PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q4 2025

Shares 44,593 Value ($000) $3,387 Avg Close $72.67 Range $60.80 - $87.50

Q3 2025

Shares 46,070 Value ($000) $2,827 Avg Close $52.09 Range $43.17 - $63.19

Q2 2025

Shares 43,041 Value ($000) $2,102 Avg Close $47.47 Range $35.95 - $52.98

Q1 2025

Shares 42,509 Value ($000) $2,166 Avg Close $49.90 Range $41.66 - $58.38

Q4 2024

Shares 43,475 Value ($000) $1,962 Avg Close $42.80 Range $34.57 - $54.16

Q3 2024

Shares 44,771 Value ($000) $1,661 Avg Close $33.48 Range $29.02 - $38.62

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	44,593	$3,387	$72.67	$60.80 - $87.50
Q3 2025	46,070	$2,827	$52.09	$43.17 - $63.19
Q2 2025	43,041	$2,102	$47.47	$35.95 - $52.98
Q1 2025	42,509	$2,166	$49.90	$41.66 - $58.38
Q4 2024	43,475	$1,962	$42.80	$34.57 - $54.16
Q3 2024	44,771	$1,661	$33.48	$29.02 - $38.62