PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q1 2020

Shares 346 Value ($000) $15 Avg Close $50.35 Range $30.79 - $59.89

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	346	$15	$50.35	$30.79 - $59.89