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.
Q4 2025 vs. Q3 2025
How the institutions holding Masimo Corp changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Of which not filed for Q4 2025 | Q4 2025 | Change |
|---|---|---|---|---|
| Holders | 358 | 3 | 392 | +37 |
| Shares | 56.2M | 8.75K | 55.4M | −842.2K (−1.5%) |
| Value | $8.29B | $1.29M | $7.20B | −$1.09B (−13.1%) |
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (86)
Institutions that held Masimo Corp at the end of Q4 2025 but not at the end of Q3 2025.
Sold out (49)
Institutions that held Masimo Corp at the end of Q3 2025 and filed for Q4 2025 without it.
Not filed for Q4 2025 yet (3)
Institutions that held Masimo Corp at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Wetherby Asset Management Inc | 4,603 | $679.2K |
| Bryce Point Capital, LLC | 4,135 | $610.1K |
| Hemington Wealth Management | 9 | $1.00K |