MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

SCHRODER INVESTMENT MANAGEMENT GROUP's Holding History (CIK: 0001086619)

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

Q4 2025

Shares 475,504 Value ($000) $62,324 Avg Close $143.19 Range $129.77 - $157.72

Q3 2025

Shares 336,650 Value ($000) $48,121 Avg Close $151.39 Range $135.34 - $172.55

Q2 2025

Shares 448,501 Value ($000) $75,447 Avg Close $159.72 Range $133.70 - $174.50

Q1 2025

Shares 435,548 Value ($000) $71,234 Avg Close $173.51 Range $159.29 - $194.88

Q4 2024

Shares 566,469 Value ($000) $95,501 Avg Close $157.91 Range $131.60 - $180.97

Q3 2024

Shares 732,621 Value ($000) $97,585 Avg Close $116.03 Range $101.61 - $135.78

Q2 2024

Shares 528,623 Value ($000) $66,575 Avg Close $131.69 Range $112.85 - $147.89

Q1 2024

Shares 527,336 Value ($000) $77,439 Avg Close $129.12 Range $107.57 - $153.93

Q4 2023

Shares 877,539 Value ($000) $102,856 Avg Close $93.21 Range $75.22 - $122.60

Q3 2023

Shares 549,676 Value ($000) $48,196 Avg Close $116.39 Range $83.03 - $164.16

Q2 2023

Shares 643,055 Value ($000) $105,815 Avg Close $174.09 Range $153.35 - $198.00

Q1 2023

Shares 698,988 Value ($000) $128,991 Avg Close $168.70 Range $144.51 - $184.97

Q4 2022

Shares 577,277 Value ($000) $85,408 Avg Close $137.60 Range $108.89 - $150.87

Q3 2022

Shares 398,524 Value ($000) $56,255 Avg Close $146.09 Range $122.68 - $172.74

Q2 2022

Shares 342,137 Value ($000) $44,707 Avg Close $133.79 Range $112.07 - $154.51

Q1 2022

Shares 112,064 Value ($000) $17,415 Avg Close $192.01 Range $133.94 - $291.15

Q4 2021

Shares 207,066 Value ($000) $60,624 Avg Close $284.79 Range $262.52 - $305.21

Q3 2021

Shares 196,632 Value ($000) $53,230 Avg Close $271.15 Range $241.42 - $288.27

Q2 2021

Shares 290,441 Value ($000) $70,417 Avg Close $228.17 Range $205.10 - $250.49

Q1 2021

Shares 200,381 Value ($000) $46,020 Avg Close $251.21 Range $217.65 - $284.86

Q4 2020

Shares 198,851 Value ($000) $53,368 Avg Close $249.38 Range $218.23 - $273.33

Q3 2020

Shares 266,359 Value ($000) $62,395 Avg Close $224.17 Range $203.81 - $248.88

Q2 2020

Shares 275,977 Value ($000) $62,920 Avg Close $219.47 Range $173.15 - $258.00

Q1 2020

Shares 313,320 Value ($000) $58,005 Avg Close $171.51 Range $143.90 - $187.85

Q4 2019

Shares 469,520 Value ($000) $74,212 Avg Close $150.33 Range $140.16 - $160.06

Q3 2019

Shares 460,604 Value ($000) $67,529 Avg Close $151.90 Range $139.36 - $160.25

Q2 2019

Shares 535,813 Value ($000) $79,740 Avg Close $137.22 Range $118.93 - $148.93

Q1 2019

Shares 606,155 Value ($000) $83,819 Avg Close $125.54 Range $101.87 - $139.48

Q4 2018

Shares 506,298 Value ($000) $54,361 Avg Close $111.51 Range $98.23 - $126.89

Q3 2018

Shares 410,089 Value ($000) $51,073 Avg Close $110.93 Range $96.14 - $124.74

Q2 2018

Shares 446,876 Value ($000) $44,107 Avg Close $95.08 Range $83.16 - $102.32

Q1 2018

Shares 451,266 Value ($000) $39,689 Avg Close $87.17 Range $80.69 - $96.45

Q4 2017

Shares 468,020 Value ($000) $39,687 Avg Close $86.74 Range $84.05 - $91.04

Q3 2017

Shares 338,115 Value ($000) $28,709 Avg Close $88.42 Range $81.01 - $100.00

Q2 2017

Shares 289,815 Value ($000) $26,460 Avg Close $91.81 Range $82.71 - $104.71

Q1 2017

Shares 341,447 Value ($000) $32,001 Avg Close $82.32 Range $66.79 - $96.68

Q4 2016

Shares 425,519 Value ($000) $28,680 Avg Close $61.46 Range $53.78 - $68.88

Q3 2016

Shares 571,878 Value ($000) $34,021 Avg Close $56.42 Range $51.10 - $60.52

Q2 2016

Shares 632,693 Value ($000) $33,226 Avg Close $47.10 Range $41.19 - $53.55

Q1 2016

