MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q4 2025
Shares 83,000 Value ($000) $10,795 Avg Close $143.19 Range $129.77 - $157.72
Q3 2025
Shares 83,800 Value ($000) $12,365 Avg Close $151.39 Range $135.34 - $172.55
Q2 2025
Shares 84,500 Value ($000) $14,215 Avg Close $159.72 Range $133.70 - $174.50
Q1 2025
Shares 84,500 Value ($000) $14,078 Avg Close $173.51 Range $159.29 - $194.88
Q4 2024
Shares 84,500 Value ($000) $13,968 Avg Close $157.91 Range $131.60 - $180.97
Q3 2024
Shares 84,500 Value ($000) $11,266 Avg Close $116.03 Range $101.61 - $135.78
Q2 2024
Shares 84,500 Value ($000) $10,642 Avg Close $131.69 Range $112.85 - $147.89
Q1 2024
Shares 84,500 Value ($000) $12,409 Avg Close $129.12 Range $107.57 - $153.93
Q4 2023
Shares 84,500 Value ($000) $9,904 Avg Close $93.21 Range $75.22 - $122.60
Q3 2023
Shares 84,500 Value ($000) $7,409 Avg Close $116.39 Range $83.03 - $164.16
Q2 2023
Shares 84,500 Value ($000) $13,904 Avg Close $174.09 Range $153.35 - $198.00
Q1 2023
Shares 85,000 Value ($000) $15,686 Avg Close $168.70 Range $144.51 - $184.97
Q4 2022
Shares 85,000 Value ($000) $12,576 Avg Close $137.60 Range $108.89 - $150.87
Q3 2022
Shares 85,000 Value ($000) $11,999 Avg Close $146.09 Range $122.68 - $172.74
Q2 2022
Shares 85,000 Value ($000) $11,107 Avg Close $133.79 Range $112.07 - $154.51
Q1 2022
Shares 85,000 Value ($000) $12,371 Avg Close $192.01 Range $133.94 - $291.15
Q4 2021
Shares 87,500 Value ($000) $25,618 Avg Close $284.79 Range $262.52 - $305.21
Q3 2021
Shares 88,500 Value ($000) $23,958 Avg Close $271.15 Range $241.42 - $288.27
Q2 2021
Shares 89,500 Value ($000) $21,699 Avg Close $228.17 Range $205.10 - $250.49
Q1 2021
Shares 90,000 Value ($000) $20,669 Avg Close $251.21 Range $217.65 - $284.86
Q4 2020
Shares 92,000 Value ($000) $24,691 Avg Close $249.38 Range $218.23 - $273.33
Q3 2020
Shares 94,000 Value ($000) $22,190 Avg Close $224.17 Range $203.81 - $248.88
Q2 2020
Shares 95,000 Value ($000) $21,659 Avg Close $219.47 Range $173.15 - $258.00
Q1 2020
Shares 99,000 Value ($000) $17,535 Avg Close $171.51 Range $143.90 - $187.85
Q4 2019
Shares 102,000 Value ($000) $16,122 Avg Close $150.33 Range $140.16 - $160.06
Q3 2019
Shares 103,500 Value ($000) $15,400 Avg Close $151.90 Range $139.36 - $160.25
Q2 2019
Shares 108,000 Value ($000) $16,073 Avg Close $137.22 Range $118.93 - $148.93
Q1 2019
Shares 108,000 Value ($000) $14,934 Avg Close $125.54 Range $101.87 - $139.48
Q4 2018
Shares 109,000 Value ($000) $11,703 Avg Close $111.51 Range $98.23 - $126.89
Q3 2018
Shares 112,000 Value ($000) $13,948 Avg Close $110.93 Range $96.14 - $124.74
Q2 2018
Shares 118,000 Value ($000) $11,523 Avg Close $95.08 Range $83.16 - $102.32
Q1 2018
Shares 122,000 Value ($000) $10,730 Avg Close $87.17 Range $80.69 - $96.45
Q4 2017
Shares 122,500 Value ($000) $10,388 Avg Close $86.74 Range $84.05 - $91.04
Q3 2017
Shares 125,000 Value ($000) $10,820 Avg Close $88.42 Range $81.01 - $100.00
Q2 2017
Shares 130,000 Value ($000) $11,853 Avg Close $91.81 Range $82.71 - $104.71
Q1 2017
Shares 130,000 Value ($000) $12,124 Avg Close $82.32 Range $66.79 - $96.68
Q4 2016
Shares 130,000 Value ($000) $8,762 Avg Close $61.46 Range $53.78 - $68.88
Q3 2016
Shares 130,200 Value ($000) $7,746 Avg Close $56.42 Range $51.10 - $60.52
Q2 2016
Shares 130,200 Value ($000) $6,837 Avg Close $47.10 Range $41.19 - $53.55
Q1 2016
Shares 131,400 Value ($000) $5,498 Avg Close $37.61 Range $33.03 - $41.93
Q4 2015
Shares 132,000 Value ($000) $5,479 Avg Close $40.86 Range $37.40 - $43.76
Q3 2015
Shares 134,000 Value ($000) $5,167 Avg Close $40.86 Range $35.33 - $46.00
Q2 2015
Shares 134,000 Value ($000) $5,191 Avg Close $35.83 Range $32.33 - $39.91
Q1 2015
Shares 134,000 Value ($000) $4,419 Avg Close $28.75 Range $25.12 - $33.16
Q4 2014
Shares 134,000 Value ($000) $3,530 Avg Close $24.68 Range $21.03 - $27.15
Q3 2014
Shares 125,000 Value ($000) $2,660 Avg Close $22.83 Range $19.30 - $24.75
Q2 2014
Shares 122,000 Value ($000) $2,879 Avg Close $24.80 Range $21.45 - $28.78
Q1 2014
Shares 90,000 Value ($000) $2,458 Avg Close $28.52 Range $25.08 - $32.20
Q4 2013
Shares 34,000 Value ($000) $994 Avg Close $27.99 Range $25.42 - $29.66