Ownership Summary as reported in the most recent 13F filings
www.nasdaq.com/symbol/aezs/institutional-holdings
22 Institutional Holders
398,153 Total Shares Held
MORGAN STANLEY 03/31/2018 140,467 55,676 65.66 261
JPMORGAN CHASE & CO 03/31/2018 80,900 5,200 6.87 150
DEUTSCHE BANK AG\ 12/31/2017 40,187 8,658 27.46 75
RENAISSANCE TECHNOLOGIES LLC 03/31/2018 34,378 1,300 3.93 64
BRANDES INVESTMENT PARTNERS, LP 12/31/2017 34,000 34,000 New 63
SUSQUEHANNA INTERNATIONAL GROUP, LLP 12/31/2017 19,277 (7,698) (28.54) 36
NINE CHAPTERS CAPITAL MANAGEMENT LLC 09/30/2017 18,500 18,500 New 34
TWO SIGMA SECURITIES, LLC 12/31/2017 16,322 (10,293) (38.67) 30
CITADEL ADVISORS LLC 03/31/2018 10,153 10,153 New 19