SABBY MANAGEMENT, LLC - AMAG PHARMACEUTICALS INC ownership

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AMAG PHARMACEUTICALS INC's ticker is and the CUSIP is 00163U956. 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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Filings
Quarter-by-quarter ownership
SABBY MANAGEMENT, LLC ownership history of AMAG PHARMACEUTICALS INC
ValueSharesWeighting
Q4 2017$2,414,000
-56.4%
1,822
-39.3%
0.22%
-39.2%
Q3 2017$5,542,000
+40.7%
3,004
+40.4%
0.36%
+40.3%
Q2 2017$3,938,000–2,140–0.26%–
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Other shareholders
AMAG PHARMACEUTICALS INC shareholders Q1 2018
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 33$1,0000.00%
GROUP ONE TRADING, L.P. 300$13,0000.00%
Citadel Advisors 1,800$77,0000.00%
View complete list of AMAG PHARMACEUTICALS INC shareholders