PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

DAVENPORT & Co LLC's Holding History (CIK: 0000887777)

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

Q3 2016

Shares 82,200 Value ($000) $1,151,622 Avg Close $8.13 Range $5.64 - $14.35

Q2 2016

Shares 82,200 Value ($000) $577,044 Avg Close $7.33 Range $5.78 - $10.15

Q1 2016

Shares 79,600 Value ($000) $512,624 Avg Close $17.36 Range $5.27 - $31.89

Q4 2015

Shares 78,500 Value ($000) $2,543,400 Avg Close $29.43 Range $22.67 - $35.76

Q3 2015

Shares 96,200 Value ($000) $2,568,540 Avg Close $42.77 Range $24.63 - $62.15

Q2 2015

Shares 65,453 Value ($000) $3,150,252 Avg Close $58.34 Range $46.17 - $78.72

Q1 2015

Shares 64,953 Value ($000) $3,952,390 Avg Close $61.01 Range $46.91 - $77.87

Q4 2014

Shares 46,100 Value ($000) $2,386,597 Avg Close $44.02 Range $33.02 - $57.50

Q3 2014

Shares 46,100 Value ($000) $2,028,861 Avg Close $31.28 Range $22.70 - $47.20

Q2 2014

Shares 15,000 Value ($000) $392,100 Avg Close $21.40 Range $14.51 - $28.75

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	82,200	$1,151,622	$8.13	$5.64 - $14.35
Q2 2016	82,200	$577,044	$7.33	$5.78 - $10.15
Q1 2016	79,600	$512,624	$17.36	$5.27 - $31.89
Q4 2015	78,500	$2,543,400	$29.43	$22.67 - $35.76
Q3 2015	96,200	$2,568,540	$42.77	$24.63 - $62.15
Q2 2015	65,453	$3,150,252	$58.34	$46.17 - $78.72
Q1 2015	64,953	$3,952,390	$61.01	$46.91 - $77.87
Q4 2014	46,100	$2,386,597	$44.02	$33.02 - $57.50
Q3 2014	46,100	$2,028,861	$31.28	$22.70 - $47.20
Q2 2014	15,000	$392,100	$21.40	$14.51 - $28.75