MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

Riggs Asset Managment Co. Inc.'s Holding History (CIK: 0001601348)

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

Q2 2025

Shares 15 Value ($000) $11 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 2 Value ($000) $1 Avg Close $624.99 Range $550.94 - $718.03

Q3 2024

Shares 2 Value ($000) $2 Avg Close $853.35 Range $721.11 - $948.49

Q1 2024

Shares 2 Value ($000) $1 Avg Close $657.62 Range $552.66 - $766.48

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	15	$11	$633.58	$436.42 - $750.80
Q1 2025	2	$1	$624.99	$550.94 - $718.03
Q3 2024	2	$2	$853.35	$721.11 - $948.49
Q1 2024	2	$1	$657.62	$552.66 - $766.48