Tamarack Advisers, LP - ATHENAHEALTH INC ownership

ATHENAHEALTH INC's ticker is ATHN and the CUSIP is 04685W103. A total of 235 filers reported holding ATHENAHEALTH INC in Q1 2017. The put-call ratio across all filers is 1.33 and the average weighting 0.2%.

Quarter-by-quarter ownership
Tamarack Advisers, LP ownership history of ATHENAHEALTH INC
ValueSharesWeighting
Q1 2017$3,381,000
-21.6%
30,000
-26.8%
2.11%
-30.8%
Q4 2016$4,312,00041,0003.05%
Other shareholders
ATHENAHEALTH INC shareholders Q1 2017
NameSharesValueWeighting ↓
Barton Investment Management 260,351$36,131,0009.91%
March Altus Capital Management LP 4,900$680,0007.04%
Gagnon Advisors, LLC 55,116$7,649,0006.75%
GAGNON SECURITIES LLC 99,565$13,818,0006.62%
Avalon Global Asset Management LLC 52,500$7,286,0005.52%
HHR Asset Management, LLC 631,786$87,680,0004.14%
CRITERION CAPITAL MANAGEMENT LLC 601,671$83,500,0003.42%
RIVERBRIDGE PARTNERS LLC 964,579$133,864,0002.79%
PURA VIDA INVESTMENTS, LLC 30,000$4,163,0001.89%
Eventide Asset Management 201,200$27,923,0001.56%
View complete list of ATHENAHEALTH INC shareholders