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

Institutional Holders (2015Q4)
Portfolio Summary: 3 Institutional holders with a total value of $3,464,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 271,400 2,928,000 84.53% Put
2 CITADEL ADVISORS LLC 48,300 521,000 15.04% Put
3 SIMPLEX TRADING, LLC 321 15,000 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.