GROUP ONE TRADING, L.P. - CAMBREX CORP ownership

CAMBREX CORP's ticker is and the CUSIP is 132011907. A total of 3 filers reported holding CAMBREX CORP in Q4 2018. 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 CAMBREX CORP
ValueSharesWeighting
Q3 2019$845,000
+165.7%
14,200
+108.8%
0.01%
+133.3%
Q2 2019$318,000
-16.5%
6,800
-30.6%
0.00%
-25.0%
Q1 2019$381,000
+12.1%
9,800
+8.9%
0.00%
+33.3%
Q4 2018$340,000
-45.9%
9,000
-2.2%
0.00%
-40.0%
Q3 2018$629,000
-38.6%
9,200
-53.1%
0.01%
-44.4%
Q2 2018$1,025,000
+5294.7%
19,600
+4800.0%
0.01%
Q4 2017$19,000
-97.2%
400
-96.5%
0.00%
-100.0%
Q2 2017$675,000
-24.3%
11,300
-30.2%
0.01%
-30.0%
Q1 2017$892,000
+33.3%
16,200
+30.6%
0.01%
+66.7%
Q4 2016$669,000
+92.8%
12,400
+59.0%
0.01%
+50.0%
Q3 2016$347,000
+116.9%
7,800
+151.6%
0.00%
+100.0%
Q2 2016$160,000
+3900.0%
3,100
+3000.0%
0.00%
Q1 2016$4,000
-98.9%
100
-98.6%
0.00%
-100.0%
Q4 2015$348,000
+23.4%
7,400
+4.2%
0.00%0.0%
Q3 2015$282,000
-70.7%
7,100
-67.6%
0.00%
-69.2%
Q2 2015$962,000
+122.7%
21,900
+100.9%
0.01%
+85.7%
Q1 2015$432,000
+36.7%
10,900
-25.3%
0.01%
+40.0%
Q4 2014$316,000
+2772.7%
14,600
+2333.3%
0.01%
Q3 2014$11,000
-99.6%
600
-99.6%
0.00%
-100.0%
Q2 2014$2,797,000
+4807.0%
135,100
+4403.3%
0.04%
+4200.0%
Q1 2014$57,000
+307.1%
3,000
+275.0%
0.00%
Q4 2013$14,0008000.00%
Other shareholders
CAMBREX CORP shareholders Q4 2018
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 9,000$340,0000.00%
SIMPLEX TRADING, LLC 213$804,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of CAMBREX CORP shareholders