VICOR CORP

Ticker: VICR CUSIP: 925815102 Class: Common Stock

NOMURA HOLDINGS INC's Holding History (CIK: 0001163653)

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

Q2 2015

Shares 12,550 Value ($000) $147 Avg Close $14.67 Range $11.07 - $17.72

Q2 2013

Shares 11,642 Value ($000) $78 Avg Close $5.37 Range $4.79 - $6.95

Q1 2013

Shares 13,323 Value ($000) $66 Avg Close $5.26 Range $4.72 - $5.85

Q4 2012

Shares 14,214 Value ($000) $77 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	12,550	$147	$14.67	$11.07 - $17.72
Q2 2013	11,642	$78	$5.37	$4.79 - $6.95
Q1 2013	13,323	$66	$5.26	$4.72 - $5.85
Q4 2012	14,214	$77	—	—