FIRST MANHATTAN CO. LLC. - ATHENAHEALTH INC ownership

ATHENAHEALTH INC's ticker is ATHN and the CUSIP is 04685W103. A total of 259 filers reported holding ATHENAHEALTH INC in Q1 2018. The put-call ratio across all filers is 0.11 and the average weighting 0.2%.

Quarter-by-quarter ownership
FIRST MANHATTAN CO. LLC. ownership history of ATHENAHEALTH INC
ValueSharesWeighting
Q4 2017$30,000
+275.0%
227
+233.8%
0.00%
Q2 2016$8,000680.00%
Other shareholders
ATHENAHEALTH INC shareholders Q1 2018
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