MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q4 2025

Shares 336 Value ($000) $305 Avg Close $960.73 Range $831.77 - $1121.48

Q4 2024

Shares 993 Value ($000) $588 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 679 Value ($000) $628 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 943 Value ($000) $775 Avg Close $712.18 Range $577.26 - $845.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	336	$305	$960.73	$831.77 - $1121.48
Q4 2024	993	$588	$716.72	$541.09 - $944.19
Q3 2024	679	$628	$853.35	$721.11 - $948.49
Q2 2024	943	$775	$712.18	$577.26 - $845.04