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, Q4 2021
Institutional positions in Masimo Corp as of Dec 31, 2021. 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
- 520
- +53 vs. Q3 2021
- Shares held
- 46.4M
- +141.5K (+0.3%) vs. Q3 2021
- Total value
- $13.6B
- +$1.05B (+8.4%) vs. Q3 2021
- New holders
- 95
- 182 more added
- Sold out
- 42
- 156 more reduced
8 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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, Q4 2021
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| PEAK6 Investments LLC | 1,820 | $533.0K | 0.01% | −1,871−50.7% | Reduced |
| Vident Investment Advisory, LLC | 1,820 | $534.0K | 0.01% | +1,820 | New |
| Silvercrest Asset Management Group LLC | 1,833 | $537.0K | 0.00% | +175+10.6% | Added |
| FORA Capital, LLC | 1,848 | $541.0K | 0.21% | +217+13.3% | Added |
| Janney Capital Management LLC | 1,901 | $557.0K | 0.04% | +20+1.1% | Added |
| Sonen Capital LLC | 1,902 | $557.0K | 0.54% | +1,902 | New |
| Yorktown Management & Research Co Inc | 1,950 | $571.0K | 0.39% | 00.0% | Unchanged |
| Bessemer Group Inc | 1,990 | $582.0K | 0.00% | +970+95.1% | Added |
| Gotham Asset Management, LLC | 1,991 | $583.0K | 0.02% | +700+54.2% | Added |
| Independent Advisor Alliance | 2,054 | $602.0K | 0.03% | −20−1.0% | Reduced |
| KBC Group NV | 2,060 | $603.0K | 0.00% | −17,393−89.4% | Reduced |
| Panagora Asset Management Inc | 2,112 | $618.0K | 0.00% | −499−19.1% | Reduced |
| M&T Bank Corp | 2,127 | $624.0K | 0.00% | −40−1.8% | Reduced |
| Verition Fund Management LLC | 2,130 | $624.0K | 0.01% | +2,130 | New |
| Eqis Capital Management, Inc. | 2,141 | $627.0K | 0.05% | −245−10.3% | Reduced |
| Conestoga Capital Advisors, LLC | 2,140 | $627.0K | 0.01% | +835+64.0% | Added |
| BancorpSouth Bank | 2,172 | $636.0K | 0.08% | 00.0% | Unchanged |
| Symmetry Partners, LLC | 2,178 | $638.0K | 0.04% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 2,212 | $647.0K | 0.00% | +2,212 | New |
| Coldstream Capital Management Inc | 2,224 | $651.0K | 0.02% | +957+75.5% | Added |
| CIBC Asset Management Inc | 2,280 | $668.0K | 0.00% | +31+1.4% | Added |
| Intrust Bank NA | 2,307 | $675.0K | 0.08% | −158−6.4% | Reduced |
| STRS Ohio | 2,306 | $675.0K | 0.00% | −36−1.5% | Reduced |
| Raymond James Trust N.A. | 2,310 | $676.0K | 0.02% | −203−8.1% | Reduced |
| Paloma Partners Management Co | 2,330 | $682.0K | 0.02% | +2,330 | New |
| Fosun International Ltd | 2,400 | $703.0K | 0.04% | 00.0% | Unchanged |
| XTX Topco Ltd | 2,409 | $705.0K | 0.40% | +2,409 | New |
| Moneta Group Investment Advisors LLC | 2,411 | $706.0K | 0.03% | −42−1.7% | Reduced |
| KCM Investment Advisors LLC | 2,415 | $707.0K | 0.02% | −20−0.8% | Reduced |
| Shelton Capital Management | 2,684 | $786.0K | 0.03% | −174−6.1% | Reduced |
| Guardian Capital LP | 2,708 | $793.0K | 0.02% | −270−9.1% | Reduced |
| E. Ohman J:or Asset Management AB | 2,800 | $819.8K | 0.02% | +2,800 | New |
| CenterBook Partners LP | 2,800 | $820.0K | 0.48% | +2,800 | New |
| Commerce Bank | 2,889 | $846.0K | 0.01% | +26+0.9% | Added |
| Sigma Planning Corp | 2,905 | $851.0K | 0.02% | +528+22.2% | Added |
| Profund Advisors LLC | 2,947 | $863.0K | 0.03% | −152−4.9% | Reduced |
| DAFNA Capital Management LLC | 3,000 | $878.0K | 0.22% | 00.0% | Unchanged |
| Crown Advisors Management, Inc. | 3,000 | $878.0K | 0.57% | 00.0% | Unchanged |
| National Bank of Canada | 3,236 | $907.0K | 0.00% | +3,236 | New |
| Daiwa Securities Group Inc. | 3,158 | $925.0K | 0.01% | +545+20.9% | Added |
| Level Four Advisory Services, LLC | 3,202 | $937.0K | 0.07% | +2,081+185.6% | Added |
| Banque Cantonale Vaudoise | 3,236 | $948.0K | 0.04% | +2,236+223.6% | Added |
| Qtron Investments LLC | 3,241 | $949.0K | 0.21% | +775+31.4% | Added |
| SG Americas Securities, LLC | 3,293 | $964.0K | 0.01% | −3,148−48.9% | Reduced |
| Doliver Advisors, LP | 4,413 | $981.0K | 0.31% | −612−12.2% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 3,542 | $1.04M | 0.00% | +47+1.3% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 3,625 | $1.06M | 0.07% | +90+2.5% | Added |
