MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

Banco Santander, S.A.'s Holding History (CIK: 0000891478)

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

Q4 2025

Shares 2,852 Value ($000) $2,585 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 892 Value ($000) $821 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 1,143 Value ($000) $836 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 1,411 Value ($000) $818 Avg Close $624.99 Range $550.94 - $718.03

Q3 2024

Shares 357 Value ($000) $330 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 11,091 Value ($000) $9,113 Avg Close $712.18 Range $577.26 - $845.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,852	$2,585	$960.73	$831.77 - $1121.48
Q3 2025	892	$821	$808.07	$684.50 - $934.81
Q2 2025	1,143	$836	$633.58	$436.42 - $750.80
Q1 2025	1,411	$818	$624.99	$550.94 - $718.03
Q3 2024	357	$330	$853.35	$721.11 - $948.49
Q2 2024	11,091	$9,113	$712.18	$577.26 - $845.04