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 2022
Institutional positions in Masimo Corp as of Jun 30, 2022. 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
- 417
- −31 vs. Q1 2022
- Shares held
- 44.3M
- −816.3K (−1.8%) vs. Q1 2022
- Total value
- $5.81B
- −$759.6M (−11.6%) vs. Q1 2022
- New holders
- 56
- 147 more added
- Sold out
- 87
- 156 more reduced
9 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2022: 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 2022
Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CFS Investment Advisory Services, LLC | 0 | $0 | 0.00% | −82,521−100.0% | Sold out |
| Stonebridge Capital Advisors LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Horan Securities, Inc. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Cordant, Inc. | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Parametric Portfolio Associates LLC | – | – | – | – | Not filed |
| Susquehanna Fundamental Investments, LLC | – | – | – | – | Not filed |
| Amalgamated Financial Corp. | – | – | – | – | Not filed |
| NN Investment Partners Holdings N.V. | – | – | – | – | Not filed |
| Teachers Retirement System of the State of Kentucky | – | – | – | – | Not filed |
| Astrantus Ltd | – | – | – | – | Not filed |
| Holloway Wealth Management, LLC | – | – | – | – | Not filed |
| Dixon Hughes Goodman Wealth Advisors LLC | – | – | – | – | Not filed |
| SJS Investment Consulting Inc. | – | – | – | – | Not filed |