Spark Investment Management LLC - ROKA BIOSCIENCE INC ownership

ROKA BIOSCIENCE INC's ticker is ROKA and the CUSIP is 775431109. A total of 34 filers reported holding ROKA BIOSCIENCE INC in Q2 2015. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
Spark Investment Management LLC ownership history of ROKA BIOSCIENCE INC
ValueSharesWeighting
Q3 2015$19,000
-72.1%
10,000
-53.7%
0.00%
-77.8%
Q1 2015$68,000
-9.3%
21,600
+24.9%
0.01%
-30.8%
Q4 2014$75,000
-65.6%
17,300
-20.3%
0.01%
-60.6%
Q3 2014$218,00021,7000.03%
Other shareholders
ROKA BIOSCIENCE INC shareholders Q2 2015
NameSharesValueWeighting ↓
DRILL CRAIG A 283,352$2,848,0004.06%
Aisling Capital LLC 1,122,417$11,280,0002.19%
NEA Management Company, LLC 3,220,433$32,365,0001.64%
Rock Springs Capital Management LP 250,000$2,513,0000.39%
Orbimed Advisors 3,220,429$32,365,0000.34%
TPG Group Holdings (SBS) Advisors, Inc. 2,989,282$30,042,0000.20%
Nicholas Investment Partners, LP 308,028$3,096,0000.19%
Spark Investment Management LLC 21,700$218,0000.03%
Platte River Capital LLC 11,400$115,0000.03%
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1,535,337$15,430,0000.01%
View complete list of ROKA BIOSCIENCE INC shareholders