SABBY MANAGEMENT, LLC - AMAG PHARMACEUTICALS INC ownership

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AMAG PHARMACEUTICALS INC's ticker is and the CUSIP is 00163U906. A total of 2 filers reported holding AMAG PHARMACEUTICALS INC in Q1 2018. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
SABBY MANAGEMENT, LLC ownership history of AMAG PHARMACEUTICALS INC
ValueSharesWeighting
Q4 2017$733,000
+56.3%
553
+117.7%
0.07%
+116.1%
Q3 2017$469,000
+143.0%
254
+141.9%
0.03%
+138.5%
Q2 2017$193,000
-21.5%
105
-3.7%
0.01%0.0%
Q1 2017$246,000–109–0.01%–
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Other shareholders
AMAG PHARMACEUTICALS INC shareholders Q1 2018
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 4,000$61,0000.00%
SIMPLEX TRADING, LLC 7$10,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of AMAG PHARMACEUTICALS INC shareholders