# MASIMO CORP (MASI)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/MASI/

- Reporting holders: 4
- Reported value: $2.4M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Louisiana State Employees Retirement System](https://holderbook.com/funds/1537191-louisiana-state-employees-retirement-system/) | $2.3M | 13,200 | 0.0% | 31 |
| [IFP Advisors, Inc](https://holderbook.com/funds/1641866-ifp-advisors-inc/) | $15.8K | 88 | 0.0% | 11 |
| [HUNTINGTON NATIONAL BANK](https://holderbook.com/funds/49205-huntington-national-bank/) | $360 | 2 | 0.0% | 15 |
| [MV CAPITAL MANAGEMENT, INC.](https://holderbook.com/funds/1633366-mv-capital-management-inc/) | $356 | 2 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 4 | $2.4M |
| Q1 2026 | 454 | $10.0B |
| Q4 2025 | 392 | $7.3B |
| Q3 2025 | 360 | $8.3B |
| Q2 2025 | 377 | $9.7B |
| Q1 2025 | 391 | $9.0B |
| Q4 2024 | 366 | $8.5B |
| Q3 2024 | 365 | $6.9B |
| Q2 2024 | 356 | $6.3B |
| Q1 2024 | 346 | $7.9B |
| Q4 2023 | 347 | $6.2B |
| Q3 2023 | 357 | $4.5B |