MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

MUFG SECURITIES AMERICAS INC.'s Holding History (CIK: 0000867626)

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

Q4 2025

Shares 1,291 Value ($000) $1,170 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 1,292 Value ($000) $1,189 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 1,061 Value ($000) $776 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 847 Value ($000) $491 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 720 Value ($000) $426 Avg Close $716.72 Range $541.09 - $944.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,291	$1,170	$960.73	$831.77 - $1121.48
Q3 2025	1,292	$1,189	$808.07	$684.50 - $934.81
Q2 2025	1,061	$776	$633.58	$436.42 - $750.80
Q1 2025	847	$491	$624.99	$550.94 - $718.03
Q4 2024	720	$426	$716.72	$541.09 - $944.19