Shares 701,193 Value ($000) $28,609 Avg Close $37.61 Range $33.03 - $41.93

Q4 2015

Shares 742,493 Value ($000) $30,821 Avg Close $40.86 Range $37.40 - $43.76

Q3 2015

Shares 1,000,893 Value ($000) $38,594 Avg Close $40.86 Range $35.33 - $46.00

Q2 2015

Shares 1,006,254 Value ($000) $38,791 Avg Close $35.83 Range $32.33 - $39.91

Q1 2015

Shares 941,505 Value ($000) $29,978 Avg Close $28.75 Range $25.12 - $33.16

Q4 2014

Shares 928,505 Value ($000) $24,457 Avg Close $24.68 Range $21.03 - $27.15

Q3 2014

Shares 807,405 Value ($000) $17,181,579 Avg Close $22.83 Range $19.30 - $24.75

Q2 2014

Shares 830,905 Value ($000) $19,609,358 Avg Close $24.80 Range $21.45 - $28.78

Q1 2014

Shares 737,505 Value ($000) $20,141,262 Avg Close $28.52 Range $25.08 - $32.20

Q4 2013

Shares 990,605 Value ($000) $28,955,384 Avg Close $27.99 Range $25.42 - $29.66

Q3 2013

Shares 831,105 Value ($000) $22,140,637 Avg Close $24.65 Range $21.21 - $27.17

Q2 2013

Shares 811,305 Value ($000) $17,199,666 Avg Close $21.04 Range $19.03 - $22.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	475,504	$62,324	$143.19	$129.77 - $157.72
Q3 2025	336,650	$48,121	$151.39	$135.34 - $172.55
Q2 2025	448,501	$75,447	$159.72	$133.70 - $174.50
Q1 2025	435,548	$71,234	$173.51	$159.29 - $194.88
Q4 2024	566,469	$95,501	$157.91	$131.60 - $180.97
Q3 2024	732,621	$97,585	$116.03	$101.61 - $135.78
Q2 2024	528,623	$66,575	$131.69	$112.85 - $147.89
Q1 2024	527,336	$77,439	$129.12	$107.57 - $153.93
Q4 2023	877,539	$102,856	$93.21	$75.22 - $122.60
Q3 2023	549,676	$48,196	$116.39	$83.03 - $164.16
Q2 2023	643,055	$105,815	$174.09	$153.35 - $198.00
Q1 2023	698,988	$128,991	$168.70	$144.51 - $184.97
Q4 2022	577,277	$85,408	$137.60	$108.89 - $150.87
Q3 2022	398,524	$56,255	$146.09	$122.68 - $172.74
Q2 2022	342,137	$44,707	$133.79	$112.07 - $154.51
Q1 2022	112,064	$17,415	$192.01	$133.94 - $291.15
Q4 2021	207,066	$60,624	$284.79	$262.52 - $305.21
Q3 2021	196,632	$53,230	$271.15	$241.42 - $288.27
Q2 2021	290,441	$70,417	$228.17	$205.10 - $250.49
Q1 2021	200,381	$46,020	$251.21	$217.65 - $284.86
Q4 2020	198,851	$53,368	$249.38	$218.23 - $273.33
Q3 2020	266,359	$62,395	$224.17	$203.81 - $248.88
Q2 2020	275,977	$62,920	$219.47	$173.15 - $258.00
Q1 2020	313,320	$58,005	$171.51	$143.90 - $187.85
Q4 2019	469,520	$74,212	$150.33	$140.16 - $160.06
Q3 2019	460,604	$67,529	$151.90	$139.36 - $160.25
Q2 2019	535,813	$79,740	$137.22	$118.93 - $148.93
Q1 2019	606,155	$83,819	$125.54	$101.87 - $139.48
Q4 2018	506,298	$54,361	$111.51	$98.23 - $126.89
Q3 2018	410,089	$51,073	$110.93	$96.14 - $124.74
Q2 2018	446,876	$44,107	$95.08	$83.16 - $102.32
Q1 2018	451,266	$39,689	$87.17	$80.69 - $96.45
Q4 2017	468,020	$39,687	$86.74	$84.05 - $91.04
Q3 2017	338,115	$28,709	$88.42	$81.01 - $100.00
Q2 2017	289,815	$26,460	$91.81	$82.71 - $104.71
Q1 2017	341,447	$32,001	$82.32	$66.79 - $96.68
Q4 2016	425,519	$28,680	$61.46	$53.78 - $68.88
Q3 2016	571,878	$34,021	$56.42	$51.10 - $60.52
Q2 2016	632,693	$33,226	$47.10	$41.19 - $53.55
Q1 2016	701,193	$28,609	$37.61	$33.03 - $41.93
Q4 2015	742,493	$30,821	$40.86	$37.40 - $43.76
Q3 2015	1,000,893	$38,594	$40.86	$35.33 - $46.00
Q2 2015	1,006,254	$38,791	$35.83	$32.33 - $39.91
Q1 2015	941,505	$29,978	$28.75	$25.12 - $33.16
Q4 2014	928,505	$24,457	$24.68	$21.03 - $27.15
Q3 2014	807,405	$17,181,579	$22.83	$19.30 - $24.75
Q2 2014	830,905	$19,609,358	$24.80	$21.45 - $28.78
Q1 2014	737,505	$20,141,262	$28.52	$25.08 - $32.20
Q4 2013	990,605	$28,955,384	$27.99	$25.42 - $29.66
Q3 2013	831,105	$22,140,637	$24.65	$21.21 - $27.17
Q2 2013	811,305	$17,199,666	$21.04	$19.03 - $22.70