BlackRock Group LTD - ATHENAHEALTH INC ownership

ATHENAHEALTH INC's ticker is ATHN and the CUSIP is 04685W103. A total of 249 filers reported holding ATHENAHEALTH INC in Q4 2016. The put-call ratio across all filers is 1.14 and the average weighting 0.3%.

Quarter-by-quarter ownership
BlackRock Group LTD ownership history of ATHENAHEALTH INC
ValueSharesWeighting
Q4 2016$3,291,000
-6.5%
31,302
+12.2%
0.00%0.0%
Q3 2016$3,520,000
-11.8%
27,904
-3.5%
0.00%0.0%
Q2 2016$3,991,000
-0.4%
28,917
+0.1%
0.00%0.0%
Q1 2016$4,008,000
+6.2%
28,887
+23.2%
0.00%0.0%
Q4 2015$3,774,000
+15.3%
23,440
-4.5%
0.00%0.0%
Q3 2015$3,274,000
+24.3%
24,549
+6.8%
0.00%
+100.0%
Q2 2015$2,635,000
-40.1%
22,991
-37.6%
0.00%
-50.0%
Q1 2015$4,396,000
-33.5%
36,818
-18.9%
0.00%
-50.0%
Q4 2014$6,615,000
+123.9%
45,394
+102.5%
0.00%
+100.0%
Q3 2014$2,954,000
-29.9%
22,420
-33.4%
0.00%0.0%
Q2 2014$4,214,000
+9.4%
33,678
+40.1%
0.00%0.0%
Q1 2014$3,852,000
+42.2%
24,044
+19.4%
0.00%0.0%
Q4 2013$2,708,000
+31.9%
20,138
+6.6%
0.00%
+100.0%
Q3 2013$2,053,000
+33.7%
18,899
+4.2%
0.00%0.0%
Q2 2013$1,536,00018,1320.00%
Other shareholders
ATHENAHEALTH INC shareholders Q4 2016
NameSharesValueWeighting ↓
Barton Investment Management 222,149$31,774,0005.86%
ARK Investment Management 490,404$70,142,0003.48%
Nikko Asset Management Americas, Inc. 561,940$80,374,0002.86%
Avalon Global Asset Management LLC 50,780$7,263,0002.51%
RIVERBRIDGE PARTNERS LLC 941,719$134,694,0002.46%
PURA VIDA INVESTMENTS, LLC 25,000$3,576,0002.11%
GAGNON SECURITIES LLC 37,816$5,409,0001.93%
BUSH ODONNELL INVESTMENT ADVISORS INC 9,256$1,324,0001.86%
Millrace Asset Group, Inc. 24,000$3,432,0001.66%
Gagnon Advisors, LLC 12,915$1,847,0001.37%
View complete list of ATHENAHEALTH INC shareholders