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

BIO-REFERENCE LABS INC's ticker is BRLI and the CUSIP is 09057G602. A total of 174 filers reported holding BIO-REFERENCE LABS INC in Q4 2013. The put-call ratio across all filers is 0.19 and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of BIO-REFERENCE LABS INC
ValueSharesWeighting
Q4 2014$63,000
-69.9%
1,959
-73.7%
0.00%
-66.7%
Q3 2014$209,000
-37.0%
7,462
-32.2%
0.00%
-40.0%
Q2 2014$332,000
-63.2%
10,999
-68.9%
0.01%
-64.3%
Q4 2013$903,00035,3500.01%
Other shareholders
BIO-REFERENCE LABS INC shareholders Q4 2013
NameSharesValueWeighting ↓
TANG CAPITAL MANAGEMENT LLC 900,000$37,125,00011.26%
RK Asset Management, LLC 338,283$13,954,00011.00%
TANAKA CAPITAL MANAGEMENT INC 46,830$1,932,0004.79%
AMERICAN CAPITAL MANAGEMENT INC 356,120$14,690,0001.40%
Murphy Michael R 103,271$4,260,0001.34%
Smith, Graham & Co., Investment Advisors, LP 219,167$9,041,0001.22%
Andromeda Capital LLC 20,741$856,0001.05%
HUSSMAN STRATEGIC ADVISORS, INC. 203,000$8,374,0000.97%
ALPINE ASSOCIATES MANAGEMENT INC. 559,630$23,084,0000.75%
GLAZER CAPITAL, LLC 147,154$6,070,0000.67%
View complete list of BIO-REFERENCE LABS INC shareholders