Montanaro Asset Management Ltd

Holdings History for MASIMO CORP - COMMON STOCK (MASI)

Symbol: MASI on Nasdaq
Investment type: Equity / COMMON STOCK

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025		-0.48%	$0	0	-12,960	-100%	$135.04	Q4 2025
30 Sep 2025	0.48%	-0.36%	$1,912,248	12,960	-9,900	-43%	$147.55	Q3 2025
30 Jun 2025	0.99%	-0.41%	$3,845,509	22,860	-9,440	-29%	$168.22	Q2 2025
31 Mar 2025	1.6%	-0.69%	$5,381,180	32,300	-14,200		$166.60	Q1 2025
31 Dec 2024	1.6%	-0.31%	$7,686,450	46,500	-9,200	-17%	$165.30	Q4 2024
30 Sep 2024	1.3%	+0.05%	$7,426,481	55,700	+2,000	+3.7%	$133.33	Q3 2024
30 Jun 2024	1.3%	-1.3%	$6,762,978	53,700	-53,400	-50%	$125.94	Q2 2024
31 Mar 2024	2.8%	+0.08%	$15,727,635	107,100	+2,850	+2.7%	$146.85	Q1 2024
31 Dec 2023	2.3%	-0.84%	$12,219,143	104,250	-38,000	-27%	$117.21	Q4 2023
30 Sep 2023	2.2%	0%	$12,472,480	142,250	0		$87.68	Q3 2023
30 Jun 2023	3.7%	+0.22%	$23,407,238	142,250	+8,500	+6.4%	$164.55	Q2 2023
31 Mar 2023	3.8%	+0.43%	$24,682,225	133,750	+15,000	+13%	$184.54	Q1 2023
31 Dec 2022	2.9%	+0.05%	$17,569,063	118,750	+2,250	+1.9%	$147.95	Q4 2022
30 Sep 2022	2.5%	-0.56%	$16,445,000	116,500	-26,000	-18%	$141.16	Q3 2022
30 Jun 2022	2.8%	+0.25%	$18,620,000	142,500	+12,500	+9.6%	$130.67	Q2 2022
31 Mar 2022	2.3%	+0.14%	$18,948,000	130,000	+7,850	+6.4%	$145.75	Q1 2022
31 Dec 2021	3.6%	+0.57%	$35,763,000	122,150	+19,200	+19%	$292.78	Q4 2021
30 Sep 2021	3.4%	-0.01%	$27,870,000	102,950	-250	-0.24%	$270.71	Q3 2021
30 Jun 2021	3.1%	-0.04%	$25,021,000	103,200	-1,300	-1.2%	$242.45	Q2 2021
31 Mar 2021	3.5%	+0.96%	$23,999,000	104,500	+28,400	+37%	$229.66	Q1 2021
31 Dec 2020	3.4%	0%	$20,424,000	76,100	0		$268.38	Q4 2020

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.