MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q4 2025
Shares 26,610 Value ($000) $3 Avg Close $143.19 Range $129.77 - $157.72
Q3 2025
Shares 27,120 Value ($000) $4 Avg Close $151.39 Range $135.34 - $172.55
Q2 2025
Shares 26,120 Value ($000) $4 Avg Close $159.72 Range $133.70 - $174.50
Q1 2025
Shares 26,612 Value ($000) $4 Avg Close $173.51 Range $159.29 - $194.88
Q4 2024
Shares 37,560 Value ($000) $6 Avg Close $157.91 Range $131.60 - $180.97
Q3 2024
Shares 37,560 Value ($000) $5 Avg Close $116.03 Range $101.61 - $135.78
Q2 2024
Shares 27,414 Value ($000) $3 Avg Close $131.69 Range $112.85 - $147.89
Q1 2024
Shares 25,446 Value ($000) $4 Avg Close $129.12 Range $107.57 - $153.93
Q4 2023
Shares 32,570 Value ($000) $4 Avg Close $93.21 Range $75.22 - $122.60
Q3 2023
Shares 32,519 Value ($000) $3 Avg Close $116.39 Range $83.03 - $164.16
Q2 2023
Shares 33,745 Value ($000) $6 Avg Close $174.09 Range $153.35 - $198.00
Q1 2023
Shares 42,566 Value ($000) $8 Avg Close $168.70 Range $144.51 - $184.97
Q4 2022
Shares 52,489 Value ($000) $8 Avg Close $137.60 Range $108.89 - $150.87
Q3 2022
Shares 48,945 Value ($000) $6,904 Avg Close $146.09 Range $122.68 - $172.74
Q2 2022
Shares 51,362 Value ($000) $6,714 Avg Close $133.79 Range $112.07 - $154.51
Q1 2022
Shares 59,540 Value ($000) $9,049 Avg Close $192.01 Range $133.94 - $291.15
Q4 2021
Shares 47,997 Value ($000) $14,015 Avg Close $284.79 Range $262.52 - $305.21
Q3 2021
Shares 46,947 Value ($000) $12,792 Avg Close $271.15 Range $241.42 - $288.27
Q2 2021
Shares 46,777 Value ($000) $11,328 Avg Close $228.17 Range $205.10 - $250.49
Q1 2021
Shares 52,751 Value ($000) $12,057 Avg Close $251.21 Range $217.65 - $284.86
Q4 2020
Shares 62,145 Value ($000) $16,659 Avg Close $249.38 Range $218.23 - $273.33
Q3 2020
Shares 55,825 Value ($000) $13,183 Avg Close $224.17 Range $203.81 - $248.88
Q2 2020
Shares 45,241 Value ($000) $10,293 Avg Close $219.47 Range $173.15 - $258.00
Q1 2020
Shares 39,374 Value ($000) $6,984 Avg Close $171.51 Range $143.90 - $187.85
Q4 2019
Shares 40,759 Value ($000) $6,389 Avg Close $150.33 Range $140.16 - $160.06
Q3 2019
Shares 42,073 Value ($000) $6,269 Avg Close $151.90 Range $139.36 - $160.25
Q2 2019
Shares 37,467 Value ($000) $5,573 Avg Close $137.22 Range $118.93 - $148.93
Q1 2019
Shares 38,177 Value ($000) $5,272 Avg Close $125.54 Range $101.87 - $139.48
Q4 2018
Shares 39,030 Value ($000) $3,964 Avg Close $111.51 Range $98.23 - $126.89
Q3 2018
Shares 26,966 Value ($000) $3,358 Avg Close $110.93 Range $96.14 - $124.74
Q2 2018
Shares 27,559 Value ($000) $2,691 Avg Close $95.08 Range $83.16 - $102.32
Q1 2018
Shares 28,089 Value ($000) $2,472 Avg Close $87.17 Range $80.69 - $96.45
Q4 2017
Shares 28,089 Value ($000) $2,381 Avg Close $86.74 Range $84.05 - $91.04
Q3 2017
Shares 28,031 Value ($000) $2,379 Avg Close $88.42 Range $81.01 - $100.00
Q2 2017
Shares 26,913 Value ($000) $2,452 Avg Close $91.81 Range $82.71 - $104.71
Q1 2017
Shares 26,825 Value ($000) $2,499 Avg Close $82.32 Range $66.79 - $96.68
Q4 2016
Shares 58,460 Value ($000) $3,941 Avg Close $61.46 Range $53.78 - $68.88
Q3 2016
Shares 59,144 Value ($000) $3,516 Avg Close $56.42 Range $51.10 - $60.52
Q2 2016
Shares 57,803 Value ($000) $3,035 Avg Close $47.10 Range $41.19 - $53.55
Q1 2016
Shares 4,828 Value ($000) $202 Avg Close $37.61 Range $33.03 - $41.93
Q4 2015
Shares 4,828 Value ($000) $200 Avg Close $40.86 Range $37.40 - $43.76
Q3 2015
Shares 4,828 Value ($000) $187 Avg Close $40.86 Range $35.33 - $46.00
Q2 2015
Shares 4,828 Value ($000) $187 Avg Close $35.83 Range $32.33 - $39.91
Q1 2015
Shares 4,828 Value ($000) $159 Avg Close $28.75 Range $25.12 - $33.16
Q4 2014
Shares 2,604 Value ($000) $68 Avg Close $24.68 Range $21.03 - $27.15
Q3 2014
Shares 2,604 Value ($000) $56 Avg Close $22.83 Range $19.30 - $24.75
Q2 2014
Shares 2,604 Value ($000) $61 Avg Close $24.80 Range $21.45 - $28.78
Q1 2014
Shares 2,604 Value ($000) $71 Avg Close $28.52 Range $25.08 - $32.20
Q4 2013
Shares 2,604 Value ($000) $77 Avg Close $27.99 Range $25.42 - $29.66