GROUP ONE TRADING, L.P. - BIO-REFERENCE LABS INC ownership

BIO-REFERENCE LABS INC's ticker is and the CUSIP is 09057G952. A total of 1 filers reported holding BIO-REFERENCE LABS INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of BIO-REFERENCE LABS INC
ValueSharesWeighting
Q2 2015$136,000
+325.0%
3,300
+266.7%
0.00%
+100.0%
Q1 2015$32,000
-86.0%
900
-87.3%
0.00%
-66.7%
Q4 2014$228,000
-59.1%
7,100
-64.3%
0.00%
-66.7%
Q3 2014$558,000
-68.7%
19,900
-66.2%
0.01%
-66.7%
Q2 2014$1,780,000
+207.4%
58,900
+181.8%
0.03%
+170.0%
Q1 2014$579,000
-57.6%
20,900
-60.9%
0.01%
-52.4%
Q4 2013$1,364,000
+87.9%
53,400
+119.8%
0.02%
+50.0%
Q3 2013$726,000
+45.2%
24,300
+39.7%
0.01%
+16.7%
Q2 2013$500,00017,4000.01%
Other shareholders
BIO-REFERENCE LABS INC shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 53,400$1,364,0000.02%
View complete list of BIO-REFERENCE LABS INC shareholders