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PTC THERAPEUTICS INC
PTC THERAPEUTICS INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 4 Institutional holders with a total value of $6,162,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 58,800 2,830,000 45.93% Put
2 CITADEL ADVISORS LLC 52,200 2,512,000 40.77% Put
3 SABBY MANAGEMENT, LLC 119 573,000 9.30% Put
4 SIMPLEX TRADING, LLC 167 247,000 4.01% 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.