Dark
Light
System
Security
ATHENAHEALTH INC
ATHENAHEALTH INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 3 Institutional holders with a total value of $9,849,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 55,800 6,394,000 64.92% Call
2 Timber Hill LLC 29,800 3,414,000 34.66% Call
3 SIMPLEX TRADING, LLC 108 41,000 0.42% Call

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.