Granahan Investment Management - CEMPRA INC ownership

CEMPRA INC's ticker is CEMP and the CUSIP is 15130J109. A total of 140 filers reported holding CEMPRA INC in Q4 2015. The put-call ratio across all filers is 0.27 and the average weighting 0.3%.

Quarter-by-quarter ownership
Granahan Investment Management ownership history of CEMPRA INC
ValueSharesWeighting
Q3 2016$24,782,000
+48.0%
1,024,063
+0.8%
0.81%
+32.7%
Q2 2016$16,750,000
-6.3%
1,015,763
-0.4%
0.61%
-6.0%
Q1 2016$17,867,000
-12.3%
1,019,823
+55.9%
0.65%
-7.3%
Q4 2015$20,370,000
+55.4%
654,343
+39.0%
0.70%
+72.7%
Q3 2015$13,107,000470,8000.41%
Other shareholders
CEMPRA INC shareholders Q4 2015
NameSharesValueWeighting ↓
Abingworth LLP 383,935$6,723,0006.25%
Aisling Capital LLC 1,193,060$20,902,0004.18%
AlpInvest Partners B.V. 67,763$1,187,0002.26%
ACUTA CAPITAL PARTNERS, LLC 210,000$3,679,0002.06%
Palo Alto Investors LP 1,215,833$21,301,0001.65%
BB BIOTECH AG 2,041,900$35,774,0001.42%
Knoll Capital Management, LLC 180,800$3,168,0001.29%
KOPP INVESTMENT ADVISORS LLC 102,411$1,794,0000.98%
GENERAL AMERICAN INVESTORS CO INC 514,409$9,012,0000.93%
HARVEY CAPITAL MANAGEMENT INC 103,950$1,821,0000.88%
View complete list of CEMPRA INC shareholders