VICOR CORP

Ticker: VICR CUSIP: 925815102 Class: Common Stock

WELCH & FORBES LLC's Holding History (CIK: 0000105495)

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

Q3 2015
Shares 11,120 Value ($000) $113 Avg Close $10.38 Range $8.88 - $12.42
Q2 2015
Shares 11,120 Value ($000) $136 Avg Close $14.67 Range $11.07 - $17.72
Q1 2015
Shares 11,120 Value ($000) $169 Avg Close $12.92 Range $10.70 - $15.96
Q4 2014
Shares 11,120 Value ($000) $135 Avg Close $11.85 Range $8.43 - $13.96
Q3 2014
Shares 11,120 Value ($000) $105 Avg Close $8.32 Range $7.20 - $10.20
Q2 2014
Shares 11,120 Value ($000) $93 Avg Close $8.11 Range $6.76 - $11.25
Q1 2014
Shares 11,120 Value ($000) $113 Avg Close $11.21 Range $9.63 - $13.81
Q4 2013
Shares 11,120 Value ($000) $149 Avg Close $9.95 Range $7.42 - $14.11
Q3 2013
Shares 11,120 Value ($000) $91 Avg Close $7.98 Range $6.45 - $9.04
Q2 2013
Shares 11,120 Value ($000) $76 Avg Close $5.37 Range $4.79 - $6.95