Polar Asset Management Partners Inc. - ATHENAHEALTH INC ownership

ATHENAHEALTH INC's ticker is ATHN and the CUSIP is 04685W103. A total of 266 filers reported holding ATHENAHEALTH INC in Q4 2018. The put-call ratio across all filers is 0.66 and the average weighting 0.6%.

Quarter-by-quarter ownership
Polar Asset Management Partners Inc. ownership history of ATHENAHEALTH INC
ValueSharesWeighting
Q4 2018$1,649,00012,5000.03%
Other shareholders
ATHENAHEALTH INC shareholders Q4 2018
NameSharesValueWeighting ↓
ARK Investment Management 233,411$24,548,0008.93%
Barton Investment Management 216,835$22,804,0007.58%
Avalon Global Asset Management LLC 61,080$6,424,0005.27%
HHR Asset Management, LLC 803,155$84,468,0004.58%
GAGNON SECURITIES LLC 101,503$10,675,0004.58%
Gagnon Advisors, LLC 49,684$5,225,0004.32%
PURA VIDA INVESTMENTS, LLC 95,000$9,991,0003.66%
Tamarack Advisers, LP 41,000$4,312,0003.05%
RIVERBRIDGE PARTNERS LLC 1,036,171$108,974,0002.28%
361 CAPITAL LLC 67,219$7,069,0001.68%
View complete list of ATHENAHEALTH INC shareholders