TOKIO MARINE ASSET MANAGEMENT CO LTD - ATHENAHEALTH INC ownership

ATHENAHEALTH INC's ticker is ATHN and the CUSIP is 04685W103. A total of 235 filers reported holding ATHENAHEALTH INC in Q2 2017. The put-call ratio across all filers is 0.38 and the average weighting 0.2%.

Quarter-by-quarter ownership
TOKIO MARINE ASSET MANAGEMENT CO LTD ownership history of ATHENAHEALTH INC
ValueSharesWeighting
Q4 2018$5,976,000
+1047.0%
45,300
+1061.5%
1.21%
+1227.5%
Q3 2018$521,000
-31.8%
3,900
-18.8%
0.09%
-35.0%
Q2 2018$764,000
-31.5%
4,800
-38.5%
0.14%
-28.9%
Q1 2018$1,116,000
-38.8%
7,800
-43.1%
0.20%
-28.4%
Q4 2017$1,823,000
+64.7%
13,700
+53.9%
0.28%
+64.7%
Q3 2017$1,107,000
-4.0%
8,900
+8.5%
0.17%
+0.6%
Q2 2017$1,153,0008,2000.17%
Other shareholders
ATHENAHEALTH INC shareholders Q2 2017
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