VICOR CORP

Ticker: VICR CUSIP: 925815102 Class: Common Stock

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2020

Shares 3,896 Value ($000) $359 Avg Close $83.99 Range $73.71 - $96.64

Q3 2020

Shares 3,603 Value ($000) $280 Avg Close $79.56 Range $70.90 - $90.88

Q2 2019

Shares 1,741 Value ($000) $54 Avg Close $32.14 Range $27.82 - $38.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	3,896	$359	$83.99	$73.71 - $96.64
Q3 2020	3,603	$280	$79.56	$70.90 - $90.88
Q2 2019	1,741	$54	$32.14	$27.82 - $38.98