Dark
Light
System
Security
PTC THERAPEUTICS INC
PTC THERAPEUTICS INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 3 Institutional holders with a total value of $1,070,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 99,100 638,000 59.63% Put
2 SIMPLEX TRADING, LLC 122 277,000 25.89% Put
3 CITADEL ADVISORS LLC 24,100 155,000 14.49% 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.