Spark Investment Management LLC - CASTLIGHT HEALTH INC ownership

CASTLIGHT HEALTH INC's ticker is CSLT and the CUSIP is 14862Q100. A total of 91 filers reported holding CASTLIGHT HEALTH INC in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.3%.

Quarter-by-quarter ownership
Spark Investment Management LLC ownership history of CASTLIGHT HEALTH INC
ValueSharesWeighting
Q4 2018$103,000
+30.4%
47,700
+123.9%
0.01%
+75.0%
Q4 2017$79,000
-76.9%
21,300
-75.3%
0.00%
-87.5%
Q2 2016$342,000
-36.3%
86,400
-46.4%
0.03%
-40.7%
Q1 2016$537,000
+27.9%
161,300
+349.3%
0.05%
-23.9%
Q4 2014$420,00035,9000.07%
Other shareholders
CASTLIGHT HEALTH INC shareholders Q4 2017
NameSharesValueWeighting ↓
OAK MANAGEMENT CORP 3,864,770$5,449,00015.09%
Gagnon Advisors, LLC 1,909,825$2,693,0001.67%
Raging Capital Management, LLC 5,191,217$7,320,0001.18%
GAGNON SECURITIES LLC 2,945,470$4,153,0000.98%
Penbrook Management LLC 261,130$368,0000.40%
HARBOURVEST PARTNERS LLC 349,070$492,0000.20%
Concourse Capital Management, LLC 142,107$200,0000.18%
WELLCOME TRUST LTD (THE) as trustee of the WELLCOME TRUST 6,568,646$9,262,0000.15%
ALLEN OPERATIONS LLC 157,372$222,0000.11%
VIEX Capital Advisors, LLC 120,901$170,0000.10%
View complete list of CASTLIGHT HEALTH INC shareholders