ALPHA & OMEGA SEMICONDUCTOR

Ticker: AOSL CUSIP: G6331P104 Class: Common Stock

Robeco Schweiz AG's Holding History (CIK: 0001418427)

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

Q3 2025

Shares 785,264 Value ($000) $21,956 Avg Close $27.76 Range $20.67 - $31.56

Q2 2025

Shares 782,503 Value ($000) $20,079 Avg Close $21.74 Range $15.90 - $26.72

Q1 2025

Shares 781,752 Value ($000) $19,434 Avg Close $33.47 Range $23.65 - $46.65

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	785,264	$21,956	$27.76	$20.67 - $31.56
Q2 2025	782,503	$20,079	$21.74	$15.90 - $26.72
Q1 2025	781,752	$19,434	$33.47	$23.65 - $46.65