Spark Investment Management LLC - HEARTWARE INTL INC ownership

HEARTWARE INTL INC's ticker is HTWR and the CUSIP is 422368100. A total of 124 filers reported holding HEARTWARE INTL INC in Q3 2015. The put-call ratio across all filers is 7.42 and the average weighting 0.1%.

Quarter-by-quarter ownership
Spark Investment Management LLC ownership history of HEARTWARE INTL INC
ValueSharesWeighting
Q2 2016$1,536,000
-24.4%
26,600
-58.9%
0.14%
-29.8%
Q1 2016$2,032,000
-6.2%
64,700
+50.5%
0.20%
-25.7%
Q4 2015$2,167,000
+81.0%
43,000
+87.8%
0.28%
+76.9%
Q3 2015$1,197,00022,9000.16%
Other shareholders
HEARTWARE INTL INC shareholders Q3 2015
NameSharesValueWeighting ↓
PURA VIDA INVESTMENTS, LLC 50,000$3,672,0001.35%
Rock Springs Capital Management LP 120,000$8,812,0001.03%
Rhenman & Partners Asset Management AB 38,000$2,790,0000.81%
SECTORAL ASSET MANAGEMENT INC 168,525$12,375,0000.56%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 164,800$12,101,0000.44%
Cortina Asset Management, LLC 121,722$8,938,0000.40%
ADAGE CAPITAL PARTNERS GP, L.L.C. 2,006,236$147,317,0000.36%
NJ State Employees Deferred Compensation Plan 23,000$1,689,0000.33%
Broadfin Capital, LLC 100,000$7,344,0000.32%
FORTALEZA ASSET MANAGEMENT INC/ 7,530$553,0000.25%
View complete list of HEARTWARE INTL INC shareholders