MARSHALL WACE, LLP - CEMPRA INC ownership

CEMPRA INC's ticker is CEMP and the CUSIP is 15130J109. A total of 144 filers reported holding CEMPRA INC in Q1 2015. The put-call ratio across all filers is 0.89 and the average weighting 0.4%.

Quarter-by-quarter ownership
MARSHALL WACE, LLP ownership history of CEMPRA INC
ValueSharesWeighting
Q1 2015$2,882,00083,9920.04%
Other shareholders
CEMPRA INC shareholders Q1 2015
NameSharesValueWeighting ↓
Aisling Capital LLC 2,193,060$68,270,00011.77%
Abingworth LLP 383,935$11,948,0007.21%
ACUTA CAPITAL PARTNERS, LLC 250,000$7,783,0003.72%
Opaleye Management Inc. 200,000$6,226,0002.60%
Knoll Capital Management, LLC 180,800$5,628,0002.09%
Palo Alto Investors LP 1,175,733$36,601,0002.04%
BB BIOTECH AG 1,991,900$62,008,0001.75%
AlpInvest Partners B.V. 31,400$977,0001.62%
GENERAL AMERICAN INVESTORS CO INC 494,409$15,391,0001.41%
HARVEY CAPITAL MANAGEMENT INC 112,250$3,494,0001.38%
View complete list of CEMPRA INC shareholders