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

Institutional Holders (2015Q3)
Portfolio Summary: 3 Institutional holders with a total value of $15,673,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 88,900 11,855,000 75.64% Call
2 Timber Hill LLC 28,100 3,747,000 23.91% Call
3 SIMPLEX TRADING, LLC 111 71,000 0.45% 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.