WELLINGTON MANAGEMENT GROUP LLP - AMAG PHARMACEUTICALS INC ownership

AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 94 filers reported holding AMAG PHARMACEUTICALS INC in Q2 2013. The put-call ratio across all filers is 0.20 and the average weighting 0.1%.

Quarter-by-quarter ownership
WELLINGTON MANAGEMENT GROUP LLP ownership history of AMAG PHARMACEUTICALS INC
ValueSharesWeighting
Q3 2018$794,000
-40.3%
39,654
-41.9%
0.00%
Q2 2018$1,331,000
+389.3%
68,250
+405.5%
0.00%
Q1 2018$272,000
-71.6%
13,501
-74.1%
0.00%
Q2 2017$957,000
-73.8%
52,037
-67.8%
0.00%
-100.0%
Q1 2017$3,648,000
+116.1%
161,739
+233.5%
0.00%
Q4 2016$1,688,000
-84.0%
48,499
-74.8%
0.00%
-100.0%
Q1 2015$10,529,000
-0.7%
192,626
-22.6%
0.00%0.0%
Q4 2014$10,606,000
+1.4%
248,861
-24.1%
0.00%0.0%
Q3 2014$10,464,000
+54.9%
327,940
+0.6%
0.00%
+50.0%
Q2 2014$6,756,000
+19.7%
326,060
+11.8%
0.00%0.0%
Q1 2014$5,645,000
-32.8%
291,760
-15.7%
0.00%0.0%
Q4 2013$8,401,000
+23.7%
346,152
+9.5%
0.00%0.0%
Q3 2013$6,793,000
-13.8%
316,230
-10.7%
0.00%
-33.3%
Q2 2013$7,881,000354,2300.00%
Other shareholders
AMAG PHARMACEUTICALS INC shareholders Q2 2013
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