | Reduced |
| M&G Plc | 1,623 | $272.7K | 0.00% | +13+0.8% | Added |
| Mission Wealth Management, LP | 1,606 | $270.2K | 0.01% | +1+0.1% | Added |
| Shelton Capital Management | 1,592 | $267.8K | 0.01% | −52−3.2% | Reduced |
| MML Investors Services, LLC | 1,569 | $264.0K | 0.00% | −626−28.5% | Reduced |
| Assetmark, Inc | 1,539 | $258.9K | 0.00% | +73+5.0% | Added |
| Qsemble Capital Management, LP | 1,525 | $256.5K | 0.02% | +1,525 | New |
| Tower Research Capital LLC (TRC) | 1,516 | $255.0K | 0.01% | +166+12.3% | Added |
| Corient IA LLC | 1,500 | $252.3K | 0.15% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 1,472 | $247.7K | 0.00% | +1,472 | New |
| Fifth Third Wealth Advisors LLC | 1,465 | $246.4K | 0.01% | +5+0.3% | Added |
| apricus wealth, LLC | 1,462 | $245.9K | 0.14% | 00.0% | Unchanged |
| Andina Capital Management, LLC | 1,420 | $238.9K | 0.17% | +1,420 | New |
| Kera Capital Partners, Inc. | 1,380 | $232.1K | 0.05% | +1,380 | New |
| Keel Point, LLC | 1,336 | $224.7K | 0.01% | −29−2.1% | Reduced |
| Pitcairn Co | 1,320 | $222.1K | 0.01% | −305−18.8% | Reduced |
| Zacks Investment Management | 1,290 | $216.9K | 0.00% | −26,517−95.4% | Reduced |
| Vontobel Holding Ltd. | 1,282 | $215.7K | 0.00% | −111−8.0% | Reduced |
| Forum Financial Management, LP | 1,266 | $213.0K | 0.00% | −50−3.8% | Reduced |
| KBC Group NV | 1,258 | $212.0K | 0.00% | −847−40.2% | Reduced |
| Ballentine Partners, LLC | 1,255 | $211.1K | 0.00% | +19+1.5% | Added |
| Custom Index Systems, LLC | 1,246 | $209.6K | 0.10% | +16+1.3% | Added |
| Greenleaf Trust | 1,217 | $204.7K | 0.00% | −97−7.4% | Reduced |
| Swiss Life Asset Management Ltd | 1,215 | $204.4K | 0.00% | +1,215 | New |
| Knollwood Investment Advisory, LLC | 1,200 | $201.9K | 0.02% | +1,200 | New |
| HB Wealth Management, LLC | 1,193 | $200.7K | 0.00% | −77−6.1% | Reduced |
| Whittier Trust Co | 1,134 | $190.8K | 0.00% | −23−2.0% | Reduced |
| United Community Bank | 946 | $159.1K | 0.05% | +5+0.5% | Added |
| CWM, LLC | 931 | $157.0K | 0.00% | −219−19.0% | Reduced |
| Advisor Group Holdings, Inc. | 813 | $136.8K | 0.00% | −141−14.8% | Reduced |
| GAMMA Investing LLC | 708 | $119.1K | 0.01% | −30−4.1% | Reduced |
| Ci Investments Inc. | 701 | $118.0K | 0.00% | −30−4.1% | Reduced |
| Harbor Investment Advisory, LLC | 600 | $100.9K | 0.01% | −370−38.1% | Reduced |
| C M Bidwell & Associates Ltd | 597 | $100.4K | 0.05% | 00.0% | Unchanged |
| Fifth Third Bancorp | 584 | $98.2K | 0.00% | −64−9.9% | Reduced |
| Quantbot Technologies LP | 509 | $85.6K | 0.00% | +509 | New |
| Umb Bank N A | 413 | $69.5K | 0.00% | −34−7.6% | Reduced |
| Danske Bank A/S | 400 | $67.3K | 0.00% | +400 | New |
| Clearstead Advisors, LLC | 397 | $66.8K | 0.00% | +397 | New |
| Allworth Financial LP | 387 | $65.1K | 0.00% | +163+72.8% | Added |
| Signaturefd, LLC | 384 | $64.6K | 0.00% | −34−8.1% | Reduced |
| NBC Securities, Inc. | 368 | $61.0K | 0.00% | 00.0% | Unchanged |
| DHJJ Financial Advisors, Ltd. | 360 | $60.6K | 0.02% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 354 | $59.5K | 0.00% | +19+5.7% | Added |
| Ronald Blue Trust, Inc. | 340 | $57.2K | 0.00% | +34+11.1% | Added |
| Parallel Advisors, LLC | 297 | $50.0K | 0.00% | −100−25.2% | Reduced |
| SBI Securities Co., Ltd. | 274 | $46.1K | 0.00% | −5−1.8% | Reduced |
| IFP Advisors, Inc | 0 | $44.2K | 0.00% | −4−100.0% | Reduced |
| Massmutual Trust Co FSB | 263 | $44.2K | 0.00% | +22+9.1% | Added |
| Hilltop National Bank | 218 | $36.7K | 0.01% | +218 | New |
| Farther Finance Advisors, LLC | 205 | $34.5K | 0.00% | −1−0.5% | Reduced |
| MAI Capital Management | 202 | $34.0K | 0.00% | +129+176.7% | Added |