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ACHILLION PHARMACEUTICALS IN
ACHILLION PHARMACEUTICALS IN. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 3 Institutional holders with a total value of $3,753,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 314,900 3,105,000 82.73% Put
2 CITADEL ADVISORS LLC 63,000 621,000 16.55% Put
3 SIMPLEX TRADING, LLC 139 27,000 0.72% 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.