PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

Boston Partners's Holding History (CIK: 0001386060)

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

Q4 2025

Shares 487,977 Value ($000) $37,066 Avg Close $72.67 Range $60.80 - $87.50

Q3 2025

Shares 361,664 Value ($000) $22,197 Avg Close $52.09 Range $43.17 - $63.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	487,977	$37,066	$72.67	$60.80 - $87.50
Q3 2025	361,664	$22,197	$52.09	$43.17 - $63.19