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ATHENAHEALTH INC
ATHENAHEALTH INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 3 Institutional holders with a total value of $13,323,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 75,000 8,954,000 67.21% Call
2 Timber Hill LLC 36,500 4,358,000 32.71% Call
3 SIMPLEX TRADING, LLC 53 11,000 0.08% 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.