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

Institutional Holders (2015Q4)
Portfolio Summary: 4 Institutional holders with a total value of $7,772,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 140,400 4,549,000 58.53% Put
2 SABBY MANAGEMENT, LLC 669 2,168,000 27.90% Put
3 CITADEL ADVISORS LLC 28,800 933,000 12.00% Put
4 SIMPLEX TRADING, LLC 391 122,000 1.57% 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.