PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

Twin Tree Management, LP's Holding History (CIK: 0001535588)

Note: Option positions (PUT/CALL) are excluded.

Q3 2019

Shares 172 Value ($000) $6 Avg Close $43.52 Range $33.05 - $48.81

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	172	$6	$43.52	$33.05 - $48.81