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

Institutional Holders (2016Q1)
Portfolio Summary: 3 Institutional holders with a total value of $9,311,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 59,200 8,216,000 88.24% Put
2 Timber Hill LLC 7,600 1,055,000 11.33% Put
3 SIMPLEX TRADING, LLC 84 40,000 0.43% Put

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.