PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

Artisan Partners Limited Partnership's Holding History (CIK: 0001466153)

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

Q2 2020

Shares 491,813 Value ($000) $24,955 Avg Close $49.14 Range $40.03 - $55.00

Q4 2015

Shares 340,943 Value ($000) $11,047 Avg Close $29.43 Range $22.67 - $35.76

Q3 2015

Shares 351,958 Value ($000) $9,397 Avg Close $42.77 Range $24.63 - $62.15

Q2 2015

Shares 345,348 Value ($000) $16,622 Avg Close $58.34 Range $46.17 - $78.72

Q1 2015

Shares 183,024 Value ($000) $11,137 Avg Close $61.01 Range $46.91 - $77.87

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	491,813	$24,955	$49.14	$40.03 - $55.00
Q4 2015	340,943	$11,047	$29.43	$22.67 - $35.76
Q3 2015	351,958	$9,397	$42.77	$24.63 - $62.15
Q2 2015	345,348	$16,622	$58.34	$46.17 - $78.72
Q1 2015	183,024	$11,137	$61.01	$46.91 - $77.87