Rock Springs Capital Management LP - ATHENAHEALTH INC ownership

ATHENAHEALTH INC's ticker is ATHN and the CUSIP is 04685W103. A total of 225 filers reported holding ATHENAHEALTH INC in Q3 2016. The put-call ratio across all filers is 0.98 and the average weighting 0.2%.

Quarter-by-quarter ownership
Rock Springs Capital Management LP ownership history of ATHENAHEALTH INC
ValueSharesWeighting
Q1 2017$7,071,000
+7.2%
62,7500.0%0.41%
-7.7%
Q4 2016$6,599,000
+14.4%
62,750
+37.2%
0.44%
+22.1%
Q3 2016$5,770,000
-8.6%
45,7500.0%0.36%
-22.5%
Q2 2016$6,314,000
-0.6%
45,7500.0%0.47%
-12.2%
Q1 2016$6,349,000
-0.1%
45,750
+15.8%
0.53%
+10.4%
Q4 2015$6,358,000
+25.5%
39,500
+3.9%
0.48%
+17.3%
Q3 2015$5,067,000
+16.4%
38,0000.0%0.41%
+29.2%
Q2 2015$4,354,000
-51.2%
38,000
-43.9%
0.32%
-77.0%
Q3 2014$8,922,000
+14.5%
67,750
+8.8%
1.38%
-1.2%
Q2 2014$7,789,000
+149.2%
62,250
+219.2%
1.40%
+93.8%
Q1 2014$3,125,000
+19.1%
19,5000.0%0.72%
-23.1%
Q4 2013$2,623,00019,5000.94%
Other shareholders
ATHENAHEALTH INC shareholders Q3 2016
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