SIMPLEX TRADING, LLC - GEMPHIRE THERAPEUTICS INC ownership

GEMPHIRE THERAPEUTICS INC's ticker is GEMP and the CUSIP is 36870A108. A total of 31 filers reported holding GEMPHIRE THERAPEUTICS INC in Q3 2018. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of GEMPHIRE THERAPEUTICS INC
ValueSharesWeighting
Q2 2019$0179
-73.6%
0.00%
Q1 2019$0679
-22.8%
0.00%
Q4 2018$0
-100.0%
879
-22.0%
0.00%
Q3 2018$2,0001,1270.00%
Other shareholders
GEMPHIRE THERAPEUTICS INC shareholders Q3 2018
NameSharesValueWeighting ↓
Exchange Capital Management, Inc. 758,623$7,966,0002.88%
Cormorant Asset Management, LP 952,798$10,004,0001.45%
DAFNA Capital Management LLC 52,797$554,0000.47%
HIGHLAND CAPITAL MANAGEMENT LP 316,789$3,326,0000.17%
Cambridge Investment Research Advisors, Inc. 150,564$1,581,0000.03%
NORRIS PERNE & FRENCH LLP/MI 10,463$110,0000.02%
ADAGE CAPITAL PARTNERS GP, L.L.C. 634,246$6,660,0000.02%
SEGALL BRYANT & HAMILL, LLC 11,000$116,0000.00%
Acrospire Investment Management LLC 400$4,0000.00%
Advisor Group, Inc. 5,112$54,0000.00%
View complete list of GEMPHIRE THERAPEUTICS INC shareholders