OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

Mawer Investment Management Ltd.'s Holding History (CIK: 0001538449)

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

Q4 2025

Shares 803,602 Value ($000) $204,967 Avg Close $261.19 Range $231.66 - $292.34

Q3 2025

Shares 856,383 Value ($000) $213,445 Avg Close $228.27 Range $204.00 - $249.79

Q2 2025

Shares 512,656 Value ($000) $115,276 Avg Close $213.44 Range $164.08 - $241.64

Q1 2025

Shares 461,022 Value ($000) $89,595 Avg Close $190.49 Range $150.84 - $220.00

Q4 2024

Shares 377,298 Value ($000) $63,171 Avg Close $158.52 Range $129.84 - $189.13

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	803,602	$204,967	$261.19	$231.66 - $292.34
Q3 2025	856,383	$213,445	$228.27	$204.00 - $249.79
Q2 2025	512,656	$115,276	$213.44	$164.08 - $241.64
Q1 2025	461,022	$89,595	$190.49	$150.84 - $220.00
Q4 2024	377,298	$63,171	$158.52	$129.84 - $189.13