MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2024
Shares 75 Value ($000) $12 Avg Close $157.91 Range $131.60 - $180.97
Q4 2023
Shares 7,021 Value ($000) $823 Avg Close $93.21 Range $75.22 - $122.60
Q3 2023
Shares 3,640 Value ($000) $319 Avg Close $116.39 Range $83.03 - $164.16
Q2 2023
Shares 486 Value ($000) $80 Avg Close $174.09 Range $153.35 - $198.00
Q4 2021
Shares 300 Value ($000) $88 Avg Close $284.79 Range $262.52 - $305.21
Q3 2021
Shares 22,357 Value ($000) $6,052 Avg Close $271.15 Range $241.42 - $288.27
Q1 2021
Shares 329 Value ($000) $76 Avg Close $251.21 Range $217.65 - $284.86
Q3 2020
Shares 300 Value ($000) $71 Avg Close $224.17 Range $203.81 - $248.88
Q1 2020
Shares 2,900 Value ($000) $514 Avg Close $171.51 Range $143.90 - $187.85
Q2 2018
Shares 628 Value ($000) $61 Avg Close $95.08 Range $83.16 - $102.32
Q4 2017
Shares 646 Value ($000) $55 Avg Close $86.74 Range $84.05 - $91.04
Q3 2017
Shares 4,346 Value ($000) $376 Avg Close $88.42 Range $81.01 - $100.00
Q2 2017
Shares 5,189 Value ($000) $473 Avg Close $91.81 Range $82.71 - $104.71
Q3 2014
Shares 1,100 Value ($000) $23 Avg Close $22.83 Range $19.30 - $24.75
Q1 2014
Shares 1,041 Value ($000) $28 Avg Close $28.52 Range $25.08 - $32.20