Renaissance Technologies - MFRI INC ownership

MFRI INC's ticker is MFRI and the CUSIP is 552721102. A total of 30 filers reported holding MFRI INC in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
Renaissance Technologies ownership history of MFRI INC
ValueSharesWeighting
Q4 2016$1,000,000
+19.0%
123,500
+12.6%
0.00%
+100.0%
Q3 2016$840,000
+9.9%
109,700
+7.1%
0.00%0.0%
Q2 2016$764,000
+6.4%
102,398
-0.2%
0.00%0.0%
Q1 2016$718,000
+24.4%
102,600
+16.3%
0.00%0.0%
Q4 2015$577,000
+43.5%
88,200
+12.8%
0.00%0.0%
Q3 2015$402,000
-14.5%
78,200
+0.7%
0.00%0.0%
Q2 2015$470,000
+23.7%
77,648
+27.7%
0.00%0.0%
Q1 2015$380,000
+5.6%
60,800
+18.3%
0.00%0.0%
Q4 2014$360,000
+8.4%
51,397
+47.3%
0.00%0.0%
Q3 2014$332,000
-7.0%
34,900
+11.5%
0.00%0.0%
Q2 2014$357,000
-34.1%
31,300
-21.3%
0.00%0.0%
Q1 2014$542,000
-25.7%
39,790
-21.7%
0.00%
-50.0%
Q4 2013$729,000
+100.3%
50,800
+59.2%
0.00%
+100.0%
Q3 2013$364,000
+63.2%
31,904
+62.8%
0.00%0.0%
Q2 2013$223,00019,6000.00%
Other shareholders
MFRI INC shareholders Q4 2015
NameSharesValueWeighting ↓
PERRITT CAPITAL MANAGEMENT INC 373,376$2,442,0000.53%
FIRST WILSHIRE SECURITIES MANAGEMENT INC 252,363$1,650,0000.46%
MORGAN DEMPSEY CAPITAL MANAGEMENT LLC 162,734$1,064,0000.41%
WEDBUSH SECURITIES INC 341,649$2,234,0000.40%
HEARTLAND ADVISORS INC 250,000$1,635,0000.07%
Private Vista, LLC 12,658$79,0000.04%
Ancora Advisors LLC 54,500$356,0000.02%
RBF Capital, LLC 11,186$73,0000.01%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 71,100$465,0000.01%
DIMENSIONAL FUND ADVISORS LP 566,759$3,707,0000.00%
View complete list of MFRI INC shareholders