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

BIO-REFERENCE LABS INC's ticker is and the CUSIP is 09057G902. 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$182,000
-49.9%
4,400
-57.3%
0.00%
-50.0%
Q1 2015$363,000
+50.6%
10,300
+37.3%
0.01%
+50.0%
Q4 2014$241,000
-29.1%
7,500
-38.0%
0.00%
-20.0%
Q3 2014$340,000
+220.8%
12,100
+245.7%
0.01%
+150.0%
Q2 2014$106,000
-95.4%
3,500
-95.8%
0.00%
-94.9%
Q1 2014$2,300,000
+2.2%
83,100
-5.7%
0.04%
+14.7%
Q4 2013$2,250,000
+204.9%
88,100
+256.7%
0.03%
+142.9%
Q3 2013$738,000
-59.1%
24,700
-60.7%
0.01%
-68.9%
Q2 2013$1,806,00062,8000.04%
Other shareholders
BIO-REFERENCE LABS INC shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 88,100$2,250,0000.03%
View complete list of BIO-REFERENCE LABS INC shareholders