GROUP ONE TRADING, L.P. - AMAG PHARMACEUTICALS INC ownership

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of AMAG PHARMACEUTICALS INC
ValueSharesWeighting
Q3 2020$39,000
+387.5%
4,100
+310.0%
0.00%
Q2 2020$8,000
-50.0%
1,000
-61.5%
0.00%
Q1 2020$16,000
-94.7%
2,600
-89.6%
0.00%
-100.0%
Q4 2019$303,000
+114.9%
24,900
+104.1%
0.00%
+100.0%
Q3 2019$141,000
-20.3%
12,200
-31.1%
0.00%
-50.0%
Q2 2019$177,000
-21.0%
17,700
+1.7%
0.00%0.0%
Q1 2019$224,000
-25.8%
17,400
-12.6%
0.00%
-33.3%
Q4 2018$302,000
+93.6%
19,900
+148.8%
0.00%
+200.0%
Q2 2018$156,000
-71.6%
8,000
-70.7%
0.00%
-83.3%
Q1 2018$550,000
+45.5%
27,300
-4.2%
0.01%
+100.0%
Q4 2017$378,000
-68.9%
28,500
-56.7%
0.00%
-72.7%
Q3 2017$1,214,000
-10.9%
65,800
-11.2%
0.01%
-21.4%
Q2 2017$1,363,000
+13.0%
74,100
+38.5%
0.01%0.0%
Q1 2017$1,206,000
+40100.0%
53,500
+53400.0%
0.01%
Q4 2016$3,000
-94.1%
100
-95.2%
0.00%
-100.0%
Q3 2016$51,000
-37.0%
2,100
-38.2%
0.00%0.0%
Q2 2016$81,000
-62.8%
3,400
-63.4%
0.00%
-66.7%
Q1 2016$218,000
-51.2%
9,300
-37.2%
0.00%
-40.0%
Q4 2015$447,000
+13.7%
14,800
+49.5%
0.01%0.0%
Q3 2015$393,000
-35.4%
9,900
+12.5%
0.01%
-44.4%
Q2 2015$608,000
+553.8%
8,800
+417.6%
0.01%
+800.0%
Q1 2015$93,000
+615.4%
1,700
+466.7%
0.00%
Q4 2014$13,000
-59.4%
300
-70.0%
0.00%
Q3 2014$32,000
-71.4%
1,000
-81.5%
0.00%
-100.0%
Q2 2014$112,000
+314.8%
5,400
+285.7%
0.00%
Q1 2014$27,0001,4000.00%
Other shareholders

There were no reported owners of AMAG PHARMACEUTICALS INC in Q4 2020.

NameSharesValueWeighting ↓
View complete list of AMAG PHARMACEUTICALS INC shareholders