MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

Westmount Partners, LLC's Holding History (CIK: 0002051491)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 24,232 Value ($000) $3,152 Avg Close $143.19 Range $129.77 - $157.72
Q3 2025
Shares 25,866 Value ($000) $3,687 Avg Close $151.39 Range $135.34 - $172.55
Q2 2025
Shares 25,866 Value ($000) $4,351 Avg Close $159.72 Range $133.70 - $174.50
Q1 2025
Shares 25,991 Value ($000) $4,330 Avg Close $173.51 Range $159.29 - $194.88
Q4 2024
Shares 25,991 Value ($000) $4,296 Avg Close $157.91 Range $131.60 - $180.97
Q3 2024
Shares 25,991 Value ($000) $3,465 Avg Close $116.03 Range $101.61 - $135.78
Q2 2024
Shares 25,991 Value ($000) $3,025 Avg Close $131.69 Range $112.85 - $147.89
Q1 2024
Shares 26,424 Value ($000) $3,880 Avg Close $129.12 Range $107.57 - $153.93
Q4 2023
Shares 26,424 Value ($000) $3,097 Avg Close $93.21 Range $75.22 - $122.60
Q3 2023
Shares 26,424 Value ($000) $2,317 Avg Close $116.39 Range $83.03 - $164.16
Q2 2023
Shares 26,424 Value ($000) $4,348 Avg Close $174.09 Range $153.35 - $198.00
Q1 2023
Shares 26,424 Value ($000) $4,876 Avg Close $168.70 Range $144.51 - $184.97
Q4 2022
Shares 26,703 Value ($000) $3,951 Avg Close $137.60 Range $108.89 - $150.87