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

AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 154 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2014. The put-call ratio across all filers is 0.21 and the average weighting 0.3%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of AMAG PHARMACEUTICALS INC
ValueSharesWeighting
Q4 2018$247,000
+116.7%
16,288
+88.6%
0.00%
+100.0%
Q4 2017$114,000
-40.3%
8,634
-16.4%
0.00%
-50.0%
Q3 2017$191,000
-59.9%
10,326
-60.0%
0.00%
-60.0%
Q2 2017$476,000
-46.8%
25,845
-34.8%
0.01%
-50.0%
Q1 2017$894,000
+1296.9%
39,657
+2050.6%
0.01%
+900.0%
Q4 2016$64,000
+77.8%
1,844
+22.1%
0.00%
Q2 2016$36,000
-80.3%
1,510
-80.7%
0.00%
-100.0%
Q1 2016$183,000
+25.3%
7,810
+61.7%
0.00%
+50.0%
Q4 2015$146,000
+170.4%
4,829
+254.6%
0.00%
+100.0%
Q3 2015$54,000
+107.7%
1,362
+182.0%
0.00%
Q1 2015$26,000
-45.8%
483
-68.0%
0.00%
-100.0%
Q3 2014$48,000
+108.7%
1,510
+36.0%
0.00%
Q2 2014$23,000
+130.0%
1,110
+111.0%
0.00%
Q1 2014$10,0005260.00%
Other shareholders
AMAG PHARMACEUTICALS INC shareholders Q4 2014
NameSharesValueWeighting ↓
Palo Alto Investors LP 3,344,620$116,393,0006.64%
Consonance Capital Management LP 1,026,902$35,736,0003.92%
FALCON POINT CAPITAL, LLC 801,944$27,908,0003.74%
Credit Capital Investments LLC 72,813$2,534,0003.24%
Crosspoint Capital Strategies, LLC 99,274$3,455,0003.07%
Camber Capital Management LP 611,390$21,276,0001.11%
IRONWOOD INVESTMENT MANAGEMENT LLC 40,901$1,423,0001.04%
BOGLE INVESTMENT MANAGEMENT L P /DE/ 344,103$11,974,0000.83%
STELLIAM INVESTMENT MANAGEMENT, LP 572,500$19,923,0000.66%
AlphaOne Investment Services, LLC 66,105$2,301,0000.64%
View complete list of AMAG PHARMACEUTICALS INC shareholders