ELLINGTON MANAGEMENT GROUP LLC - ATHENAHEALTH INC ownership

ATHENAHEALTH INC's ticker is ATHN and the CUSIP is 04685W103. A total of 216 filers reported holding ATHENAHEALTH INC in Q2 2015. The put-call ratio across all filers is 1.32 and the average weighting 0.3%.

Quarter-by-quarter ownership
ELLINGTON MANAGEMENT GROUP LLC ownership history of ATHENAHEALTH INC
ValueSharesWeighting
Q1 2018$415,000
-10.4%
2,900
-34.1%
0.03%
-57.7%
Q4 2016$463,000
-30.4%
4,400
-24.2%
0.07%
-56.4%
Q2 2015$665,0005,8020.16%
Other shareholders
ATHENAHEALTH INC shareholders Q2 2015
NameSharesValueWeighting ↓
Barton Investment Management 209,014$28,846,00010.50%
GAGNON SECURITIES LLC 98,540$13,600,0006.34%
Sio Capital Management, LLC 83,100$11,469,0005.86%
Gagnon Advisors, LLC 47,318$6,530,0005.52%
HHR Asset Management, LLC 656,452$90,597,0004.61%
Avalon Global Asset Management LLC 52,500$7,246,0004.18%
RIVERBRIDGE PARTNERS LLC 980,305$135,292,0002.80%
PURA VIDA INVESTMENTS, LLC 30,000$4,140,0001.76%
Eventide Asset Management 201,200$27,768,0001.70%
Sands Capital Management 3,358,482$463,504,0001.43%
View complete list of ATHENAHEALTH INC shareholders