WELCH & FORBES LLC - VICOR CORP ownership

VICOR CORP's ticker is VICR and the CUSIP is 925815102. A total of 88 filers reported holding VICOR CORP in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
WELCH & FORBES LLC ownership history of VICOR CORP
ValueSharesWeighting
Q3 2015$113,000
-16.9%
11,1200.0%0.00%0.0%
Q2 2015$136,000
-19.5%
11,1200.0%0.00%
-20.0%
Q1 2015$169,000
+25.2%
11,1200.0%0.01%
+25.0%
Q4 2014$135,000
+28.6%
11,1200.0%0.00%
+33.3%
Q3 2014$105,000
+12.9%
11,1200.0%0.00%0.0%
Q2 2014$93,000
-17.7%
11,1200.0%0.00%
-25.0%
Q1 2014$113,000
-24.2%
11,1200.0%0.00%
-20.0%
Q4 2013$149,000
+63.7%
11,1200.0%0.01%
+66.7%
Q3 2013$91,000
+19.7%
11,1200.0%0.00%0.0%
Q2 2013$76,00011,1200.00%
Other shareholders
VICOR CORP shareholders Q4 2015
NameSharesValueWeighting ↓
Trellus Management Company, LLC 129,945$4,031,0007.68%
APIS CAPITAL ADVISORS, LLC 120,000$3,722,0004.49%
ASHFORD CAPITAL MANAGEMENT INC 586,758$18,201,0002.66%
S Squared Technology, LLC 99,700$3,093,0002.39%
First Washington CORP 147,180$4,566,0002.32%
Manatuck Hill Partners, LLC 101,898$3,161,0001.50%
OBERWEIS ASSET MANAGEMENT INC/ 212,670$6,597,0001.32%
NEEDHAM INVESTMENT MANAGEMENT LLC 110,675$3,433,0001.17%
IRONWOOD INVESTMENT MANAGEMENT LLC 40,632$1,260,0001.02%
Capital Impact Advisors, LLC 49,297$1,850,0000.82%
View complete list of VICOR CORP shareholders