SIMPLEX TRADING, LLC - CEMPRA INC ownership

CEMPRA INC's ticker is CEMP and the CUSIP is 15130J109. A total of 135 filers reported holding CEMPRA INC in Q1 2016. The put-call ratio across all filers is 0.90 and the average weighting 0.2%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of CEMPRA INC
ValueSharesWeighting
Q2 2017$44,0009,664
+5390.9%
0.00%
Q1 2017$0
-100.0%
176
-98.8%
0.00%
-100.0%
Q1 2016$254,000
+60.8%
14,521
+155.3%
0.02%
+66.7%
Q3 2015$158,000
-82.5%
5,688
-78.4%
0.01%
-84.2%
Q2 2015$902,000
+277.4%
26,273
+276.7%
0.08%
+171.4%
Q1 2015$239,000
-0.8%
6,975
-32.1%
0.03%
-3.4%
Q4 2014$241,00010,2710.03%
Other shareholders
CEMPRA INC shareholders Q1 2016
NameSharesValueWeighting ↓
Aisling Capital LLC 3,293,060$77,420,00011.74%
Devon Park Associates, LLC 390,144$9,172,0006.99%
Opaleye Management Inc. 504,800$11,868,0006.00%
Abingworth LLP 714,285$16,779,0004.77%
ACUTA CAPITAL PARTNERS, LLC 164,800$3,874,0002.62%
WILLIAM HARRIS INVESTORS INC 307,698$7,233,0001.86%
Healthcare Value Capital, LLC 40,000$940,0001.72%
Grandeur Peak Global Advisors, LLC 222,850$5,239,0001.18%
Formidable Asset Management, LLC 50,900$1,197,0000.82%
WASATCH ADVISORS LP 3,333,214$78,364,0000.81%
View complete list of CEMPRA INC shareholders