Skip to main content

MASI - MASIMO CORP

This page shows which of the focused investors we track hold MASI and how their positions changed, so you can see how much conviction the group has in the stock.

In Q3 2025 it was held by 2 managers with an aggregate reported value of $249.96M, which is 0.02% of the combined portfolio.

As of Q3 2025, 2 tracked institutional managers held MASI (MASIMO CORP) with an aggregate reported value of $249.96M0.02% of the combined AlphaBaseline portfolio.

Get email alerts when a tracked manager trades MASI sign in or create a free account.

Source
Curated SEC 13F filings
Period
Q3 2025
Ticker
MASI

13F data is delayed and excludes shorts/non-13F assets.

Holders

1Viking Global Investors - Viking Global Investors0.41%Add +39.9%1,073,433$158.39M
2Henry Ellenbogen - Durable Capital Partners0.68%Reduce -46.7%620,619$91.57M
Loading holder history for MASI