PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

THOMPSON DAVIS & CO., INC.'s Holding History (CIK: 0001017284)

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

Q4 2015

Shares 34 Value ($000) $1 Avg Close $29.43 Range $22.67 - $35.76

Q3 2015

Shares 34 Value ($000) $1 Avg Close $42.77 Range $24.63 - $62.15

Q2 2015

Shares 34 Value ($000) $2 Avg Close $58.34 Range $46.17 - $78.72

Q1 2015

Shares 34 Value ($000) $2 Avg Close $61.01 Range $46.91 - $77.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	34	$1	$29.43	$22.67 - $35.76
Q3 2015	34	$1	$42.77	$24.63 - $62.15
Q2 2015	34	$2	$58.34	$46.17 - $78.72
Q1 2015	34	$2	$61.01	$46.91 - $77.87