MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

Ballentine Partners, LLC's Holding History (CIK: 0001374889)

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

Q4 2025

Shares 567 Value ($000) $514 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 555 Value ($000) $511 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 531 Value ($000) $388 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 381 Value ($000) $221 Avg Close $624.99 Range $550.94 - $718.03

Q3 2024

Shares 326 Value ($000) $301 Avg Close $853.35 Range $721.11 - $948.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	567	$514	$960.73	$831.77 - $1121.48
Q3 2025	555	$511	$808.07	$684.50 - $934.81
Q2 2025	531	$388	$633.58	$436.42 - $750.80
Q1 2025	381	$221	$624.99	$550.94 - $718.03
Q3 2024	326	$301	$853.35	$721.11 - $948.49