| Oxford Financial Group Ltd | 3,642 | $1.07M | 0.12% | 00.0% | Unchanged |
| Quantbot Technologies LP | 3,648 | $1.07M | 0.09% | +3,648 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 3,654 | $1.07M | 0.02% | −23−0.6% | Reduced |
| Institutional & Family Asset Management, LLC | 3,650 | $1.07M | 0.17% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 3,652 | $1.07M | 0.39% | +3,652 | New |
| Congress Wealth Management LLC | 3,666 | $1.07M | 0.02% | +3,666 | New |
| Trexquant Investment LP | 3,724 | $1.09M | 0.07% | +3,724 | New |
| Maryland State Retirement & Pension System | 3,736 | $1.09M | 0.03% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 3,783 | $1.11M | 0.00% | −72−1.9% | Reduced |
| Oppenheimer & Co Inc | 3,781 | $1.11M | 0.02% | +1,994+111.6% | Added |
| Nordea Investment Management AB | 3,782 | $1.13M | 0.00% | +1,303+52.6% | Added |
| Westpac Banking Corp | 3,952 | $1.16M | 0.01% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 3,974 | $1.16M | 0.00% | +146+3.8% | Added |
| Tower Research Capital LLC (TRC) | 3,999 | $1.17M | 0.02% | −1,279−24.2% | Reduced |
| HighTower Advisors, LLC | 3,995 | $1.17M | 0.00% | −7,019−63.7% | Reduced |
| Diversified Trust Co | 4,171 | $1.22M | 0.04% | −475−10.2% | Reduced |
| Knowledge Leaders Capital, LLC | 4,185 | $1.23M | 0.90% | +405+10.7% | Added |
| US Bancorp | 4,263 | $1.25M | 0.00% | +51+1.2% | Added |
| Standard Life Aberdeen plc | 4,280 | $1.25M | 0.00% | +123+3.0% | Added |
| Altman Advisors, Inc. | 5,805 | $1.26M | 0.77% | +15+0.3% | Added |
| Securian Asset Management, Inc | 4,543 | $1.33M | 0.02% | 00.0% | Unchanged |
| Sciencast Management LP | 4,777 | $1.34M | 0.24% | +4,777 | New |
| Allianz Asset Management GmbH | 4,589 | $1.34M | 0.00% | −2,929−39.0% | Reduced |
| Robeco Institutional Asset Management B.V. | 4,619 | $1.35M | 0.00% | +1,961+73.8% | Added |
| Private Advisor Group, LLC | 4,738 | $1.39M | 0.01% | −246−4.9% | Reduced |
| Brewin Dolphin Ltd | 4,766 | $1.40M | 0.06% | −11,174−70.1% | Reduced |
| Crossmark Global Holdings, Inc. | 4,786 | $1.40M | 0.03% | −530−10.0% | Reduced |
| OPSEU Pension Plan Trust Fund | 5,021 | $1.43M | 0.33% | +66+1.3% | Added |
| Algert Global LLC | 4,990 | $1.46M | 0.18% | +4,990 | New |
| Seeyond | 5,236 | $1.53M | 0.14% | −4,947−48.6% | Reduced |
| Jane Street Group, LLC | 5,254 | $1.54M | 0.00% | +2,158+69.7% | Added |
| Seaport Global Advisors, LLC | 5,301 | $1.55M | 2.13% | +5,301 | New |
| Pitcairn Co | 5,478 | $1.60M | 0.10% | −118−2.1% | Reduced |
| Nissay Asset Management Corp | 5,513 | $1.61M | 0.01% | +11+0.2% | Added |
| MML Investors Services, LLC | 5,622 | $1.65M | 0.01% | +370+7.0% | Added |
| Brown Advisory Inc | 5,711 | $1.67M | 0.00% | +647+12.8% | Added |
| Acadian Asset Management LLC | 5,757 | $1.68M | 0.01% | +5,757 | New |
| Fiera Capital Corp | 5,819 | $1.70M | 0.00% | +2,093+56.2% | Added |
| ProShare Advisors LLC | 5,863 | $1.72M | 0.00% | +1,168+24.9% | Added |
| Janney Montgomery Scott LLC | 5,938 | $1.74M | 0.01% | +101+1.7% | Added |
| Truist Financial Corp | 5,955 | $1.74M | 0.00% | +237+4.1% | Added |
| American Portfolios Advisors | 6,103 | $1.79M | 0.06% | +338+5.9% | Added |
| Renaissance Technologies LLC | 6,200 | $1.81M | 0.00% | +6,200 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,425 | $1.88M | 0.01% | −2,966−31.6% | Reduced |
| Assetmark, Inc | 6,514 | $1.91M | 0.01% | +6,009+1,189.9% | Added |
| IFM Investors Pty Ltd | 6,636 | $1.94M | 0.04% | −138−2.0% | Reduced |
| Brown Advisory Securities, LLC | 6,825 | $2.00M | 0.85% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 7,312 | $2.10M | 0.01% | +1,130+18.3% | Added |
| Pacer Advisors, Inc. | 7,206 | $2.11M | 0.02% | +163+2.3% | Added |
| Brinker Capital Investments, LLC | 7,240 | $2.12M | 0.03% | −677−8.6% | Reduced |
| Congress Asset Management Co | 7,517 | $2.20M | 0.02% | +219+3.0% | Added |
| Public Employees Retirement Association of Colorado | 7,537 | $2.21M | 0.01% | 00.0% | Unchanged |
| Stifel Financial Corp | 7,711 | $2.26M | 0.00% | −442−5.4% | Reduced |