MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2025
Shares 1,202 Value ($000) $156 Avg Close $143.19 Range $129.77 - $157.72
Q3 2025
Shares 1,534 Value ($000) $226 Avg Close $151.39 Range $135.34 - $172.55
Q2 2025
Shares 1,516 Value ($000) $255 Avg Close $159.72 Range $133.70 - $174.50
Q1 2025
Shares 1,350 Value ($000) $225 Avg Close $173.51 Range $159.29 - $194.88
Q4 2024
Shares 2,588 Value ($000) $428 Avg Close $157.91 Range $131.60 - $180.97
Q3 2024
Shares 1,073 Value ($000) $143 Avg Close $116.03 Range $101.61 - $135.78
Q2 2024
Shares 14,768 Value ($000) $1,860 Avg Close $131.69 Range $112.85 - $147.89
Q1 2024
Shares 970 Value ($000) $142 Avg Close $129.12 Range $107.57 - $153.93
Q4 2023
Shares 3,707 Value ($000) $434 Avg Close $93.21 Range $75.22 - $122.60
Q3 2023
Shares 6,361 Value ($000) $558 Avg Close $116.39 Range $83.03 - $164.16
Q2 2023
Shares 6,342 Value ($000) $1,044 Avg Close $174.09 Range $153.35 - $198.00
Q1 2023
Shares 2,180 Value ($000) $0 Avg Close $168.70 Range $144.51 - $184.97
Q4 2022
Shares 1,782 Value ($000) $0 Avg Close $137.60 Range $108.89 - $150.87
Q3 2022
Shares 1,767 Value ($000) $250 Avg Close $146.09 Range $122.68 - $172.74
Q2 2022
Shares 10,988 Value ($000) $1,436 Avg Close $133.79 Range $112.07 - $154.51
Q1 2022
Shares 6,586 Value ($000) $959 Avg Close $192.01 Range $133.94 - $291.15
Q4 2021
Shares 3,999 Value ($000) $1,171 Avg Close $284.79 Range $262.52 - $305.21
Q3 2021
Shares 5,278 Value ($000) $1,429 Avg Close $271.15 Range $241.42 - $288.27
Q2 2021
Shares 10,867 Value ($000) $2,635 Avg Close $228.17 Range $205.10 - $250.49
Q1 2021
Shares 6,995 Value ($000) $1,606 Avg Close $251.21 Range $217.65 - $284.86
Q4 2020
Shares 15,641 Value ($000) $4,198 Avg Close $249.38 Range $218.23 - $273.33
Q3 2020
Shares 15,451 Value ($000) $3,647 Avg Close $224.17 Range $203.81 - $248.88
Q2 2020
Shares 28,200 Value ($000) $6,429 Avg Close $219.47 Range $173.15 - $258.00
Q4 2019
Shares 921 Value ($000) $146 Avg Close $150.33 Range $140.16 - $160.06
Q3 2019
Shares 722 Value ($000) $108 Avg Close $151.90 Range $139.36 - $160.25
Q2 2019
Shares 751 Value ($000) $112 Avg Close $137.22 Range $118.93 - $148.93
Q1 2019
Shares 1,241 Value ($000) $172 Avg Close $125.54 Range $101.87 - $139.48
Q4 2018
Shares 25 Value ($000) $3 Avg Close $111.51 Range $98.23 - $126.89
Q3 2018
Shares 3,111 Value ($000) $387 Avg Close $110.93 Range $96.14 - $124.74
Q2 2018
Shares 3,683 Value ($000) $360 Avg Close $95.08 Range $83.16 - $102.32
Q1 2018
Shares 1,678 Value ($000) $148 Avg Close $87.17 Range $80.69 - $96.45
Q4 2017
Shares 185 Value ($000) $15 Avg Close $86.74 Range $84.05 - $91.04
Q3 2017
Shares 3,804 Value ($000) $329 Avg Close $88.42 Range $81.01 - $100.00
Q4 2016
Shares 1,011 Value ($000) $68 Avg Close $61.46 Range $53.78 - $68.88
Q2 2016
Shares 2,204 Value ($000) $116 Avg Close $47.10 Range $41.19 - $53.55
Q2 2015
Shares 537 Value ($000) $21 Avg Close $35.83 Range $32.33 - $39.91
Q1 2015
Shares 2,107 Value ($000) $69 Avg Close $28.75 Range $25.12 - $33.16
Q4 2014
Shares 33 Value ($000) $1 Avg Close $24.68 Range $21.03 - $27.15
Q3 2014
Shares 2,370 Value ($000) $50 Avg Close $22.83 Range $19.30 - $24.75
Q2 2014
Shares 51 Value ($000) $1 Avg Close $24.80 Range $21.45 - $28.78
Q1 2014
Shares 161 Value ($000) $4 Avg Close $28.52 Range $25.08 - $32.20
Q4 2013
Shares 3,438 Value ($000) $100 Avg Close $27.99 Range $25.42 - $29.66
Q3 2013
Shares 5,851 Value ($000) $156 Avg Close $24.65 Range $21.21 - $27.17