Granahan Investment Management - AMAG PHARMACEUTICALS INC ownership

AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 173 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2015. The put-call ratio across all filers is 2.12 and the average weighting 0.2%.

Quarter-by-quarter ownership
Granahan Investment Management ownership history of AMAG PHARMACEUTICALS INC
ValueSharesWeighting
Q4 2015$3,481,000
-52.8%
115,300
-37.8%
0.12%
-47.4%
Q3 2015$7,370,000185,5000.23%
Other shareholders
AMAG PHARMACEUTICALS INC shareholders Q4 2015
NameSharesValueWeighting ↓
ARMISTICE CAPITAL, LLC 4,060,000$46,893,0003.11%
Camber Capital Management LP 4,390,000$50,705,0002.67%
Palo Alto Investors LP 3,078,874$35,561,0002.37%
Permanens Capital L.P. 407,811$4,710,0001.32%
Fondren Management LP 35,000$404,0000.34%
IRONWOOD INVESTMENT MANAGEMENT LLC 33,524$387,0000.29%
BOOTHBAY FUND MANAGEMENT, LLC 240,000$2,772,0000.25%
Broadfin Capital, LLC 100,000$1,155,0000.21%
FOX RUN MANAGEMENT, L.L.C. 13,687$158,0000.14%
Spark Investment Management LLC 92,200$1,064,0000.14%
View complete list of AMAG PHARMACEUTICALS INC shareholders