FORTALEZA ASSET MANAGEMENT INC/ - AEGERION PHARMACEUTICALS INC ownership

AEGERION PHARMACEUTICALS INC's ticker is AEGR and the CUSIP is 00767E102. A total of 133 filers reported holding AEGERION PHARMACEUTICALS INC in Q1 2014. The put-call ratio across all filers is 1.04 and the average weighting 0.2%.

Quarter-by-quarter ownership
FORTALEZA ASSET MANAGEMENT INC/ ownership history of AEGERION PHARMACEUTICALS INC
ValueSharesWeighting
Q1 2014$429,000
+57.7%
9,290
+141.9%
0.22%
+58.7%
Q4 2013$272,000
-20.2%
3,840
-3.5%
0.14%
-22.5%
Q3 2013$341,000
+35.9%
3,979
+0.5%
0.18%
+22.8%
Q2 2013$251,0003,9600.14%
Other shareholders
AEGERION PHARMACEUTICALS INC shareholders Q1 2014
NameSharesValueWeighting ↓
Sarissa Capital Management LP 1,637,455$42,852,0009.04%
Broadfin Capital, LLC 2,502,578$65,492,0005.10%
SCOPIA CAPITAL MANAGEMENT LP 5,349,840$140,005,0003.03%
HighVista Strategies LLC 265,110$6,938,0001.11%
Perceptive Advisors 381,100$9,973,0000.78%
Healthcare Value Capital, LLC 25,000$654,0000.71%
ADVENT INTERNATIONAL, L.P. 347,001$9,081,0000.70%
Birchview Capital, LP 46,000$1,204,0000.63%
NORTH TIDE CAPITAL, LLC 300,000$7,851,0000.59%
WESTFIELD CAPITAL MANAGEMENT CO LP 2,323,633$60,809,0000.35%
View complete list of AEGERION PHARMACEUTICALS INC shareholders