MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q4 2025

Shares 5,455 Value ($000) $709 Avg Close $143.19 Range $129.77 - $157.72

Q1 2022

Shares 7,866 Value ($000) $1,145 Avg Close $192.01 Range $133.94 - $291.15

Q4 2021

Shares 1,390 Value ($000) $407 Avg Close $284.79 Range $262.52 - $305.21

Q1 2021

Shares 9,772 Value ($000) $2,244 Avg Close $251.21 Range $217.65 - $284.86

Q2 2020

Shares 1,122 Value ($000) $256 Avg Close $219.47 Range $173.15 - $258.00

Q2 2017

Shares 3,487 Value ($000) $318 Avg Close $91.81 Range $82.71 - $104.71

Q4 2015

Shares 5,114 Value ($000) $212 Avg Close $40.86 Range $37.40 - $43.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,455	$709	$143.19	$129.77 - $157.72
Q1 2022	7,866	$1,145	$192.01	$133.94 - $291.15
Q4 2021	1,390	$407	$284.79	$262.52 - $305.21
Q1 2021	9,772	$2,244	$251.21	$217.65 - $284.86
Q2 2020	1,122	$256	$219.47	$173.15 - $258.00
Q2 2017	3,487	$318	$91.81	$82.71 - $104.71
Q4 2015	5,114	$212	$40.86	$37.40 - $43.76